remove experimental warning for multinode

cmd/minikube/cmd/node_add.go

@@ -61,7 +61,6 @@ var nodeAddCmd = &cobra.Command{
 
 		// Make sure to decrease the default amount of memory we use per VM if this is the first worker node
 		if len(cc.Nodes) == 1 {
-			warnAboutMultiNode()
 			if viper.GetString(memory) == "" {
 				cc.Memory = 2200
 			}

cmd/minikube/cmd/start.go

@@ -363,11 +363,7 @@ func startWithDriver(cmd *cobra.Command, starter node.Starter, existing *config.
 		if driver.BareMetal(starter.Cfg.Driver) {
 			exit.Message(reason.DrvUnsupportedMulti, "The none driver is not compatible with multi-node clusters.")
 		} else {
-			// Only warn users on first start.
 			if existing == nil {
-				out.Ln("")
-				warnAboutMultiNode()
-
 				for i := 1; i < numNodes; i++ {
 					nodeName := node.Name(i + 1)
 					n := config.Node{
@@ -398,11 +394,6 @@ func startWithDriver(cmd *cobra.Command, starter node.Starter, existing *config.
 	return kubeconfig, nil
 }
 
-func warnAboutMultiNode() {
-	out.WarningT("Multi-node clusters are currently experimental and might exhibit unintended behavior.")
-	out.Step(style.Documentation, "To track progress on multi-node clusters, see https://github.com/kubernetes/minikube/issues/7538.")
-}
-
 func warnAboutMultiNodeCNI() {
 	out.WarningT("Cluster was created without any CNI, adding node to it might cause broken network.")
 }

site/content/en/docs/tutorials/multi_node.md

@@ -1,5 +1,5 @@
 ---
-title: "Using Multi-Node Clusters (Experimental)"
+title: "Using Multi-Node Clusters"
 linkTitle: "Using multi-node clusters"
 weight: 1
 date: 2019-11-24
@@ -22,24 +22,26 @@ date: 2019-11-24
 minikube start --nodes 2 -p multinode-demo
 ```
 ```
-😄  [multinode-demo] minikube v1.10.1 on Darwin 10.15.4
-✨  Automatically selected the hyperkit driver
+😄  [multinode-demo] minikube v1.16.0 on Darwin 10.15.7
+✨  Automatically selected the docker driver. Other choices: hyperkit, virtualbox
 👍  Starting control plane node multinode-demo in cluster multinode-demo
-🔥  Creating hyperkit VM (CPUs=2, Memory=2200MB, Disk=20000MB) ...
-🐳  Preparing Kubernetes v1.18.2 on Docker 19.03.8 ...
+🔥  Creating docker container (CPUs=2, Memory=2200MB) ...
+🐳  Preparing Kubernetes v1.20.0 on Docker 20.10.0 ...
+🔗  Configuring CNI (Container Networking Interface) ...
+    ▪ Generating certificates and keys ...
+    ▪ Booting up control plane ...
+    ▪ Configuring RBAC rules ...
 🔎  Verifying Kubernetes components...
-🌟  Enabled addons: default-storageclass, storage-provisioner
-
-❗  Multi-node clusters are currently experimental and might exhibit unintended behavior.
-To track progress on multi-node clusters, see https://github.com/kubernetes/minikube/issues/7538.
+🌟  Enabled addons: storage-provisioner, default-storageclass
 
 👍  Starting node multinode-demo-m02 in cluster multinode-demo
-🔥  Creating hyperkit VM (CPUs=2, Memory=2200MB, Disk=20000MB) ...
+🔥  Creating docker container (CPUs=2, Memory=2200MB) ...
 🌐  Found network options:
-    ▪ NO_PROXY=192.168.64.11
-🐳  Preparing Kubernetes v1.18.2 on Docker 19.03.8 ...
-🏄  Done! kubectl is now configured to use "multinode-demo"
-
+    ▪ NO_PROXY=192.168.49.2
+🐳  Preparing Kubernetes v1.20.0 on Docker 20.10.0 ...
+    ▪ env NO_PROXY=192.168.49.2
+🔎  Verifying Kubernetes components...
+🏄  Done! kubectl is now configured to use "multinode-demo" cluster and "default" namespace by default
 ```
 
 - Get the list of your nodes:
@@ -66,6 +68,7 @@ host: Running
 kubelet: Running
 apiserver: Running
 kubeconfig: Configured
+timeToStop: Nonexistent
 
 multinode-demo-m02
 type: Worker