Add experimental k8s version to rke cluster options

rancher/rancher#15919

lib/shared/addon/components/cluster-driver/driver-rke/component.js

@@ -109,8 +109,10 @@ export default InputTextFile.extend(ClusterDriver, {
   isEdit:               equal('mode', 'edit'),
   notView:              or('isNew', 'isEdit'),
   clusterState:         alias('model.originalCluster.state'),
+
   // Custom stuff
   isCustom:             equal('nodeWhich', 'custom'),
+
   init() {
     this._super();
 
@@ -367,6 +369,7 @@ export default InputTextFile.extend(ClusterDriver, {
 
   versionChoices: computed('initialVersion', `settings.${ C.SETTING.VERSIONS_K8S }`, 'config.kubernetesVersion', function() {
     const versions = JSON.parse(get(this, `settings.${ C.SETTING.VERSIONS_K8S }`) || '{}');
+    const { experimentalVersion } = this;
 
     if ( !versions ) {
       return [];
@@ -393,7 +396,16 @@ export default InputTextFile.extend(ClusterDriver, {
     }
 
     return sortVersions(out).reverse().map((v) => {
-      return { value: v }
+      let label = v;
+
+      if (v === experimentalVersion) {
+        label = `${ v } (experimental)`
+      }
+
+      return {
+        label,
+        value: v
+      };
     });
   }),
 
@@ -571,6 +583,9 @@ export default InputTextFile.extend(ClusterDriver, {
       return value;
     }
   }),
+
+  experimentalVersion:  C.EXPERIMENTAL_VERSIONS.RKE_K8S,
+
   willSave() {
     if ( get(this, 'registry') === 'custom' ) {
       const registry = {

lib/shared/addon/components/cluster-driver/driver-rke/template.hbs

@@ -59,7 +59,6 @@
             <label class="acc-label">{{t 'clusterNew.rke.version.label'}}</label>
             {{new-select
                 content=versionChoices
-                optionLabelPath='value'
                 value=cluster.rancherKubernetesEngineConfig.kubernetesVersion
             }}
           </div>

lib/shared/addon/utils/constants.js

@@ -693,4 +693,8 @@ C.NOTIFIER_TABLE_LABEL = {
   DEFAULT:   'Notifier',
 }
 
+C.EXPERIMENTAL_VERSIONS = {
+  RKE_K8S: 'v1.12.0-rancher1-1'
+}
+
 export default C;