chore: add ansible deploy simple logic, upgrade admin auth logic and docs

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)
+}