set static ports by default for server, with dynamic prots option

client/client.go

@@ -123,6 +123,7 @@ func (c *client) Start(ctx context.Context, execPath string, opts ...OpOption) (
 		req.CustomNodeConfigs = ret.customNodeConfigs
 	}
 	req.ReassignPortsIfUsed = &ret.reassignPortsIfUsed
+	req.DynamicPorts = &ret.dynamicPorts
 
 	c.log.Info("start")
 	return c.controlc.Start(ctx, req)
@@ -340,6 +341,7 @@ type Op struct {
 	chainConfigs        map[string]string
 	upgradeConfigs      map[string]string
 	reassignPortsIfUsed bool
+	dynamicPorts        bool
 }
 
 type OpOption func(*Op)
@@ -426,6 +428,12 @@ func WithReassignPortsIfUsed(reassignPortsIfUsed bool) OpOption {
 	}
 }
 
+func WithDynamicPorts(dynamicPorts bool) OpOption {
+	return func(op *Op) {
+		op.dynamicPorts = dynamicPorts
+	}
+}
+
 func isClientCanceled(ctxErr error, err error) bool {
 	if ctxErr != nil {
 		return true

cmd/control/control.go

@@ -102,6 +102,7 @@ var (
 	chainConfigs        string
 	upgradeConfigs      string
 	reassignPortsIfUsed bool
+	dynamicPorts        bool
 )
 
 func newStartCommand() *cobra.Command {
@@ -175,7 +176,13 @@ func newStartCommand() *cobra.Command {
 		&reassignPortsIfUsed,
 		"reassign-ports-if-used",
 		false,
-		"true to reassign given ports if already taken",
+		"true to reassign default/given ports if already taken",
+	)
+	cmd.PersistentFlags().BoolVar(
+		&dynamicPorts,
+		"dynamic-ports",
+		false,
+		"true to assign dynamic ports",
 	)
 	if err := cmd.MarkPersistentFlagRequired("avalanchego-path"); err != nil {
 		panic(err)
@@ -196,6 +203,7 @@ func startFunc(cmd *cobra.Command, args []string) error {
 		client.WithWhitelistedSubnets(whitelistedSubnets),
 		client.WithRootDataDir(rootDataDir),
 		client.WithReassignPortsIfUsed(reassignPortsIfUsed),
+		client.WithDynamicPorts(dynamicPorts),
 	}
 
 	if globalNodeConfig != "" {