Prevent initializing clusters multiple times (#1950)

* Prevent initializing clusters multiple times

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Do not expose intializing to cluster state

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

* Convert initializing to observable and ensure it is set to false after init

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

src/main/cluster-manager.ts

@@ -14,7 +14,7 @@ export class ClusterManager extends Singleton {
     // auto-init clusters
     autorun(() => {
       clusterStore.enabledClustersList.forEach(cluster => {
-        if (!cluster.initialized) {
+        if (!cluster.initialized && !cluster.initializing) {
           logger.info(`[CLUSTER-MANAGER]: init cluster`, cluster.getMeta());
           cluster.init(port);
         }

src/main/cluster.ts

@@ -84,6 +84,14 @@ export class Cluster implements ClusterModel, ClusterState {
   whenInitialized = when(() => this.initialized);
   whenReady = when(() => this.ready);
 
+  /**
+   * Is cluster object initializinng on-going
+   *
+   * @observable
+   */
+  @observable initializing = false;
+
+
   /**
    * Is cluster object initialized
    *
@@ -273,6 +281,7 @@ export class Cluster implements ClusterModel, ClusterState {
    */
   @action async init(port: number) {
     try {
+      this.initializing = true;
       this.contextHandler = new ContextHandler(this);
       this.kubeconfigManager = await KubeconfigManager.create(this, this.contextHandler, port);
       this.kubeProxyUrl = `http://localhost:${port}${apiKubePrefix}`;
@@ -287,6 +296,8 @@ export class Cluster implements ClusterModel, ClusterState {
         id: this.id,
         error: err,
       });
+    } finally {
+      this.initializing = false;
     }
   }