debug logs

agent/dockerfile

@@ -2,16 +2,14 @@ FROM golang:1.26.1 as builder
 
 WORKDIR /app
 
-COPY go.mod go.sum ./
-RUN --mount=type=cache,target=/go/pkg/mod \
-  --mount=type=cache,target=/root/.cache/go-build \
-  go mod download
+COPY proto/ proto/
+COPY agent/ agent/
 
-COPY . .
-ENV CGO_ENABLED=0
+WORKDIR /app/agent
 RUN --mount=type=cache,target=/go/pkg/mod \
   --mount=type=cache,target=/root/.cache/go-build \
-  go build -ldflags "-s -w" -o agent ./main.go
+  go mod download && \
+  CGO_ENABLED=0 go build -ldflags "-s -w" -o /agent .
 
 FROM debian:bookworm-slim
 
@@ -21,6 +19,6 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 WORKDIR /app
 
-COPY --from=builder /app/agent .
+COPY --from=builder /agent .
 
 CMD ["./agent"]

agent/go.mod

@@ -4,15 +4,33 @@ 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 (
-	go.opentelemetry.io/otel v1.41.0 // indirect
+	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/grpc v1.80.0 // 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

@@ -1,11 +1,9 @@
-gitea.d3m0k1d.ru/d3m0k1d/HellreigN v0.0.0-20260403210401-a6212c89fc0e/go.mod h1:dXlVaOzoQVl3cOgArvPXcMQsoamUiIi4DHwDp7GtzQU=
-gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto v0.0.0-20260403205628-0f9697f6f32e h1:aMvfJ7c0LvxIiyBy9tJDxIkP0daHbW4ZOx+06JgRM90=
-gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto v0.0.0-20260403205628-0f9697f6f32e/go.mod h1:1DByetpOnW2+AjM8ZWbJ1Xfzprus8fBie2AMUP/YHHA=
-gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto v0.0.0-20260403210401-a6212c89fc0e/go.mod h1:1DByetpOnW2+AjM8ZWbJ1Xfzprus8fBie2AMUP/YHHA=
-gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto v0.0.0-20260403214837-94be9799f47d h1:oBBLU8/nhXgOr0Z/M/t4pYj3KjuRj8AI15J0RJCiRt8=
-gitea.d3m0k1d.ru/d3m0k1d/HellreigN/proto v0.0.0-20260403214837-94be9799f47d/go.mod h1:FEPB3qn+wXkes/eArIMdq1/3CbHnSDUxsUtXhC8mgOg=
 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=
 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=
@@ -14,8 +12,20 @@ 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/pprof v0.0.0-20240409012703-83162a5b38cd h1:gbpYu9NMq8jhDVbvlGkMFWCjLFlqqEZjEmObmhUy6Vo=
+github.com/google/pprof v0.0.0-20240409012703-83162a5b38cd/go.mod h1:kf6iHlnVGwgKolg33glAes7Yg/8iWP8ukqeldJSO7jw=
 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=
+github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
+github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
+github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/samber/lo v1.53.0 h1:t975lj2py4kJPQ6haz1QMgtId2gtmfktACxIXArw3HM=
+github.com/samber/lo v1.53.0/go.mod h1:4+MXEGsJzbKGaUEQFKBq2xtfuznW9oz/WrgyzMzRoM0=
 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=
@@ -28,14 +38,19 @@ go.opentelemetry.io/otel/sdk/metric v1.39.0 h1:cXMVVFVgsIf2YL6QkRF4Urbr/aMInf+2W
 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/mod v0.33.0 h1:tHFzIWbBifEmbwtGz65eaWyGiGZatSrT9prnU8DbVL8=
+golang.org/x/mod v0.33.0/go.mod h1:swjeQEj+6r7fODbD2cqrnje9PnziFuw4bmLbBZFrQ5w=
 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/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
 golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 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=
+golang.org/x/tools v0.42.0 h1:uNgphsn75Tdz5Ji2q36v/nsFSfR/9BRFvqhGBaJGd5k=
+golang.org/x/tools v0.42.0/go.mod h1:Ma6lCIwGZvHK6XtgbswSoWroEkhugApmsXyrUmBhfr0=
 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=
@@ -44,3 +59,35 @@ 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=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+modernc.org/cc/v4 v4.21.4 h1:3Be/Rdo1fpr8GrQ7IVw9OHtplU4gWbb+wNgeoBMmGLQ=
+modernc.org/cc/v4 v4.21.4/go.mod h1:HM7VJTZbUCR3rV8EYBi9wxnJ0ZBRiGE5OeGXNA0IsLQ=
+modernc.org/ccgo/v4 v4.19.2 h1:lwQZgvboKD0jBwdaeVCTouxhxAyN6iawF3STraAal8Y=
+modernc.org/ccgo/v4 v4.19.2/go.mod h1:ysS3mxiMV38XGRTTcgo0DQTeTmAO4oCmJl1nX9VFI3s=
+modernc.org/fileutil v1.3.0 h1:gQ5SIzK3H9kdfai/5x41oQiKValumqNTDXMvKo62HvE=
+modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ=
+modernc.org/gc/v2 v2.4.1 h1:9cNzOqPyMJBvrUipmynX0ZohMhcxPtMccYgGOJdOiBw=
+modernc.org/gc/v2 v2.4.1/go.mod h1:wzN5dK1AzVGoH6XOzc3YZ+ey/jPgYHLuVckd62P0GYU=
+modernc.org/libc v1.55.3 h1:AzcW1mhlPNrRtjS5sS+eW2ISCgSOLLNyFzRh/V3Qj/U=
+modernc.org/libc v1.55.3/go.mod h1:qFXepLhz+JjFThQ4kzwzOjA/y/artDeg+pcYnY+Q83w=
+modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4=
+modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo=
+modernc.org/memory v1.8.0 h1:IqGTL6eFMaDZZhEWwcREgeMXYwmW83LYW8cROZYkg+E=
+modernc.org/memory v1.8.0/go.mod h1:XPZ936zp5OMKGWPqbD3JShgd/ZoQ7899TUuQqxY+peU=
+modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4=
+modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
+modernc.org/sortutil v1.2.0 h1:jQiD3PfS2REGJNzNCMMaLSp/wdMNieTbKX920Cqdgqc=
+modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss=
+modernc.org/sqlite v1.34.5 h1:Bb6SR13/fjp15jt70CL4f18JIN7p7dnMExd+UFnF15g=
+modernc.org/sqlite v1.34.5/go.mod h1:YLuNmX9NKs8wRNK2ko1LW1NGYcc9FkBO69JOt1AR9JE=
+modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA=
+modernc.org/strutil v1.2.0/go.mod h1:/mdcBmfOibveCTBxUl5B5l6W+TTH1FXPLHZE6bTosX0=
+modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
+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

@@ -13,26 +13,29 @@ import (
 	"golang.org/x/sync/errgroup"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/metadata"
 )
 
 type CommanderClient struct {
-	cmder *commander.Commander
-	wg    *sync.WaitGroup
+	cmder     *commander.CommandExecutor
+	wg        *sync.WaitGroup
+	id, label string
 }
 
 func New(
-	cmder *commander.Commander,
-	wg *sync.WaitGroup,
+	cmder *commander.CommandExecutor,
+	id, label string,
 ) CommanderClient {
-	return CommanderClient{cmder, wg}
+	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(ctx)
+	bidi, err := ccli.Stream(metadata.NewOutgoingContext(ctx, metadata.MD{"agentid": []string{self.id}, "label": []string{self.label}}))
 	if err != nil {
 		return err
 	}
@@ -56,7 +59,6 @@ func (self *CommanderClient) recv(bidi grpc.BidiStreamingClient[proto.FinishedCo
 			}
 			self.wg.Go(func() {
 				func() error {
-
 					fc, err := self.cmder.Execute(msg)
 					if err != nil {
 						return err

agent/internal/commander/impl.go

@@ -10,10 +10,10 @@ import (
 	"golang.org/x/sync/errgroup"
 )
 
-type Commander struct {
+type CommandExecutor struct {
 }
 
-func (*Commander) Execute(command *proto.Command) (*proto.FinishedCommand, error) {
+func (*CommandExecutor) Execute(command *proto.Command) (*proto.FinishedCommand, error) {
 	cmd := exec.Command(command.Command[0], command.Command[1:]...)
 	var (
 		stdin io.WriteCloser

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

@@ -1 +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/cmd/main.go

@@ -2,17 +2,28 @@ 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
@@ -37,25 +48,84 @@ func main() {
 	defer db.Close()
 
 	h := handlers.New(db)
-	agents := handlers.AgentsGroup{Handlers: h}
+
+	// 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,
-				PermissionAdmin: true,
+				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")
+			}
 		}
 	}
 
@@ -84,6 +154,17 @@ func main() {
 			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)
@@ -93,38 +174,129 @@ func main() {
 			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())
 		{
-			if cfg.Database.Clickhouse_host != "" {
-				chConn, err := storage.OpenClickHouse(storage.ClickHouseConfig{
-					Host:     cfg.Database.Clickhouse_host,
-					User:     cfg.Database.Clickhouse_user,
-					Password: cfg.Database.Clickhouse_password,
-					Database: cfg.Database.Clickhouse_database,
-				})
-				if err != nil {
-					log.Printf("Warning: ClickHouse connection failed: %v", err)
-				} else {
-					defer chConn.Close()
+			// Mock logs endpoint (always available, no ClickHouse required)
+			mockLogHandlers := handlers.NewLogHandlers(nil)
+			logsGroup.GET("/mock", mockLogHandlers.GetMockLogs)
 
-					logRepo := repository.NewLogRepository(chConn)
-					if err := logRepo.Init(context.Background()); err != nil {
-						log.Printf("Warning: Failed to initialize logs table: %v", err)
-					}
+			// 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)
+		}
 
-					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)
 		}
 	}
 
-	log.Fatal(router.Run(":8080"))
+	// 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

@@ -2,7 +2,9 @@ FROM golang:1.26.1 as builder
 
 WORKDIR /app
 
-COPY . .
+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 \
@@ -12,13 +14,11 @@ RUN --mount=type=cache,target=/go/pkg/mod \
 
 FROM alpine:3.23.0
 
-RUN apk add --no-cache curl openssl bash
+RUN apk add --no-cache curl openssl bash ansible
 
-COPY --from=builder /app/backend .
-#COPY --from=builder /app/scripts /etc/mnemosyne/scripts
-#RUN chmod +x /etc/mnemosyne/scripts/generate-certs.sh
+COPY --from=builder /app/backend/backend .
+COPY --from=builder /app/backend/scripts /etc/hellreign/scripts
+RUN chmod +x /etc/hellreign/scripts/generate-certs.sh
 
-EXPOSE 8080
-HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD [ "curl --fail http://localhost:8080/health" ]
-
-CMD ["./backend"]
+# 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/docs/swagger.yaml

@@ -1,5 +1,157 @@
 definitions:
-  gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_repository.LoginRequest:
+  handlers.AgentInfo:
+    properties:
+      connected_at:
+        type: string
+      label:
+        type: string
+      services:
+        items:
+          type: string
+        type: array
+      token:
+        type: string
+    type: object
+  handlers.InsertLogRequest:
+    properties:
+      agent:
+        type: string
+      level:
+        type: string
+      message:
+        type: string
+      service:
+        type: string
+      timestamp:
+        type: string
+    required:
+    - agent
+    - level
+    - message
+    - service
+    type: object
+  handlers.InsertLogsRequest:
+    properties:
+      logs:
+        items:
+          $ref: '#/definitions/handlers.InsertLogRequest'
+        type: array
+    required:
+    - logs
+    type: object
+  handlers.RegisterRequest:
+    properties:
+      csr:
+        type: string
+      token:
+        type: string
+    required:
+    - csr
+    - token
+    type: object
+  handlers.RegisterResponse:
+    properties:
+      ca_cert:
+        type: string
+      client_cert:
+        type: string
+    type: object
+  repository.AgentDeployConfig:
+    description: Configuration for deploying HellreigN agent to a single server
+    properties:
+      agentLabel:
+        example: production-server-1
+        type: string
+      authMethod:
+        allOf:
+        - $ref: '#/definitions/repository.AuthMethod'
+        example: key
+      deployType:
+        allOf:
+        - $ref: '#/definitions/repository.DeployType'
+        example: docker
+      ip:
+        example: 192.168.1.100
+        type: string
+      password:
+        example: secret
+        type: string
+      port:
+        example: 22
+        type: integer
+      sshKey:
+        example: '-----BEGIN OPENSSH PRIVATE KEY-----'
+        type: string
+      user:
+        example: admin
+        type: string
+    required:
+    - agentLabel
+    - authMethod
+    - deployType
+    - ip
+    - user
+    type: object
+  repository.AuthMethod:
+    description: 'SSH authentication method: key or password'
+    enum:
+    - key
+    - password
+    type: string
+    x-enum-varnames:
+    - AuthMethodKey
+    - AuthMethodPassword
+  repository.DeployAgentsRequest:
+    description: Request to deploy HellreigN agents to multiple servers
+    properties:
+      servers:
+        items:
+          $ref: '#/definitions/repository.AgentDeployConfig'
+        minItems: 1
+        type: array
+    required:
+    - servers
+    type: object
+  repository.DeployResponse:
+    description: Response containing deployment results and registration tokens
+    properties:
+      message:
+        example: Deployment completed
+        type: string
+      results:
+        items:
+          $ref: '#/definitions/repository.DeployResult'
+        type: array
+    type: object
+  repository.DeployResult:
+    description: Result of deploying to a single server
+    properties:
+      agent_label:
+        example: production-server-1
+        type: string
+      error:
+        example: ""
+        type: string
+      ip:
+        example: 192.168.1.100
+        type: string
+      success:
+        example: true
+        type: boolean
+      token:
+        example: abc123...
+        type: string
+    type: object
+  repository.DeployType:
+    description: 'Type of deployment: docker or binary'
+    enum:
+    - docker
+    - binary
+    type: string
+    x-enum-varnames:
+    - DeployTypeDocker
+    - DeployTypeBinary
+  repository.LoginRequest:
     properties:
       login:
         type: string
@@ -9,8 +161,10 @@ definitions:
     - login
     - password
     type: object
-  gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_repository.LoginResponse:
+  repository.LoginResponse:
     properties:
+      is_active:
+        type: boolean
       last_name:
         type: string
       login:
@@ -26,8 +180,17 @@ definitions:
       token:
         type: string
     type: object
-  gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_repository.TokenCreate:
+  repository.RegistrationRequest:
     properties:
+      label:
+        type: string
+    required:
+    - label
+    type: object
+  repository.TokenCreate:
+    properties:
+      is_active:
+        type: boolean
       last_name:
         type: string
       login:
@@ -48,10 +211,37 @@ definitions:
     - name
     - password
     type: object
-  gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_repository.Tokens:
+  repository.TokenPasswordReset:
+    properties:
+      new_password:
+        type: string
+    required:
+    - new_password
+    type: object
+  repository.TokenUpdate:
+    properties:
+      last_name:
+        type: string
+      name:
+        type: string
+    type: object
+  repository.TokenUpdatePermissions:
+    properties:
+      is_active:
+        type: boolean
+      permission_admin:
+        type: boolean
+      permission_manage_agent:
+        type: boolean
+      permission_view:
+        type: boolean
+    type: object
+  repository.Tokens:
     properties:
       id:
         type: integer
+      is_active:
+        type: boolean
       last_name:
         type: string
       login:
@@ -67,7 +257,7 @@ definitions:
       token:
         type: string
     type: object
-  gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_storage.LogEntry:
+  storage.LogEntry:
     properties:
       agent:
         type: string
@@ -80,50 +270,13 @@ definitions:
       timestamp:
         type: string
     type: object
-  internal_handlers.AgentInfo:
-    properties:
-      label:
-        type: string
-      services:
-        items:
-          type: string
-        type: array
-      token:
-        type: string
-    type: object
-  internal_handlers.InsertLogRequest:
-    properties:
-      agent:
-        type: string
-      level:
-        type: string
-      message:
-        type: string
-      service:
-        type: string
-      timestamp:
-        type: string
-    required:
-    - agent
-    - level
-    - message
-    - service
-    type: object
-  internal_handlers.InsertLogsRequest:
-    properties:
-      logs:
-        items:
-          $ref: '#/definitions/internal_handlers.InsertLogRequest'
-        type: array
-    required:
-    - logs
-    type: object
 info:
   contact: {}
 paths:
   /agents:
     get:
-      description: Returns a list of all agents currently connected via gRPC streaming
+      description: Returns a list of all agents currently connected via Collector
+        (log streaming)
       produces:
       - application/json
       responses:
@@ -131,11 +284,96 @@ paths:
           description: OK
           schema:
             items:
-              $ref: '#/definitions/internal_handlers.AgentInfo'
+              $ref: '#/definitions/handlers.AgentInfo'
             type: array
+      security:
+      - Bearer: []
       summary: Get connected agents
       tags:
       - agents
+  /agents/deploy:
+    post:
+      consumes:
+      - application/json
+      description: Deploy HellreigN agents to multiple servers using Ansible playbooks.
+        Supports Docker and Binary deployment types.
+      parameters:
+      - description: Deployment configuration for servers
+        in: body
+        name: request
+        required: true
+        schema:
+          $ref: '#/definitions/repository.DeployAgentsRequest'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: Deployment results with tokens for each server
+          schema:
+            $ref: '#/definitions/repository.DeployResponse'
+        "400":
+          description: Invalid request
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "500":
+          description: Internal server error
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      security:
+      - Bearer: []
+      summary: Deploy agents to multiple servers via Ansible
+      tags:
+      - agents
+  /agents/register:
+    post:
+      consumes:
+      - application/json
+      parameters:
+      - description: CSR + token
+        in: body
+        name: request
+        required: true
+        schema:
+          $ref: '#/definitions/handlers.RegisterRequest'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/handlers.RegisterResponse'
+      summary: Register agent
+      tags:
+      - agents
+  /agents/register-token:
+    post:
+      consumes:
+      - application/json
+      parameters:
+      - description: Label
+        in: body
+        name: request
+        required: true
+        schema:
+          $ref: '#/definitions/repository.RegistrationRequest'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      security:
+      - Bearer: []
+      summary: Create registration token
+      tags:
+      - agents
   /auth/login:
     post:
       consumes:
@@ -147,12 +385,12 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_repository.LoginRequest'
+          $ref: '#/definitions/repository.LoginRequest'
       responses:
         "200":
           description: OK
           schema:
-            $ref: '#/definitions/gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_repository.LoginResponse'
+            $ref: '#/definitions/repository.LoginResponse'
         "400":
           description: Bad Request
           schema:
@@ -165,6 +403,12 @@ paths:
             additionalProperties:
               type: string
             type: object
+        "403":
+          description: Forbidden
+          schema:
+            additionalProperties:
+              type: string
+            type: object
       summary: Login
       tags:
       - auth
@@ -203,7 +447,7 @@ paths:
         name: request
         required: true
         schema:
-          $ref: '#/definitions/gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_repository.TokenCreate'
+          $ref: '#/definitions/repository.TokenCreate'
       responses:
         "200":
           description: OK
@@ -242,7 +486,7 @@ paths:
           description: OK
           schema:
             items:
-              $ref: '#/definitions/gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_repository.Tokens'
+              $ref: '#/definitions/repository.Tokens'
             type: array
         "500":
           description: Internal Server Error
@@ -284,6 +528,272 @@ paths:
       summary: Delete user
       tags:
       - auth
+  /auth/users/:login:
+    get:
+      description: Returns a user by their login (admin only)
+      parameters:
+      - description: Login of the user
+        in: path
+        name: login
+        required: true
+        type: string
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/repository.Tokens'
+        "400":
+          description: Bad Request
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "404":
+          description: Not Found
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "500":
+          description: Internal Server Error
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      summary: Get user by login
+      tags:
+      - auth
+    put:
+      consumes:
+      - application/json
+      description: Updates a user's name and last name (admin only)
+      parameters:
+      - description: Login of the user
+        in: path
+        name: login
+        required: true
+        type: string
+      - description: User data to update
+        in: body
+        name: request
+        required: true
+        schema:
+          $ref: '#/definitions/repository.TokenUpdate'
+      responses:
+        "200":
+          description: OK
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "400":
+          description: Bad Request
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "404":
+          description: Not Found
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "500":
+          description: Internal Server Error
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      summary: Update user
+      tags:
+      - auth
+  /auth/users/:login/activate:
+    post:
+      description: Activates a user account by login (admin only)
+      parameters:
+      - description: Login of the user to activate
+        in: path
+        name: login
+        required: true
+        type: string
+      responses:
+        "200":
+          description: OK
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "400":
+          description: Bad Request
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "404":
+          description: Not Found
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "500":
+          description: Internal Server Error
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      summary: Activate user
+      tags:
+      - auth
+  /auth/users/:login/deactivate:
+    post:
+      description: Deactivates a user account by login (admin only)
+      parameters:
+      - description: Login of the user to deactivate
+        in: path
+        name: login
+        required: true
+        type: string
+      responses:
+        "200":
+          description: OK
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "400":
+          description: Bad Request
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "404":
+          description: Not Found
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "500":
+          description: Internal Server Error
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      summary: Deactivate user
+      tags:
+      - auth
+  /auth/users/:login/password:
+    put:
+      consumes:
+      - application/json
+      description: Resets a user's password to a new value (admin only)
+      parameters:
+      - description: Login of the user
+        in: path
+        name: login
+        required: true
+        type: string
+      - description: New password
+        in: body
+        name: request
+        required: true
+        schema:
+          $ref: '#/definitions/repository.TokenPasswordReset'
+      responses:
+        "200":
+          description: OK
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "400":
+          description: Bad Request
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "404":
+          description: Not Found
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "500":
+          description: Internal Server Error
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      summary: Reset user password
+      tags:
+      - auth
+  /auth/users/:login/permissions:
+    put:
+      consumes:
+      - application/json
+      description: Updates a user's permissions and activation status (admin only)
+      parameters:
+      - description: Login of the user
+        in: path
+        name: login
+        required: true
+        type: string
+      - description: Permissions to update
+        in: body
+        name: request
+        required: true
+        schema:
+          $ref: '#/definitions/repository.TokenUpdatePermissions'
+      responses:
+        "200":
+          description: OK
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "400":
+          description: Bad Request
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "404":
+          description: Not Found
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+        "500":
+          description: Internal Server Error
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      summary: Update user permissions
+      tags:
+      - auth
+  /auth/users/inactive:
+    get:
+      description: Returns list of all users waiting for activation
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            items:
+              $ref: '#/definitions/repository.Tokens'
+            type: array
+        "500":
+          description: Internal Server Error
+          schema:
+            additionalProperties:
+              type: string
+            type: object
+      summary: List inactive users
+      tags:
+      - auth
   /auth/validate:
     get:
       description: Check if the provided Bearer token is valid and return its permissions
@@ -293,7 +803,7 @@ paths:
         "200":
           description: OK
           schema:
-            $ref: '#/definitions/gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_repository.Tokens'
+            $ref: '#/definitions/repository.Tokens'
         "401":
           description: Unauthorized
           schema:
@@ -344,8 +854,10 @@ paths:
           description: OK
           schema:
             items:
-              $ref: '#/definitions/gitea_d3m0k1d_ru_d3m0k1d_HellreigN_backend_internal_storage.LogEntry'
+              $ref: '#/definitions/storage.LogEntry'
             type: array
+      security:
+      - Bearer: []
       summary: Search logs
       tags:
       - logs
@@ -359,7 +871,7 @@ paths:
         name: body
         required: true
         schema:
-          $ref: '#/definitions/internal_handlers.InsertLogRequest'
+          $ref: '#/definitions/handlers.InsertLogRequest'
       produces:
       - application/json
       responses:
@@ -369,6 +881,8 @@ paths:
             additionalProperties:
               type: string
             type: object
+      security:
+      - Bearer: []
       summary: Insert log entry
       tags:
       - logs
@@ -384,6 +898,8 @@ paths:
             items:
               type: string
             type: array
+      security:
+      - Bearer: []
       summary: Get distinct agents
       tags:
       - logs
@@ -398,7 +914,7 @@ paths:
         name: body
         required: true
         schema:
-          $ref: '#/definitions/internal_handlers.InsertLogsRequest'
+          $ref: '#/definitions/handlers.InsertLogsRequest'
       produces:
       - application/json
       responses:
@@ -408,6 +924,8 @@ paths:
             additionalProperties:
               type: string
             type: object
+      security:
+      - Bearer: []
       summary: Insert log entries (batch)
       tags:
       - logs
@@ -423,9 +941,52 @@ paths:
             items:
               type: string
             type: array
+      security:
+      - Bearer: []
       summary: Get distinct log levels
       tags:
       - logs
+  /logs/mock:
+    get:
+      description: Returns 100 mock log entries for frontend development (no ClickHouse
+        required)
+      parameters:
+      - description: Filter by level
+        in: query
+        name: level
+        type: string
+      - description: Filter by service
+        in: query
+        name: service
+        type: string
+      - description: Filter by agent
+        in: query
+        name: agent
+        type: string
+      - default: 100
+        description: Limit results
+        in: query
+        name: limit
+        type: integer
+      - default: 0
+        description: Offset results
+        in: query
+        name: offset
+        type: integer
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            items:
+              $ref: '#/definitions/storage.LogEntry'
+            type: array
+      security:
+      - Bearer: []
+      summary: Get mock logs
+      tags:
+      - logs
   /logs/services:
     get:
       description: Returns list of all unique service names in logs
@@ -438,6 +999,8 @@ paths:
             items:
               type: string
             type: array
+      security:
+      - Bearer: []
       summary: Get distinct services
       tags:
       - logs

backend/go.mod

@@ -3,11 +3,15 @@ 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
 )
@@ -65,15 +69,16 @@ require (
 	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/crypto v0.49.0 // indirect
 	golang.org/x/mod v0.34.0 // indirect
 	golang.org/x/net v0.52.0 // indirect
-	golang.org/x/sync v0.20.0 // 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

@@ -33,6 +33,10 @@ github.com/go-faster/city v1.0.1 h1:4WAxSZ3V2Ws4QRDrscLEDcibJY8uf41H6AhXDrNDcGw=
 github.com/go-faster/city v1.0.1/go.mod h1:jKcUJId49qdW3L1qKHH/3wPeUstCVpVSXTM6vO3VcTw=
 github.com/go-faster/errors v0.7.1 h1:MkJTnDoEdi9pDabt1dpWf7AA8/BaSYZqibYyhZ20AYg=
 github.com/go-faster/errors v0.7.1/go.mod h1:5ySTjWFiphBs07IKuiL69nxdfd5+fzh1u7FPGZP2quo=
+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/go-openapi/jsonpointer v0.22.5 h1:8on/0Yp4uTb9f4XvTrM2+1CPrV05QPZXu+rvu2o9jcA=
 github.com/go-openapi/jsonpointer v0.22.5/go.mod h1:gyUR3sCvGSWchA2sUBJGluYMbe1zazrYWIkWPjjMUY0=
 github.com/go-openapi/jsonreference v0.21.5 h1:6uCGVXU/aNF13AQNggxfysJ+5ZcU4nEAe+pJyVWRdiE=
@@ -74,6 +78,8 @@ github.com/goccy/go-yaml v1.19.2 h1:PmFC1S6h8ljIz6gMRBopkjP1TVT7xuwrButHID66PoM=
 github.com/goccy/go-yaml v1.19.2/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
@@ -171,8 +177,16 @@ github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5t
 go.mongodb.org/mongo-driver v1.11.4/go.mod h1:PTSz5yu21bkT/wXpkS7WR5f0ddqw5quethTUn9WM+2g=
 go.mongodb.org/mongo-driver/v2 v2.5.0 h1:yXUhImUjjAInNcpTcAlPHiT7bIXhshCTL3jVBkF3xaE=
 go.mongodb.org/mongo-driver/v2 v2.5.0/go.mod h1:yOI9kBsufol30iFsl1slpdq1I0eHPzybRWdyYUs8K/0=
+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=
 go.uber.org/mock v0.6.0 h1:hyF9dfmbgIX5EfOdasqLsWD6xqpNZlXblLB/Dbnwv3Y=
@@ -243,6 +257,12 @@ golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+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 v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=

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/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

@@ -1,26 +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"`
+	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 gRPC streaming
+// @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) {
-	c.JSON(http.StatusOK, gin.H{"message": "Agents list"})
+	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

@@ -23,6 +23,7 @@ type AuthGroup struct {
 // @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
@@ -37,6 +38,10 @@ func (ag *AuthGroup) Login(c *gin.Context) {
 			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
 	}
@@ -168,6 +173,223 @@ func (ag *AuthGroup) DeleteMyToken(c *gin.Context) {
 	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")

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

@@ -33,6 +33,7 @@ type InsertLogRequest struct {
 // @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
@@ -72,6 +73,7 @@ type InsertLogsRequest struct {
 // @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
@@ -124,6 +126,7 @@ type SearchLogsRequest struct {
 // @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
@@ -170,6 +173,7 @@ func (lh *LogHandlers) Search(c *gin.Context) {
 // @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())
@@ -190,6 +194,7 @@ func (lh *LogHandlers) GetServices(c *gin.Context) {
 // @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())
@@ -210,6 +215,7 @@ func (lh *LogHandlers) GetAgents(c *gin.Context) {
 // @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())

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/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

@@ -2,44 +2,85 @@ package repository
 
 import (
 	"context"
+	"database/sql"
+	"fmt"
+	"sync"
 	"time"
 
 	"gitea.d3m0k1d.ru/d3m0k1d/HellreigN/backend/internal/storage"
-	"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
 )
 
 type LogRepository struct {
-	Conn driver.Conn
+	mu sync.RWMutex
+	DB *sql.DB
 }
 
-func NewLogRepository(conn driver.Conn) *LogRepository {
-	return &LogRepository{Conn: conn}
+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 {
-	return r.Conn.Exec(ctx, storage.CreateLogsTable)
+	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 {
-	return r.Conn.Exec(ctx, `
+	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 {
-	batch, err := r.Conn.PrepareBatch(ctx, "INSERT INTO logs (timestamp, level, service, agent, message)")
-	if err != nil {
-		return err
+	db := r.getDB()
+	if db == nil {
+		return nil
+	}
+	if len(logs) == 0 {
+		return nil
 	}
 
-	for _, log := range logs {
-		if err := batch.Append(log.Timestamp, log.Level, log.Service, log.Agent, log.Message); err != nil {
-			return err
+	// 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)
 	}
 
-	return batch.Send()
+	_, err := db.ExecContext(ctx, query, args...)
+	return err
 }
 
 type LogFilter struct {
@@ -53,6 +94,11 @@ type LogFilter struct {
 }
 
 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
@@ -102,13 +148,13 @@ func (r *LogRepository) Search(ctx context.Context, filter LogFilter) ([]storage
 		args = append(args, filter.Offset)
 	}
 
-	rows, err := r.Conn.Query(ctx, query, args...)
+	rows, err := db.QueryContext(ctx, query, args...)
 	if err != nil {
 		return nil, err
 	}
 	defer rows.Close()
 
-	var logs []storage.LogEntry
+	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 {
@@ -121,13 +167,17 @@ func (r *LogRepository) Search(ctx context.Context, filter LogFilter) ([]storage
 }
 
 func (r *LogRepository) GetDistinctServices(ctx context.Context) ([]string, error) {
-	rows, err := r.Conn.Query(ctx, "SELECT DISTINCT service FROM logs ORDER BY service")
+	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()
 
-	var services []string
+	services := make([]string, 0)
 	for rows.Next() {
 		var service string
 		if err := rows.Scan(&service); err != nil {
@@ -140,13 +190,17 @@ func (r *LogRepository) GetDistinctServices(ctx context.Context) ([]string, erro
 }
 
 func (r *LogRepository) GetDistinctAgents(ctx context.Context) ([]string, error) {
-	rows, err := r.Conn.Query(ctx, "SELECT DISTINCT agent FROM logs ORDER BY agent")
+	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()
 
-	var agents []string
+	agents := make([]string, 0)
 	for rows.Next() {
 		var agent string
 		if err := rows.Scan(&agent); err != nil {
@@ -159,13 +213,17 @@ func (r *LogRepository) GetDistinctAgents(ctx context.Context) ([]string, error)
 }
 
 func (r *LogRepository) GetDistinctLevels(ctx context.Context) ([]string, error) {
-	rows, err := r.Conn.Query(ctx, "SELECT DISTINCT level FROM logs ORDER BY level")
+	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()
 
-	var levels []string
+	levels := make([]string, 0)
 	for rows.Next() {
 		var level string
 		if err := rows.Scan(&level); err != nil {

backend/internal/repository/models.go

@@ -10,6 +10,7 @@ type Tokens struct {
 	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.
@@ -21,6 +22,31 @@ type TokenCreate struct {
 	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.
@@ -38,4 +64,80 @@ type LoginResponse struct {
 	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

@@ -21,14 +21,21 @@ func New(db *sql.DB) *Repository {
 }
 
 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)
-	return err
+	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 {
@@ -41,10 +48,10 @@ func (r *Repository) CreateToken(tc TokenCreate) (string, error) {
 	}
 
 	result, err := r.DB.Exec(
-		`INSERT INTO tokens (name, last_name, login, password, token, permission_view, permission_manage_agent, permission_admin)
-		 VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
+		`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.PermissionView, tc.PermissionManage, tc.PermissionAdmin, tc.IsActive,
 	)
 	if err != nil {
 		return "", err
@@ -63,11 +70,11 @@ func (r *Repository) Login(login, password string) (*LoginResponse, error) {
 	var hashedPassword string
 
 	err := r.DB.QueryRow(
-		`SELECT id, name, last_name, login, password, token, permission_view, permission_manage_agent, permission_admin
+		`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.PermissionView, &t.PermissionManage, &t.PermissionAdmin, &t.IsActive)
 
 	if err != nil {
 		if errors.Is(err, sql.ErrNoRows) {
@@ -80,6 +87,10 @@ func (r *Repository) Login(login, password string) (*LoginResponse, error) {
 		return nil, ErrNotFound
 	}
 
+	if !t.IsActive {
+		return nil, ErrAccountInactive
+	}
+
 	// Generate new token on each login
 	newToken, err := utils.RandomToken()
 	if err != nil {
@@ -99,6 +110,7 @@ func (r *Repository) Login(login, password string) (*LoginResponse, error) {
 		PermissionView:   t.PermissionView,
 		PermissionManage: t.PermissionManage,
 		PermissionAdmin:  t.PermissionAdmin,
+		IsActive:         t.IsActive,
 	}, nil
 }
 
@@ -185,3 +197,266 @@ func (r *Repository) ExistsByLogin(login string) bool {
 	}
 	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

@@ -2,10 +2,12 @@ package storage
 
 import (
 	"context"
+	"database/sql"
 	"fmt"
+	"log"
+	"time"
 
-	"github.com/ClickHouse/clickhouse-go/v2"
-	"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
+	_ "github.com/ClickHouse/clickhouse-go/v2"
 )
 
 type ClickHouseConfig struct {
@@ -15,33 +17,46 @@ type ClickHouseConfig struct {
 	Database string
 }
 
-func OpenClickHouse(cfg ClickHouseConfig) (driver.Conn, error) {
-	conn, err := clickhouse.Open(&clickhouse.Options{
-		Addr: []string{cfg.Host},
-		Auth: clickhouse.Auth{
-			Database: cfg.Database,
-			Username: cfg.User,
-			Password: cfg.Password,
-		},
-		Settings: clickhouse.Settings{
-			"max_execution_time": 60,
-		},
-		Compression: &clickhouse.Compression{
-			Method: clickhouse.CompressionLZ4,
-		},
-		DialTimeout:      30,
-		MaxOpenConns:     10,
-		MaxIdleConns:     5,
-		ConnMaxLifetime:  3600,
-		ConnOpenStrategy: clickhouse.ConnOpenInOrder,
-	})
+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 connect: %w", err)
+		return nil, fmt.Errorf("clickhouse open: %w", err)
 	}
 
-	if err := conn.Ping(context.Background()); err != nil {
+	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)
 	}
 
-	return conn, nil
+	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/migrations.go

@@ -10,7 +10,50 @@ const CreateSqlite = `
 	token TEXT NOT NULL UNIQUE,
 	permission_view BOOL NOT NULL,
 	permission_manage_agent BOOL NOT NULL,
-	permission_admin 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
 );
 `
 

backend/internal/storage/sqlite.go

@@ -36,5 +36,8 @@ func Open(path string) (*sql.DB, error) {
 		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/scripts/generate-certs.sh

@@ -3,7 +3,7 @@
 
 set -e
 
-CERT_DIR="${1:-/etc/mnemosyne/ssl}"
+CERT_DIR="${1:-/etc/HellreigN/ssl}"
 DAYS_VALID=365
 
 echo "Generating CA and server certificates in ${CERT_DIR}..."
@@ -26,7 +26,7 @@ openssl genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:4096 -out "${CERT_DIR}/c
 openssl req -x509 -new -nodes -sha256 -days ${DAYS_VALID} \
     -key "${CERT_DIR}/ca.key" \
     -out "${CERT_DIR}/ca.crt" \
-    -subj "/CN=Mnemosyne Root CA"
+    -subj "/CN=HellreigN Root CA"
 
 # Генерация серверного сертификата
 echo "Generating server certificate..."

infra/agent/config.yml

@@ -1,5 +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:
-  - service1
-  - service2
+  - name: system
+    type: journald

infra/backend/config.yml

@@ -3,3 +3,9 @@ database:
   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

@@ -6,11 +6,11 @@ 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 String,
-    service String,
-    message String,
-    host String,
-    trace_id String
+    level LowCardinality(String),
+    service LowCardinality(String),
+    agent LowCardinality(String),
+    message String
 ) ENGINE = MergeTree()
-ORDER BY (timestamp, service, level);
+ORDER BY (timestamp, level, service, agent)
+SETTINGS index_granularity = 8192;
 "

infra/docker-compose.yml

@@ -13,23 +13,34 @@ services:
     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: ../backend
-      dockerfile: dockerfile
+      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
+      clickhouse:
+        condition: service_healthy
     networks:
       - hellreign
 
@@ -47,13 +58,18 @@ services:
 
   agent:
     build:
-      context: ../agent
-      dockerfile: dockerfile
+      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:
@@ -64,6 +80,10 @@ volumes:
     driver: local
   backend_data:
     driver: local
+  agent_certs:
+    driver: local
+  agent_data:
+    driver: local
 
 networks:
   hellreign: