[command] om daemon leave and join support custom listener port

- om daemon join --node node1 --token <xxx> --server https://node1:<custom-port>
- om daemon leave will use automatic client url from the cluster node to leave from

cmd/factory.go

@@ -241,6 +241,8 @@ func newCmdDaemonJoin() *cobra.Command {
 	}
 	flags := cmd.Flags()
 	flags.StringVar(&options.Node, "node", "", "the name of the cluster node we want to join")
+	flags.StringVar(&options.Server, "server", "", "URI of the opensvc api server when custom port is used.")
+
 	if err := cmd.MarkFlagRequired("node"); err != nil {
 		panic(err)
 	}

core/commands/daemon_join.go

@@ -25,8 +25,9 @@ type (
 	CmdDaemonJoin struct {
 		CmdDaemonCommon
 
-		Node  string
-		Token string
+		Node   string
+		Server string
+		Token  string
 
 		// Timeout is the maximum duration for leave
 		Timeout time.Duration
@@ -65,8 +66,14 @@ func (t *CmdDaemonJoin) run() error {
 		_ = os.Remove(name)
 	}(certFile)
 
+	var url string
+	if t.Server == "" {
+		url = daemonenv.UrlHttpNode(t.Node)
+	} else {
+		url = t.Server
+	}
 	cli, err = client.New(
-		client.WithURL(daemonenv.UrlHttpNode(t.Node)),
+		client.WithURL(url),
 		client.WithRootCa(certFile),
 		client.WithBearer(t.Token),
 	)

core/commands/daemon_leave.go

@@ -11,7 +11,6 @@ import (
 	"github.com/opensvc/om3/core/event"
 	"github.com/opensvc/om3/core/object"
 	"github.com/opensvc/om3/daemon/api"
-	"github.com/opensvc/om3/daemon/daemonenv"
 	"github.com/opensvc/om3/daemon/msgbus"
 	"github.com/opensvc/om3/util/hostname"
 )
@@ -37,7 +36,7 @@ func (t *CmdDaemonLeave) Run() (err error) {
 		return err
 	}
 	t.cli, err = client.New(
-		client.WithURL(daemonenv.UrlHttpNode(t.ApiNode)),
+		client.WithURL(t.ApiNode),
 	)
 	if err != nil {
 		return