initial: ZeroTier-like P2P mesh VPN server with multi-tenant Web UI

cmd/zeromesh-cli/main.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"zeromesh/internal/identity"
+)
+
+func main() {
+	var cmd string
+	flag.StringVar(&cmd, "cmd", "", "command: gen-identity | show-identity")
+	flag.Parse()
+
+	switch cmd {
+	case "gen-identity":
+		id := identity.Generate()
+		data, _ := id.Serialize()
+		fmt.Println(data)
+	case "show-identity":
+		idPath := flag.Arg(0)
+		if idPath == "" {
+			idPath = "./data/agent.identity"
+		}
+		id, err := identity.LoadOrGenerate(idPath)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "error: %v\n", err)
+			os.Exit(1)
+		}
+		fmt.Printf("Address:  %s\n", id.Address)
+		fmt.Printf("Public:   %s\n", id.PublicKeyHex())
+	default:
+		fmt.Println("Usage: zeromesh-cli -cmd=gen-identity")
+	}
+}