Mark cluster as dead if kubeconfig loading fails

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

src/common/__tests__/cluster-store.test.ts

@@ -6,6 +6,29 @@ import { ClusterStore } from "../cluster-store";
 import { workspaceStore } from "../workspace-store";
 
 const testDataIcon = fs.readFileSync("test-data/cluster-store-migration-icon.png");
+const kubeconfig = `
+apiVersion: v1
+clusters:
+- cluster:
+    server: https://localhost
+  name: test
+contexts:
+- context:
+    cluster: test
+    user: test
+  name: foo
+- context:
+    cluster: test
+    user: test
+  name: foo2
+current-context: test
+kind: Config
+preferences: {}
+users:
+- name: test
+  user:
+    token: kubeconfig-user-q4lm4:xxxyyyy
+`;
 
 jest.mock("electron", () => {
   return {
@@ -47,13 +70,13 @@ describe("empty config", () => {
       clusterStore.addCluster(
         new Cluster({
           id: "foo",
-          contextName: "minikube",
+          contextName: "foo",
           preferences: {
             terminalCWD: "/tmp",
             icon: "data:image/jpeg;base64, iVBORw0KGgoAAAANSUhEUgAAA1wAAAKoCAYAAABjkf5",
             clusterName: "minikube"
           },
-          kubeConfigPath: ClusterStore.embedCustomKubeConfig("foo", "fancy foo config"),
+          kubeConfigPath: ClusterStore.embedCustomKubeConfig("foo", kubeconfig),
           workspace: workspaceStore.currentWorkspaceId
         })
       );
@@ -91,20 +114,20 @@ describe("empty config", () => {
       clusterStore.addClusters(
         new Cluster({
           id: "prod",
-          contextName: "prod",
+          contextName: "foo",
           preferences: {
             clusterName: "prod"
           },
-          kubeConfigPath: ClusterStore.embedCustomKubeConfig("prod", "fancy config"),
+          kubeConfigPath: ClusterStore.embedCustomKubeConfig("prod", kubeconfig),
           workspace: "workstation"
         }),
         new Cluster({
           id: "dev",
-          contextName: "dev",
+          contextName: "foo2",
           preferences: {
             clusterName: "dev"
           },
-          kubeConfigPath: ClusterStore.embedCustomKubeConfig("dev", "fancy config"),
+          kubeConfigPath: ClusterStore.embedCustomKubeConfig("dev", kubeconfig),
           workspace: "workstation"
         })
       );
@@ -177,20 +200,20 @@ describe("config with existing clusters", () => {
           clusters: [
             {
               id: "cluster1",
-              kubeConfig: "foo",
+              kubeConfigPath: kubeconfig,
               contextName: "foo",
               preferences: { terminalCWD: "/foo" },
               workspace: "default"
             },
             {
               id: "cluster2",
-              kubeConfig: "foo2",
+              kubeConfigPath: kubeconfig,
               contextName: "foo2",
               preferences: { terminalCWD: "/foo2" }
             },
             {
               id: "cluster3",
-              kubeConfig: "foo",
+              kubeConfigPath: kubeconfig,
               contextName: "foo",
               preferences: { terminalCWD: "/foo" },
               workspace: "foo",

src/common/cluster-store.ts

@@ -321,16 +321,10 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
       if (cluster) {
         cluster.updateModel(clusterModel);
       } else {
-        try {
-          cluster = new Cluster(clusterModel);
+        cluster = new Cluster(clusterModel);
 
-          if (!cluster.isManaged) {
-            cluster.enabled = true;
-          }
-        } catch (err) {
-          logger.error(err);
-          logger.error(`[CLUSTER-STORE] Failed to load a cluster (context: ${clusterModel.contextName}, kubeconfig: ${clusterModel.kubeConfigPath})... Removing it from the app. `);
-          continue;
+        if (!cluster.isManaged && !cluster.isDead) {
+          cluster.enabled = true;
         }
       }
       newClusters.set(clusterModel.id, cluster);
@@ -343,7 +337,7 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
       }
     });
 
-    this.activeCluster = newClusters.has(activeCluster) ? activeCluster : null;
+    this.activeCluster = newClusters.has(activeCluster) && newClusters.get(activeCluster).enabled ? activeCluster : null;
     this.clusters.replace(newClusters);
     this.removedClusters.replace(removedClusters);
   }

src/main/cluster.ts

@@ -169,6 +169,12 @@ export class Cluster implements ClusterModel, ClusterState {
    * @observable
    */
   @observable isAdmin = false;
+  /**
+   * Is cluster marked as dead, for example due the invalid kubeconfig
+   *
+   * @observable
+   */
+  @observable isDead = false;
   /**
    * Preferences
    *
@@ -242,10 +248,15 @@ export class Cluster implements ClusterModel, ClusterState {
 
   constructor(model: ClusterModel) {
     this.updateModel(model);
-    const kubeconfig = this.getKubeconfig();
 
-    if (kubeconfig.getContextObject(this.contextName)) {
+    try {
+      const kubeconfig = this.getKubeconfig();
+
       this.apiUrl = kubeconfig.getCluster(kubeconfig.getContextObject(this.contextName).cluster).server;
+    } catch(err) {
+      logger.error(err);
+      logger.error(`[CLUSTER] Failed to load kubeconfig for the cluster (context: ${this.contextName}, kubeconfig: ${this.kubeConfigPath}).`);
+      this.isDead = true;
     }
   }