feat: enhance evobgp with new command-line tools for bundle management, including pull, verify, and apply functionalities. Update go.mod to include necessary dependencies and complete todos in architecture plan for improved observability and deployment practices.

internal/birdfmt/birdctl.go

@@ -0,0 +1,71 @@
+package birdfmt
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"os/exec"
+	"strings"
+)
+
+// BirdCtl runs bird(8) and birdc(8) for parse checks and configure reload.
+type BirdCtl struct {
+	// Bird is the bird binary path (default "bird").
+	Bird string
+	// Birdc is the birdc binary path (default "birdc").
+	Birdc string
+	// Socket is optional birdc control socket (-s); empty uses birdc default.
+	Socket string
+}
+
+func (c *BirdCtl) birdBin() string {
+	if strings.TrimSpace(c.Bird) != "" {
+		return c.Bird
+	}
+	return "bird"
+}
+
+func (c *BirdCtl) birdcBin() string {
+	if strings.TrimSpace(c.Birdc) != "" {
+		return c.Birdc
+	}
+	return "birdc"
+}
+
+// ParseCheck runs `bird -c <mainConfigPath> -p` to validate syntax without starting the daemon.
+func (c *BirdCtl) ParseCheck(ctx context.Context, mainConfigPath string) error {
+	mainConfigPath = strings.TrimSpace(mainConfigPath)
+	if mainConfigPath == "" {
+		return fmt.Errorf("birdfmt: main config path is required for parse check")
+	}
+	cmd := exec.CommandContext(ctx, c.birdBin(), "-c", mainConfigPath, "-p")
+	var stderr bytes.Buffer
+	cmd.Stderr = &stderr
+	if err := cmd.Run(); err != nil {
+		msg := strings.TrimSpace(stderr.String())
+		if msg != "" {
+			return fmt.Errorf("bird -p: %w: %s", err, msg)
+		}
+		return fmt.Errorf("bird -p: %w", err)
+	}
+	return nil
+}
+
+// Configure runs `birdc configure` to load the current config from disk (BIRD 2).
+func (c *BirdCtl) Configure(ctx context.Context) error {
+	args := []string{"configure"}
+	if s := strings.TrimSpace(c.Socket); s != "" {
+		args = append([]string{"-s", s}, args...)
+	}
+	cmd := exec.CommandContext(ctx, c.birdcBin(), args...)
+	var stderr bytes.Buffer
+	cmd.Stderr = &stderr
+	if err := cmd.Run(); err != nil {
+		msg := strings.TrimSpace(stderr.String())
+		if msg != "" {
+			return fmt.Errorf("birdc configure: %w: %s", err, msg)
+		}
+		return fmt.Errorf("birdc configure: %w", err)
+	}
+	return nil
+}