debug logs

Reviewed-on: #1

.gitignore

@@ -0,0 +1 @@
+go.work.sum

agent/dockerfile

@@ -0,0 +1,24 @@
+FROM golang:1.26.1 as builder
+
+WORKDIR /app
+
+COPY proto/ proto/
+COPY agent/ agent/
+
+WORKDIR /app/agent
+RUN --mount=type=cache,target=/go/pkg/mod \
+  --mount=type=cache,target=/root/.cache/go-build \
+  go mod download && \
+  CGO_ENABLED=0 go build -ldflags "-s -w" -o /agent .
+
+FROM debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  systemd \
+  && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY --from=builder /agent .
+
+CMD ["./agent"]

agent/go.mod

@@ -0,0 +1,36 @@
+module gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent
+
+go 1.26.1
+
+require (
+	gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto v0.0.0-20260403214837-94be9799f47d
+	github.com/hpcloud/tail v1.0.0
+	github.com/samber/lo v1.53.0
+	golang.org/x/sync v0.20.0
+	google.golang.org/grpc v1.80.0
+	gopkg.in/yaml.v3 v3.0.1
+	modernc.org/sqlite v1.34.5
+)
+
+require (
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	go.opentelemetry.io/otel/metric v1.41.0 // indirect
+	go.opentelemetry.io/otel/trace v1.41.0 // indirect
+	golang.org/x/net v0.52.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
+	golang.org/x/text v0.35.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
+	gopkg.in/fsnotify.v1 v1.4.7 // indirect
+	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
+	modernc.org/libc v1.55.3 // indirect
+	modernc.org/mathutil v1.6.0 // indirect
+	modernc.org/memory v1.8.0 // indirect
+)
+
+replace gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto => ../proto

agent/go.sum

@@ -0,0 +1,93 @@
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
+github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
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+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
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+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
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+github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
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+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
+go.opentelemetry.io/otel v1.41.0 h1:YlEwVsGAlCvczDILpUXpIpPSL/VPugt7zHThEMLce1c=
+go.opentelemetry.io/otel v1.41.0/go.mod h1:Yt4UwgEKeT05QbLwbyHXEwhnjxNO6D8L5PQP51/46dE=
+go.opentelemetry.io/otel/metric v1.41.0 h1:rFnDcs4gRzBcsO9tS8LCpgR0dxg4aaxWlJxCno7JlTQ=
+go.opentelemetry.io/otel/metric v1.41.0/go.mod h1:xPvCwd9pU0VN8tPZYzDZV/BMj9CM9vs00GuBjeKhJps=
+go.opentelemetry.io/otel/sdk v1.39.0 h1:nMLYcjVsvdui1B/4FRkwjzoRVsMK8uL/cj0OyhKzt18=
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+go.opentelemetry.io/otel/trace v1.41.0 h1:Vbk2co6bhj8L59ZJ6/xFTskY+tGAbOnCtQGVVa9TIN0=
+go.opentelemetry.io/otel/trace v1.41.0/go.mod h1:U1NU4ULCoxeDKc09yCWdWe+3QoyweJcISEVa1RBzOis=
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+modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=

agent/internal/buffer/buffer.go

@@ -0,0 +1,161 @@
+package buffer
+
+import (
+	"database/sql"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	_ "modernc.org/sqlite"
+)
+
+// BufferedLog represents a log entry stored for later delivery
+type BufferedLog struct {
+	ID        int64
+	Service   string
+	Message   string
+	CreatedAt time.Time
+}
+
+// LogBuffer provides SQLite-backed log buffering
+type LogBuffer struct {
+	db *sql.DB
+}
+
+// NewLogBuffer creates a new log buffer with the given database path
+func NewLogBuffer(dbPath string) (*LogBuffer, error) {
+	db, err := sql.Open("sqlite", dbPath+"?_journal_mode=WAL&_busy_timeout=5000")
+	if err != nil {
+		return nil, fmt.Errorf("failed to open database: %w", err)
+	}
+
+	// Create table if not exists
+	_, err = db.Exec(`
+		CREATE TABLE IF NOT EXISTS buffered_logs (
+			id INTEGER PRIMARY KEY AUTOINCREMENT,
+			service TEXT NOT NULL,
+			message TEXT NOT NULL,
+			created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+		)
+	`)
+	if err != nil {
+		_ = db.Close()
+		return nil, fmt.Errorf("failed to create table: %w", err)
+	}
+
+	// Create index for efficient ordering
+	_, _ = db.Exec(`CREATE INDEX IF NOT EXISTS idx_created_at ON buffered_logs(created_at ASC)`)
+
+	return &LogBuffer{db: db}, nil
+}
+
+// Close closes the database connection
+func (b *LogBuffer) Close() error {
+	return b.db.Close()
+}
+
+// Store stores a log entry in the buffer
+func (b *LogBuffer) Store(service, message string) error {
+	_, err := b.db.Exec(
+		"INSERT INTO buffered_logs (service, message) VALUES (?, ?)",
+		service, message,
+	)
+	return err
+}
+
+// StoreBatch stores multiple log entries in a single transaction
+func (b *LogBuffer) StoreBatch(entries []BufferedLog) error {
+	tx, err := b.db.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	stmt, err := tx.Prepare("INSERT INTO buffered_logs (service, message) VALUES (?, ?)")
+	if err != nil {
+		return err
+	}
+	defer stmt.Close()
+
+	for _, entry := range entries {
+		if _, err := stmt.Exec(entry.Service, entry.Message); err != nil {
+			return err
+		}
+	}
+
+	return tx.Commit()
+}
+
+// GetPending retrieves pending logs in order of arrival, limited to batchSize
+func (b *LogBuffer) GetPending(batchSize int) ([]BufferedLog, error) {
+	rows, err := b.db.Query(
+		"SELECT id, service, message, created_at FROM buffered_logs ORDER BY created_at ASC LIMIT ?",
+		batchSize,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var logs []BufferedLog
+	for rows.Next() {
+		var log BufferedLog
+		var createdAt string
+		if err := rows.Scan(&log.ID, &log.Service, &log.Message, &createdAt); err != nil {
+			return nil, err
+		}
+		log.CreatedAt, _ = time.Parse("2006-01-02 15:04:05", createdAt)
+		logs = append(logs, log)
+	}
+
+	return logs, rows.Err()
+}
+
+// Delete removes a log entry from the buffer after successful delivery
+func (b *LogBuffer) Delete(id int64) error {
+	_, err := b.db.Exec("DELETE FROM buffered_logs WHERE id = ?", id)
+	return err
+}
+
+// DeleteBatch removes multiple log entries after successful delivery
+func (b *LogBuffer) DeleteBatch(ids []int64) error {
+	if len(ids) == 0 {
+		return nil
+	}
+
+	tx, err := b.db.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	for _, id := range ids {
+		if _, err := tx.Exec("DELETE FROM buffered_logs WHERE id = ?", id); err != nil {
+			return err
+		}
+	}
+
+	return tx.Commit()
+}
+
+// Count returns the number of buffered logs
+func (b *LogBuffer) Count() (int, error) {
+	var count int
+	err := b.db.QueryRow("SELECT COUNT(*) FROM buffered_logs").Scan(&count)
+	return count, err
+}
+
+// Clear removes all buffered logs
+func (b *LogBuffer) Clear() error {
+	_, err := b.db.Exec("DELETE FROM buffered_logs")
+	return err
+}
+
+// FlushToJSON exports buffered logs to JSON format for debugging
+func (b *LogBuffer) FlushToJSON() ([]byte, error) {
+	logs, err := b.GetPending(1000)
+	if err != nil {
+		return nil, err
+	}
+	return json.MarshalIndent(logs, "", "  ")
+}

agent/internal/client/commandexe.go

@@ -0,0 +1,81 @@
+package client
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"log"
+	"sync"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/commander"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto/proto"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/metadata"
+)
+
+type CommanderClient struct {
+	cmder     *commander.CommandExecutor
+	wg        *sync.WaitGroup
+	id, label string
+}
+
+func New(
+	cmder *commander.CommandExecutor,
+	id, label string,
+) CommanderClient {
+	return CommanderClient{cmder, new(sync.WaitGroup), id, label}
+}
+
+func (self *CommanderClient) HandleCommands(ctx context.Context, srvAddr string, tc credentials.TransportCredentials) error {
+	cli, err := grpc.NewClient(srvAddr, grpc.WithTransportCredentials(tc))
+	if err != nil {
+		return fmt.Errorf("Failed to connect to gRPC: %w", err)
+	}
+	ccli := proto.NewCommanderClient(cli)
+	bidi, err := ccli.Stream(metadata.NewOutgoingContext(ctx, metadata.MD{"agentid": []string{self.id}, "label": []string{self.label}}))
+	if err != nil {
+		return err
+	}
+	wg := new(errgroup.Group)
+	wg.Go(self.recv(bidi))
+	// wg.Go(self.send(bidi))
+	err = wg.Wait()
+	self.wg.Wait()
+	return err
+}
+
+func (self *CommanderClient) recv(bidi grpc.BidiStreamingClient[proto.FinishedCommand, proto.Command]) func() error {
+	return func() error {
+		for {
+			msg, err := bidi.Recv()
+			if err != nil {
+				if errors.Is(err, io.EOF) {
+					return nil
+				}
+				return err
+			}
+			self.wg.Go(func() {
+				func() error {
+					fc, err := self.cmder.Execute(msg)
+					if err != nil {
+						return err
+					}
+					return bidi.Send(fc)
+				}()
+				if err != nil {
+					log.Println(err)
+				}
+			})
+
+		}
+	}
+}
+
+// func (self *God) send(bidi grpc.BidiStreamingClient[proto.FinishedCommand, proto.Command]) func() error {
+// 	return func() error {
+// 		return nil
+// 	}
+// }

agent/internal/commander/impl.go

@@ -0,0 +1,65 @@
+package commander
+
+import (
+	"bytes"
+	"errors"
+	"io"
+	"os/exec"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto/proto"
+	"golang.org/x/sync/errgroup"
+)
+
+type CommandExecutor struct {
+}
+
+func (*CommandExecutor) Execute(command *proto.Command) (*proto.FinishedCommand, error) {
+	cmd := exec.Command(command.Command[0], command.Command[1:]...)
+	var (
+		stdin io.WriteCloser
+		err   error
+	)
+	if command.Stdin != nil {
+		stdin, err = cmd.StdinPipe()
+		if err != nil {
+			return nil, err
+		}
+	}
+	stdout, err1 := cmd.StdoutPipe()
+	stderr, err2 := cmd.StderrPipe()
+	if err := errors.Join(err1, err2); err != nil {
+		return nil, err
+	}
+	if err := cmd.Start(); err != nil {
+		return nil, err
+	}
+	if command.Stdin != nil {
+		io.WriteString(stdin, *command.Stdin)
+		if err := stdin.Close(); err != nil {
+			return nil, err
+		}
+	}
+	eg := new(errgroup.Group)
+	stdoutbuf := new(bytes.Buffer)
+	stderrbuf := new(bytes.Buffer)
+	eg.Go(func() error {
+		_, err := io.Copy(stdoutbuf, stdout)
+		return err
+	})
+	eg.Go(func() error {
+		_, err := io.Copy(stderrbuf, stderr)
+		return err
+	})
+	if err := cmd.Wait(); err != nil {
+		return nil, err
+	}
+	if err := eg.Wait(); err != nil {
+		return nil, err
+	}
+	return &proto.FinishedCommand{
+		Id:     command.Id,
+		Status: int32(cmd.ProcessState.ExitCode()),
+		Stdout: stdoutbuf.String(),
+		Stderr: stderrbuf.String(),
+	}, nil
+}

agent/internal/config/config.go

@@ -0,0 +1,57 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+type ServiceConfig struct {
+	Name string  `yaml:"name"`
+	Type string  `yaml:"type"`
+	Path *string `yaml:"path"`
+}
+
+type AgentConfig struct {
+	BackendURL        string          `yaml:"backend_url"`
+	GRPCURL           string          `yaml:"grpc_url"`
+	RegistrationToken string          `yaml:"registration_token"`
+	Label             string          `yaml:"label"`
+	CertDir           string          `yaml:"cert_dir"`
+	Services          []ServiceConfig `yaml:"services"`
+}
+
+func Load(path string) (*AgentConfig, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, err
+	}
+
+	var cfg AgentConfig
+	if err := yaml.Unmarshal(data, &cfg); err != nil {
+		return nil, err
+	}
+
+	if cfg.CertDir == "" {
+		cfg.CertDir = "/etc/hellreign-agent/certs"
+	}
+
+	return &cfg, nil
+}
+
+func LoadFromString(data string) (*AgentConfig, error) {
+	var cfg AgentConfig
+	if err := yaml.Unmarshal([]byte(data), &cfg); err != nil {
+		return nil, err
+	}
+
+	return &cfg, nil
+}
+
+func validateConfigPath(path string) error {
+	if _, err := os.Stat(path); err != nil {
+		return fmt.Errorf("config file not found: %w", err)
+	}
+	return nil
+}

agent/internal/logger/logger.go

@@ -0,0 +1,27 @@
+package logger
+
+import (
+	"log/slog"
+	"os"
+)
+
+type Logger struct {
+	*slog.Logger
+}
+
+func New(debug bool) *Logger {
+	var level slog.Level
+	if debug {
+		level = slog.LevelDebug
+	} else {
+		level = slog.LevelInfo
+	}
+
+	handler := slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
+		Level: level,
+	})
+
+	return &Logger{
+		Logger: slog.New(handler),
+	}
+}

agent/internal/logsource/file/impl.go

@@ -0,0 +1,45 @@
+package file
+
+import (
+	"errors"
+	"os"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/logsource"
+	"github.com/hpcloud/tail"
+)
+
+var _ logsource.LogSource = new(FileLogSource)
+
+type FileLogSource struct {
+	*tail.Tail
+}
+
+func New(filepath string) (fls *FileLogSource, err error) {
+	if _, err := os.Stat(filepath); os.IsNotExist(err) {
+		if err := os.WriteFile(filepath, []byte{}, 0600); err != nil {
+			return nil, err
+		}
+	}
+	t, err := tail.TailFile(filepath, tail.Config{
+		Follow: true,
+		Location: &tail.SeekInfo{
+			Offset: 100,
+			Whence: 2,
+		},
+	})
+	if err != nil {
+		return
+	}
+	return &FileLogSource{t}, nil
+}
+func (f *FileLogSource) ReadLine() (string, error) {
+	select {
+	case <-f.Dead():
+		return "", errors.Join(logsource.ErrDead, f.Err())
+	case line := <-f.Lines:
+		return line.Text, line.Err
+	}
+}
+func (f *FileLogSource) Close() error {
+	return f.Stop()
+}

agent/internal/logsource/interface.go

@@ -0,0 +1,10 @@
+package logsource
+
+import "errors"
+
+type LogSource interface {
+	ReadLine() (string, error)
+	Close() error
+}
+
+var ErrDead = errors.New("shouldn't continue to read that")

agent/internal/logsource/journald/impl.go

@@ -0,0 +1,55 @@
+package journald
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os/exec"
+	"syscall"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/config"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/logsource"
+)
+
+var _ logsource.LogSource = new(JournaldLogSource)
+
+type JournaldLogSource struct {
+	cmd           *exec.Cmd
+	stdout        io.ReadCloser
+	stdoutscanner *bufio.Scanner
+}
+
+// ReadLine implements logsource.LogSource.
+func (j *JournaldLogSource) ReadLine() (string, error) {
+	if j.stdoutscanner.Scan() {
+		return j.stdoutscanner.Text(), nil
+	} else {
+		if j.stdoutscanner.Err() == nil {
+			return "", fmt.Errorf("%w: %s", logsource.ErrDead, io.EOF)
+		}
+		return "", j.stdoutscanner.Err()
+	}
+}
+func (j *JournaldLogSource) Close() error {
+	_ = j.cmd.Process.Signal(syscall.SIGTERM)
+	return j.cmd.Wait()
+}
+
+func New(cfg config.ServiceConfig, logdir string) (*JournaldLogSource, error) {
+	args := make([]string, 0)
+	if cfg.Path != nil {
+		args = append(args, "-u", *cfg.Path)
+	}
+	args = append(args, "-f", "-n", "0", "-o", "short", "--no-pager", "--directory", logdir)
+	cmd := exec.Command("journalctl", args...) //nolint:gosec
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		return nil, err
+	}
+	err = cmd.Start()
+	if err != nil {
+		return nil, err
+	}
+	stdoutscanner := bufio.NewScanner(stdout)
+	return &JournaldLogSource{cmd, stdout, stdoutscanner}, nil
+}

agent/internal/mtls/credentials.go

@@ -0,0 +1,49 @@
+package mtls
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"fmt"
+	"os"
+
+	"google.golang.org/grpc/credentials"
+)
+
+// LoadMTLSCredentials loads client certificate and CA certificate for mTLS.
+func LoadMTLSCredentials(caCertPEM, clientCertPEM, clientKeyPEM []byte) (credentials.TransportCredentials, error) {
+	cert, err := tls.X509KeyPair(clientCertPEM, clientKeyPEM)
+	if err != nil {
+		return nil, fmt.Errorf("load client key pair: %w", err)
+	}
+
+	caCertPool := x509.NewCertPool()
+	if !caCertPool.AppendCertsFromPEM(caCertPEM) {
+		return nil, fmt.Errorf("failed to append CA certificate")
+	}
+
+	tlsConfig := &tls.Config{
+		Certificates: []tls.Certificate{cert},
+		RootCAs:      caCertPool,
+		MinVersion:   tls.VersionTLS12,
+	}
+
+	return credentials.NewTLS(tlsConfig), nil
+}
+
+// LoadMTLSCredentialsFromFiles loads mTLS credentials from file paths.
+func LoadMTLSCredentialsFromFiles(caCertPath, clientCertPath, clientKeyPath string) (credentials.TransportCredentials, error) {
+	caCert, err := os.ReadFile(caCertPath)
+	if err != nil {
+		return nil, fmt.Errorf("read CA cert: %w", err)
+	}
+	clientCert, err := os.ReadFile(clientCertPath)
+	if err != nil {
+		return nil, fmt.Errorf("read client cert: %w", err)
+	}
+	clientKey, err := os.ReadFile(clientKeyPath)
+	if err != nil {
+		return nil, fmt.Errorf("read client key: %w", err)
+	}
+
+	return LoadMTLSCredentials(caCert, clientCert, clientKey)
+}

agent/internal/registration/registration.go

@@ -0,0 +1,169 @@
+package registration
+
+import (
+	"bytes"
+	"crypto/ecdsa"
+	"crypto/elliptic"
+	"crypto/rand"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/json"
+	"encoding/pem"
+	"fmt"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+type Certs struct {
+	CACertPEM     []byte
+	ClientCertPEM []byte
+	ClientKeyPEM  []byte
+}
+
+type RegisterRequest struct {
+	CSR   string `json:"csr"`
+	Token string `json:"token"`
+}
+
+type RegisterResponse struct {
+	CACert     string `json:"ca_cert"`
+	ClientCert string `json:"client_cert"`
+}
+
+type TokenResponse struct {
+	Token string `json:"token"`
+}
+
+type ErrorResponse struct {
+	Error string `json:"error"`
+}
+
+// GenerateKeyAndCSR generates a new ECDSA private key and CSR for the agent.
+func GenerateKeyAndCSR(label string) (*ecdsa.PrivateKey, []byte, error) {
+	key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
+	if err != nil {
+		return nil, nil, fmt.Errorf("generate key: %w", err)
+	}
+
+	template := x509.CertificateRequest{
+		Subject: pkix.Name{
+			CommonName:   label,
+			Organization: []string{"HellreigN Agent"},
+		},
+		SignatureAlgorithm: x509.ECDSAWithSHA256,
+	}
+
+	csrDER, err := x509.CreateCertificateRequest(rand.Reader, &template, key)
+	if err != nil {
+		return nil, nil, fmt.Errorf("create csr: %w", err)
+	}
+
+	csrPEM := pem.EncodeToMemory(&pem.Block{
+		Type:  "CERTIFICATE REQUEST",
+		Bytes: csrDER,
+	})
+
+	return key, csrPEM, nil
+}
+
+// Register sends CSR to backend and receives signed certificates.
+func Register(backendURL, token string, csrPEM []byte) (*Certs, error) {
+	reqBody := RegisterRequest{CSR: string(csrPEM), Token: token}
+	body, err := json.Marshal(reqBody)
+	if err != nil {
+		return nil, err
+	}
+
+	url := fmt.Sprintf("%s/api/v1/agents/register", backendURL)
+	resp, err := http.Post(url, "application/json", bytes.NewReader(body))
+	if err != nil {
+		return nil, fmt.Errorf("register request: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		var errResp ErrorResponse
+		json.NewDecoder(resp.Body).Decode(&errResp)
+		return nil, fmt.Errorf("registration failed (status %d): %s", resp.StatusCode, errResp.Error)
+	}
+
+	var regResp RegisterResponse
+	if err := json.NewDecoder(resp.Body).Decode(&regResp); err != nil {
+		return nil, fmt.Errorf("decode response: %w", err)
+	}
+
+	return &Certs{
+		CACertPEM:     []byte(regResp.CACert),
+		ClientCertPEM: []byte(regResp.ClientCert),
+	}, nil
+}
+
+// SaveCerts saves CA cert, client cert, and client key to the given directory.
+func SaveCerts(certDir string, certs *Certs, key *ecdsa.PrivateKey) error {
+	if err := os.MkdirAll(certDir, 0700); err != nil {
+		return fmt.Errorf("create cert dir: %w", err)
+	}
+
+	if err := os.WriteFile(filepath.Join(certDir, "ca.crt"), certs.CACertPEM, 0644); err != nil {
+		return err
+	}
+	if err := os.WriteFile(filepath.Join(certDir, "client.crt"), certs.ClientCertPEM, 0644); err != nil {
+		return err
+	}
+
+	keyDER, err := x509.MarshalECPrivateKey(key)
+	if err != nil {
+		return err
+	}
+	keyPEM := pem.EncodeToMemory(&pem.Block{
+		Type:  "EC PRIVATE KEY",
+		Bytes: keyDER,
+	})
+	if err := os.WriteFile(filepath.Join(certDir, "client.key"), keyPEM, 0600); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// LoadCerts loads existing certificates and key from disk.
+func LoadCerts(certDir string) (*Certs, *ecdsa.PrivateKey, error) {
+	caCert, err := os.ReadFile(filepath.Join(certDir, "ca.crt"))
+	if err != nil {
+		return nil, nil, err
+	}
+	clientCert, err := os.ReadFile(filepath.Join(certDir, "client.crt"))
+	if err != nil {
+		return nil, nil, err
+	}
+	clientKeyPEM, err := os.ReadFile(filepath.Join(certDir, "client.key"))
+	if err != nil {
+		return nil, nil, err
+	}
+
+	block, _ := pem.Decode(clientKeyPEM)
+	if block == nil {
+		return nil, nil, fmt.Errorf("decode client key")
+	}
+	key, err := x509.ParseECPrivateKey(block.Bytes)
+	if err != nil {
+		return nil, nil, fmt.Errorf("parse client key: %w", err)
+	}
+
+	return &Certs{
+		CACertPEM:     caCert,
+		ClientCertPEM: clientCert,
+	}, key, nil
+}
+
+// CertsExist checks if all certificate files exist in the directory.
+func CertsExist(certDir string) bool {
+	files := []string{"ca.crt", "client.crt", "client.key"}
+	for _, f := range files {
+		if _, err := os.Stat(filepath.Join(certDir, f)); err != nil {
+			return false
+		}
+	}
+	return true
+}

agent/main.go

@@ -0,0 +1,303 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+	"time"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/buffer"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/client"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/commander"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/config"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/logger"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/logsource"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/logsource/file"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/logsource/journald"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/mtls"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/agent/internal/registration"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto/proto"
+	"github.com/samber/lo"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/metadata"
+)
+
+func main() {
+	cfgPath := os.Getenv("CONFIG_FILE")
+	if cfgPath == "" {
+		cfgPath = "/etc/hellreign-agent/config.yml"
+	}
+
+	cfg, err := config.Load(cfgPath)
+	if err != nil {
+		log.Fatalf("Failed to load config: %v", err)
+	}
+
+	lgr := logger.New(os.Getenv("IS_DEBUG") == "1")
+	lgr.Debug("Config parsed", "cfg", cfg)
+
+	// Check if certificates already exist (agent was previously registered)
+	if registration.CertsExist(cfg.CertDir) {
+		lgr.Info("Certificates found, skipping registration")
+	} else {
+		if cfg.RegistrationToken == "" {
+			lgr.Error("No registration token provided")
+			os.Exit(1)
+		}
+
+		// Generate key and CSR
+		k, csrPEM, err := registration.GenerateKeyAndCSR(cfg.Label)
+		if err != nil {
+			lgr.Error("Failed to generate key and CSR", "err", err)
+			os.Exit(1)
+		}
+		lgr.Info("Generated ECDSA key pair and CSR")
+
+		// Register with backend
+		certs, err := registration.Register(cfg.BackendURL, cfg.RegistrationToken, csrPEM)
+		if err != nil {
+			lgr.Error("Failed to register", "err", err)
+			os.Exit(1)
+		}
+		lgr.Info("Successfully registered, received certificates")
+
+		// Save certificates
+		if err := registration.SaveCerts(cfg.CertDir, certs, k); err != nil {
+			lgr.Error("Failed to save certificates", "err", err)
+			os.Exit(1)
+		}
+		lgr.Info("Certificates saved", "cert_dir", cfg.CertDir)
+	}
+
+	creds, err := mtls.LoadMTLSCredentialsFromFiles(
+		cfg.CertDir+"/ca.crt",
+		cfg.CertDir+"/client.crt",
+		cfg.CertDir+"/client.key",
+	)
+	if err != nil {
+		lgr.Error("Failed to load TLS credentials", "err", err)
+		os.Exit(1)
+	}
+
+	// Initialize log buffer for offline storage
+	dbPath := getEnvOrDefault("BUFFER_DB", "/var/lib/hellreign-agent/agent_buffer.db")
+	logBuf, err := buffer.NewLogBuffer(dbPath)
+	if err != nil {
+		lgr.Error("Failed to create log buffer", "err", err)
+		os.Exit(1)
+	}
+	defer func() { _ = logBuf.Close() }()
+	lgr.Info("Log buffer initialized", "path", dbPath)
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	wg := &errgroup.Group{}
+
+	grpcAddr := cfg.GRPCURL
+	if grpcAddr == "" {
+		grpcAddr = cfg.BackendURL
+	}
+	grpcAddr = strings.TrimPrefix(grpcAddr, "http://")
+	grpcAddr = strings.TrimPrefix(grpcAddr, "https://")
+	// Start command executor
+	wg.Go(func() error {
+		cmdexe := new(commander.CommandExecutor)
+		ccli := client.New(cmdexe, cfg.Label, cfg.Label)
+		return ccli.HandleCommands(ctx, grpcAddr, creds)
+	})
+
+	// Start log collectors
+	if len(cfg.Services) > 0 {
+		wg.Go(func() error {
+			conn, err := grpc.NewClient(grpcAddr, grpc.WithTransportCredentials(creds))
+			if err != nil {
+				return fmt.Errorf("failed to connect to gRPC: %w", err)
+			}
+			defer func() { _ = conn.Close() }()
+
+			ccli := proto.NewCollectorClient(conn)
+
+			svcWg := new(errgroup.Group)
+			for _, svc := range cfg.Services {
+				svc := svc
+				var src logsource.LogSource
+				switch svc.Type {
+				case "journald":
+					src, err = journald.New(svc, os.Getenv("JOURNALD_LOGDIR"))
+					if err != nil {
+						return fmt.Errorf("failed to create journald source %q: %w", svc.Name, err)
+					}
+				case "file":
+					if svc.Path == nil {
+						return fmt.Errorf("path is required for file log source %q", svc.Name)
+					}
+					src, err = file.New(*svc.Path)
+					if err != nil {
+						return fmt.Errorf("failed to create file source %q: %w", svc.Name, err)
+					}
+				default:
+					return fmt.Errorf("unknown log source type %q for service %q", svc.Type, svc.Name)
+				}
+
+				svcWg.Go(func() error {
+					lgr.Info("Starting log stream", "service", svc.Name)
+
+					// First, flush any buffered logs from offline period
+					if err := flushBufferedLogs(ctx, ccli, logBuf, svc.Name, cfg.Label, cfg.RegistrationToken, lgr); err != nil {
+						lgr.Error("Failed to flush buffered logs", "service", svc.Name, "err", err)
+					}
+
+					scli, err := ccli.Stream(
+						metadata.NewOutgoingContext(ctx, metadata.MD{
+							"whoami":   []string{cfg.Label},
+							"service":  []string{svc.Name},
+							"token":    []string{cfg.RegistrationToken},
+							"services": lo.Map(cfg.Services, func(item config.ServiceConfig, _ int) string {
+								return item.Name
+							}),
+						}),
+					)
+					if err != nil {
+						return fmt.Errorf("failed to create stream: %w", err)
+					}
+
+					for {
+						line, err := src.ReadLine()
+						if err != nil {
+							lgr.Error("ReadLine error", "service", svc.Name, "err", err)
+							return err
+						}
+
+						if err := scli.Send(&proto.CollectorRequest{
+							Message: line,
+						}); err != nil {
+							// Connection failed, buffer the log
+							lgr.Warn("Send failed, buffering log", "service", svc.Name, "err", err)
+							if storeErr := logBuf.Store(svc.Name, line); storeErr != nil {
+								lgr.Error("Failed to buffer log", "service", svc.Name, "err", storeErr)
+							}
+							// Try to reconnect
+							if reconnectErr := reconnectStream(ctx, &scli, ccli, svc.Name, cfg.Label, cfg.RegistrationToken, logBuf, lgr); reconnectErr != nil {
+								return reconnectErr
+							}
+							continue
+						}
+					}
+				})
+			}
+			return svcWg.Wait()
+		})
+	}
+
+	if err := wg.Wait(); err != nil {
+		lgr.Error("Agent dead", "err", err)
+		os.Exit(1)
+	}
+}
+
+func getEnvOrDefault(key, defaultValue string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return defaultValue
+}
+
+// flushBufferedLogs sends any buffered logs to the server
+func flushBufferedLogs(
+	ctx context.Context,
+	ccli proto.CollectorClient,
+	logBuf *buffer.LogBuffer,
+	service, agentName, token string,
+	lgr *logger.Logger,
+) error {
+	count, err := logBuf.Count()
+	if err != nil {
+		return err
+	}
+	if count == 0 {
+		return nil
+	}
+
+	lgr.Info("Flushing buffered logs", "service", service, "count", count)
+
+	scli, err := ccli.Stream(
+		metadata.NewOutgoingContext(ctx, metadata.MD{
+			"whoami":  []string{agentName},
+			"service": []string{service},
+			"token":   []string{token},
+		}),
+	)
+	if err != nil {
+		return fmt.Errorf("failed to create stream for flush: %w", err)
+	}
+
+	const batchSize = 100
+	var deletedIDs []int64
+
+	for {
+		logs, err := logBuf.GetPending(batchSize)
+		if err != nil {
+			return err
+		}
+		if len(logs) == 0 {
+			break
+		}
+
+		for _, logEntry := range logs {
+			if err := scli.Send(&proto.CollectorRequest{Message: logEntry.Message}); err != nil {
+				lgr.Error("Failed to send buffered log", "service", service, "err", err)
+				return err
+			}
+			deletedIDs = append(deletedIDs, logEntry.ID)
+		}
+
+		// Delete successfully sent logs
+		if err := logBuf.DeleteBatch(deletedIDs); err != nil {
+			lgr.Error("Failed to delete sent logs from buffer", "service", service, "err", err)
+		}
+		deletedIDs = deletedIDs[:0]
+	}
+
+	_, err = scli.CloseAndRecv()
+	lgr.Info("Buffer flush complete", "service", service)
+	return err
+}
+
+// reconnectStream attempts to recreate a gRPC stream connection
+func reconnectStream(
+	ctx context.Context,
+	scli *grpc.ClientStreamingClient[proto.CollectorRequest, proto.CollectorResponse],
+	ccli proto.CollectorClient,
+	service, agentName, token string,
+	buf *buffer.LogBuffer,
+	lgr *logger.Logger,
+) error {
+	lgr.Info("Attempting to reconnect stream...", "service", service)
+
+	// Try up to 5 times with exponential backoff
+	for i := 0; i < 5; i++ {
+		time.Sleep(time.Duration(i+1) * time.Second)
+
+		newCli, err := ccli.Stream(
+			metadata.NewOutgoingContext(ctx, metadata.MD{
+				"whoami":  []string{agentName},
+				"service": []string{service},
+				"token":   []string{token},
+			}),
+		)
+		if err != nil {
+			lgr.Warn("Reconnect attempt failed", "service", service, "attempt", i+1, "err", err)
+			continue
+		}
+
+		*scli = newCli
+		lgr.Info("Stream reconnected successfully", "service", service)
+		return flushBufferedLogs(ctx, ccli, buf, service, agentName, token, lgr)
+	}
+
+	return fmt.Errorf("failed to reconnect after 5 attempts for service %s", service)
+}

backend/.golangci.yml

@@ -0,0 +1,21 @@
+version: "2"
+run:
+  timeout: 5m
+  tests: false
+  build-tags:
+    - integration
+
+linters:
+  enable:
+    - errcheck
+    - errname
+    - govet
+    - staticcheck
+    - gosec
+    - nilerr
+
+formatters:
+  enable:
+    - gofmt
+    - goimports
+    - golines

backend/cmd/main.go

@@ -0,0 +1,302 @@
+package main
+
+import (
+	"context"
+	"crypto/tls"
+	"crypto/x509"
+	"log"
+	"net"
+	"os"
+	"time"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/docs"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/config"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/grpcsrv/collector"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/grpcsrv/commander"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/handlers"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/service"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto/proto"
+	"github.com/gin-gonic/gin"
+	swaggerFiles "github.com/swaggo/files"
+	ginSwagger "github.com/swaggo/gin-swagger"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+)
+
+// @securityDefinitions.apikey Bearer
+// @in header
+// @name Authorization
+// @description Type "Bearer" followed by a space and the JWT token.
+
+func main() {
+	cfg_path, ok := os.LookupEnv("CONFIG_FILE")
+	if !ok {
+		cfg_path = "/etc/hellreign/config.yml"
+	}
+	cfg, err := config.ImportSettings(cfg_path)
+	if err != nil {
+		log.Fatalf("Err loading config: %v", err)
+	}
+
+	db, err := storage.Open(cfg.Database.Token_db)
+	if err != nil {
+		log.Fatalf("Err opening database: %v", err)
+	}
+	defer db.Close()
+
+	h := handlers.New(db)
+
+	// Initialize registration tokens table
+	if err := h.Repo.InitRegistrationTokens(); err != nil {
+		log.Printf("Warning: failed to initialize registration tokens table: %v", err)
+	}
+
+	// Initialize jobs table
+	jobRepo := repository.NewJobRepository(db)
+	if err := jobRepo.Init(context.Background()); err != nil {
+		log.Printf("Warning: failed to initialize jobs table: %v", err)
+	}
+
+	// Initialize ClickHouse and log repository
+	logRepo := repository.NewLogRepository()
+	if cfg.Database.Clickhouse_host != "" {
+		go func() {
+			db, err := storage.OpenClickHouseWithRetry(storage.ClickHouseConfig{
+				Host:     cfg.Database.Clickhouse_host,
+				User:     cfg.Database.Clickhouse_user,
+				Password: cfg.Database.Clickhouse_password,
+				Database: cfg.Database.Clickhouse_database,
+			}, 10, 5*time.Second)
+			if err != nil {
+				log.Printf("Warning: ClickHouse connection failed: %v", err)
+				return
+			}
+			log.Println("ClickHouse connected successfully")
+			logRepo.SetDB(db)
+			if err := logRepo.Init(context.Background()); err != nil {
+				log.Printf("Warning: Failed to initialize logs table: %v", err)
+			}
+		}()
+	}
+
+	// Initialize Collector gRPC service
+	coll := collector.New(logRepo)
+
+	cmdr := commander.New(jobRepo)
+
+	// Initialize script interpreter repository and service
+	scriptRepo := repository.NewScriptInterpreterRepo(db)
+	if err := scriptRepo.Init(context.Background()); err != nil {
+		log.Printf("Warning: failed to initialize script interpreters table: %v", err)
+	}
+	scriptSvc := service.NewScriptService(scriptRepo)
+	scriptHandlers := handlers.NewScriptHandlers(scriptSvc, cmdr)
+	jobsHandlers := handlers.NewJobsHandlers(cmdr, scriptSvc)
+
+	agents := handlers.NewAgentsGroup(h, coll)
+	auth := handlers.AuthGroup{Handlers: h}
+	agentReg := handlers.NewAgentRegistrationGroup(h)
+	agentDeploy := handlers.NewAgentDeployGroup(h)
+
+	// Create admin user from config if not exists
+	if cfg.Admin.Admin_login != "" && cfg.Admin.Admin_password != "" {
+		if !h.Repo.ExistsByLogin(cfg.Admin.Admin_login) {
+			_, err := h.Repo.CreateToken(repository.TokenCreate{
+				Name:             cfg.Admin.Admin_name,
+				LastName:         cfg.Admin.Admin_last_name,
+				Login:            cfg.Admin.Admin_login,
+				Password:         cfg.Admin.Admin_password,
+				PermissionView:   true,
+				PermissionManage: true,
+				PermissionAdmin:  true,
+				IsActive:         true,
+			})
+			if err != nil {
+				log.Printf("Warning: failed to create admin user: %v", err)
+			} else {
+				log.Println("Admin user created from config")
+			}
+		} else {
+			// Ensure existing admin is activated
+			if err := h.Repo.ActivateUserByLogin(cfg.Admin.Admin_login); err != nil {
+				log.Printf("Warning: failed to activate admin user: %v", err)
+			} else {
+				log.Println("Admin user activated")
+			}
+		}
+	}
+
+	router := gin.Default()
+	docs.SwaggerInfo.BasePath = "/api/v1"
+	docs.SwaggerInfo.Title = "HellreigN"
+	docs.SwaggerInfo.Version = "1.0"
+	docs.SwaggerInfo.Description = "API for HellreigN"
+	docs.SwaggerInfo.Schemes = []string{"http"}
+	router.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
+
+	v1 := router.Group("/api/v1")
+	{
+		// Auth routes (public)
+		authGroup := v1.Group("/auth")
+		{
+			authGroup.POST("/login", auth.Login)
+		}
+
+		// Auth token management (requires auth)
+		authTokenGroup := v1.Group("/auth")
+		authTokenGroup.Use(auth.AuthMiddleware())
+		{
+			authTokenGroup.POST("/token", handlers.RequireAdmin(), auth.CreateToken)
+			authTokenGroup.GET("/validate", auth.ValidateToken)
+			authTokenGroup.GET("/tokens", handlers.RequireAdmin(), auth.ListTokens)
+			authTokenGroup.DELETE("/token", auth.DeleteMyToken)
+			authTokenGroup.DELETE("/tokens/:login", handlers.RequireAdmin(), auth.DeleteToken)
+
+			// User management (admin only) - Full CRUD
+			authTokenGroup.GET("/users/:login", handlers.RequireAdmin(), auth.GetUser)
+			authTokenGroup.PUT("/users/:login", handlers.RequireAdmin(), auth.UpdateUser)
+			authTokenGroup.PUT("/users/:login/permissions", handlers.RequireAdmin(), auth.UpdateUserPermissions)
+			authTokenGroup.PUT("/users/:login/password", handlers.RequireAdmin(), auth.ResetUserPassword)
+
+			// User activation management (admin only)
+			authTokenGroup.POST("/users/:login/activate", handlers.RequireAdmin(), auth.ActivateUser)
+			authTokenGroup.POST("/users/:login/deactivate", handlers.RequireAdmin(), auth.DeactivateUser)
+			authTokenGroup.GET("/users/inactive", handlers.RequireAdmin(), auth.ListInactiveUsers)
+		}
+
+		// Agents (requires manage_agent permission)
+		agentsGroup := v1.Group("/agents")
+		agentsGroup.Use(auth.AuthMiddleware(), handlers.RequireManageAgent())
+		{
+			agentsGroup.GET("", agents.List)
+		}
+
+		// Jobs (requires admin permission)
+		jobsGroup := v1.Group("/jobs")
+		jobsGroup.Use(auth.AuthMiddleware(), handlers.RequireAdmin())
+		{
+			jobsGroup.POST("", jobsHandlers.AddJob)
+		}
+
+		// Agent registration
+		agentRegGroup := v1.Group("/agents")
+		{
+			agentRegGroup.POST("/register", agentReg.Register)
+		}
+		agentRegTokenGroup := v1.Group("/agents")
+		agentRegTokenGroup.Use(auth.AuthMiddleware(), handlers.RequireManageAgent())
+		{
+			agentRegTokenGroup.POST("/register-token", agentReg.CreateRegistrationToken)
+			agentRegTokenGroup.POST("/deploy", agentDeploy.DeployAgents)
+		}
+
+		// Logs (requires view permission)
+		logsGroup := v1.Group("/logs")
+		logsGroup.Use(auth.AuthMiddleware(), handlers.RequireView())
+		{
+			// Mock logs endpoint (always available, no ClickHouse required)
+			mockLogHandlers := handlers.NewLogHandlers(nil)
+			logsGroup.GET("/mock", mockLogHandlers.GetMockLogs)
+
+			// ClickHouse log handlers (always registered, work when ClickHouse connects)
+			logHandlers := handlers.NewLogHandlers(logRepo)
+			logsGroup.POST("", logHandlers.Insert)
+			logsGroup.POST("/batch", logHandlers.InsertBatch)
+			logsGroup.GET("", logHandlers.Search)
+			logsGroup.GET("/services", logHandlers.GetServices)
+			logsGroup.GET("/agents", logHandlers.GetAgents)
+			logsGroup.GET("/levels", logHandlers.GetLevels)
+		}
+
+		// Scripts (requires admin permission)
+		scriptsGroup := v1.Group("/scripts")
+		scriptsGroup.Use(auth.AuthMiddleware(), handlers.RequireAdmin())
+		{
+			scriptsGroup.POST("/run", scriptHandlers.RunScript)
+			scriptsGroup.GET("/interpreters", scriptHandlers.ListInterpreters)
+			scriptsGroup.POST("/interpreters", scriptHandlers.CreateInterpreter)
+			scriptsGroup.GET("/interpreters/:id", scriptHandlers.GetInterpreter)
+			scriptsGroup.PUT("/interpreters/:id", scriptHandlers.UpdateInterpreter)
+			scriptsGroup.DELETE("/interpreters/:id", scriptHandlers.DeleteInterpreter)
+		}
+	}
+
+	// Start gRPC server with mTLS in background
+	grpcPort := os.Getenv("GRPC_PORT")
+	if grpcPort == "" {
+		grpcPort = "9001"
+	}
+
+	certDir := os.Getenv("SSL_CERT_DIR")
+	if certDir == "" {
+		certDir = "/var/lib/hellreign/ssl"
+	}
+
+	certFile := certDir + "/server.crt"
+	keyFile := certDir + "/server.key"
+	caFile := certDir + "/ca.crt"
+
+	// Load server cert
+	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		log.Fatalf("Failed to load server cert: %v", err)
+	}
+
+	// Load CA cert for client verification
+	caCert, err := os.ReadFile(caFile)
+	if err != nil {
+		log.Fatalf("Failed to load CA cert: %v", err)
+	}
+	caCertPool := x509.NewCertPool()
+	caCertPool.AppendCertsFromPEM(caCert)
+
+	tlsConfig := &tls.Config{
+		Certificates: []tls.Certificate{cert},
+		ClientCAs:    caCertPool,
+		ClientAuth:   tls.RequireAndVerifyClientCert,
+		MinVersion:   tls.VersionTLS12,
+	}
+
+	grpcServer := grpc.NewServer(grpc.Creds(credentials.NewTLS(tlsConfig)))
+	proto.RegisterCommanderServer(grpcServer, cmdr)
+	proto.RegisterCollectorServer(grpcServer, coll)
+
+	lis, err := net.Listen("tcp", ":"+grpcPort)
+	if err != nil {
+		log.Fatalf("Failed to listen on gRPC port %s: %v", grpcPort, err)
+	}
+
+	g, ctx := errgroup.WithContext(context.Background())
+
+	g.Go(func() error {
+		log.Printf("gRPC server starting on port %s with mTLS", grpcPort)
+		errCh := make(chan error, 1)
+		go func() { errCh <- grpcServer.Serve(lis) }()
+		select {
+		case err := <-errCh:
+			return err
+		case <-ctx.Done():
+			grpcServer.GracefulStop()
+			return nil
+		}
+	})
+
+	g.Go(func() error {
+		log.Printf("HTTP server starting on :8080")
+		errCh := make(chan error, 1)
+		go func() { errCh <- router.Run(":8080") }()
+		select {
+		case err := <-errCh:
+			return err
+		case <-ctx.Done():
+			return nil
+		}
+	})
+
+	if err := g.Wait(); err != nil {
+		log.Fatalf("Server error: %v", err)
+	}
+}

backend/dockerfile

@@ -0,0 +1,24 @@
+FROM golang:1.26.1 as builder
+
+WORKDIR /app
+
+COPY backend/ backend/
+COPY proto/ proto/
+WORKDIR /app/backend
+ENV CGO_ENABLED=0
+ENV GIN_MODE=release
+RUN --mount=type=cache,target=/go/pkg/mod \
+  --mount=type=cache,target=/root/.cache/go-build \
+  go mod download && \
+  go build -ldflags "-s -w" -o backend ./cmd/main.go
+
+FROM alpine:3.23.0
+
+RUN apk add --no-cache curl openssl bash ansible
+
+COPY --from=builder /app/backend/backend .
+COPY --from=builder /app/backend/scripts /etc/hellreign/scripts
+RUN chmod +x /etc/hellreign/scripts/generate-certs.sh
+
+# Generate certificates on container start
+ENTRYPOINT ["/bin/sh", "-c", "/etc/hellreign/scripts/generate-certs.sh ${SSL_CERT_DIR:-/var/lib/hellreign/ssl} && exec ./backend"]

backend/go.mod

@@ -0,0 +1,84 @@
+module gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend
+
+go 1.26.1
+
+require (
+	gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto v0.0.0-20260403210401-a6212c89fc0e
+	github.com/ClickHouse/clickhouse-go/v2 v2.44.0
+	github.com/gin-gonic/gin v1.12.0
+	github.com/swaggo/files v1.0.1
+	github.com/swaggo/gin-swagger v1.6.1
+	github.com/swaggo/swag v1.16.6
+	golang.org/x/crypto v0.49.0
+	golang.org/x/sync v0.20.0
+	google.golang.org/grpc v1.80.0
+	gopkg.in/yaml.v3 v3.0.1
+	modernc.org/sqlite v1.48.1
+)
+
+require (
+	github.com/ClickHouse/ch-go v0.71.0 // indirect
+	github.com/KyleBanks/depth v1.2.1 // indirect
+	github.com/andybalholm/brotli v1.2.0 // indirect
+	github.com/bytedance/gopkg v0.1.4 // indirect
+	github.com/bytedance/sonic v1.15.0 // indirect
+	github.com/bytedance/sonic/loader v0.5.1 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.13 // indirect
+	github.com/gin-contrib/sse v1.1.1 // indirect
+	github.com/go-faster/city v1.0.1 // indirect
+	github.com/go-faster/errors v0.7.1 // indirect
+	github.com/go-openapi/jsonpointer v0.22.5 // indirect
+	github.com/go-openapi/jsonreference v0.21.5 // indirect
+	github.com/go-openapi/spec v0.22.4 // indirect
+	github.com/go-openapi/swag/conv v0.25.5 // indirect
+	github.com/go-openapi/swag/jsonname v0.25.5 // indirect
+	github.com/go-openapi/swag/jsonutils v0.25.5 // indirect
+	github.com/go-openapi/swag/loading v0.25.5 // indirect
+	github.com/go-openapi/swag/stringutils v0.25.5 // indirect
+	github.com/go-openapi/swag/typeutils v0.25.5 // indirect
+	github.com/go-openapi/swag/yamlutils v0.25.5 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.30.2 // indirect
+	github.com/goccy/go-json v0.10.6 // indirect
+	github.com/goccy/go-yaml v1.19.2 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/compress v1.18.3 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/ncruces/go-strftime v1.0.0 // indirect
+	github.com/paulmach/orb v0.12.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.3.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.25 // indirect
+	github.com/quic-go/qpack v0.6.0 // indirect
+	github.com/quic-go/quic-go v0.59.0 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/segmentio/asm v1.2.1 // indirect
+	github.com/shopspring/decimal v1.4.0 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.3.1 // indirect
+	go.mongodb.org/mongo-driver/v2 v2.5.0 // indirect
+	go.opentelemetry.io/otel v1.41.0 // indirect
+	go.opentelemetry.io/otel/trace v1.41.0 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/arch v0.25.0 // indirect
+	golang.org/x/mod v0.34.0 // indirect
+	golang.org/x/net v0.52.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
+	golang.org/x/text v0.35.0 // indirect
+	golang.org/x/tools v0.43.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
+	modernc.org/libc v1.70.0 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.11.0 // indirect
+)
+
+replace gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto => ../proto

backend/go.sum

@@ -0,0 +1,304 @@
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backend/internal/ansible/executor.go

@@ -0,0 +1,135 @@
+package ansible
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"sync"
+)
+
+// Executor handles running Ansible playbooks
+type Executor struct {
+	workDir       string
+	grpcServerHost string
+	grpcServerPort string
+	backendURL    string
+}
+
+// ExecutorConfig holds configuration for the Executor
+type ExecutorConfig struct {
+	WorkDir        string
+	GRPCServerHost string
+	GRPCServerPort string
+	BackendURL   string
+}
+
+// NewExecutor creates a new Ansible executor
+func NewExecutor(cfg ExecutorConfig) *Executor {
+	return &Executor{
+		workDir:       cfg.WorkDir,
+		grpcServerHost: cfg.GRPCServerHost,
+		grpcServerPort: cfg.GRPCServerPort,
+		backendURL:    cfg.BackendURL,
+	}
+}
+
+// DeployResult holds the result of a deployment
+type DeployResult struct {
+	Host       string
+	Success    bool
+	Stdout     string
+	Stderr     string
+	Err        error
+}
+
+// WorkDir returns the work directory path
+func (e *Executor) WorkDir() string {
+	return e.workDir
+}
+
+// Deploy runs Ansible playbook for the given inventory
+func (e *Executor) Deploy(ctx context.Context, inventoryPath string, deployType string) ([]DeployResult, error) {
+	playbookName := "binary_deploy.yml"
+	if deployType == "docker" {
+		playbookName = "docker_deploy.yml"
+	}
+
+	playbookPath := filepath.Join(e.workDir, playbookName)
+
+	cmd := exec.CommandContext(ctx, "ansible-playbook",
+		"-i", inventoryPath,
+		"-e", fmt.Sprintf("backend_url=%s", e.backendURL),
+		playbookPath,
+	)
+
+	var stdout, stderr bytes.Buffer
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stderr
+
+	runErr := cmd.Run()
+
+	// Parse results per host (simplified - returns single result for all)
+	return []DeployResult{
+		{
+			Host:    "all",
+			Success: runErr == nil,
+			Stdout:  stdout.String(),
+			Stderr:  stderr.String(),
+			Err:     runErr,
+		},
+	}, nil
+}
+
+// DeployParallel runs Ansible playbook for multiple inventories in parallel
+func (e *Executor) DeployParallel(ctx context.Context, inventoryPaths []string, deployType string) (map[string][]DeployResult, error) {
+	var wg sync.WaitGroup
+	results := make(map[string][]DeployResult)
+	errCh := make(chan error, len(inventoryPaths))
+
+	for _, path := range inventoryPaths {
+		wg.Add(1)
+		go func(p string) {
+			defer wg.Done()
+			res, err := e.Deploy(ctx, p, deployType)
+			if err != nil {
+				errCh <- err
+			}
+			results[p] = res
+		}(path)
+	}
+
+	wg.Wait()
+	close(errCh)
+
+	// Collect errors
+	var errs []error
+	for err := range errCh {
+		errs = append(errs, err)
+	}
+
+	if len(errs) > 0 {
+		return results, fmt.Errorf("some deployments failed: %v", errs)
+	}
+
+	return results, nil
+}
+
+// WritePlaybook writes a playbook to the work directory
+func (e *Executor) WritePlaybook(name string, content string) error {
+	path := filepath.Join(e.workDir, name)
+	if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
+		return err
+	}
+	return os.WriteFile(path, []byte(content), 0644)
+}
+
+// WriteAllPlaybooks writes all playbooks to the work directory
+func (e *Executor) WriteAllPlaybooks() error {
+	if err := e.WritePlaybook("binary_deploy.yml", BinaryDeployPlaybook); err != nil {
+		return err
+	}
+	return e.WritePlaybook("docker_deploy.yml", DockerDeployPlaybook)
+}

backend/internal/ansible/inventory.go

@@ -0,0 +1,62 @@
+package ansible
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"text/template"
+)
+
+// InventoryHost represents a single host in the inventory
+type InventoryHost struct {
+	Name       string
+	IP         string
+	Port       int
+	User       string
+	AuthMethod string
+	SSHKey     string
+	Password   string
+	DeployType string
+	Token      string
+}
+
+// Inventory represents an Ansible inventory file
+type Inventory struct {
+	Hosts []InventoryHost
+}
+
+const inventoryTemplateText = `{{ range .Hosts }}
+{{ .Name }} ansible_host={{ .IP }} ansible_port={{ .Port }} ansible_user={{ .User }} ansible_connection=ssh
+{{ if eq .AuthMethod "key" }}ansible_ssh_private_key_file={{ .SSHKey }}{{ end }}
+{{ if eq .AuthMethod "password" }}ansible_ssh_pass={{ .Password }}{{ end }}
+deploy_type={{ .DeployType }}
+agent_token={{ .Token }}
+agent_label={{ .Name }}
+
+{{ end }}`
+
+// GenerateInventory generates an Ansible inventory file from the given hosts
+func GenerateInventory(hosts []InventoryHost, outputPath string) error {
+	tmpl, err := template.New("inventory").Parse(inventoryTemplateText)
+	if err != nil {
+		return fmt.Errorf("failed to parse inventory template: %w", err)
+	}
+
+	// Ensure directory exists
+	dir := filepath.Dir(outputPath)
+	if err := os.MkdirAll(dir, 0755); err != nil {
+		return fmt.Errorf("failed to create inventory directory: %w", err)
+	}
+
+	file, err := os.Create(outputPath)
+	if err != nil {
+		return fmt.Errorf("failed to create inventory file: %w", err)
+	}
+	defer file.Close()
+
+	if err := tmpl.Execute(file, Inventory{Hosts: hosts}); err != nil {
+		return fmt.Errorf("failed to execute inventory template: %w", err)
+	}
+
+	return nil
+}

backend/internal/ansible/playbooks.go

@@ -0,0 +1,136 @@
+package ansible
+
+// BinaryDeployPlaybook returns the Ansible playbook for binary deployment
+const BinaryDeployPlaybook = `---
+- name: Deploy HellreigN Agent (Binary)
+  hosts: all
+  become: yes
+  vars:
+    agent_label: "{{ agent_label }}"
+    agent_token: "{{ agent_token }}"
+    backend_url: "{{ backend_url }}"
+    install_dir: /opt/hellreign
+    bin_name: hellreign-agent
+    service_name: hellreign-agent
+    cert_dir: "{{ install_dir }}/certs"
+
+  tasks:
+    - name: Create installation directory
+      file:
+        path: "{{ install_dir }}"
+        state: directory
+        mode: '0755'
+
+    - name: Create certificates directory
+      file:
+        path: "{{ cert_dir }}"
+        state: directory
+        mode: '0755'
+
+    - name: Download HellreigN Agent binary
+      get_url:
+        url: "https://gitea.d3m0k1d.ru/d3m0k1d/HellreigN/releases/latest/download/{{ bin_name }}"
+        dest: "{{ install_dir }}/{{ bin_name }}"
+        mode: '0755'
+
+    - name: Create agent configuration
+      copy:
+        content: |
+          backend_url: "{{ backend_url }}"
+          label: "{{ agent_label }}"
+          registration_token: "{{ agent_token }}"
+          cert_dir: "{{ cert_dir }}"
+        dest: "{{ install_dir }}/config.yml"
+        mode: '0644'
+
+    - name: Create systemd service file
+      copy:
+        content: |
+          [Unit]
+          Description=HellreigN Agent
+          After=network.target
+
+          [Service]
+          Type=simple
+          ExecStart={{ install_dir }}/{{ bin_name }}
+          Restart=always
+          RestartSec=5
+          Environment=CONFIG_FILE={{ install_dir }}/config.yml
+          StandardOutput=journal
+          StandardError=journal
+
+          [Install]
+          WantedBy=multi-user.target
+        dest: /etc/systemd/system/{{ service_name }}.service
+        mode: '0644'
+
+    - name: Reload systemd daemon
+      systemd:
+        daemon_reload: yes
+
+    - name: Enable and start HellreigN Agent service
+      systemd:
+        name: "{{ service_name }}"
+        enabled: yes
+        state: started
+`
+
+// DockerDeployPlaybook returns the Ansible playbook for Docker deployment
+const DockerDeployPlaybook = `---
+- name: Deploy HellreigN Agent (Docker)
+  hosts: all
+  become: yes
+  vars:
+    agent_label: "{{ agent_label }}"
+    agent_token: "{{ agent_token }}"
+    backend_url: "{{ backend_url }}"
+    container_name: hellreign-agent-{{ agent_label }}
+    image: "gitea.d3m0k1d.ru/d3m0k1d/hellreign-agent:latest"
+    cert_dir: /etc/hellreign-agent/certs
+
+  tasks:
+    - name: Install Docker (if not present)
+      block:
+        - name: Check if Docker is installed
+          command: docker --version
+          register: docker_check
+          ignore_errors: yes
+          changed_when: false
+
+        - name: Install Docker
+          shell: |
+            curl -fsSL https://get.docker.com | sh
+          when: docker_check.rc != 0
+
+    - name: Create certificates directory
+      file:
+        path: "{{ cert_dir }}"
+        state: directory
+        mode: '0755'
+
+    - name: Pull HellreigN Agent image
+      community.docker.docker_image:
+        name: "{{ image }}"
+        source: pull
+
+    - name: Create agent configuration
+      copy:
+        content: |
+          backend_url: "{{ backend_url }}"
+          label: "{{ agent_label }}"
+          registration_token: "{{ agent_token }}"
+          cert_dir: "{{ cert_dir }}"
+        dest: "{{ cert_dir }}/config.yml"
+        mode: '0644'
+
+    - name: Create and run HellreigN Agent container
+      community.docker.docker_container:
+        name: "{{ container_name }}"
+        image: "{{ image }}"
+        state: started
+        restart_policy: always
+        volumes:
+          - "{{ cert_dir }}:/etc/hellreign-agent/certs"
+        env:
+          CONFIG_FILE: /etc/hellreign-agent/certs/config.yml
+`

backend/internal/ansible/templates.go

@@ -0,0 +1,5 @@
+package ansible
+
+const BaseInvTemplate = `
+
+	`

backend/internal/config/config.go

@@ -0,0 +1,22 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+func ImportSettings(path string) (*HellreigN, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		fmt.Println(err)
+	}
+	var cfg HellreigN
+
+	if err := yaml.Unmarshal(data, &cfg); err != nil {
+		return nil, err
+	}
+
+	return &cfg, nil
+}

backend/internal/config/types.go

@@ -0,0 +1,20 @@
+package config
+
+type HellreigN struct {
+	Database Databases `yaml:"database"`
+	Admin    Admin     `yaml:"admin"`
+}
+
+type Databases struct {
+	Token_db            string `yaml:"token_db"`
+	Clickhouse_host     string `yaml:"clickhouse_host"`
+	Clickhouse_user     string `yaml:"clickhouse_user"`
+	Clickhouse_password string `yaml:"clickhouse_password"`
+	Clickhouse_database string `yaml:"clickhouse_database"`
+}
+type Admin struct {
+	Admin_name      string `yaml:"admin_name"`
+	Admin_last_name string `yaml:"admin_last_name"`
+	Admin_login     string `yaml:"admin_login"`
+	Admin_password  string `yaml:"admin_password"`
+}

backend/internal/grpcsrv/collector/collector.go

@@ -0,0 +1,180 @@
+package collector
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"sync"
+	"time"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto/proto"
+	"google.golang.org/grpc/metadata"
+)
+
+type Collector struct {
+	proto.UnimplementedCollectorServer
+	logRepo       *repository.LogRepository
+	agents        map[string]*Agent
+	mu            sync.RWMutex
+	batchSize     int
+	flushInterval time.Duration
+}
+
+type Agent struct {
+	ID          string
+	Label       string
+	Services    []string
+	ConnectedAt time.Time
+}
+
+func New(logRepo *repository.LogRepository) *Collector {
+	return &Collector{
+		logRepo:       logRepo,
+		agents:        make(map[string]*Agent),
+		batchSize:     100,
+		flushInterval: 2 * time.Second,
+	}
+}
+
+func (c *Collector) Stream(stream proto.Collector_StreamServer) error {
+	md, ok := metadata.FromIncomingContext(stream.Context())
+	if !ok {
+		return fmt.Errorf("no metadata in context")
+	}
+
+	whoamiVals := md["whoami"]
+	if len(whoamiVals) == 0 {
+		return fmt.Errorf("whoami metadata missing")
+	}
+	agentName := whoamiVals[0]
+
+	serviceVals := md["service"]
+	if len(serviceVals) == 0 {
+		return fmt.Errorf("service metadata missing")
+	}
+	service := serviceVals[0]
+
+	servicesVals := md["services"]
+	var services []string
+	if len(servicesVals) > 0 {
+		services = servicesVals
+	}
+
+	// Register agent
+	c.mu.Lock()
+	c.agents[agentName] = &Agent{
+		ID:          agentName,
+		Label:       agentName,
+		Services:    services,
+		ConnectedAt: time.Now(),
+	}
+	c.mu.Unlock()
+
+	defer func() {
+		c.mu.Lock()
+		delete(c.agents, agentName)
+		c.mu.Unlock()
+	}()
+
+	log.Printf("Agent %s connected, streaming logs for service: %s", agentName, service)
+
+	// If no ClickHouse, just consume the stream without storing
+	if !c.logRepo.IsConnected() {
+		log.Printf("Warning: ClickHouse not connected yet, consuming logs without storing for agent %s", agentName)
+		for {
+			_, err := stream.Recv()
+			if err == io.EOF {
+				return nil
+			}
+			if err != nil {
+				return fmt.Errorf("failed to receive: %w", err)
+			}
+		}
+	}
+
+	// Channels for communication with recv goroutine
+	recvCh := make(chan *proto.CollectorRequest, 1)
+	errCh := make(chan error, 1)
+
+	// Goroutine that blocks on Recv
+	go func() {
+		for {
+			req, err := stream.Recv()
+			if err != nil {
+				errCh <- err
+				return
+			}
+			recvCh <- req
+		}
+	}()
+
+	// Buffer for batch inserts
+	var batch []storage.LogEntry
+	ticker := time.NewTicker(c.flushInterval)
+	defer ticker.Stop()
+
+	flush := func() error {
+		if len(batch) == 0 {
+			return nil
+		}
+		if err := c.logRepo.InsertBatch(stream.Context(), batch); err != nil {
+			log.Printf("Failed to insert batch for agent %s, service %s: %v", agentName, service, err)
+			return err
+		}
+		log.Printf("Flushed %d logs for agent %s, service %s", len(batch), agentName, service)
+		batch = batch[:0]
+		return nil
+	}
+
+	for {
+		select {
+		case <-stream.Context().Done():
+			// Context cancelled, flush remaining
+			_ = flush()
+			return stream.Context().Err()
+		case <-ticker.C:
+			if err := flush(); err != nil {
+				return err
+			}
+		case req := <-recvCh:
+			batch = append(batch, storage.LogEntry{
+				Timestamp: time.Now(),
+				Level:     "info",
+				Service:   service,
+				Agent:     agentName,
+				Message:   req.Message,
+			})
+
+			if len(batch) >= c.batchSize {
+				if err := flush(); err != nil {
+					return err
+				}
+			}
+		case err := <-errCh:
+			if err == io.EOF {
+				// Client closed stream
+				return flush()
+			}
+			return fmt.Errorf("failed to receive: %w", err)
+		}
+	}
+}
+
+func (c *Collector) GetAgent(name string) (*Agent, bool) {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+	a, ok := c.agents[name]
+	return a, ok
+}
+
+func (c *Collector) Agents() []*Agent {
+	c.mu.RLock()
+	defer c.mu.RUnlock()
+	result := make([]*Agent, 0, len(c.agents))
+	for _, a := range c.agents {
+		result = append(result, a)
+	}
+	return result
+}

backend/internal/grpcsrv/commander/commander.go

@@ -0,0 +1,198 @@
+package commander
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"log"
+	"sync"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/models"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto/proto"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/metadata"
+)
+
+type Commander struct {
+	proto.UnimplementedCommanderServer
+	agents map[string]Agent
+	mu     sync.RWMutex
+	jobber Jobber
+}
+
+type Jobber interface {
+	InitJob(ctx context.Context, agentID string, job models.JobForInsert) (int64, error)
+	UpdateJobInDB(ctx context.Context, jid int64, msg models.JobForUpdate) (models.Job, error)
+}
+
+func New(jobber Jobber) *Commander {
+	return &Commander{
+		agents: make(map[string]Agent),
+		jobber: jobber,
+	}
+}
+
+type Agent struct {
+	bidi   grpc.BidiStreamingServer[proto.FinishedCommand, proto.Command]
+	in     chan *proto.Command
+	jobs   map[int64]Job
+	jobber Jobber
+	ctx    context.Context
+	aid    string
+
+	Token    string // agent id
+	Label    string
+	Services []string
+}
+type JobOut struct {
+	fc  models.Job
+	err error
+}
+
+type Job struct {
+	out chan JobOut
+}
+
+func (self *Commander) GetAgent(aid string) (agent Agent, ok bool) {
+	self.mu.RLock()
+	defer self.mu.RUnlock()
+	agent, ok = self.agents[aid]
+	return
+}
+
+func (self *Commander) Agents() []Agent {
+	self.mu.RLock()
+	defer self.mu.RUnlock()
+	result := make([]Agent, 0, len(self.agents))
+	for _, a := range self.agents {
+		result = append(result, a)
+	}
+	return result
+}
+
+func (self *Commander) removeAgent(aid string) {
+	self.mu.Lock()
+	defer self.mu.Unlock()
+	delete(self.agents, aid)
+}
+
+func (self *Agent) AddJob(job models.JobForInsert) (int64, error) {
+	log.Printf("[DEBUG] AddJob: agent=%s, command=%v", self.aid, job.Command)
+	jid, err := self.jobber.InitJob(self.ctx, self.aid, job)
+	if err != nil {
+		log.Printf("[DEBUG] AddJob: InitJob failed: %v", err)
+		return 0, err
+	}
+	log.Printf("[DEBUG] AddJob: InitJob returned jid=%d, sending to self.in channel", jid)
+	self.in <- &proto.Command{
+		Id:      jid,
+		Command: job.Command,
+		Stdin:   job.Stdin,
+	}
+	log.Printf("[DEBUG] AddJob: sent to self.in channel successfully")
+	return jid, err
+}
+
+func (self *Agent) WaitJob(jid int64) (*models.Job, error) {
+	log.Printf("[DEBUG] WaitJob: agent=%s, jid=%d, waiting on self.jobs[%d].out", self.aid, jid, jid)
+	result := <-self.jobs[jid].out
+	log.Printf("[DEBUG] WaitJob: agent=%s, jid=%d, received result", self.aid, jid)
+	return &result.fc, result.err
+}
+
+func (self *Commander) Stream(bidi grpc.BidiStreamingServer[proto.FinishedCommand, proto.Command]) error {
+	md, ok := metadata.FromIncomingContext(bidi.Context())
+	if !ok {
+		return fmt.Errorf("no metadata in context")
+	}
+	aidVals := md["agentid"]
+	if len(aidVals) == 0 {
+		return fmt.Errorf("agentid metadata missing")
+	}
+	aid := aidVals[0]
+
+	var label string
+	labelVals := md["label"]
+	if len(labelVals) > 0 {
+		label = labelVals[0]
+	}
+
+	agent := newAgent(bidi, self.jobber, aid, label)
+	self.mu.Lock()
+	self.agents[aid] = agent
+	self.mu.Unlock()
+
+	defer self.removeAgent(aid)
+	return agent.run()
+}
+
+func (self *Agent) run() error {
+	wg := new(errgroup.Group)
+	wg.Go(self.recv)
+	wg.Go(self.send)
+	return wg.Wait()
+}
+
+func (self *Agent) recv() error {
+	for {
+		job, err := func() (job models.Job, err error) {
+			msg, err := self.bidi.Recv()
+			if err != nil {
+				return
+			}
+			log.Printf("[DEBUG] recv: agent=%s, received finished job id=%d", self.aid, msg.Id)
+			return self.jobber.UpdateJobInDB(self.ctx, msg.Id, models.JobForUpdate{
+				Stdout: msg.Stdout,
+				Stderr: msg.Stderr,
+				Status: msg.Status,
+			})
+		}()
+		if err == io.EOF {
+			log.Printf("[DEBUG] recv: agent=%s, EOF received", self.aid)
+			return nil
+		}
+		if err != nil {
+			log.Printf("[DEBUG] recv: agent=%s, error: %v", self.aid, err)
+		}
+		out := self.jobs[job.ID].out
+		out <- JobOut{
+			fc:  job,
+			err: err,
+		}
+		close(out)
+		log.Printf("[DEBUG] recv: agent=%s, sent result for job id=%d", self.aid, job.ID)
+	}
+}
+
+func (self *Agent) send() error {
+	for job := range self.in {
+		log.Printf("[DEBUG] send: agent=%s, job id=%d, command=%v", self.aid, job.Id, job.Command)
+		self.jobs[job.Id] = newJob()
+		if err := self.bidi.Send(job); err != nil {
+			log.Printf("[DEBUG] send: agent=%s, failed to send job id=%d: %v", self.aid, job.Id, err)
+			return err
+		}
+		log.Printf("[DEBUG] send: agent=%s, sent job id=%d to agent", self.aid, job.Id)
+	}
+	log.Printf("[DEBUG] send: agent=%s, self.in channel closed", self.aid)
+	return io.EOF
+	// self.jobs[]
+}
+
+func newAgent(bidi grpc.BidiStreamingServer[proto.FinishedCommand, proto.Command], jobber Jobber, aid string, label string) Agent {
+	return Agent{
+		bidi:   bidi,
+		in:     make(chan *proto.Command),
+		jobs:   make(map[int64]Job),
+		jobber: jobber,
+		ctx:    bidi.Context(),
+		aid:    aid,
+		Label:  label,
+		Token:  aid,
+	}
+}
+
+func newJob() Job {
+	return Job{make(chan JobOut, 1)}
+}

backend/internal/handlers/agent_deploy.go

@@ -0,0 +1,172 @@
+package handlers
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/ansible"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+	"github.com/gin-gonic/gin"
+)
+
+type AgentDeployGroup struct {
+	*Handlers
+	executor *ansible.Executor
+}
+
+func NewAgentDeployGroup(h *Handlers) *AgentDeployGroup {
+	workDir := os.Getenv("ANSIBLE_WORK_DIR")
+	if workDir == "" {
+		workDir = "/tmp/hellreign/ansible"
+	}
+
+	grpcPort := os.Getenv("GRPC_PORT")
+	if grpcPort == "" {
+		grpcPort = "9001"
+	}
+
+	backendURL := os.Getenv("BACKEND_URL")
+	if backendURL == "" {
+		backendURL = "http://localhost:8080"
+	}
+
+	exec := ansible.NewExecutor(ansible.ExecutorConfig{
+		WorkDir:        workDir,
+		GRPCServerHost: "0.0.0.0", // TODO: make configurable
+		GRPCServerPort: grpcPort,
+		BackendURL:   backendURL,
+	})
+
+	// Write playbooks on init
+	if err := exec.WriteAllPlaybooks(); err != nil {
+		// Log but don't fail - playbooks can be written later
+		_ = err
+	}
+
+	return &AgentDeployGroup{
+		Handlers: h,
+		executor: exec,
+	}
+}
+
+// DeployAgents deploys agents to multiple servers
+// @Summary Deploy agents to multiple servers via Ansible
+// @Description Deploy HellreigN agents to multiple servers using Ansible playbooks. Supports Docker and Binary deployment types.
+// @Tags agents
+// @Accept json
+// @Produce json
+// @Param request body repository.DeployAgentsRequest true "Deployment configuration for servers"
+// @Success 200 {object} repository.DeployResponse "Deployment results with tokens for each server"
+// @Failure 400 {object} map[string]string "Invalid request"
+// @Failure 500 {object} map[string]string "Internal server error"
+// @Security Bearer
+// @Router /agents/deploy [post]
+func (adg *AgentDeployGroup) DeployAgents(c *gin.Context) {
+	var req repository.DeployAgentsRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	// Create work directory
+	workDir := adg.executor.WorkDir()
+	if err := os.MkdirAll(workDir, 0755); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create work directory"})
+		return
+	}
+
+	// Generate registration tokens for each server
+	results := make([]repository.DeployResult, 0, len(req.Servers))
+	timestamp := time.Now().UnixMilli()
+
+	ctx, cancel := context.WithTimeout(c.Request.Context(), 10*time.Minute)
+	defer cancel()
+
+	for i, server := range req.Servers {
+		// Create registration token
+		token, err := adg.Repo.CreateRegistrationToken(server.AgentLabel)
+		if err != nil {
+			results = append(results, repository.DeployResult{
+				IP:         server.IP,
+				AgentLabel: server.AgentLabel,
+				Success:    false,
+				Error:      fmt.Sprintf("failed to create token: %v", err),
+			})
+			continue
+		}
+
+		// Set default port
+		port := server.Port
+		if port == 0 {
+			port = 22
+		}
+
+		// Generate inventory for this single server
+		inventoryHosts := []ansible.InventoryHost{
+			{
+				Name:       server.AgentLabel,
+				IP:         server.IP,
+				Port:       port,
+				User:       server.User,
+				AuthMethod: string(server.AuthMethod),
+				SSHKey:     server.SSHKey,
+				Password:   server.Password,
+				DeployType: string(server.DeployType),
+				Token:      token,
+			},
+		}
+
+		inventoryPath := filepath.Join(workDir, fmt.Sprintf("inventory_%d_%d", timestamp, i))
+		if err := ansible.GenerateInventory(inventoryHosts, inventoryPath); err != nil {
+			results = append(results, repository.DeployResult{
+				IP:         server.IP,
+				AgentLabel: server.AgentLabel,
+				Token:      token,
+				Success:    false,
+				Error:      fmt.Sprintf("failed to generate inventory: %v", err),
+			})
+			continue
+		}
+
+		// Run Ansible playbook for this server
+		deployResults, err := adg.executor.Deploy(ctx, inventoryPath, string(server.DeployType))
+
+		// Clean up inventory file
+		os.Remove(inventoryPath)
+
+		if err != nil {
+			results = append(results, repository.DeployResult{
+				IP:         server.IP,
+				AgentLabel: server.AgentLabel,
+				Token:      token,
+				Success:    false,
+				Error:      fmt.Sprintf("deployment failed: %v", err),
+			})
+			continue
+		}
+
+		success := true
+		errMsg := ""
+		if len(deployResults) > 0 && !deployResults[0].Success {
+			success = false
+			errMsg = deployResults[0].Stderr
+		}
+
+		results = append(results, repository.DeployResult{
+			IP:         server.IP,
+			AgentLabel: server.AgentLabel,
+			Token:      token,
+			Success:    success,
+			Error:      errMsg,
+		})
+	}
+
+	c.JSON(http.StatusOK, repository.DeployResponse{
+		Message: "Deployment completed",
+		Results: results,
+	})
+}

backend/internal/handlers/agent_register.go

@@ -0,0 +1,121 @@
+package handlers
+
+import (
+	"log"
+	"net/http"
+	"os"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/utils"
+	"github.com/gin-gonic/gin"
+)
+
+type AgentRegistrationGroup struct {
+	*Handlers
+	certBundle *utils.CertBundle
+}
+
+func NewAgentRegistrationGroup(h *Handlers) *AgentRegistrationGroup {
+	certDir := getCertDir()
+	bundle, err := utils.LoadCertBundle(certDir)
+	if err != nil {
+		log.Printf("[agent-reg] WARNING: cert bundle load failed: %v", err)
+	}
+	return &AgentRegistrationGroup{
+		Handlers:   h,
+		certBundle: bundle,
+	}
+}
+
+// CreateRegistrationToken — админ создаёт токен для агента
+// @Summary Create registration token
+// @Tags agents
+// @Accept json
+// @Produce json
+// @Param request body repository.RegistrationRequest true "Label"
+// @Success 200 {object} map[string]string
+// @Security Bearer
+// @Router /agents/register-token [post]
+func (arg *AgentRegistrationGroup) CreateRegistrationToken(c *gin.Context) {
+	var req repository.RegistrationRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	token, err := arg.Repo.CreateRegistrationToken(req.Label)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create token"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"token": token})
+}
+
+// Register — агент шлёт CSR + token, получает сертификаты
+// @Summary Register agent
+// @Tags agents
+// @Accept json
+// @Produce json
+// @Param request body RegisterRequest true "CSR + token"
+// @Success 200 {object} RegisterResponse
+// @Router /agents/register [post]
+func (arg *AgentRegistrationGroup) Register(c *gin.Context) {
+	var req RegisterRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if arg.certBundle == nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "certificate bundle not available"})
+		return
+	}
+
+	regToken, err := arg.Repo.GetRegistrationToken(req.Token)
+	if err != nil {
+		if err == repository.ErrNotFound {
+			c.JSON(http.StatusUnauthorized, gin.H{"error": "invalid registration token"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to verify token"})
+		return
+	}
+
+	if regToken.Used {
+		c.JSON(http.StatusGone, gin.H{"error": "registration token already used"})
+		return
+	}
+
+	clientCertPEM, err := arg.certBundle.SignCSR([]byte(req.CSR), regToken.Label)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "failed to sign CSR: " + err.Error()})
+		return
+	}
+
+	if err := arg.Repo.MarkRegistrationTokenUsed(req.Token); err != nil {
+		log.Printf("[agent-reg] WARNING: failed to mark token used: %v", err)
+	}
+
+	c.JSON(http.StatusOK, RegisterResponse{
+		CACert:     string(arg.certBundle.GetCACertPEM()),
+		ClientCert: string(clientCertPEM),
+	})
+}
+
+type RegisterRequest struct {
+	CSR   string `json:"csr" binding:"required"`
+	Token string `json:"token" binding:"required"`
+}
+
+type RegisterResponse struct {
+	CACert     string `json:"ca_cert"`
+	ClientCert string `json:"client_cert"`
+}
+
+func getCertDir() string {
+	if d := os.Getenv("SSL_CERT_DIR"); d != "" {
+		return d
+	}
+	return "/var/lib/hellreign/ssl"
+}

backend/internal/handlers/agents.go

@@ -0,0 +1,45 @@
+package handlers
+
+import (
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/grpcsrv/collector"
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+type AgentsGroup struct {
+	*Handlers
+	collector *collector.Collector
+}
+
+func NewAgentsGroup(h *Handlers, coll *collector.Collector) AgentsGroup {
+	return AgentsGroup{Handlers: h, collector: coll}
+}
+
+type AgentInfo struct {
+	Token       string   `json:"token"`
+	Label       string   `json:"label"`
+	Services    []string `json:"services"`
+	ConnectedAt string   `json:"connected_at"`
+}
+
+// @Summary Get connected agents
+// @Description Returns a list of all agents currently connected via Collector (log streaming)
+// @Tags agents
+// @Security Bearer
+// @Produce json
+// @Success 200 {array} AgentInfo
+// @Router /agents [get]
+func (ag *AgentsGroup) List(c *gin.Context) {
+	agents := make([]AgentInfo, 0)
+
+	for _, agent := range ag.collector.Agents() {
+		agents = append(agents, AgentInfo{
+			Token:       agent.ID,
+			Label:       agent.Label,
+			Services:    agent.Services,
+			ConnectedAt: agent.ConnectedAt.Format("2006-01-02 15:04:05"),
+		})
+	}
+
+	c.JSON(http.StatusOK, agents)
+}

backend/internal/handlers/auth.go

@@ -0,0 +1,404 @@
+package handlers
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+	"github.com/gin-gonic/gin"
+)
+
+// AuthGroup handles authentication routes.
+type AuthGroup struct {
+	*Handlers
+}
+
+// Login authenticates a user by login and password, returns a token.
+// @Summary Login
+// @Description Authenticate with login and password, returns a token and permissions
+// @Tags auth
+// @Accept json
+// @Param request body repository.LoginRequest true "Login credentials"
+// @Success 200 {object} repository.LoginResponse
+// @Failure 400 {object} map[string]string
+// @Failure 401 {object} map[string]string
+// @Failure 403 {object} map[string]string
+// @Router /auth/login [post]
+func (ag *AuthGroup) Login(c *gin.Context) {
+	var req repository.LoginRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request body"})
+		return
+	}
+
+	resp, err := ag.Repo.Login(req.Login, req.Password)
+	if err != nil {
+		if errors.Is(err, repository.ErrNotFound) {
+			c.JSON(http.StatusUnauthorized, gin.H{"error": "invalid credentials"})
+			return
+		}
+		if errors.Is(err, repository.ErrAccountInactive) {
+			c.JSON(http.StatusForbidden, gin.H{"error": "account is not activated by admin"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to authenticate"})
+		return
+	}
+
+	c.JSON(http.StatusOK, resp)
+}
+
+// CreateToken creates a new user.
+// @Summary Create user
+// @Description Creates a new user with permissions
+// @Tags auth
+// @Accept json
+// @Param request body repository.TokenCreate true "User data"
+// @Success 200 {object} map[string]string
+// @Failure 400 {object} map[string]string
+// @Failure 401 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /auth/token [post]
+func (ag *AuthGroup) CreateToken(c *gin.Context) {
+	var tc repository.TokenCreate
+	if err := c.ShouldBindJSON(&tc); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request body"})
+		return
+	}
+
+	if _, err := ag.Repo.CreateToken(tc); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create user"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "user created"})
+}
+
+// ValidateToken validates the current Bearer token and returns user info.
+// @Summary Validate token
+// @Description Check if the provided Bearer token is valid and return its permissions
+// @Tags auth
+// @Produce json
+// @Success 200 {object} repository.Tokens
+// @Failure 401 {object} map[string]string
+// @Router /auth/validate [get]
+func (ag *AuthGroup) ValidateToken(c *gin.Context) {
+	tokenVal, exists := c.Get(string(tokenContextKey))
+	if !exists {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "not authenticated"})
+		return
+	}
+
+	token, ok := tokenVal.(*repository.Tokens)
+	if !ok {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token context"})
+		return
+	}
+
+	c.JSON(http.StatusOK, token)
+}
+
+// ListTokens returns all users.
+// @Summary List users
+// @Description Returns list of all users with their permissions
+// @Tags auth
+// @Produce json
+// @Success 200 {array} repository.Tokens
+// @Failure 500 {object} map[string]string
+// @Router /auth/tokens [get]
+func (ag *AuthGroup) ListTokens(c *gin.Context) {
+	tokens, err := ag.Repo.ListTokens()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to list users"})
+		return
+	}
+	c.JSON(http.StatusOK, tokens)
+}
+
+// DeleteToken deletes a user by login from URL path.
+// @Summary Delete user
+// @Description Deletes a user by their login
+// @Tags auth
+// @Param login path string true "Login of the user to delete"
+// @Success 200 {object} map[string]string
+// @Failure 400 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /auth/tokens/:login [delete]
+func (ag *AuthGroup) DeleteToken(c *gin.Context) {
+	login := c.Param("login")
+	if login == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "login required"})
+		return
+	}
+
+	if err := ag.Repo.DeleteTokenByLogin(login); err != nil {
+		if errors.Is(err, repository.ErrNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to delete user"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "user deleted"})
+}
+
+// DeleteMyToken deletes the current user's account.
+// @Summary Delete my account
+// @Description Deletes the current authenticated user
+// @Tags auth
+// @Success 200 {object} map[string]string
+// @Failure 401 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /auth/token [delete]
+func (ag *AuthGroup) DeleteMyToken(c *gin.Context) {
+	tokenVal, exists := c.Get(string(tokenContextKey))
+	if !exists {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "not authenticated"})
+		return
+	}
+
+	token, ok := tokenVal.(*repository.Tokens)
+	if !ok {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token context"})
+		return
+	}
+
+	if err := ag.Repo.DeleteToken(token.Token); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to delete account"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "account deleted"})
+}
+
+// ActivateUser activates a user by login.
+// @Summary Activate user
+// @Description Activates a user account by login (admin only)
+// @Tags auth
+// @Param login path string true "Login of the user to activate"
+// @Success 200 {object} map[string]string
+// @Failure 400 {object} map[string]string
+// @Failure 404 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /auth/users/:login/activate [post]
+func (ag *AuthGroup) ActivateUser(c *gin.Context) {
+	login := c.Param("login")
+	if login == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "login required"})
+		return
+	}
+
+	if err := ag.Repo.ActivateUserByLogin(login); err != nil {
+		if errors.Is(err, repository.ErrNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to activate user"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "user activated"})
+}
+
+// DeactivateUser deactivates a user by login.
+// @Summary Deactivate user
+// @Description Deactivates a user account by login (admin only)
+// @Tags auth
+// @Param login path string true "Login of the user to deactivate"
+// @Success 200 {object} map[string]string
+// @Failure 400 {object} map[string]string
+// @Failure 404 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /auth/users/:login/deactivate [post]
+func (ag *AuthGroup) DeactivateUser(c *gin.Context) {
+	login := c.Param("login")
+	if login == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "login required"})
+		return
+	}
+
+	if err := ag.Repo.DeactivateUserByLogin(login); err != nil {
+		if errors.Is(err, repository.ErrNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to deactivate user"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "user deactivated"})
+}
+
+// ListInactiveUsers returns all users that are not activated.
+// @Summary List inactive users
+// @Description Returns list of all users waiting for activation
+// @Tags auth
+// @Produce json
+// @Success 200 {array} repository.Tokens
+// @Failure 500 {object} map[string]string
+// @Router /auth/users/inactive [get]
+func (ag *AuthGroup) ListInactiveUsers(c *gin.Context) {
+	tokens, err := ag.Repo.ListInactiveTokens()
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to list inactive users"})
+		return
+	}
+	c.JSON(http.StatusOK, tokens)
+}
+
+// GetUser returns a user by login.
+// @Summary Get user by login
+// @Description Returns a user by their login (admin only)
+// @Tags auth
+// @Produce json
+// @Param login path string true "Login of the user"
+// @Success 200 {object} repository.Tokens
+// @Failure 400 {object} map[string]string
+// @Failure 404 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /auth/users/:login [get]
+func (ag *AuthGroup) GetUser(c *gin.Context) {
+	login := c.Param("login")
+	if login == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "login required"})
+		return
+	}
+
+	user, err := ag.Repo.GetTokenByLogin(login)
+	if err != nil {
+		if errors.Is(err, repository.ErrNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to get user"})
+		return
+	}
+
+	c.JSON(http.StatusOK, user)
+}
+
+// UpdateUser updates user's name and last name.
+// @Summary Update user
+// @Description Updates a user's name and last name (admin only)
+// @Tags auth
+// @Accept json
+// @Param login path string true "Login of the user"
+// @Param request body repository.TokenUpdate true "User data to update"
+// @Success 200 {object} map[string]string
+// @Failure 400 {object} map[string]string
+// @Failure 404 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /auth/users/:login [put]
+func (ag *AuthGroup) UpdateUser(c *gin.Context) {
+	login := c.Param("login")
+	if login == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "login required"})
+		return
+	}
+
+	var update repository.TokenUpdate
+	if err := c.ShouldBindJSON(&update); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request body"})
+		return
+	}
+
+	if err := ag.Repo.UpdateToken(login, update); err != nil {
+		if errors.Is(err, repository.ErrNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to update user"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "user updated"})
+}
+
+// UpdateUserPermissions updates user's permissions and activation status.
+// @Summary Update user permissions
+// @Description Updates a user's permissions and activation status (admin only)
+// @Tags auth
+// @Accept json
+// @Param login path string true "Login of the user"
+// @Param request body repository.TokenUpdatePermissions true "Permissions to update"
+// @Success 200 {object} map[string]string
+// @Failure 400 {object} map[string]string
+// @Failure 404 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /auth/users/:login/permissions [put]
+func (ag *AuthGroup) UpdateUserPermissions(c *gin.Context) {
+	login := c.Param("login")
+	if login == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "login required"})
+		return
+	}
+
+	var update repository.TokenUpdatePermissions
+	if err := c.ShouldBindJSON(&update); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request body"})
+		return
+	}
+
+	if err := ag.Repo.UpdatePermissions(login, update); err != nil {
+		if errors.Is(err, repository.ErrNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to update permissions"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "permissions updated"})
+}
+
+// ResetUserPassword resets a user's password.
+// @Summary Reset user password
+// @Description Resets a user's password to a new value (admin only)
+// @Tags auth
+// @Accept json
+// @Param login path string true "Login of the user"
+// @Param request body repository.TokenPasswordReset true "New password"
+// @Success 200 {object} map[string]string
+// @Failure 400 {object} map[string]string
+// @Failure 404 {object} map[string]string
+// @Failure 500 {object} map[string]string
+// @Router /auth/users/:login/password [put]
+func (ag *AuthGroup) ResetUserPassword(c *gin.Context) {
+	login := c.Param("login")
+	if login == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "login required"})
+		return
+	}
+
+	var req repository.TokenPasswordReset
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request body"})
+		return
+	}
+
+	if err := ag.Repo.UpdatePassword(login, req.NewPassword); err != nil {
+		if errors.Is(err, repository.ErrNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to reset password"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "password reset"})
+}
+
+// getTokenFromHeader extracts the Bearer token from the Authorization header.
+func getTokenFromHeader(c *gin.Context) string {
+	auth := c.GetHeader("Authorization")
+	if auth == "" {
+		return ""
+	}
+	parts := strings.SplitN(auth, " ", 2)
+	if len(parts) != 2 || !strings.EqualFold(parts[0], "bearer") {
+		return ""
+	}
+	return parts[1]
+}

backend/internal/handlers/handlers.go

@@ -0,0 +1,19 @@
+package handlers
+
+import (
+	"database/sql"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+)
+
+type Handlers struct {
+	DB   *sql.DB
+	Repo *repository.Repository
+}
+
+func New(db *sql.DB) *Handlers {
+	return &Handlers{
+		DB:   db,
+		Repo: repository.New(db),
+	}
+}

backend/internal/handlers/jobs.go

@@ -0,0 +1,106 @@
+package handlers
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/grpcsrv/commander"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/models"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/service"
+	"github.com/gin-gonic/gin"
+)
+
+type JobsHandlers struct {
+	cmder *commander.Commander
+	svc   *service.ScriptService
+}
+
+func NewJobsHandlers(cmder *commander.Commander, svc *service.ScriptService) JobsHandlers {
+	return JobsHandlers{cmder: cmder, svc: svc}
+}
+
+type AddJobIn struct {
+	Command       string  `json:"command" binding:"required"`
+	InterpreterID int64   `json:"interpreter_id"`
+	Stdin         *string `json:"stdin"`
+	AgentID       string  `json:"agent_id" binding:"required"`
+}
+type AddJobOut struct {
+	ID      int64    `json:"id"`
+	Command []string `json:"command"`
+	Stdin   *string  `json:"stdin"`
+	Stdout  string   `json:"stdout"`
+	Stderr  string   `json:"stderr"`
+	Status  int32    `json:"status"`
+}
+
+// AddJob creates and executes a job on a target agent.
+// @Summary Create and run a job on an agent
+// @Description Sends a command to the specified agent, waits for execution, and returns the result
+// @Tags jobs
+// @Accept json
+// @Produce json
+// @Param body body AddJobIn true "Job request"
+// @Success 201 {object} AddJobOut
+// @Router /jobs [post]
+func (self *JobsHandlers) AddJob(c *gin.Context) {
+	log.Printf("[DEBUG] AddJob handler: request received")
+	err := func() error {
+		var in AddJobIn
+		if err := c.Bind(&in); err != nil {
+			log.Printf("[DEBUG] AddJob handler: bind failed: %v", err)
+			return err
+		}
+		log.Printf("[DEBUG] AddJob handler: agent_id=%s, command=%s, interpreter_id=%d", in.AgentID, in.Command, in.InterpreterID)
+		agent, ok := self.cmder.GetAgent(in.AgentID)
+		if !ok {
+			log.Printf("[DEBUG] AddJob handler: agent %s not found", in.AgentID)
+			c.Status(http.StatusNotFound)
+			return fmt.Errorf("agent not found")
+		}
+		log.Printf("[DEBUG] AddJob handler: agent found, resolving command")
+
+		var command []string
+		if in.InterpreterID == 0 {
+			command = []string{"sh", "-c", in.Command}
+		} else {
+			var err error
+			command, err = self.svc.ResolveCommand(c.Request.Context(), in.InterpreterID, in.Command)
+			if err != nil {
+				log.Printf("[DEBUG] AddJob handler: ResolveCommand failed: %v", err)
+				return err
+			}
+		}
+
+		log.Printf("[DEBUG] AddJob handler: calling agent.AddJob with command=%v", command)
+		jid, err := agent.AddJob(models.JobForInsert{
+			Command: command,
+			Stdin:   in.Stdin,
+		})
+		if err != nil {
+			log.Printf("[DEBUG] AddJob handler: agent.AddJob failed: %v", err)
+			return err
+		}
+		log.Printf("[DEBUG] AddJob handler: agent.AddJob returned jid=%d, calling WaitJob", jid)
+		job, err := agent.WaitJob(jid)
+		if err != nil {
+			log.Printf("[DEBUG] AddJob handler: agent.WaitJob failed: %v", err)
+			return err
+		}
+		log.Printf("[DEBUG] AddJob handler: agent.WaitJob returned job id=%d, status=%d", job.ID, job.Status)
+		c.JSON(http.StatusCreated, AddJobOut{
+			ID:      job.ID,
+			Command: job.Command,
+			Stdin:   job.Stdin,
+			Stdout:  job.Stdout,
+			Stderr:  job.Stderr,
+			Status:  job.Status,
+		})
+		log.Printf("[DEBUG] AddJob handler: response sent")
+		return nil
+	}()
+	if err != nil {
+		c.Error(err)
+	}
+}

backend/internal/handlers/logs.go

@@ -0,0 +1,235 @@
+package handlers
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
+	"github.com/gin-gonic/gin"
+)
+
+type LogHandlers struct {
+	LogRepo *repository.LogRepository
+}
+
+func NewLogHandlers(logRepo *repository.LogRepository) *LogHandlers {
+	return &LogHandlers{LogRepo: logRepo}
+}
+
+type InsertLogRequest struct {
+	Timestamp time.Time `json:"timestamp"`
+	Level     string    `json:"level" binding:"required"`
+	Service   string    `json:"service" binding:"required"`
+	Agent     string    `json:"agent" binding:"required"`
+	Message   string    `json:"message" binding:"required"`
+}
+
+// @Summary Insert log entry
+// @Description Inserts a single log entry into ClickHouse
+// @Tags logs
+// @Accept json
+// @Produce json
+// @Param body body InsertLogRequest true "Log entry"
+// @Success 201 {object} map[string]string
+// @Security Bearer
+// @Router /logs [post]
+func (lh *LogHandlers) Insert(c *gin.Context) {
+	var req InsertLogRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if req.Timestamp.IsZero() {
+		req.Timestamp = time.Now()
+	}
+
+	log := storage.LogEntry{
+		Timestamp: req.Timestamp,
+		Level:     req.Level,
+		Service:   req.Service,
+		Agent:     req.Agent,
+		Message:   req.Message,
+	}
+
+	if err := lh.LogRepo.Insert(c.Request.Context(), log); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to insert log"})
+		return
+	}
+
+	c.JSON(http.StatusCreated, gin.H{"status": "ok"})
+}
+
+type InsertLogsRequest struct {
+	Logs []InsertLogRequest `json:"logs" binding:"required"`
+}
+
+// @Summary Insert log entries (batch)
+// @Description Inserts multiple log entries into ClickHouse
+// @Tags logs
+// @Accept json
+// @Produce json
+// @Param body body InsertLogsRequest true "Log entries"
+// @Success 201 {object} map[string]string
+// @Security Bearer
+// @Router /logs/batch [post]
+func (lh *LogHandlers) InsertBatch(c *gin.Context) {
+	var req InsertLogsRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	logs := make([]storage.LogEntry, len(req.Logs))
+	for i, l := range req.Logs {
+		if l.Timestamp.IsZero() {
+			l.Timestamp = time.Now()
+		}
+		logs[i] = storage.LogEntry{
+			Timestamp: l.Timestamp,
+			Level:     l.Level,
+			Service:   l.Service,
+			Agent:     l.Agent,
+			Message:   l.Message,
+		}
+	}
+
+	if err := lh.LogRepo.InsertBatch(c.Request.Context(), logs); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to insert logs"})
+		return
+	}
+
+	c.JSON(http.StatusCreated, gin.H{"status": "ok", "count": len(logs)})
+}
+
+type SearchLogsRequest struct {
+	Level   string `form:"level"`
+	Service string `form:"service"`
+	Agent   string `form:"agent"`
+	DateFrom string `form:"date_from"`
+	DateTo   string `form:"date_to"`
+	Limit   int    `form:"limit"`
+	Offset  int    `form:"offset"`
+}
+
+// @Summary Search logs
+// @Description Searches logs with various filters
+// @Tags logs
+// @Produce json
+// @Param level query string false "Log level (INFO, WARNING, ERROR, FATAL)"
+// @Param service query string false "Service name"
+// @Param agent query string false "Agent name"
+// @Param date_from query string false "Date from (RFC3339)"
+// @Param date_to query string false "Date to (RFC3339)"
+// @Param limit query int false "Limit results" default(100)
+// @Param offset query int false "Offset results" default(0)
+// @Success 200 {array} storage.LogEntry
+// @Security Bearer
+// @Router /logs [get]
+func (lh *LogHandlers) Search(c *gin.Context) {
+	var req SearchLogsRequest
+	if err := c.ShouldBindQuery(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	filter := repository.LogFilter{
+		Level:   req.Level,
+		Service: req.Service,
+		Agent:   req.Agent,
+		Limit:   req.Limit,
+		Offset:  req.Offset,
+	}
+
+	if req.DateFrom != "" {
+		if t, err := time.Parse(time.RFC3339, req.DateFrom); err == nil {
+			filter.DateFrom = t
+		}
+	}
+
+	if req.DateTo != "" {
+		if t, err := time.Parse(time.RFC3339, req.DateTo); err == nil {
+			filter.DateTo = t
+		}
+	}
+
+	if filter.Limit <= 0 {
+		filter.Limit = 100
+	}
+
+	logs, err := lh.LogRepo.Search(c.Request.Context(), filter)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to search logs"})
+		return
+	}
+
+	c.JSON(http.StatusOK, logs)
+}
+
+// @Summary Get distinct services
+// @Description Returns list of all unique service names in logs
+// @Tags logs
+// @Produce json
+// @Success 200 {array} string
+// @Security Bearer
+// @Router /logs/services [get]
+func (lh *LogHandlers) GetServices(c *gin.Context) {
+	services, err := lh.LogRepo.GetDistinctServices(c.Request.Context())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get services"})
+		return
+	}
+
+	if services == nil {
+		services = []string{}
+	}
+
+	c.JSON(http.StatusOK, services)
+}
+
+// @Summary Get distinct agents
+// @Description Returns list of all unique agent names in logs
+// @Tags logs
+// @Produce json
+// @Success 200 {array} string
+// @Security Bearer
+// @Router /logs/agents [get]
+func (lh *LogHandlers) GetAgents(c *gin.Context) {
+	agents, err := lh.LogRepo.GetDistinctAgents(c.Request.Context())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get agents"})
+		return
+	}
+
+	if agents == nil {
+		agents = []string{}
+	}
+
+	c.JSON(http.StatusOK, agents)
+}
+
+// @Summary Get distinct log levels
+// @Description Returns list of all unique log levels in logs
+// @Tags logs
+// @Produce json
+// @Success 200 {array} string
+// @Security Bearer
+// @Router /logs/levels [get]
+func (lh *LogHandlers) GetLevels(c *gin.Context) {
+	levels, err := lh.LogRepo.GetDistinctLevels(c.Request.Context())
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get levels"})
+		return
+	}
+
+	if levels == nil {
+		levels = []string{}
+	}
+
+	c.JSON(http.StatusOK, levels)
+}
+
+// Ensure context is used
+var _ = context.Background

backend/internal/handlers/logs_mock.go

@@ -0,0 +1,203 @@
+package handlers
+
+import (
+	"math/rand"
+	"net/http"
+	"strconv"
+	"time"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
+	"github.com/gin-gonic/gin"
+)
+
+// GetMockLogs returns 100 mock log entries for frontend development
+// @Summary Get mock logs
+// @Description Returns 100 mock log entries for frontend development (no ClickHouse required)
+// @Tags logs
+// @Produce json
+// @Param level query string false "Filter by level"
+// @Param service query string false "Filter by service"
+// @Param agent query string false "Filter by agent"
+// @Param limit query int false "Limit results" default(100)
+// @Param offset query int false "Offset results" default(0)
+// @Success 200 {array} storage.LogEntry
+// @Security Bearer
+// @Router /logs/mock [get]
+func (lh *LogHandlers) GetMockLogs(c *gin.Context) {
+	levelFilter := c.Query("level")
+	serviceFilter := c.Query("service")
+	agentFilter := c.Query("agent")
+
+	limit := 100
+	offset := 0
+
+	if l := c.Query("limit"); l != "" {
+		if parsed, err := strconv.Atoi(l); err == nil && parsed > 0 {
+			limit = parsed
+		}
+	}
+	if o := c.Query("offset"); o != "" {
+		if parsed, err := strconv.Atoi(o); err == nil && parsed >= 0 {
+			offset = parsed
+		}
+	}
+
+	logs := generateMockLogs(100)
+
+	// Apply filters
+	var filtered []storage.LogEntry
+	for _, log := range logs {
+		if levelFilter != "" && log.Level != levelFilter {
+			continue
+		}
+		if serviceFilter != "" && log.Service != serviceFilter {
+			continue
+		}
+		if agentFilter != "" && log.Agent != agentFilter {
+			continue
+		}
+		filtered = append(filtered, log)
+	}
+
+	// Apply pagination
+	end := offset + limit
+	if end > len(filtered) {
+		end = len(filtered)
+	}
+	if offset > len(filtered) {
+		filtered = []storage.LogEntry{}
+	} else {
+		filtered = filtered[offset:end]
+	}
+
+	c.JSON(http.StatusOK, filtered)
+}
+
+func generateMockLogs(count int) []storage.LogEntry {
+	services := []string{
+		"auth-service",
+		"user-service",
+		"agent-service",
+		"gateway",
+		"scheduler",
+		"notification-service",
+		"metrics-collector",
+		"deployment-service",
+	}
+
+	agents := []string{
+		"agent-prod-01",
+		"agent-prod-02",
+		"agent-staging-01",
+		"agent-dev-01",
+		"agent-dev-02",
+		"agent-monitoring-01",
+		"agent-backup-01",
+		"agent-ci-runner-01",
+	}
+
+	levels := []string{"INFO", "WARNING", "ERROR", "FATAL", "DEBUG"}
+	levelWeights := []int{50, 20, 15, 5, 10} // weighted distribution
+
+	messages := map[string][]string{
+		"INFO": {
+			"Service started successfully",
+			"Health check passed",
+			"Configuration loaded",
+			"Connection established to database",
+			"Cache refreshed successfully",
+			"Request processed in 45ms",
+			"User login successful",
+			"Agent registered successfully",
+			"Deployment completed for 3 servers",
+			"Metrics exported to storage",
+			"Backup completed successfully",
+			"SSL certificate valid for 89 days",
+			"Task scheduled: cleanup-temp-files",
+			"Webhook delivered successfully",
+			"Session created for user admin",
+		},
+		"WARNING": {
+			"High memory usage detected: 85%",
+			"Slow query detected: 2.3s",
+			"Rate limit approaching for client 192.168.1.50",
+			"Certificate expires in 7 days",
+			"Retry attempt 2/3 for request",
+			"Disk usage above threshold: 78%",
+			"Connection pool nearly exhausted: 45/50",
+			"Deprecated API endpoint called: /api/v1/legacy",
+			"Response time exceeded SLA: 1.2s > 1s",
+			"Agent heartbeat delayed by 5s",
+		},
+		"ERROR": {
+			"Failed to connect to database: timeout after 30s",
+			"Authentication failed for user test_user",
+			"Agent deployment failed: SSH connection refused",
+			"Failed to send notification: SMTP server unavailable",
+			"Request failed with status 500",
+			"File not found: /etc/hellreign/config.yml",
+			"Invalid token provided",
+			"Permission denied for user viewer",
+			"Failed to parse configuration: invalid YAML",
+			"Agent unreachable: connection timeout",
+		},
+		"FATAL": {
+			"Out of memory: cannot allocate 512MB",
+			"Database connection lost, all retries exhausted",
+			"Critical: SSL certificate expired",
+			"Unrecoverable error: data corruption detected",
+			"Service crashed: segmentation fault",
+		},
+		"DEBUG": {
+			"Processing request payload: 2.3KB",
+			"Cache hit ratio: 78%",
+			"Executing query: SELECT * FROM logs WHERE...",
+			"HTTP request headers: {Content-Type: application/json}",
+			"Agent status check: 8 agents online",
+			"Memory allocation: 256MB used of 1024MB",
+			"Thread pool size: 12 active, 4 idle",
+			"GC pause: 15ms",
+		},
+	}
+
+	r := rand.New(rand.NewSource(42)) // fixed seed for reproducibility
+
+	var logs []storage.LogEntry
+	now := time.Now()
+
+	for i := 0; i < count; i++ {
+		level := weightedRandom(r, levels, levelWeights)
+		service := services[r.Intn(len(services))]
+		agent := agents[r.Intn(len(agents))]
+		msgs := messages[level]
+		message := msgs[r.Intn(len(msgs))]
+
+		// Spread logs over the last 24 hours
+		timestamp := now.Add(-time.Duration(count-i) * time.Minute * 15)
+
+		logs = append(logs, storage.LogEntry{
+			Timestamp: timestamp,
+			Level:     level,
+			Service:   service,
+			Agent:     agent,
+			Message:   message,
+		})
+	}
+
+	return logs
+}
+
+func weightedRandom(r *rand.Rand, items []string, weights []int) string {
+	total := 0
+	for _, w := range weights {
+		total += w
+	}
+	n := r.Intn(total)
+	for i, w := range weights {
+		n -= w
+		if n < 0 {
+			return items[i]
+		}
+	}
+	return items[len(items)-1]
+}

backend/internal/handlers/middlewares.go

@@ -0,0 +1,86 @@
+package handlers
+
+import (
+	"net/http"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+	"github.com/gin-gonic/gin"
+)
+
+// TokenContextKey is the context key for storing authenticated token info.
+type TokenContextKey string
+
+const tokenContextKey TokenContextKey = "token"
+
+// AuthMiddleware validates that a Bearer token exists and is valid.
+// It stores the token info in the context for later use.
+// Returns 401 if token is missing or invalid.
+func (ag *AuthGroup) AuthMiddleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		token := getTokenFromHeader(c)
+		if token == "" {
+			c.JSON(http.StatusUnauthorized, gin.H{"error": "missing authorization header"})
+			c.Abort()
+			return
+		}
+
+		// Look up user by token value
+		tokens, err := ag.Repo.GetToken(token)
+		if err != nil {
+			c.JSON(http.StatusUnauthorized, gin.H{"error": "invalid token"})
+			c.Abort()
+			return
+		}
+
+		c.Set(string(tokenContextKey), tokens)
+		c.Next()
+	}
+}
+
+// RequirePermission is a generic permission checker.
+func RequirePermission(check func(*repository.Tokens) bool) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		tokenVal, exists := c.Get(string(tokenContextKey))
+		if !exists {
+			c.JSON(http.StatusForbidden, gin.H{"error": "authentication required"})
+			c.Abort()
+			return
+		}
+
+		token, ok := tokenVal.(*repository.Tokens)
+		if !ok {
+			c.JSON(http.StatusForbidden, gin.H{"error": "invalid token context"})
+			c.Abort()
+			return
+		}
+
+		if !check(token) {
+			c.JSON(http.StatusForbidden, gin.H{"error": "insufficient permissions"})
+			c.Abort()
+			return
+		}
+
+		c.Next()
+	}
+}
+
+// RequireView requires permission_view.
+func RequireView() gin.HandlerFunc {
+	return RequirePermission(func(t *repository.Tokens) bool {
+		return t.PermissionView
+	})
+}
+
+// RequireManageAgent requires permission_manage_agent.
+func RequireManageAgent() gin.HandlerFunc {
+	return RequirePermission(func(t *repository.Tokens) bool {
+		return t.PermissionManage
+	})
+}
+
+// RequireAdmin requires permission_admin.
+func RequireAdmin() gin.HandlerFunc {
+	return RequirePermission(func(t *repository.Tokens) bool {
+		return t.PermissionAdmin
+	})
+}

backend/internal/handlers/scripts.go

@@ -0,0 +1,206 @@
+package handlers
+
+import (
+	"fmt"
+	"net/http"
+	"strconv"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/grpcsrv/commander"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/models"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/service"
+	"github.com/gin-gonic/gin"
+)
+
+type ScriptHandlers struct {
+	svc   *service.ScriptService
+	cmder *commander.Commander
+}
+
+func NewScriptHandlers(svc *service.ScriptService, cmder *commander.Commander) ScriptHandlers {
+	return ScriptHandlers{svc: svc, cmder: cmder}
+}
+
+// RunScript executes a script on a target agent.
+// @Summary Run a script on an agent
+// @Description Resolves interpreter argv[] and sends the full command to the agent
+// @Tags scripts
+// @Accept json
+// @Produce json
+// @Param body body RunScriptIn true "Script request"
+// @Success 201 {object} RunScriptOut
+// @Router /scripts/run [post]
+func (self *ScriptHandlers) RunScript(c *gin.Context) {
+	err := func() error {
+		type RunScriptIn struct {
+			AgentID        string `json:"agent_id" binding:"required"`
+			InterpreterID  int64  `json:"interpreter_id" binding:"required"`
+			ScriptText     string `json:"script_text" binding:"required"`
+			Stdin          *string `json:"stdin"`
+		}
+		var in RunScriptIn
+		if err := c.Bind(&in); err != nil {
+			return err
+		}
+
+		command, err := self.svc.ResolveCommand(c.Request.Context(), in.InterpreterID, in.ScriptText)
+		if err != nil {
+			return err
+		}
+
+		agent, ok := self.cmder.GetAgent(in.AgentID)
+		if !ok {
+			c.Status(http.StatusNotFound)
+			return fmt.Errorf("agent not found")
+		}
+
+		jid, err := agent.AddJob(models.JobForInsert{
+			Command: command,
+			Stdin:   in.Stdin,
+		})
+		if err != nil {
+			return err
+		}
+
+		job, err := agent.WaitJob(jid)
+		if err != nil {
+			return err
+		}
+
+		type RunScriptOut struct {
+			ID      int64    `json:"id"`
+			Command []string `json:"command"`
+			Stdin   *string  `json:"stdin"`
+			Stdout  string   `json:"stdout"`
+			Stderr  string   `json:"stderr"`
+			Status  int32    `json:"status"`
+		}
+		c.JSON(http.StatusCreated, RunScriptOut{
+			ID:      job.ID,
+			Command: job.Command,
+			Stdin:   job.Stdin,
+			Stdout:  job.Stdout,
+			Stderr:  job.Stderr,
+			Status:  job.Status,
+		})
+		return nil
+	}()
+	if err != nil {
+		c.Error(err)
+	}
+}
+
+// ListInterpreters returns all registered script interpreters.
+// @Summary List interpreters
+// @Description Returns all script interpreters available in the system
+// @Tags scripts
+// @Produce json
+// @Success 200 {array} repository.ScriptInterpreter
+// @Router /scripts/interpreters [get]
+func (self *ScriptHandlers) ListInterpreters(c *gin.Context) {
+	interpreters, err := self.svc.List(c.Request.Context())
+	if err != nil {
+		c.Error(err)
+		return
+	}
+	c.JSON(http.StatusOK, interpreters)
+}
+
+// CreateInterpreter registers a new script interpreter.
+// @Summary Create interpreter
+// @Description Registers a new script interpreter with name, label, and argv
+// @Tags scripts
+// @Accept json
+// @Produce json
+// @Param body body repository.ScriptInterpreterCreate true "Interpreter definition"
+// @Success 201 {object} repository.ScriptInterpreter
+// @Router /scripts/interpreters [post]
+func (self *ScriptHandlers) CreateInterpreter(c *gin.Context) {
+	var in repository.ScriptInterpreterCreate
+	if err := c.BindJSON(&in); err != nil {
+		c.Error(err)
+		return
+	}
+
+	si, err := self.svc.Create(c.Request.Context(), in)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+	c.JSON(http.StatusCreated, si)
+}
+
+// GetInterpreter returns a single interpreter by ID.
+// @Summary Get interpreter
+// @Description Returns a script interpreter by ID
+// @Tags scripts
+// @Produce json
+// @Param id path int true "Interpreter ID"
+// @Success 200 {object} repository.ScriptInterpreter
+// @Router /scripts/interpreters/:id [get]
+func (self *ScriptHandlers) GetInterpreter(c *gin.Context) {
+	id, err := strconv.ParseInt(c.Param("id"), 10, 64)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	si, err := self.svc.GetByID(c.Request.Context(), id)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+	c.JSON(http.StatusOK, si)
+}
+
+// UpdateInterpreter updates an interpreter.
+// @Summary Update interpreter
+// @Description Updates fields of a script interpreter
+// @Tags scripts
+// @Accept json
+// @Produce json
+// @Param id path int true "Interpreter ID"
+// @Param body body repository.ScriptInterpreterUpdate true "Interpreter fields"
+// @Success 200 {object} repository.ScriptInterpreter
+// @Router /scripts/interpreters/:id [put]
+func (self *ScriptHandlers) UpdateInterpreter(c *gin.Context) {
+	id, err := strconv.ParseInt(c.Param("id"), 10, 64)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	var in repository.ScriptInterpreterUpdate
+	if err := c.BindJSON(&in); err != nil {
+		c.Error(err)
+		return
+	}
+
+	si, err := self.svc.Update(c.Request.Context(), id, in)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+	c.JSON(http.StatusOK, si)
+}
+
+// DeleteInterpreter removes an interpreter.
+// @Summary Delete interpreter
+// @Description Removes a script interpreter by ID
+// @Tags scripts
+// @Param id path int true "Interpreter ID"
+// @Success 204
+// @Router /scripts/interpreters/:id [delete]
+func (self *ScriptHandlers) DeleteInterpreter(c *gin.Context) {
+	id, err := strconv.ParseInt(c.Param("id"), 10, 64)
+	if err != nil {
+		c.Error(err)
+		return
+	}
+
+	if err := self.svc.Delete(c.Request.Context(), id); err != nil {
+		c.Error(err)
+		return
+	}
+	c.Status(http.StatusNoContent)
+}

backend/internal/models/job.go

@@ -0,0 +1,17 @@
+package models
+
+type Job struct {
+	ID int64
+
+	JobForInsert
+	JobForUpdate
+}
+type JobForInsert struct {
+	Command []string
+	Stdin   *string
+}
+type JobForUpdate struct {
+	Stdout string
+	Stderr string
+	Status int32
+}

backend/internal/repository/job_repository.go

@@ -0,0 +1,90 @@
+package repository
+
+import (
+	"context"
+	"database/sql"
+	"encoding/json"
+	"fmt"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/models"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
+)
+
+type JobRepository struct {
+	DB *sql.DB
+}
+
+func NewJobRepository(db *sql.DB) *JobRepository {
+	return &JobRepository{DB: db}
+}
+
+func (r *JobRepository) Init(ctx context.Context) error {
+	_, err := r.DB.ExecContext(ctx, storage.CreateJobsTable)
+	return err
+}
+
+func (r *JobRepository) InitJob(ctx context.Context, agentID string, job models.JobForInsert) (int64, error) {
+	commandJSON, err := json.Marshal(job.Command)
+	if err != nil {
+		return 0, fmt.Errorf("marshal command: %w", err)
+	}
+
+	var stdinVal *string
+	if job.Stdin != nil {
+		stdinVal = job.Stdin
+	}
+
+	result, err := r.DB.ExecContext(ctx,
+		`INSERT INTO jobs (agent_id, command, stdin, stdout, stderr, status) VALUES (?, ?, ?, '', '', 0)`,
+		agentID, string(commandJSON), stdinVal,
+	)
+	if err != nil {
+		return 0, err
+	}
+
+	return result.LastInsertId()
+}
+
+func (r *JobRepository) UpdateJobInDB(ctx context.Context, jid int64, msg models.JobForUpdate) (models.Job, error) {
+	result, err := r.DB.ExecContext(ctx,
+		`UPDATE jobs SET stdout = ?, stderr = ?, status = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?`,
+		msg.Stdout, msg.Stderr, msg.Status, jid,
+	)
+	if err != nil {
+		return models.Job{}, err
+	}
+
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return models.Job{}, err
+	}
+	if affected == 0 {
+		return models.Job{}, ErrNotFound
+	}
+
+	return r.GetJobByID(ctx, jid)
+}
+
+func (r *JobRepository) GetJobByID(ctx context.Context, jid int64) (models.Job, error) {
+	var job models.Job
+	var commandJSON string
+	var stdinVal *string
+
+	err := r.DB.QueryRowContext(ctx,
+		`SELECT id, command, stdin, stdout, stderr, status FROM jobs WHERE id = ?`,
+		jid,
+	).Scan(&job.ID, &commandJSON, &stdinVal, &job.Stdout, &job.Stderr, &job.Status)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return models.Job{}, ErrNotFound
+		}
+		return models.Job{}, err
+	}
+
+	if err := json.Unmarshal([]byte(commandJSON), &job.JobForInsert.Command); err != nil {
+		return models.Job{}, fmt.Errorf("unmarshal command: %w", err)
+	}
+
+	job.JobForInsert.Stdin = stdinVal
+	return job, nil
+}

backend/internal/repository/log_repository.go

@@ -0,0 +1,236 @@
+package repository
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"sync"
+	"time"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
+)
+
+type LogRepository struct {
+	mu sync.RWMutex
+	DB *sql.DB
+}
+
+func NewLogRepository() *LogRepository {
+	return &LogRepository{}
+}
+
+func (r *LogRepository) SetDB(db *sql.DB) {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	r.DB = db
+}
+
+func (r *LogRepository) IsConnected() bool {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+	return r.DB != nil
+}
+
+func (r *LogRepository) getDB() *sql.DB {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+	return r.DB
+}
+
+func (r *LogRepository) Init(ctx context.Context) error {
+	db := r.getDB()
+	if db == nil {
+		return nil
+	}
+	_, err := db.ExecContext(ctx, storage.CreateLogsTable)
+	return err
+}
+
+func (r *LogRepository) Insert(ctx context.Context, log storage.LogEntry) error {
+	db := r.getDB()
+	if db == nil {
+		return nil
+	}
+	_, err := db.ExecContext(ctx, `
+		INSERT INTO logs (timestamp, level, service, agent, message)
+		VALUES ($1, $2, $3, $4, $5)
+	`, log.Timestamp, log.Level, log.Service, log.Agent, log.Message)
+	return err
+}
+
+func (r *LogRepository) InsertBatch(ctx context.Context, logs []storage.LogEntry) error {
+	db := r.getDB()
+	if db == nil {
+		return nil
+	}
+	if len(logs) == 0 {
+		return nil
+	}
+
+	// Build multi-row INSERT statement
+	query := "INSERT INTO logs (timestamp, level, service, agent, message) VALUES "
+	args := make([]interface{}, 0, len(logs)*5)
+	for i, log := range logs {
+		if i > 0 {
+			query += ", "
+		}
+		query += fmt.Sprintf("($%d, $%d, $%d, $%d, $%d)",
+			i*5+1, i*5+2, i*5+3, i*5+4, i*5+5)
+		args = append(args, log.Timestamp, log.Level, log.Service, log.Agent, log.Message)
+	}
+
+	_, err := db.ExecContext(ctx, query, args...)
+	return err
+}
+
+type LogFilter struct {
+	Level   string
+	Service string
+	Agent   string
+	DateFrom time.Time
+	DateTo   time.Time
+	Limit   int
+	Offset  int
+}
+
+func (r *LogRepository) Search(ctx context.Context, filter LogFilter) ([]storage.LogEntry, error) {
+	db := r.getDB()
+	if db == nil {
+		return []storage.LogEntry{}, nil
+	}
+
+	query := "SELECT timestamp, level, service, agent, message FROM logs WHERE 1=1"
+	args := make([]interface{}, 0)
+	argIdx := 1
+
+	if filter.Level != "" {
+		query += " AND level = $" + string(rune('0'+argIdx))
+		args = append(args, filter.Level)
+		argIdx++
+	}
+
+	if filter.Service != "" {
+		query += " AND service = $" + string(rune('0'+argIdx))
+		args = append(args, filter.Service)
+		argIdx++
+	}
+
+	if filter.Agent != "" {
+		query += " AND agent = $" + string(rune('0'+argIdx))
+		args = append(args, filter.Agent)
+		argIdx++
+	}
+
+	if !filter.DateFrom.IsZero() {
+		query += " AND timestamp >= $" + string(rune('0'+argIdx))
+		args = append(args, filter.DateFrom)
+		argIdx++
+	}
+
+	if !filter.DateTo.IsZero() {
+		query += " AND timestamp <= $" + string(rune('0'+argIdx))
+		args = append(args, filter.DateTo)
+		argIdx++
+	}
+
+	query += " ORDER BY timestamp DESC"
+
+	if filter.Limit > 0 {
+		query += " LIMIT $" + string(rune('0'+argIdx))
+		args = append(args, filter.Limit)
+		argIdx++
+	} else {
+		query += " LIMIT 100"
+	}
+
+	if filter.Offset > 0 {
+		query += " OFFSET $" + string(rune('0'+argIdx))
+		args = append(args, filter.Offset)
+	}
+
+	rows, err := db.QueryContext(ctx, query, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	logs := make([]storage.LogEntry, 0)
+	for rows.Next() {
+		var log storage.LogEntry
+		if err := rows.Scan(&log.Timestamp, &log.Level, &log.Service, &log.Agent, &log.Message); err != nil {
+			return nil, err
+		}
+		logs = append(logs, log)
+	}
+
+	return logs, rows.Err()
+}
+
+func (r *LogRepository) GetDistinctServices(ctx context.Context) ([]string, error) {
+	db := r.getDB()
+	if db == nil {
+		return []string{}, nil
+	}
+	rows, err := db.QueryContext(ctx, "SELECT DISTINCT service FROM logs ORDER BY service")
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	services := make([]string, 0)
+	for rows.Next() {
+		var service string
+		if err := rows.Scan(&service); err != nil {
+			return nil, err
+		}
+		services = append(services, service)
+	}
+
+	return services, rows.Err()
+}
+
+func (r *LogRepository) GetDistinctAgents(ctx context.Context) ([]string, error) {
+	db := r.getDB()
+	if db == nil {
+		return []string{}, nil
+	}
+	rows, err := db.QueryContext(ctx, "SELECT DISTINCT agent FROM logs ORDER BY agent")
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	agents := make([]string, 0)
+	for rows.Next() {
+		var agent string
+		if err := rows.Scan(&agent); err != nil {
+			return nil, err
+		}
+		agents = append(agents, agent)
+	}
+
+	return agents, rows.Err()
+}
+
+func (r *LogRepository) GetDistinctLevels(ctx context.Context) ([]string, error) {
+	db := r.getDB()
+	if db == nil {
+		return []string{}, nil
+	}
+	rows, err := db.QueryContext(ctx, "SELECT DISTINCT level FROM logs ORDER BY level")
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	levels := make([]string, 0)
+	for rows.Next() {
+		var level string
+		if err := rows.Scan(&level); err != nil {
+			return nil, err
+		}
+		levels = append(levels, level)
+	}
+
+	return levels, rows.Err()
+}

backend/internal/repository/models.go

@@ -0,0 +1,143 @@
+package repository
+
+// Tokens represents a user record with info and permissions.
+type Tokens struct {
+	ID                int64  `json:"id"`
+	Name              string `json:"name"`
+	LastName          string `json:"last_name"`
+	Login             string `json:"login"`
+	Token             string `json:"token"`
+	PermissionView    bool   `json:"permission_view"`
+	PermissionManage  bool   `json:"permission_manage_agent"`
+	PermissionAdmin   bool   `json:"permission_admin"`
+	IsActive          bool   `json:"is_active"`
+}
+
+// TokenCreate is the request body for creating a new user.
+type TokenCreate struct {
+	Name             string `json:"name" binding:"required"`
+	LastName         string `json:"last_name" binding:"required"`
+	Login            string `json:"login" binding:"required"`
+	Password         string `json:"password" binding:"required"`
+	PermissionView   bool   `json:"permission_view"`
+	PermissionManage bool   `json:"permission_manage_agent"`
+	PermissionAdmin  bool   `json:"permission_admin"`
+	IsActive         bool   `json:"is_active"`
+}
+
+// TokenUpdate is the request body for updating an existing user.
+type TokenUpdate struct {
+	Name     string `json:"name"`
+	LastName string `json:"last_name"`
+}
+
+// TokenUpdatePermissions is the request body for updating user permissions.
+type TokenUpdatePermissions struct {
+	PermissionView   *bool `json:"permission_view"`
+	PermissionManage *bool `json:"permission_manage_agent"`
+	PermissionAdmin  *bool `json:"permission_admin"`
+	IsActive         *bool `json:"is_active"`
+}
+
+// TokenPasswordReset is the request body for resetting a user's password.
+type TokenPasswordReset struct {
+	NewPassword string `json:"new_password" binding:"required"`
+}
+
+// BatchActionRequest is the request body for batch activate/deactivate users.
+type BatchActionRequest struct {
+	Logins []string `json:"logins" binding:"required,min=1"`
+}
+
+// LoginRequest is the request body for login.
+type LoginRequest struct {
+	Login    string `json:"login" binding:"required"`
+	Password string `json:"password" binding:"required"`
+}
+
+// LoginResponse is returned after successful login.
+type LoginResponse struct {
+	Token            string `json:"token"`
+	Name             string `json:"name"`
+	LastName         string `json:"last_name"`
+	Login            string `json:"login"`
+	PermissionView   bool   `json:"permission_view"`
+	PermissionManage bool   `json:"permission_manage_agent"`
+	PermissionAdmin  bool   `json:"permission_admin"`
+	IsActive         bool   `json:"is_active"`
+}
+
+// RegistrationToken represents a one-time agent registration token.
+type RegistrationToken struct {
+	ID        int64   `json:"id"`
+	Token     string  `json:"token"`
+	Label     string  `json:"label"`
+	Used      bool    `json:"used"`
+	CreatedAt *string `json:"created_at"`
+	UsedAt    *string `json:"used_at"`
+}
+
+// RegistrationRequest is the request body for creating a registration token.
+type RegistrationRequest struct {
+	Label string `json:"label" binding:"required"`
+}
+
+// RegistrationResponse is returned when an agent registers.
+type RegistrationResponse struct {
+	CACert     string `json:"ca_cert"`
+	ClientCert string `json:"client_cert"`
+}
+
+// DeployType represents the type of agent deployment
+// @Description Type of deployment: docker or binary
+type DeployType string
+
+const (
+	DeployTypeDocker DeployType = "docker"
+	DeployTypeBinary DeployType = "binary"
+)
+
+// AuthMethod represents the SSH authentication method
+// @Description SSH authentication method: key or password
+type AuthMethod string
+
+const (
+	AuthMethodKey      AuthMethod = "key"
+	AuthMethodPassword AuthMethod = "password"
+)
+
+// AgentDeployConfig represents the configuration for deploying an agent to a server
+// @Description Configuration for deploying HellreigN agent to a single server
+type AgentDeployConfig struct {
+	User       string     `json:"user" binding:"required" example:"admin" description:"SSH username"`
+	IP         string     `json:"ip" binding:"required" example:"192.168.1.100" description:"Server IP address"`
+	Port       int        `json:"port" example:"22" description:"SSH port (default: 22)"`
+	AuthMethod AuthMethod `json:"authMethod" binding:"required" example:"key" description:"SSH auth method: key or password"`
+	SSHKey     string     `json:"sshKey,omitempty" example:"-----BEGIN OPENSSH PRIVATE KEY-----" description:"SSH private key (required if authMethod=key)"`
+	Password   string     `json:"password,omitempty" example:"secret" description:"SSH password (required if authMethod=password)"`
+	DeployType DeployType `json:"deployType" binding:"required" example:"docker" description:"Deployment type: docker or binary"`
+	AgentLabel string     `json:"agentLabel" binding:"required" example:"production-server-1" description:"Unique label for the agent"`
+}
+
+// DeployAgentsRequest represents the request body for deploying agents to multiple servers
+// @Description Request to deploy HellreigN agents to multiple servers
+type DeployAgentsRequest struct {
+	Servers []AgentDeployConfig `json:"servers" binding:"required,min=1,dive" description:"List of server configurations"`
+}
+
+// DeployResponse represents the response after deploying agents
+// @Description Response containing deployment results and registration tokens
+type DeployResponse struct {
+	Message string         `json:"message" example:"Deployment completed"`
+	Results []DeployResult `json:"results" description:"Deployment results for each server"`
+}
+
+// DeployResult represents the result of deploying to a single server
+// @Description Result of deploying to a single server
+type DeployResult struct {
+	IP         string `json:"ip" example:"192.168.1.100" description:"Server IP address"`
+	AgentLabel string `json:"agent_label" example:"production-server-1" description:"Agent label"`
+	Token      string `json:"token" example:"abc123..." description:"Registration token for agent registration"`
+	Success    bool   `json:"success" example:"true" description:"Whether deployment succeeded"`
+	Error      string `json:"error,omitempty" example:"" description:"Error message if deployment failed"`
+}

backend/internal/repository/repository.go

@@ -0,0 +1,462 @@
+package repository
+
+import (
+	"database/sql"
+	"errors"
+	"strconv"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/utils"
+	"golang.org/x/crypto/bcrypt"
+)
+
+// Repository wraps a SQLite database connection.
+type Repository struct {
+	DB *sql.DB
+}
+
+// New creates a new Repository.
+func New(db *sql.DB) *Repository {
+	return &Repository{DB: db}
+}
+
+var ErrNotFound = errors.New("not found")
+var ErrAccountInactive = errors.New("account is not activated")
+
+// Init creates the tokens table if it does not exist.
+func (r *Repository) Init() error {
+	_, err := r.DB.Exec(storage.CreateSqlite)
+	if err != nil {
+		return err
+	}
+	// Migration: add is_active column if it doesn't exist (SQLite ignores errors for duplicate column)
+	_, _ = r.DB.Exec(storage.AddIsActiveColumn)
+	return nil
+}
+
+// CreateToken inserts a new user record with hashed password and generated token.
+// New users are created with is_active=false by default.
+func (r *Repository) CreateToken(tc TokenCreate) (string, error) {
+	hashed, err := bcrypt.GenerateFromPassword([]byte(tc.Password), bcrypt.DefaultCost)
+	if err != nil {
+		return "", err
+	}
+
+	token, err := utils.RandomToken()
+	if err != nil {
+		return "", err
+	}
+
+	result, err := r.DB.Exec(
+		`INSERT INTO tokens (name, last_name, login, password, token, permission_view, permission_manage_agent, permission_admin, is_active)
+		 VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
+		tc.Name, tc.LastName, tc.Login, string(hashed), token,
+		tc.PermissionView, tc.PermissionManage, tc.PermissionAdmin, tc.IsActive,
+	)
+	if err != nil {
+		return "", err
+	}
+
+	id, err := result.LastInsertId()
+	if err != nil {
+		return "", err
+	}
+	return strconv.FormatInt(id, 10), nil
+}
+
+// Login authenticates by login/password, generates a new token, and returns LoginResponse.
+func (r *Repository) Login(login, password string) (*LoginResponse, error) {
+	var t Tokens
+	var hashedPassword string
+
+	err := r.DB.QueryRow(
+		`SELECT id, name, last_name, login, password, token, permission_view, permission_manage_agent, permission_admin, is_active
+		 FROM tokens WHERE login = ?`,
+		login,
+	).Scan(&t.ID, &t.Name, &t.LastName, &t.Login, &hashedPassword, &t.Token,
+		&t.PermissionView, &t.PermissionManage, &t.PermissionAdmin, &t.IsActive)
+
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, ErrNotFound
+		}
+		return nil, err
+	}
+
+	if err := bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password)); err != nil {
+		return nil, ErrNotFound
+	}
+
+	if !t.IsActive {
+		return nil, ErrAccountInactive
+	}
+
+	// Generate new token on each login
+	newToken, err := utils.RandomToken()
+	if err != nil {
+		return nil, err
+	}
+
+	_, err = r.DB.Exec(`UPDATE tokens SET token = ? WHERE id = ?`, newToken, t.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	return &LoginResponse{
+		Token:            newToken,
+		Name:             t.Name,
+		LastName:         t.LastName,
+		Login:            t.Login,
+		PermissionView:   t.PermissionView,
+		PermissionManage: t.PermissionManage,
+		PermissionAdmin:  t.PermissionAdmin,
+		IsActive:         t.IsActive,
+	}, nil
+}
+
+// GetTokenByToken retrieves a user record by token value.
+func (r *Repository) GetToken(token string) (*Tokens, error) {
+	var t Tokens
+	err := r.DB.QueryRow(
+		`SELECT id, name, last_name, login, token, permission_view, permission_manage_agent, permission_admin
+		 FROM tokens WHERE token = ?`,
+		token,
+	).Scan(&t.ID, &t.Name, &t.LastName, &t.Login, &t.Token,
+		&t.PermissionView, &t.PermissionManage, &t.PermissionAdmin)
+
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, ErrNotFound
+		}
+		return nil, err
+	}
+	return &t, nil
+}
+
+// ListTokens returns all users without password and token.
+func (r *Repository) ListTokens() ([]Tokens, error) {
+	rows, err := r.DB.Query(
+		`SELECT id, name, last_name, login, permission_view, permission_manage_agent, permission_admin
+		 FROM tokens`,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var tokens []Tokens
+	for rows.Next() {
+		var t Tokens
+		if err := rows.Scan(&t.ID, &t.Name, &t.LastName, &t.Login,
+			&t.PermissionView, &t.PermissionManage, &t.PermissionAdmin); err != nil {
+			return nil, err
+		}
+		tokens = append(tokens, t)
+	}
+	return tokens, rows.Err()
+}
+
+// DeleteToken deletes a user by token value.
+func (r *Repository) DeleteToken(token string) error {
+	result, err := r.DB.Exec(`DELETE FROM tokens WHERE token = ?`, token)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+// DeleteTokenByLogin deletes a user by login.
+func (r *Repository) DeleteTokenByLogin(login string) error {
+	result, err := r.DB.Exec(`DELETE FROM tokens WHERE login = ?`, login)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+// ExistsByLogin checks if a user with given login exists.
+func (r *Repository) ExistsByLogin(login string) bool {
+	var count int
+	err := r.DB.QueryRow(`SELECT COUNT(*) FROM tokens WHERE login = ?`, login).Scan(&count)
+	if err != nil {
+		return false
+	}
+	return count > 0
+}
+
+// InitRegistrationTokens creates the registration_tokens table if it does not exist.
+func (r *Repository) InitRegistrationTokens() error {
+	_, err := r.DB.Exec(storage.CreateRegistrationTokensTable)
+	return err
+}
+
+// CreateRegistrationToken inserts a new one-time registration token.
+func (r *Repository) CreateRegistrationToken(label string) (string, error) {
+	token, err := utils.RandomToken()
+	if err != nil {
+		return "", err
+	}
+
+	_, err = r.DB.Exec(
+		`INSERT INTO registration_tokens (token, label, used) VALUES (?, ?, 0)`,
+		token, label,
+	)
+	if err != nil {
+		return "", err
+	}
+	return token, nil
+}
+
+// GetRegistrationToken retrieves a registration token if it exists and is not used.
+func (r *Repository) GetRegistrationToken(token string) (*RegistrationToken, error) {
+	var rt RegistrationToken
+	err := r.DB.QueryRow(
+		`SELECT id, token, label, used, created_at, used_at FROM registration_tokens WHERE token = ?`,
+		token,
+	).Scan(&rt.ID, &rt.Token, &rt.Label, &rt.Used, &rt.CreatedAt, &rt.UsedAt)
+
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, ErrNotFound
+		}
+		return nil, err
+	}
+	return &rt, nil
+}
+
+// MarkRegistrationTokenUsed marks a registration token as used.
+func (r *Repository) MarkRegistrationTokenUsed(token string) error {
+	result, err := r.DB.Exec(
+		`UPDATE registration_tokens SET used = 1, used_at = CURRENT_TIMESTAMP WHERE token = ? AND used = 0`,
+		token,
+	)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+// ActivateToken activates a user by token value.
+func (r *Repository) ActivateToken(token string) error {
+	result, err := r.DB.Exec(
+		`UPDATE tokens SET is_active = 1 WHERE token = ?`,
+		token,
+	)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+// DeactivateToken deactivates a user by token value.
+func (r *Repository) DeactivateToken(token string) error {
+	result, err := r.DB.Exec(
+		`UPDATE tokens SET is_active = 0 WHERE token = ?`,
+		token,
+	)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+// ActivateUserByLogin activates a user by login.
+func (r *Repository) ActivateUserByLogin(login string) error {
+	result, err := r.DB.Exec(
+		`UPDATE tokens SET is_active = 1 WHERE login = ?`,
+		login,
+	)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+// DeactivateUserByLogin deactivates a user by login.
+func (r *Repository) DeactivateUserByLogin(login string) error {
+	result, err := r.DB.Exec(
+		`UPDATE tokens SET is_active = 0 WHERE login = ?`,
+		login,
+	)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+// ListInactiveTokens returns all users that are not activated.
+func (r *Repository) ListInactiveTokens() ([]Tokens, error) {
+	rows, err := r.DB.Query(
+		`SELECT id, name, last_name, login, token, permission_view, permission_manage_agent, permission_admin, is_active
+		 FROM tokens WHERE is_active = 0`,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var tokens []Tokens
+	for rows.Next() {
+		var t Tokens
+		if err := rows.Scan(&t.ID, &t.Name, &t.LastName, &t.Login, &t.Token,
+			&t.PermissionView, &t.PermissionManage, &t.PermissionAdmin, &t.IsActive); err != nil {
+			return nil, err
+		}
+		tokens = append(tokens, t)
+	}
+	return tokens, rows.Err()
+}
+
+// GetTokenByLogin retrieves a user by login.
+func (r *Repository) GetTokenByLogin(login string) (*Tokens, error) {
+	var t Tokens
+	err := r.DB.QueryRow(
+		`SELECT id, name, last_name, login, token, permission_view, permission_manage_agent, permission_admin, is_active
+		 FROM tokens WHERE login = ?`,
+		login,
+	).Scan(&t.ID, &t.Name, &t.LastName, &t.Login, &t.Token,
+		&t.PermissionView, &t.PermissionManage, &t.PermissionAdmin, &t.IsActive)
+
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, ErrNotFound
+		}
+		return nil, err
+	}
+	return &t, nil
+}
+
+// UpdateToken updates name and last_name for a user by login.
+func (r *Repository) UpdateToken(login string, update TokenUpdate) error {
+	result, err := r.DB.Exec(
+		`UPDATE tokens SET name = ?, last_name = ? WHERE login = ?`,
+		update.Name, update.LastName, login,
+	)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+// UpdatePermissions updates permissions and is_active for a user by login.
+func (r *Repository) UpdatePermissions(login string, update TokenUpdatePermissions) error {
+	user, err := r.GetTokenByLogin(login)
+	if err != nil {
+		return err
+	}
+
+	// Use existing values if not provided
+	newView := user.PermissionView
+	newManage := user.PermissionManage
+	newAdmin := user.PermissionAdmin
+	newActive := user.IsActive
+
+	if update.PermissionView != nil {
+		newView = *update.PermissionView
+	}
+	if update.PermissionManage != nil {
+		newManage = *update.PermissionManage
+	}
+	if update.PermissionAdmin != nil {
+		newAdmin = *update.PermissionAdmin
+	}
+	if update.IsActive != nil {
+		newActive = *update.IsActive
+	}
+
+	result, err := r.DB.Exec(
+		`UPDATE tokens SET permission_view = ?, permission_manage_agent = ?, permission_admin = ?, is_active = ? WHERE login = ?`,
+		newView, newManage, newAdmin, newActive, login,
+	)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
+// UpdatePassword updates the password for a user by login.
+func (r *Repository) UpdatePassword(login string, newPassword string) error {
+	hashed, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.DefaultCost)
+	if err != nil {
+		return err
+	}
+
+	result, err := r.DB.Exec(
+		`UPDATE tokens SET password = ? WHERE login = ?`,
+		string(hashed), login,
+	)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}

backend/internal/repository/script_interpreter_repository.go

@@ -0,0 +1,189 @@
+package repository
+
+import (
+	"context"
+	"database/sql"
+	"encoding/json"
+	"errors"
+	"time"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
+)
+
+type ScriptInterpreter struct {
+	ID        int64     `json:"id"`
+	Name      string    `json:"name"`
+	Label     string    `json:"label"`
+	Argv      []string  `json:"argv"`
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+type ScriptInterpreterCreate struct {
+	Name  string   `json:"name" binding:"required"`
+	Label string   `json:"label" binding:"required"`
+	Argv  []string `json:"argv" binding:"required"`
+}
+
+type ScriptInterpreterUpdate struct {
+	Name  *string  `json:"name"`
+	Label *string  `json:"label"`
+	Argv  []string `json:"argv"`
+}
+
+type ScriptInterpreterRepo struct {
+	DB *sql.DB
+}
+
+func NewScriptInterpreterRepo(db *sql.DB) *ScriptInterpreterRepo {
+	return &ScriptInterpreterRepo{DB: db}
+}
+
+func (r *ScriptInterpreterRepo) Init(ctx context.Context) error {
+	_, err := r.DB.ExecContext(ctx, storage.CreateScriptInterpretersTable)
+	return err
+}
+
+func (r *ScriptInterpreterRepo) Create(ctx context.Context, in ScriptInterpreterCreate) (*ScriptInterpreter, error) {
+	argvJSON, err := json.Marshal(in.Argv)
+	if err != nil {
+		return nil, err
+	}
+
+	result, err := r.DB.ExecContext(ctx,
+		`INSERT INTO script_interpreters (name, label, argv) VALUES (?, ?, ?)`,
+		in.Name, in.Label, string(argvJSON),
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	id, err := result.LastInsertId()
+	if err != nil {
+		return nil, err
+	}
+
+	return r.GetByID(ctx, id)
+}
+
+func (r *ScriptInterpreterRepo) GetByID(ctx context.Context, id int64) (*ScriptInterpreter, error) {
+	var si ScriptInterpreter
+	var argvJSON string
+	var createdAt, updatedAt string
+
+	err := r.DB.QueryRowContext(ctx,
+		`SELECT id, name, label, argv, created_at, updated_at FROM script_interpreters WHERE id = ?`,
+		id,
+	).Scan(&si.ID, &si.Name, &si.Label, &argvJSON, &createdAt, &updatedAt)
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, ErrNotFound
+		}
+		return nil, err
+	}
+
+	if err := json.Unmarshal([]byte(argvJSON), &si.Argv); err != nil {
+		return nil, err
+	}
+	si.CreatedAt, _ = time.Parse(time.RFC3339, createdAt)
+	si.UpdatedAt, _ = time.Parse(time.RFC3339, updatedAt)
+	return &si, nil
+}
+
+func (r *ScriptInterpreterRepo) List(ctx context.Context) ([]ScriptInterpreter, error) {
+	rows, err := r.DB.QueryContext(ctx,
+		`SELECT id, name, label, argv, created_at, updated_at FROM script_interpreters`,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var interpreters []ScriptInterpreter
+	for rows.Next() {
+		var si ScriptInterpreter
+		var argvJSON, createdAt, updatedAt string
+		if err := rows.Scan(&si.ID, &si.Name, &si.Label, &argvJSON, &createdAt, &updatedAt); err != nil {
+			return nil, err
+		}
+		if err := json.Unmarshal([]byte(argvJSON), &si.Argv); err != nil {
+			return nil, err
+		}
+		si.CreatedAt, _ = time.Parse(time.RFC3339, createdAt)
+		si.UpdatedAt, _ = time.Parse(time.RFC3339, updatedAt)
+		interpreters = append(interpreters, si)
+	}
+	return interpreters, rows.Err()
+}
+
+func (r *ScriptInterpreterRepo) Update(ctx context.Context, id int64, in ScriptInterpreterUpdate) (*ScriptInterpreter, error) {
+	si, err := r.GetByID(ctx, id)
+	if err != nil {
+		return nil, err
+	}
+
+	set := ""
+	args := make([]interface{}, 0)
+	idx := 1
+
+	if in.Name != nil {
+		set += "name = ?"
+		args = append(args, *in.Name)
+		idx++
+	}
+	if in.Label != nil {
+		if idx > 1 {
+			set += ", "
+		}
+		set += "label = ?"
+		args = append(args, *in.Label)
+		idx++
+	}
+	if in.Argv != nil {
+		if idx > 1 {
+			set += ", "
+		}
+		argvJSON, err := json.Marshal(in.Argv)
+		if err != nil {
+			return nil, err
+		}
+		set += "argv = ?"
+		args = append(args, string(argvJSON))
+		idx++
+	}
+
+	if idx == 1 {
+		return si, nil
+	}
+
+	set += ", updated_at = CURRENT_TIMESTAMP"
+	args = append(args, id)
+
+	_, err = r.DB.ExecContext(ctx,
+		`UPDATE script_interpreters SET `+set+` WHERE id = ?`,
+		args...,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return r.GetByID(ctx, id)
+}
+
+func (r *ScriptInterpreterRepo) Delete(ctx context.Context, id int64) error {
+	result, err := r.DB.ExecContext(ctx,
+		`DELETE FROM script_interpreters WHERE id = ?`,
+		id,
+	)
+	if err != nil {
+		return err
+	}
+	affected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if affected == 0 {
+		return ErrNotFound
+	}
+	return nil
+}

backend/internal/service/script_service.go

@@ -0,0 +1,54 @@
+package service
+
+import (
+	"context"
+	"fmt"
+
+	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/repository"
+)
+
+type ScriptService struct {
+	repo *repository.ScriptInterpreterRepo
+}
+
+func NewScriptService(repo *repository.ScriptInterpreterRepo) *ScriptService {
+	return &ScriptService{repo: repo}
+}
+
+// ResolveCommand builds the full argv[] by prepending the interpreter's argv
+// to the script text (as the last argument).
+func (self *ScriptService) ResolveCommand(ctx context.Context, interpreterID int64, scriptText string) ([]string, error) {
+	interpreter, err := self.repo.GetByID(ctx, interpreterID)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(interpreter.Argv) == 0 {
+		return nil, fmt.Errorf("interpreter %q has empty argv", interpreter.Name)
+	}
+
+	argv := make([]string, len(interpreter.Argv)+1)
+	copy(argv, interpreter.Argv)
+	argv[len(argv)-1] = scriptText
+	return argv, nil
+}
+
+func (self *ScriptService) Create(ctx context.Context, in repository.ScriptInterpreterCreate) (*repository.ScriptInterpreter, error) {
+	return self.repo.Create(ctx, in)
+}
+
+func (self *ScriptService) GetByID(ctx context.Context, id int64) (*repository.ScriptInterpreter, error) {
+	return self.repo.GetByID(ctx, id)
+}
+
+func (self *ScriptService) List(ctx context.Context) ([]repository.ScriptInterpreter, error) {
+	return self.repo.List(ctx)
+}
+
+func (self *ScriptService) Update(ctx context.Context, id int64, in repository.ScriptInterpreterUpdate) (*repository.ScriptInterpreter, error) {
+	return self.repo.Update(ctx, id, in)
+}
+
+func (self *ScriptService) Delete(ctx context.Context, id int64) error {
+	return self.repo.Delete(ctx, id)
+}

backend/internal/storage/clickhouse.go

@@ -0,0 +1,62 @@
+package storage
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"log"
+	"time"
+
+	_ "github.com/ClickHouse/clickhouse-go/v2"
+)
+
+type ClickHouseConfig struct {
+	Host     string
+	User     string
+	Password string
+	Database string
+}
+
+func OpenClickHouse(cfg ClickHouseConfig) (*sql.DB, error) {
+	dsn := fmt.Sprintf("clickhouse://%s:%s@%s/%s",
+		cfg.User, cfg.Password, cfg.Host, cfg.Database)
+
+	db, err := sql.Open("clickhouse", dsn)
+	if err != nil {
+		return nil, fmt.Errorf("clickhouse open: %w", err)
+	}
+
+	db.SetMaxOpenConns(5)
+	db.SetMaxIdleConns(2)
+	db.SetConnMaxLifetime(10 * time.Minute)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+
+	if err := db.PingContext(ctx); err != nil {
+		db.Close()
+		return nil, fmt.Errorf("clickhouse ping: %w", err)
+	}
+
+	log.Printf("ClickHouse connected via database/sql: %s", cfg.Host)
+	return db, nil
+}
+
+// OpenClickHouseWithRetry attempts to connect to ClickHouse with retries and backoff.
+func OpenClickHouseWithRetry(cfg ClickHouseConfig, maxRetries int, initialDelay time.Duration) (*sql.DB, error) {
+	var lastErr error
+	delay := initialDelay
+
+	for i := 0; i < maxRetries; i++ {
+		db, err := OpenClickHouse(cfg)
+		if err == nil {
+			return db, nil
+		}
+		lastErr = err
+		log.Printf("ClickHouse connection attempt %d/%d failed: %v, retrying in %v...", i+1, maxRetries, err, delay)
+		time.Sleep(delay)
+		delay *= 2
+	}
+
+	return nil, fmt.Errorf("clickhouse connection failed after %d attempts: %w", maxRetries, lastErr)
+}

backend/internal/storage/log_entry.go

@@ -0,0 +1,11 @@
+package storage
+
+import "time"
+
+type LogEntry struct {
+	Timestamp time.Time `ch:"timestamp"`
+	Level     string    `ch:"level"`
+	Service   string    `ch:"service"`
+	Agent     string    `ch:"agent"`
+	Message   string    `ch:"message"`
+}

backend/internal/storage/migrations.go

@@ -0,0 +1,71 @@
+package storage
+
+const CreateSqlite = `
+	CREATE TABLE IF NOT EXISTS tokens (
+	id INTEGER PRIMARY KEY AUTOINCREMENT,
+	name TEXT NOT NULL,
+	last_name TEXT NOT NULL,
+	login TEXT NOT NULL UNIQUE,
+	password TEXT NOT NULL,
+	token TEXT NOT NULL UNIQUE,
+	permission_view BOOL NOT NULL,
+	permission_manage_agent BOOL NOT NULL,
+	permission_admin BOOL NOT NULL,
+	is_active BOOL NOT NULL DEFAULT 0
+);
+`
+
+// AddIsActiveColumn adds is_active column to tokens table if it doesn't exist.
+// This is a migration for existing databases that don't have this column.
+const AddIsActiveColumn = `
+	ALTER TABLE tokens ADD COLUMN is_active BOOL NOT NULL DEFAULT 0
+`
+
+const CreateRegistrationTokensTable = `
+CREATE TABLE IF NOT EXISTS registration_tokens (
+	id INTEGER PRIMARY KEY AUTOINCREMENT,
+	token TEXT NOT NULL UNIQUE,
+	label TEXT NOT NULL,
+	used BOOL NOT NULL DEFAULT 0,
+	created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+	used_at DATETIME
+);
+`
+
+const CreateJobsTable = `
+CREATE TABLE IF NOT EXISTS jobs (
+	id INTEGER PRIMARY KEY AUTOINCREMENT,
+	agent_id TEXT NOT NULL,
+	command TEXT NOT NULL,
+	stdin TEXT,
+	stdout TEXT DEFAULT '',
+	stderr TEXT DEFAULT '',
+	status INTEGER DEFAULT 0,
+	created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+	updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+`
+
+const CreateScriptInterpretersTable = `
+CREATE TABLE IF NOT EXISTS script_interpreters (
+	id INTEGER PRIMARY KEY AUTOINCREMENT,
+	name TEXT NOT NULL UNIQUE,
+	label TEXT NOT NULL,
+	argv TEXT NOT NULL,
+	created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+	updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+`
+
+const CreateLogsTable = `
+CREATE TABLE IF NOT EXISTS logs (
+    timestamp DateTime64(3) DEFAULT now(),
+    level     LowCardinality(String),
+    service   LowCardinality(String),
+    agent     LowCardinality(String),
+    message   String
+) ENGINE = MergeTree()
+ORDER BY (timestamp, level, service, agent)
+TTL timestamp + INTERVAL 30 DAY
+SETTINGS index_granularity = 8192
+`

backend/internal/storage/sqlite.go

@@ -0,0 +1,43 @@
+package storage
+
+import (
+	"database/sql"
+	"fmt"
+	"strings"
+
+	_ "modernc.org/sqlite"
+)
+
+var pragmas = map[string]string{
+	`journal_mode`: `wal`,
+	`synchronous`:  `normal`,
+	`busy_timeout`: `30000`,
+}
+
+func buildSqliteDsn(path string, pragmas map[string]string) string {
+	pragmastrs := make([]string, len(pragmas))
+	i := 0
+	for k, v := range pragmas {
+		pragmastrs[i] = (fmt.Sprintf(`pragma=%s(%s)`, k, v))
+		i++
+	}
+	return path + "?" + "mode=rwc&" + strings.Join(pragmastrs, "&")
+}
+
+func Open(path string) (*sql.DB, error) {
+	dsn := buildSqliteDsn(path, pragmas)
+	db, err := sql.Open("sqlite", dsn)
+	if err != nil {
+		return nil, err
+	}
+
+	// Run migrations
+	if _, err := db.Exec(CreateSqlite); err != nil {
+		return nil, fmt.Errorf("migrate: %w", err)
+	}
+
+	// Migration: add is_active column if it doesn't exist
+	_, _ = db.Exec(AddIsActiveColumn)
+
+	return db, nil
+}

backend/internal/utils/cert_helper.go

@@ -0,0 +1,157 @@
+package utils
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"fmt"
+	"math/big"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+// CertBundle holds CA and server certificates loaded from disk.
+type CertBundle struct {
+	CACert     *x509.Certificate
+	CAKey      *rsa.PrivateKey
+	ServerCert *x509.Certificate
+	ServerKey  *rsa.PrivateKey
+}
+
+// LoadCertBundle loads CA and server certificates from the given directory.
+func LoadCertBundle(certDir string) (*CertBundle, error) {
+	caCertPEM, err := os.ReadFile(filepath.Join(certDir, "ca.crt"))
+	if err != nil {
+		return nil, fmt.Errorf("read ca.crt: %w", err)
+	}
+
+	caKeyPEM, err := os.ReadFile(filepath.Join(certDir, "ca.key"))
+	if err != nil {
+		return nil, fmt.Errorf("read ca.key: %w", err)
+	}
+
+	serverCertPEM, err := os.ReadFile(filepath.Join(certDir, "server.crt"))
+	if err != nil {
+		return nil, fmt.Errorf("read server.crt: %w", err)
+	}
+
+	serverKeyPEM, err := os.ReadFile(filepath.Join(certDir, "server.key"))
+	if err != nil {
+		return nil, fmt.Errorf("read server.key: %w", err)
+	}
+
+	caCert := decodeCert(caCertPEM)
+	caKey, err := decodeRSAPrivateKey(caKeyPEM)
+	if err != nil {
+		return nil, fmt.Errorf("parse ca.key: %w", err)
+	}
+	serverCert := decodeCert(serverCertPEM)
+	serverKey, err := decodeRSAPrivateKey(serverKeyPEM)
+	if err != nil {
+		return nil, fmt.Errorf("parse server.key: %w", err)
+	}
+
+	return &CertBundle{
+		CACert:     caCert,
+		CAKey:      caKey,
+		ServerCert: serverCert,
+		ServerKey:  serverKey,
+	}, nil
+}
+
+// SignCSR signs a client CSR with the CA and returns the client certificate PEM.
+func (b *CertBundle) SignCSR(csrPEM []byte, label string) ([]byte, error) {
+	csr := decodeCSR(csrPEM)
+
+	// Verify CSR signature
+	if err := csr.CheckSignature(); err != nil {
+		return nil, fmt.Errorf("invalid CSR signature: %w", err)
+	}
+
+	serialNumber, err := rand.Int(rand.Reader, new(big.Int).Lsh(big.NewInt(1), 128))
+	if err != nil {
+		return nil, fmt.Errorf("generate serial: %w", err)
+	}
+
+	now := time.Now()
+	template := x509.Certificate{
+		SerialNumber: serialNumber,
+		Subject: pkix.Name{
+			CommonName:   label,
+			Organization: csr.Subject.Organization,
+		},
+		NotBefore:             now,
+		NotAfter:              now.Add(365 * 24 * time.Hour),
+		KeyUsage:              x509.KeyUsageDigitalSignature | x509.KeyUsageKeyEncipherment,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
+		BasicConstraintsValid: true,
+	}
+
+	certDER, err := x509.CreateCertificate(rand.Reader, &template, b.CACert, csr.PublicKey, b.CAKey)
+	if err != nil {
+		return nil, fmt.Errorf("create certificate: %w", err)
+	}
+
+	certPEM := pem.EncodeToMemory(&pem.Block{
+		Type:  "CERTIFICATE",
+		Bytes: certDER,
+	})
+
+	return certPEM, nil
+}
+
+// GetCACertPEM returns the CA certificate as PEM bytes.
+func (b *CertBundle) GetCACertPEM() []byte {
+	return pem.EncodeToMemory(&pem.Block{
+		Type:  "CERTIFICATE",
+		Bytes: b.CACert.Raw,
+	})
+}
+
+func decodeCert(pemData []byte) *x509.Certificate {
+	block, _ := pem.Decode(pemData)
+	if block == nil {
+		return nil
+	}
+	cert, err := x509.ParseCertificate(block.Bytes)
+	if err != nil {
+		return nil
+	}
+	return cert
+}
+
+func decodeRSAPrivateKey(pemData []byte) (*rsa.PrivateKey, error) {
+	block, _ := pem.Decode(pemData)
+	if block == nil {
+		return nil, fmt.Errorf("no PEM block found")
+	}
+	key, err := x509.ParsePKCS8PrivateKey(block.Bytes)
+	if err != nil {
+		// Try PKCS1 fallback
+		key, err = x509.ParsePKCS1PrivateKey(block.Bytes)
+		if err != nil {
+			return nil, fmt.Errorf("parse PKCS1: %w", err)
+		}
+		return key.(*rsa.PrivateKey), nil
+	}
+	rsaKey, ok := key.(*rsa.PrivateKey)
+	if !ok {
+		return nil, fmt.Errorf("key is not RSA, got %T", key)
+	}
+	return rsaKey, nil
+}
+
+func decodeCSR(pemData []byte) *x509.CertificateRequest {
+	block, _ := pem.Decode(pemData)
+	if block == nil {
+		return nil
+	}
+	csr, err := x509.ParseCertificateRequest(block.Bytes)
+	if err != nil {
+		return nil
+	}
+	return csr
+}

backend/internal/utils/token_gen.go

@@ -0,0 +1,14 @@
+package utils
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+)
+
+func RandomToken() (string, error) {
+	token := make([]byte, 32)
+	if _, err := rand.Read(token); err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(token), nil
+}

backend/makefile

@@ -0,0 +1,6 @@
+.PHONY: docs lint
+docs:
+	swag init -g ./cmd/main.go --parseDependency --parseInternal
+
+lint:
+	golangci-lint run --fix

backend/scripts/generate-certs.sh

@@ -0,0 +1,98 @@
+#!/bin/bash
+# Скрипт генерации SSL сертификатов для mTLS gRPC
+
+set -e
+
+CERT_DIR="${1:-/etc/HellreigN/ssl}"
+DAYS_VALID=365
+
+echo "Generating CA and server certificates in ${CERT_DIR}..."
+
+# Создаём директорию
+mkdir -p "${CERT_DIR}"
+
+# Если сертификаты уже есть и не пустые - не перегенерируем
+if [ -s "${CERT_DIR}/ca.crt" ] && [ -s "${CERT_DIR}/server.crt" ] && [ -s "${CERT_DIR}/server.key" ]; then
+    echo "Certificates already exist, skipping generation."
+    exit 0
+fi
+
+# Если файлы существуют но пустые - удаляем их для перегенерации
+rm -f "${CERT_DIR}/ca.crt" "${CERT_DIR}/ca.key" "${CERT_DIR}/server.crt" "${CERT_DIR}/server.key" "${CERT_DIR}/server.csr"
+
+# Генерация CA
+echo "Generating CA..."
+openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:4096 -out "${CERT_DIR}/ca.key"
+openssl req -x509 -new -nodes -sha256 -days ${DAYS_VALID} \
+    -key "${CERT_DIR}/ca.key" \
+    -out "${CERT_DIR}/ca.crt" \
+    -subj "/CN=HellreigN Root CA"
+
+# Генерация серверного сертификата
+echo "Generating server certificate..."
+openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:4096 -out "${CERT_DIR}/server.key"
+openssl req -new -sha256 \
+    -key "${CERT_DIR}/server.key" \
+    -out "${CERT_DIR}/server.csr" \
+    -subj "/CN=${SERVER_CN:-localhost}"
+
+# Создаём конфиг для server SAN
+# Поддержка переменных окружения:
+#   SERVER_SAN_DNS - список DNS имен через запятую (например: localhost,backend,myserver.example.com)
+#   SERVER_SAN_IP - список IP адресов через запятую (например: 127.0.0.1,192.168.1.100)
+cat > "${CERT_DIR}/server.ext" <<EOF
+authorityKeyIdentifier=keyid,issuer
+basicConstraints=CA:FALSE
+keyUsage = digitalSignature, keyEncipherment
+extendedKeyUsage = serverAuth
+subjectAltName = @alt_names
+
+[alt_names]
+EOF
+
+# Добавляем DNS SAN
+dns_idx=1
+IFS=',' read -ra DNS_NAMES <<< "${SERVER_SAN_DNS:-localhost,backend}"
+for dns_name in "${DNS_NAMES[@]}"; do
+    dns_name=$(echo "$dns_name" | xargs)  # trim whitespace
+    if [ -n "$dns_name" ]; then
+        echo "DNS.${dns_idx} = ${dns_name}" >> "${CERT_DIR}/server.ext"
+        ((dns_idx++))
+    fi
+done
+
+# Добавляем wildcard для localhost если есть
+echo "DNS.${dns_idx} = *.localhost" >> "${CERT_DIR}/server.ext"
+((dns_idx++))
+
+# Добавляем IP SAN
+ip_idx=1
+IFS=',' read -ra IP_ADDRS <<< "${SERVER_SAN_IP:-127.0.0.1}"
+for ip_addr in "${IP_ADDRS[@]}"; do
+    ip_addr=$(echo "$ip_addr" | xargs)  # trim whitespace
+    if [ -n "$ip_addr" ]; then
+        echo "IP.${ip_idx} = ${ip_addr}" >> "${CERT_DIR}/server.ext"
+        ((ip_idx++))
+    fi
+done
+
+openssl x509 -req -sha256 -days ${DAYS_VALID} \
+    -in "${CERT_DIR}/server.csr" \
+    -CA "${CERT_DIR}/ca.crt" \
+    -CAkey "${CERT_DIR}/ca.key" \
+    -CAcreateserial \
+    -out "${CERT_DIR}/server.crt" \
+    -extfile "${CERT_DIR}/server.ext"
+
+# Очистка лишних файлов
+rm -f "${CERT_DIR}/server.ext"
+
+# Установка прав
+chmod 600 "${CERT_DIR}"/*.key
+chmod 644 "${CERT_DIR}"/*.crt
+
+echo "Certificates generated successfully!"
+echo "  CA:     ${CERT_DIR}/ca.crt"
+echo "  Server: ${CERT_DIR}/server.crt + ${CERT_DIR}/server.key"
+echo "  SAN DNS: ${SERVER_SAN_DNS:-localhost,backend}"
+echo "  SAN IP:  ${SERVER_SAN_IP:-127.0.0.1}"

frontend/dockerfile

@@ -0,0 +1,16 @@
+FROM node:25-alpine3.23 AS builder
+
+WORKDIR /app
+
+COPY package.json yarn.lock ./
+
+RUN yarn install --frozen-lockfile
+COPY . .
+RUN yarn build
+FROM nginx:alpine
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

frontend/nginx.conf

@@ -0,0 +1,32 @@
+
+server {
+    listen 80;
+    server_name localhost;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+    location /api/ {
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_cache_bypass $http_upgrade;
+    }
+
+
+    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+    # Gzip сжатие
+    gzip on;
+    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
+}

go.work

@@ -0,0 +1,7 @@
+go 1.26.1
+
+use (
+	./agent
+	./backend
+	./proto
+)

infra/agent/config.yml

@@ -0,0 +1,8 @@
+backend_url: http://backend:8080
+grpc_url: backend:9001
+label: test-agent-1
+registration_token: "156616b56774d59ba53f1eb4b096488bb5f755bbf5b737d93a42bb1b583ad7fb"
+cert_dir: /etc/hellreign-agent/certs
+services:
+  - name: system
+    type: journald

infra/backend/config.yml

@@ -0,0 +1,11 @@
+database:
+  token_db: /var/lib/hellreign/tokens.db
+  clickhouse_host: clickhouse:9000
+  clickhouse_user: default
+  clickhouse_password: testpassword
+  clickhouse_database: hellreign
+admin:
+  admin_name: Admin
+  admin_last_name: User
+  admin_login: admin
+  admin_password: admin123

infra/clickhouse/init/01_create_logs_table.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+
+clickhouse-client --query "CREATE DATABASE IF NOT EXISTS hellreign;"
+
+clickhouse-client --query "
+CREATE TABLE IF NOT EXISTS hellreign.logs (
+    timestamp DateTime64(3) DEFAULT now(),
+    level LowCardinality(String),
+    service LowCardinality(String),
+    agent LowCardinality(String),
+    message String
+) ENGINE = MergeTree()
+ORDER BY (timestamp, level, service, agent)
+SETTINGS index_granularity = 8192;
+"

infra/docker-compose.yml

@@ -0,0 +1,90 @@
+services:
+  clickhouse:
+    image: clickhouse/clickhouse-server:24.8
+    container_name: hellreign-clickhouse
+    environment:
+      CLICKHOUSE_DB: hellreign
+      CLICKHOUSE_USER: default
+      CLICKHOUSE_PASSWORD: testpassword
+      CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT: 1
+    ports:
+      - "8123:8123"
+      - "9000:9000"
+    volumes:
+      - clickhouse_data:/var/lib/clickhouse
+      - ./clickhouse/init:/docker-entrypoint-initdb.d
+    healthcheck:
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8123/ping"]
+      interval: 5s
+      timeout: 3s
+      retries: 20
+      start_period: 30s
+    networks:
+      - hellreign
+
+  backend:
+    build:
+      context: ..
+      dockerfile: backend/dockerfile
+    container_name: hellreign-backend
+    environment:
+      CONFIG_FILE: /etc/hellreign/config.yml
+      SSL_CERT_DIR: /var/lib/hellreign/ssl
+      SERVER_SAN_DNS: localhost,backend
+      SERVER_SAN_IP: 127.0.0.1
+    ports:
+      - "8080:8080"
+      - "9001:9001"
+    volumes:
+      - ./backend/config.yml:/etc/hellreign/config.yml:ro
+      - backend_data:/var/lib/hellreign
+    depends_on:
+      clickhouse:
+        condition: service_healthy
+    networks:
+      - hellreign
+
+  frontend:
+    build:
+      context: ../frontend
+      dockerfile: dockerfile
+    container_name: hellreign-frontend
+    ports:
+      - "3000:80"
+    depends_on:
+      - backend
+    networks:
+      - hellreign
+
+  agent:
+    build:
+      context: ..
+      dockerfile: agent/dockerfile
+    container_name: hellreign-agent
+    environment:
+      CONFIG_FILE: /etc/hellreign-agent/config.yml
+      JOURNALD_LOGDIR: /var/log/journal
+      BUFFER_DB: /var/lib/hellreign-agent/agent_buffer.db
+    volumes:
+      - ./agent/config.yml:/etc/hellreign-agent/config.yml:ro
+      - agent_certs:/etc/hellreign-agent/certs
+      - agent_data:/var/lib/hellreign-agent
+      - /var/log/journal:/var/log/journal:ro
+    depends_on:
+      - backend
+    networks:
+      - hellreign
+
+volumes:
+  clickhouse_data:
+    driver: local
+  backend_data:
+    driver: local
+  agent_certs:
+    driver: local
+  agent_data:
+    driver: local
+
+networks:
+  hellreign:
+    driver: bridge

proto/do.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -exuo pipefail
+
+protogen() {
+	in=./hellreign.proto
+	protoc --go_out="." --go_opt=module="gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto" \
+		--go-grpc_out="." --go-grpc_opt=module="gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto" "$in"
+}
+
+"$@"

proto/go.mod

@@ -0,0 +1,16 @@
+module gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto
+
+go 1.25.0
+
+require (
+	google.golang.org/grpc v1.80.0
+	google.golang.org/protobuf v1.36.11
+)
+
+require (
+	go.opentelemetry.io/otel v1.41.0 // indirect
+	golang.org/x/net v0.52.0 // indirect
+	golang.org/x/sys v0.42.0 // indirect
+	golang.org/x/text v0.35.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516 // indirect
+)

proto/go.sum

@@ -0,0 +1,38 @@
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
+go.opentelemetry.io/otel v1.41.0 h1:YlEwVsGAlCvczDILpUXpIpPSL/VPugt7zHThEMLce1c=
+go.opentelemetry.io/otel v1.41.0/go.mod h1:Yt4UwgEKeT05QbLwbyHXEwhnjxNO6D8L5PQP51/46dE=
+go.opentelemetry.io/otel/metric v1.41.0 h1:rFnDcs4gRzBcsO9tS8LCpgR0dxg4aaxWlJxCno7JlTQ=
+go.opentelemetry.io/otel/metric v1.41.0/go.mod h1:xPvCwd9pU0VN8tPZYzDZV/BMj9CM9vs00GuBjeKhJps=
+go.opentelemetry.io/otel/sdk v1.39.0 h1:nMLYcjVsvdui1B/4FRkwjzoRVsMK8uL/cj0OyhKzt18=
+go.opentelemetry.io/otel/sdk v1.39.0/go.mod h1:vDojkC4/jsTJsE+kh+LXYQlbL8CgrEcwmt1ENZszdJE=
+go.opentelemetry.io/otel/sdk/metric v1.39.0 h1:cXMVVFVgsIf2YL6QkRF4Urbr/aMInf+2WKg+sEJTtB8=
+go.opentelemetry.io/otel/sdk/metric v1.39.0/go.mod h1:xq9HEVH7qeX69/JnwEfp6fVq5wosJsY1mt4lLfYdVew=
+go.opentelemetry.io/otel/trace v1.41.0 h1:Vbk2co6bhj8L59ZJ6/xFTskY+tGAbOnCtQGVVa9TIN0=
+go.opentelemetry.io/otel/trace v1.41.0/go.mod h1:U1NU4ULCoxeDKc09yCWdWe+3QoyweJcISEVa1RBzOis=
+golang.org/x/net v0.52.0 h1:He/TN1l0e4mmR3QqHMT2Xab3Aj3L9qjbhRm78/6jrW0=
+golang.org/x/net v0.52.0/go.mod h1:R1MAz7uMZxVMualyPXb+VaqGSa3LIaUqk0eEt3w36Sw=
+golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
+golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/text v0.35.0 h1:JOVx6vVDFokkpaq1AEptVzLTpDe9KGpj5tR4/X+ybL8=
+golang.org/x/text v0.35.0/go.mod h1:khi/HExzZJ2pGnjenulevKNX1W67CUy0AsXcNubPGCA=
+gonum.org/v1/gonum v0.17.0 h1:VbpOemQlsSMrYmn7T2OUvQ4dqxQXU+ouZFQsZOx50z4=
+gonum.org/v1/gonum v0.17.0/go.mod h1:El3tOrEuMpv2UdMrbNlKEh9vd86bmQ6vqIcDwxEOc1E=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516 h1:sNrWoksmOyF5bvJUcnmbeAmQi8baNhqg5IWaI3llQqU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
+google.golang.org/grpc v1.80.0 h1:Xr6m2WmWZLETvUNvIUmeD5OAagMw3FiKmMlTdViWsHM=
+google.golang.org/grpc v1.80.0/go.mod h1:ho/dLnxwi3EDJA4Zghp7k2Ec1+c2jqup0bFkw07bwF4=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=

proto/hellreign.proto

@@ -0,0 +1,33 @@
+syntax = "proto3";
+
+package chat;
+
+option go_package="gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto/proto";
+
+service Collector {
+	rpc Stream(stream CollectorRequest) returns (CollectorResponse);
+}
+
+message CollectorRequest {
+	string message = 1;
+}
+
+message CollectorResponse {
+}
+
+service Commander {
+	rpc Stream(stream FinishedCommand) returns (stream Command);
+}
+
+message Command {
+	int64 id = 1;
+	repeated string command = 2;
+	optional string stdin = 3;
+}
+
+message FinishedCommand {
+	int64 id = 1;
+	int32 status = 2;
+	string stdout = 3;
+	string stderr = 4;
+}

proto/proto/hellreign.pb.go

@@ -0,0 +1,309 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.11
+// 	protoc        v3.21.9
+// source: hellreign.proto
+
+package proto
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type CollectorRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Message       string                 `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *CollectorRequest) Reset() {
+	*x = CollectorRequest{}
+	mi := &file_hellreign_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *CollectorRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CollectorRequest) ProtoMessage() {}
+
+func (x *CollectorRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_hellreign_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CollectorRequest.ProtoReflect.Descriptor instead.
+func (*CollectorRequest) Descriptor() ([]byte, []int) {
+	return file_hellreign_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *CollectorRequest) GetMessage() string {
+	if x != nil {
+		return x.Message
+	}
+	return ""
+}
+
+type CollectorResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *CollectorResponse) Reset() {
+	*x = CollectorResponse{}
+	mi := &file_hellreign_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *CollectorResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CollectorResponse) ProtoMessage() {}
+
+func (x *CollectorResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_hellreign_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CollectorResponse.ProtoReflect.Descriptor instead.
+func (*CollectorResponse) Descriptor() ([]byte, []int) {
+	return file_hellreign_proto_rawDescGZIP(), []int{1}
+}
+
+type Command struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Id            int64                  `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	Command       []string               `protobuf:"bytes,2,rep,name=command,proto3" json:"command,omitempty"`
+	Stdin         *string                `protobuf:"bytes,3,opt,name=stdin,proto3,oneof" json:"stdin,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *Command) Reset() {
+	*x = Command{}
+	mi := &file_hellreign_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Command) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Command) ProtoMessage() {}
+
+func (x *Command) ProtoReflect() protoreflect.Message {
+	mi := &file_hellreign_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Command.ProtoReflect.Descriptor instead.
+func (*Command) Descriptor() ([]byte, []int) {
+	return file_hellreign_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *Command) GetId() int64 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *Command) GetCommand() []string {
+	if x != nil {
+		return x.Command
+	}
+	return nil
+}
+
+func (x *Command) GetStdin() string {
+	if x != nil && x.Stdin != nil {
+		return *x.Stdin
+	}
+	return ""
+}
+
+type FinishedCommand struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Id            int64                  `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	Status        int32                  `protobuf:"varint,2,opt,name=status,proto3" json:"status,omitempty"`
+	Stdout        string                 `protobuf:"bytes,3,opt,name=stdout,proto3" json:"stdout,omitempty"`
+	Stderr        string                 `protobuf:"bytes,4,opt,name=stderr,proto3" json:"stderr,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *FinishedCommand) Reset() {
+	*x = FinishedCommand{}
+	mi := &file_hellreign_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *FinishedCommand) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FinishedCommand) ProtoMessage() {}
+
+func (x *FinishedCommand) ProtoReflect() protoreflect.Message {
+	mi := &file_hellreign_proto_msgTypes[3]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FinishedCommand.ProtoReflect.Descriptor instead.
+func (*FinishedCommand) Descriptor() ([]byte, []int) {
+	return file_hellreign_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *FinishedCommand) GetId() int64 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *FinishedCommand) GetStatus() int32 {
+	if x != nil {
+		return x.Status
+	}
+	return 0
+}
+
+func (x *FinishedCommand) GetStdout() string {
+	if x != nil {
+		return x.Stdout
+	}
+	return ""
+}
+
+func (x *FinishedCommand) GetStderr() string {
+	if x != nil {
+		return x.Stderr
+	}
+	return ""
+}
+
+var File_hellreign_proto protoreflect.FileDescriptor
+
+const file_hellreign_proto_rawDesc = "" +
+	"\n" +
+	"\x0fhellreign.proto\x12\x04chat\",\n" +
+	"\x10CollectorRequest\x12\x18\n" +
+	"\amessage\x18\x01 \x01(\tR\amessage\"\x13\n" +
+	"\x11CollectorResponse\"X\n" +
+	"\aCommand\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\x03R\x02id\x12\x18\n" +
+	"\acommand\x18\x02 \x03(\tR\acommand\x12\x19\n" +
+	"\x05stdin\x18\x03 \x01(\tH\x00R\x05stdin\x88\x01\x01B\b\n" +
+	"\x06_stdin\"i\n" +
+	"\x0fFinishedCommand\x12\x0e\n" +
+	"\x02id\x18\x01 \x01(\x03R\x02id\x12\x16\n" +
+	"\x06status\x18\x02 \x01(\x05R\x06status\x12\x16\n" +
+	"\x06stdout\x18\x03 \x01(\tR\x06stdout\x12\x16\n" +
+	"\x06stderr\x18\x04 \x01(\tR\x06stderr2H\n" +
+	"\tCollector\x12;\n" +
+	"\x06Stream\x12\x16.chat.CollectorRequest\x1a\x17.chat.CollectorResponse(\x012?\n" +
+	"\tCommander\x122\n" +
+	"\x06Stream\x12\x15.chat.FinishedCommand\x1a\r.chat.Command(\x010\x01B0Z.gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto/protob\x06proto3"
+
+var (
+	file_hellreign_proto_rawDescOnce sync.Once
+	file_hellreign_proto_rawDescData []byte
+)
+
+func file_hellreign_proto_rawDescGZIP() []byte {
+	file_hellreign_proto_rawDescOnce.Do(func() {
+		file_hellreign_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_hellreign_proto_rawDesc), len(file_hellreign_proto_rawDesc)))
+	})
+	return file_hellreign_proto_rawDescData
+}
+
+var file_hellreign_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_hellreign_proto_goTypes = []any{
+	(*CollectorRequest)(nil),  // 0: chat.CollectorRequest
+	(*CollectorResponse)(nil), // 1: chat.CollectorResponse
+	(*Command)(nil),           // 2: chat.Command
+	(*FinishedCommand)(nil),   // 3: chat.FinishedCommand
+}
+var file_hellreign_proto_depIdxs = []int32{
+	0, // 0: chat.Collector.Stream:input_type -> chat.CollectorRequest
+	3, // 1: chat.Commander.Stream:input_type -> chat.FinishedCommand
+	1, // 2: chat.Collector.Stream:output_type -> chat.CollectorResponse
+	2, // 3: chat.Commander.Stream:output_type -> chat.Command
+	2, // [2:4] is the sub-list for method output_type
+	0, // [0:2] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_hellreign_proto_init() }
+func file_hellreign_proto_init() {
+	if File_hellreign_proto != nil {
+		return
+	}
+	file_hellreign_proto_msgTypes[2].OneofWrappers = []any{}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_hellreign_proto_rawDesc), len(file_hellreign_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   4,
+			NumExtensions: 0,
+			NumServices:   2,
+		},
+		GoTypes:           file_hellreign_proto_goTypes,
+		DependencyIndexes: file_hellreign_proto_depIdxs,
+		MessageInfos:      file_hellreign_proto_msgTypes,
+	}.Build()
+	File_hellreign_proto = out.File
+	file_hellreign_proto_goTypes = nil
+	file_hellreign_proto_depIdxs = nil
+}

proto/proto/hellreign_grpc.pb.go

@@ -0,0 +1,210 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.1
+// - protoc             v3.21.9
+// source: hellreign.proto
+
+package proto
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	Collector_Stream_FullMethodName = "/chat.Collector/Stream"
+)
+
+// CollectorClient is the client API for Collector service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type CollectorClient interface {
+	Stream(ctx context.Context, opts ...grpc.CallOption) (grpc.ClientStreamingClient[CollectorRequest, CollectorResponse], error)
+}
+
+type collectorClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewCollectorClient(cc grpc.ClientConnInterface) CollectorClient {
+	return &collectorClient{cc}
+}
+
+func (c *collectorClient) Stream(ctx context.Context, opts ...grpc.CallOption) (grpc.ClientStreamingClient[CollectorRequest, CollectorResponse], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &Collector_ServiceDesc.Streams[0], Collector_Stream_FullMethodName, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &grpc.GenericClientStream[CollectorRequest, CollectorResponse]{ClientStream: stream}
+	return x, nil
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type Collector_StreamClient = grpc.ClientStreamingClient[CollectorRequest, CollectorResponse]
+
+// CollectorServer is the server API for Collector service.
+// All implementations must embed UnimplementedCollectorServer
+// for forward compatibility.
+type CollectorServer interface {
+	Stream(grpc.ClientStreamingServer[CollectorRequest, CollectorResponse]) error
+	mustEmbedUnimplementedCollectorServer()
+}
+
+// UnimplementedCollectorServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedCollectorServer struct{}
+
+func (UnimplementedCollectorServer) Stream(grpc.ClientStreamingServer[CollectorRequest, CollectorResponse]) error {
+	return status.Error(codes.Unimplemented, "method Stream not implemented")
+}
+func (UnimplementedCollectorServer) mustEmbedUnimplementedCollectorServer() {}
+func (UnimplementedCollectorServer) testEmbeddedByValue()                   {}
+
+// UnsafeCollectorServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to CollectorServer will
+// result in compilation errors.
+type UnsafeCollectorServer interface {
+	mustEmbedUnimplementedCollectorServer()
+}
+
+func RegisterCollectorServer(s grpc.ServiceRegistrar, srv CollectorServer) {
+	// If the following call panics, it indicates UnimplementedCollectorServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&Collector_ServiceDesc, srv)
+}
+
+func _Collector_Stream_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(CollectorServer).Stream(&grpc.GenericServerStream[CollectorRequest, CollectorResponse]{ServerStream: stream})
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type Collector_StreamServer = grpc.ClientStreamingServer[CollectorRequest, CollectorResponse]
+
+// Collector_ServiceDesc is the grpc.ServiceDesc for Collector service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Collector_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "chat.Collector",
+	HandlerType: (*CollectorServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "Stream",
+			Handler:       _Collector_Stream_Handler,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "hellreign.proto",
+}
+
+const (
+	Commander_Stream_FullMethodName = "/chat.Commander/Stream"
+)
+
+// CommanderClient is the client API for Commander service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type CommanderClient interface {
+	Stream(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[FinishedCommand, Command], error)
+}
+
+type commanderClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewCommanderClient(cc grpc.ClientConnInterface) CommanderClient {
+	return &commanderClient{cc}
+}
+
+func (c *commanderClient) Stream(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[FinishedCommand, Command], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &Commander_ServiceDesc.Streams[0], Commander_Stream_FullMethodName, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &grpc.GenericClientStream[FinishedCommand, Command]{ClientStream: stream}
+	return x, nil
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type Commander_StreamClient = grpc.BidiStreamingClient[FinishedCommand, Command]
+
+// CommanderServer is the server API for Commander service.
+// All implementations must embed UnimplementedCommanderServer
+// for forward compatibility.
+type CommanderServer interface {
+	Stream(grpc.BidiStreamingServer[FinishedCommand, Command]) error
+	mustEmbedUnimplementedCommanderServer()
+}
+
+// UnimplementedCommanderServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedCommanderServer struct{}
+
+func (UnimplementedCommanderServer) Stream(grpc.BidiStreamingServer[FinishedCommand, Command]) error {
+	return status.Error(codes.Unimplemented, "method Stream not implemented")
+}
+func (UnimplementedCommanderServer) mustEmbedUnimplementedCommanderServer() {}
+func (UnimplementedCommanderServer) testEmbeddedByValue()                   {}
+
+// UnsafeCommanderServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to CommanderServer will
+// result in compilation errors.
+type UnsafeCommanderServer interface {
+	mustEmbedUnimplementedCommanderServer()
+}
+
+func RegisterCommanderServer(s grpc.ServiceRegistrar, srv CommanderServer) {
+	// If the following call panics, it indicates UnimplementedCommanderServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&Commander_ServiceDesc, srv)
+}
+
+func _Commander_Stream_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(CommanderServer).Stream(&grpc.GenericServerStream[FinishedCommand, Command]{ServerStream: stream})
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type Commander_StreamServer = grpc.BidiStreamingServer[FinishedCommand, Command]
+
+// Commander_ServiceDesc is the grpc.ServiceDesc for Commander service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Commander_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "chat.Commander",
+	HandlerType: (*CommanderServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "Stream",
+			Handler:       _Commander_Stream_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "hellreign.proto",
+}