feat: package SSClash server mode for Docker

cmd/bootstrap/main.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"log"
+	"os"
+	"path/filepath"
+	"syscall"
+
+	"git.ipao.vip/rogee/mohomo-docker/internal/bootstrap"
+)
+
+const (
+	defaultRoot         = "/opt/clash"
+	defaultCoreSource   = "/usr/local/lib/ssclash/clash"
+	defaultConfigSource = "/usr/local/share/ssclash/config.yaml"
+	ssclashBinary       = "/usr/local/bin/ssclash"
+)
+
+func main() {
+	log.SetFlags(log.Ldate | log.Ltime | log.LUTC)
+	root := envOrDefault("SSCLASH_ROOT", defaultRoot)
+	log.Printf("bootstrap: preparing persistent runtime root=%s", root)
+
+	result, err := bootstrap.Prepare(bootstrap.Config{
+		Root:         root,
+		CoreSource:   defaultCoreSource,
+		ConfigSource: defaultConfigSource,
+	})
+	if err != nil {
+		log.Fatalf("bootstrap: runtime preparation failed: %v", err)
+	}
+	log.Printf(
+		"bootstrap: ready root=%s core_initialized=%t config_initialized=%t server_mode_changed=%t",
+		root,
+		result.CoreInitialized,
+		result.ConfigInitialized,
+		result.ServerModeChanged,
+	)
+
+	arguments := os.Args[1:]
+	if len(arguments) == 0 {
+		arguments = []string{"serve"}
+	}
+	argv := append([]string{filepath.Base(ssclashBinary)}, arguments...)
+	log.Printf("bootstrap: exec path=%s command=%s", ssclashBinary, arguments[0])
+	if err := syscall.Exec(ssclashBinary, argv, os.Environ()); err != nil {
+		log.Fatalf("bootstrap: exec failed: %v", err)
+	}
+}
+
+func envOrDefault(key, fallback string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return fallback
+}