Add RunClient function, it will used by app dashboard

pkg/cli/client.go

@@ -1,10 +1,67 @@
 package cli
 
 import (
+	"os"
+
 	"github.com/lucheng0127/virtuallan/pkg/client"
 	"github.com/urfave/cli/v2"
 )
 
+type ClientOpts func(*ClientFlags)
+
+type ClientFlags struct {
+	target   string
+	user     string
+	passwd   string
+	key      string
+	logLevel string
+}
+
+func SetClientTarget(t string) ClientOpts {
+	return func(c *ClientFlags) {
+		c.target = t
+	}
+}
+
+func SetClientUser(u string) ClientOpts {
+	return func(c *ClientFlags) {
+		c.user = u
+	}
+}
+
+func SetClientPasswd(p string) ClientOpts {
+	return func(c *ClientFlags) {
+		c.passwd = p
+	}
+}
+
+func SetClientKey(k string) ClientOpts {
+	return func(c *ClientFlags) {
+		c.key = k
+	}
+}
+
+func SetClientLogLevel(l string) ClientOpts {
+	return func(c *ClientFlags) {
+		c.logLevel = l
+	}
+}
+
+func RunClient(opts ...ClientOpts) error {
+	clientFlags := new(ClientFlags)
+	for _, opt := range opts {
+		opt(clientFlags)
+	}
+
+	app := &cli.App{
+		Commands: []*cli.Command{
+			NewClientCmd(),
+		},
+	}
+
+	return app.Run([]string{os.Args[0], "client", "-t", clientFlags.target, "-u", clientFlags.user, "-p", clientFlags.passwd, "-k", clientFlags.key, "-l", clientFlags.logLevel})
+}
+
 func NewClientCmd() *cli.Command {
 	return &cli.Command{
 		Name:   "client",