add host

gosuv.go

@@ -0,0 +1,87 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+
+	"github.com/codegangsta/cli"
+)
+
+func MkdirIfNoExists(dir string) error {
+	dir = os.ExpandEnv(dir)
+	if _, err := os.Stat(dir); err != nil {
+		return os.MkdirAll(dir, 0755)
+	}
+	return nil
+}
+
+func StatusAction(ctx *cli.Context) {
+	println("status todo")
+}
+
+func AddAction(ctx *cli.Context) {
+	name := ctx.String("name")
+	fmt.Printf("program: %s has been added\n", strconv.Quote(name))
+}
+
+func StopAction(ctx *cli.Context) {
+}
+
+var app *cli.App
+
+func init() {
+	app = cli.NewApp()
+	app.Version = "0.0.1"
+	app.Name = "gosuv"
+	app.Usage = "supervisor your program"
+	app.HideHelp = true
+	app.Flags = []cli.Flag{
+		cli.IntFlag{
+			Name:   "port",
+			Value:  17422,
+			Usage:  "server listen port",
+			EnvVar: "GOSUV_SERVER_PORT",
+		},
+		cli.StringFlag{
+			Name:   "host",
+			Value:  "127.0.0.1",
+			Usage:  "server listen host",
+			EnvVar: "GOSUV_SERVER_HOST",
+		},
+	}
+
+	app.Commands = []cli.Command{
+		{
+			Name:   "status",
+			Usage:  "show program status",
+			Action: StatusAction,
+		},
+		{
+			Name:  "add",
+			Usage: "add to running list",
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:  "name, n",
+					Usage: "program name",
+				},
+			},
+			Action: AddAction,
+		},
+		{
+			Name:   "stop",
+			Usage:  "stop running program",
+			Action: StopAction,
+		},
+	}
+}
+
+const (
+	GOSUV_HOME   = "$HOME/.gosuv"
+	GOSUV_CONFIG = "gosuv.json"
+)
+
+func main() {
+	MkdirIfNoExists(GOSUV_HOME)
+	app.RunAndExitOnError()
+}