Fix being able to view clusters outside the current workspace (#2355)

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

@@ -102,12 +102,6 @@ describe("empty config", () => {
       await clusterStore.removeById("foo");
       expect(clusterStore.getById("foo")).toBeNull();
     });
-
-    it("sets active cluster", () => {
-      clusterStore.setActive("foo");
-      expect(clusterStore.active.id).toBe("foo");
-      expect(workspaceStore.currentWorkspace.lastActiveClusterId).toBe("foo");
-    });
   });
 
   describe("with prod and dev clusters added", () => {

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

@@ -50,6 +50,12 @@ describe("workspace store tests", () => {
       expect(() => ws.removeWorkspaceById(WorkspaceStore.defaultId)).toThrowError("Cannot remove");
     });
 
+    it("has the default workspace as active", () => {
+      const ws = WorkspaceStore.getInstance<WorkspaceStore>();
+
+      expect(ws.isActive(WorkspaceStore.defaultId)).toBe(true);
+    });
+
     it("can update workspace description", () => {
       const ws = WorkspaceStore.getInstance<WorkspaceStore>();
       const workspace = ws.addWorkspace(new Workspace({

src/common/__tests__/workspace.test.ts

@@ -0,0 +1,182 @@
+import { Workspace } from "../workspace-store";
+import { clusterStore } from "../cluster-store";
+import { Cluster } from "../../main/cluster";
+
+jest.mock("../cluster-store");
+
+const mockedClusterStore = clusterStore as jest.Mocked<typeof clusterStore>;
+
+describe("Workspace tests", () => {
+  it("should be enabled if not managed", () => {
+    const w = new Workspace({
+      id: "f",
+      name: "f"
+    });
+
+    expect(w.enabled).toBe(true);
+    expect(w.isManaged).toBe(false);
+  });
+
+  it("should not be enabled initially if managed", () => {
+    const w = new Workspace({
+      id: "f",
+      name: "f",
+      ownerRef: "f"
+    });
+
+    expect(w.enabled).toBe(false);
+    expect(w.isManaged).toBe(true);
+  });
+
+  it("should be able to be enabled when managed", () => {
+    const w = new Workspace({
+      id: "f",
+      name: "f",
+      ownerRef: "f"
+    });
+
+    expect(w.enabled).toBe(false);
+    expect(w.isManaged).toBe(true);
+
+    w.enabled = true;
+    expect(w.enabled).toBe(true);
+  });
+
+  it("should allow valid clusterId to be set to activeClusterId", () => {
+    mockedClusterStore.getById.mockImplementationOnce(id => {
+      expect(id).toBe("foobar");
+
+      return {
+        workspace: "f",
+        id
+      } as Cluster;
+    });
+
+    const w = new Workspace({
+      id: "f",
+      name: "f"
+    });
+
+    w.setActiveCluster("foobar");
+    expect(w.activeClusterId).toBe("foobar");
+  });
+
+  it("should clear activeClusterId", () => {
+    mockedClusterStore.getById.mockImplementationOnce(id => {
+      expect(id).toBe("foobar");
+
+      return {
+        workspace: "f",
+        id
+      } as Cluster;
+    });
+
+    const w = new Workspace({
+      id: "f",
+      name: "f"
+    });
+
+    w.setActiveCluster("foobar");
+    expect(w.activeClusterId).toBe("foobar");
+
+    w.clearActiveCluster();
+    expect(w.activeClusterId).toBe(undefined);
+  });
+
+  it("should disallow valid clusterId to be set to activeClusterId", () => {
+    mockedClusterStore.getById.mockImplementationOnce(id => {
+      expect(id).toBe("foobar");
+
+      return undefined;
+    });
+
+    const w = new Workspace({
+      id: "f",
+      name: "f"
+    });
+
+    w.setActiveCluster("foobar");
+    expect(w.activeClusterId).toBe(undefined);
+  });
+
+  describe("Workspace.tryClearAsCurrentActiveCluster", () => {
+    it("should return false for non-matching ID", () => {
+      mockedClusterStore.getById.mockImplementationOnce(id => {
+        expect(id).toBe("foobar");
+
+        return {
+          workspace: "f",
+          id
+        } as Cluster;
+      });
+
+      const w = new Workspace({
+        id: "f",
+        name: "f",
+        activeClusterId: "foobar"
+      });
+
+      expect(w.tryClearAsActiveCluster("fa")).toBe(false);
+      expect(w.activeClusterId).toBe("foobar");
+    });
+    it("should return false for non-matching cluster", () => {
+      mockedClusterStore.getById.mockImplementationOnce(id => {
+        expect(id).toBe("foobar");
+
+        return {
+          workspace: "f",
+          id
+        } as Cluster;
+      });
+
+      const w = new Workspace({
+        id: "f",
+        name: "f",
+        activeClusterId: "foobar"
+      });
+
+      expect(w.tryClearAsActiveCluster({ id: "fa" } as Cluster)).toBe(false);
+      expect(w.activeClusterId).toBe("foobar");
+    });
+
+    it("should return true for matching ID", () => {
+      mockedClusterStore.getById.mockImplementationOnce(id => {
+        expect(id).toBe("foobar");
+
+        return {
+          workspace: "f",
+          id
+        } as Cluster;
+      });
+
+      const w = new Workspace({
+        id: "f",
+        name: "f",
+        activeClusterId: "foobar"
+      });
+
+      expect(w.tryClearAsActiveCluster("foobar")).toBe(true);
+      expect(w.activeClusterId).toBe(undefined);
+    });
+
+    it("should return true for matching cluster", () => {
+      mockedClusterStore.getById.mockImplementationOnce(id => {
+        expect(id).toBe("foobar");
+
+        return {
+          workspace: "f",
+          id
+        } as Cluster;
+      });
+
+      const w = new Workspace({
+        id: "f",
+        name: "f",
+        activeClusterId: "foobar"
+      });
+
+      expect(w.tryClearAsActiveCluster({ id: "foobar"} as Cluster)).toBe(true);
+      expect(w.activeClusterId).toBe(undefined);
+    });
+  });
+});

src/common/cluster-store.ts

@@ -15,7 +15,6 @@ import { handleRequest, requestMain, subscribeToBroadcast, unsubscribeAllFromBro
 import _ from "lodash";
 import move from "array-move";
 import type { WorkspaceId } from "./workspace-store";
-import { ResourceType } from "../renderer/components/+cluster-settings/components/cluster-metrics-setting";
 
 export interface ClusterIconUpload {
   clusterId: string;
@@ -34,7 +33,6 @@ export type ClusterPrometheusMetadata = {
 };
 
 export interface ClusterStoreModel {
-  activeCluster?: ClusterId; // last opened cluster
   clusters?: ClusterModel[];
 }
 
@@ -106,7 +104,6 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
     return filePath;
   }
 
-  @observable activeCluster: ClusterId;
   @observable removedClusters = observable.map<ClusterId, Cluster>();
   @observable clusters = observable.map<ClusterId, Cluster>();
 
@@ -189,10 +186,6 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
     });
   }
 
-  get activeClusterId() {
-    return this.activeCluster;
-  }
-
   @computed get clustersList(): Cluster[] {
     return Array.from(this.clusters.values());
   }
@@ -201,40 +194,10 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
     return this.clustersList.filter((c) => c.enabled);
   }
 
-  @computed get active(): Cluster | null {
-    return this.getById(this.activeCluster);
-  }
-
   @computed get connectedClustersList(): Cluster[] {
     return this.clustersList.filter((c) => !c.disconnected);
   }
 
-  isActive(id: ClusterId) {
-    return this.activeCluster === id;
-  }
-
-  isMetricHidden(resource: ResourceType) {
-    return Boolean(this.active?.preferences.hiddenMetrics?.includes(resource));
-  }
-
-  @action
-  setActive(clusterId: ClusterId) {
-    const cluster = this.clusters.get(clusterId);
-
-    if (!cluster?.enabled) {
-      clusterId = null;
-    }
-
-    this.activeCluster = clusterId;
-    workspaceStore.setLastActiveClusterId(clusterId);
-  }
-
-  deactivate(id: ClusterId) {
-    if (this.isActive(id)) {
-      this.setActive(null);
-    }
-  }
-
   @action
   swapIconOrders(workspace: WorkspaceId, from: number, to: number) {
     const clusters = this.getByWorkspaceId(workspace);
@@ -268,28 +231,22 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
 
   @action
   addClusters(...models: ClusterModel[]): Cluster[] {
-    const clusters: Cluster[] = [];
-
-    models.forEach(model => {
-      clusters.push(this.addCluster(model));
-    });
-
-    return clusters;
+    return models.map(model => this.addCluster(model));
   }
 
   @action
-  addCluster(model: ClusterModel | Cluster): Cluster {
+  addCluster(clusterOrModel: ClusterModel | Cluster): Cluster {
     appEventBus.emit({ name: "cluster", action: "add" });
-    let cluster = model as Cluster;
 
-    if (!(model instanceof Cluster)) {
-      cluster = new Cluster(model);
-    }
+    const cluster = clusterOrModel instanceof Cluster
+      ? clusterOrModel
+      : new Cluster(clusterOrModel);
 
     if (!cluster.isManaged) {
       cluster.enabled = true;
     }
-    this.clusters.set(model.id, cluster);
+
+    this.clusters.set(cluster.id, cluster);
 
     return cluster;
   }
@@ -304,12 +261,9 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
     const cluster = this.getById(clusterId);
 
     if (cluster) {
+      workspaceStore.getById(cluster.workspace)?.tryClearAsActiveCluster(cluster);
       this.clusters.delete(clusterId);
 
-      if (this.activeCluster === clusterId) {
-        this.setActive(null);
-      }
-
       // remove only custom kubeconfigs (pasted as text)
       if (cluster.kubeConfigPath == ClusterStore.getCustomKubeConfigPath(clusterId)) {
         unlink(cluster.kubeConfigPath).catch(() => null);
@@ -325,7 +279,7 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
   }
 
   @action
-  protected fromStore({ activeCluster, clusters = [] }: ClusterStoreModel = {}) {
+  protected fromStore({ clusters = [] }: ClusterStoreModel = {}) {
     const currentClusters = this.clusters.toJS();
     const newClusters = new Map<ClusterId, Cluster>();
     const removedClusters = new Map<ClusterId, Cluster>();
@@ -353,14 +307,12 @@ export class ClusterStore extends BaseStore<ClusterStoreModel> {
       }
     });
 
-    this.activeCluster = newClusters.get(activeCluster)?.enabled ? activeCluster : null;
     this.clusters.replace(newClusters);
     this.removedClusters.replace(removedClusters);
   }
 
   toJSON(): ClusterStoreModel {
     return toJS({
-      activeCluster: this.activeCluster,
       clusters: this.clustersList.map(cluster => cluster.toJSON()),
     }, {
       recurseEverything: true

src/common/workspace-store.ts

@@ -6,9 +6,14 @@ import { appEventBus } from "./event-bus";
 import { broadcastMessage, handleRequest, requestMain } from "../common/ipc";
 import logger from "../main/logger";
 import type { ClusterId } from "./cluster-store";
+import { Cluster } from "../main/cluster";
+import migrations from "../migrations/workspace-store";
+import { clusterViewURL } from "../renderer/components/cluster-manager/cluster-view.route";
 
 export type WorkspaceId = string;
 
+export class InvariantError extends Error {}
+
 export interface WorkspaceStoreModel {
   workspaces: WorkspaceModel[];
   currentWorkspace?: WorkspaceId;
@@ -19,7 +24,7 @@ export interface WorkspaceModel {
   name: string;
   description?: string;
   ownerRef?: string;
-  lastActiveClusterId?: ClusterId;
+  activeClusterId?: ClusterId;
 }
 
 export interface WorkspaceState {
@@ -61,18 +66,19 @@ export class Workspace implements WorkspaceModel, WorkspaceState {
    */
   @observable ownerRef?: string;
 
+  @observable private _enabled = false;
+
   /**
-   * Last active cluster id
-   *
-   * @observable
+   * The active cluster within this workspace
    */
-  @observable lastActiveClusterId?: ClusterId;
+  #activeClusterId = observable.box<ClusterId | undefined>();
 
+  get activeClusterId() {
+    return this.#activeClusterId.get();
+  }
 
-  @observable private _enabled: boolean;
-
-  constructor(data: WorkspaceModel) {
-    Object.assign(this, data);
+  constructor(model: WorkspaceModel) {
+    this[updateFromModel](model);
 
     if (!ipcRenderer) {
       reaction(() => this.getState(), () => {
@@ -86,9 +92,9 @@ export class Workspace implements WorkspaceModel, WorkspaceState {
    *
    * Workspaces that don't have ownerRef will be enabled by default. Workspaces with ownerRef need to explicitly enable a workspace.
    *
-   * @observable
+   * @computed
    */
-  get enabled(): boolean {
+  @computed get enabled(): boolean {
     return !this.isManaged || this._enabled;
   }
 
@@ -98,9 +104,82 @@ export class Workspace implements WorkspaceModel, WorkspaceState {
 
   /**
    * Is workspace managed by an extension
+   *
+   * @computed
    */
-  get isManaged(): boolean {
-    return !!this.ownerRef;
+  @computed get isManaged(): boolean {
+    return Boolean(this.ownerRef);
+  }
+
+  @computed get activeCluster(): Cluster | undefined {
+    return clusterStore.getById(this.activeClusterId);
+  }
+
+  /**
+   * Resolves the clusterId or cluster, checking some invariants
+   * @param clusterOrId The ID or cluster object to resolve
+   * @returns A Cluster instance of the specified cluster if it is in this workspace
+   * @throws if provided a falsey value or if it is an unknown ClusterId or if
+   * the cluster is not in this workspace.
+   */
+  private resolveClusterOrId(clusterOrId: ClusterId | Cluster): Cluster {
+    if (!clusterOrId) {
+      throw new InvariantError("Must provide a Cluster or a ClusterId");
+    }
+
+    const cluster = typeof clusterOrId === "string"
+      ? clusterStore.getById(clusterOrId)
+      : clusterOrId;
+
+    if (!cluster) {
+      throw new InvariantError(`ClusterId ${clusterOrId} is invalid`);
+    }
+
+    if (cluster.workspace !== this.id) {
+      throw new InvariantError(`Cluster ${cluster.name} is not in Workspace ${this.name}`);
+    }
+
+    return cluster;
+  }
+
+  /**
+   * Sets workspace's active cluster to resolved `clusterOrId`. As long as it
+   * is valid
+   * @param clusterOrId the cluster instance or its ID
+   */
+  @action setActiveCluster(clusterOrId?: ClusterId | Cluster) {
+    try {
+      if (clusterOrId === undefined) {
+        this.#activeClusterId.set(undefined);
+      } else {
+        this.#activeClusterId.set(this.resolveClusterOrId(clusterOrId).id);
+      }
+    } catch (error) {
+      logger.error("[WORKSPACE]: activeClusterId was attempted to be set to an invalid value", { error, workspaceName: this.name });
+    }
+  }
+
+  /**
+   * Tries to clear the cluster as this workspace's activeCluster.
+   * @param clusterOrId the cluster instance or its ID
+   * @returns true if it matches the `activeClusterId` (and is thus cleared) else false
+   */
+  @action tryClearAsActiveCluster(clusterOrId: ClusterId | Cluster): boolean {
+    const clusterId = typeof clusterOrId === "string"
+      ? clusterOrId
+      : clusterOrId.id;
+
+    const clearActive = this.activeClusterId === clusterId;
+
+    if (clearActive) {
+      this.clearActiveCluster();
+    }
+
+    return clearActive;
+  }
+
+  @action clearActiveCluster() {
+    this.#activeClusterId.set(undefined);
   }
 
   /**
@@ -129,11 +208,15 @@ export class Workspace implements WorkspaceModel, WorkspaceState {
    * @param state workspace state
    */
   @action setState(state: WorkspaceState) {
-    Object.assign(this, state);
+    this.enabled = state.enabled;
   }
 
   [updateFromModel] = action((model: WorkspaceModel) => {
-    Object.assign(this, model);
+    this.id = model.id;
+    this.name = model.name;
+    this.description = model.description;
+    this.ownerRef = model.ownerRef;
+    this.setActiveCluster(model.activeClusterId);
   });
 
   toJSON(): WorkspaceModel {
@@ -142,7 +225,7 @@ export class Workspace implements WorkspaceModel, WorkspaceState {
       name: this.name,
       description: this.description,
       ownerRef: this.ownerRef,
-      lastActiveClusterId: this.lastActiveClusterId
+      activeClusterId: this.activeClusterId,
     });
   }
 }
@@ -152,16 +235,18 @@ export class WorkspaceStore extends BaseStore<WorkspaceStoreModel> {
   private static stateRequestChannel = "workspace:states";
 
   @observable currentWorkspaceId = WorkspaceStore.defaultId;
+
   @observable workspaces = observable.map<WorkspaceId, Workspace>();
 
   private constructor() {
     super({
       configName: "lens-workspace-store",
+      migrations
     });
 
     this.workspaces.set(WorkspaceStore.defaultId, new Workspace({
       id: WorkspaceStore.defaultId,
-      name: "default"
+      name: "default",
     }));
   }
 
@@ -233,6 +318,19 @@ export class WorkspaceStore extends BaseStore<WorkspaceStoreModel> {
     return id === WorkspaceStore.defaultId;
   }
 
+  /**
+   * Checks if `workspaceOrId` represents `WorkspaceStore.currentWorkspaceId`
+   * @param workspaceOrId The workspace or its ID
+   * @returns true if the given workspace is the currently active on
+   */
+  isActive(workspaceOrId: Workspace | WorkspaceId): boolean {
+    const workspaceId = typeof workspaceOrId === "string"
+      ? workspaceOrId
+      : workspaceOrId.id;
+
+    return this.currentWorkspaceId === workspaceId;
+  }
+
   getById(id: WorkspaceId): Workspace {
     return this.workspaces.get(id);
   }
@@ -248,9 +346,34 @@ export class WorkspaceStore extends BaseStore<WorkspaceStoreModel> {
     if (!this.getById(id)) {
       throw new Error(`workspace ${id} doesn't exist`);
     }
+
     this.currentWorkspaceId = id;
   }
 
+  @action
+  async setActiveCluster(clusterOrId: ClusterId | Cluster): Promise<void> {
+    const cluster = typeof clusterOrId === "string"
+      ? clusterStore.getById(clusterOrId)
+      : clusterOrId;
+
+    if (!cluster?.enabled) {
+      throw new Error(`cluster ${(clusterOrId as Cluster)?.id ?? clusterOrId} doesn't exist`);
+    }
+
+    this.setActive(this.getById(cluster.workspace).id);
+
+    if (ipcRenderer) {
+      const { navigate } = await import("../renderer/navigation");
+
+      navigate(clusterViewURL({ params: { clusterId: cluster.id } }));
+    } else {
+      const { WindowManager } = await import("../main/window-manager");
+      const windowManager = WindowManager.getInstance() as any;
+
+      await windowManager.navigate(clusterViewURL({ params: { clusterId: cluster.id } }));
+    }
+  }
+
   @action
   addWorkspace(workspace: Workspace) {
     const { id, name } = workspace;
@@ -293,14 +416,20 @@ export class WorkspaceStore extends BaseStore<WorkspaceStoreModel> {
     if (this.currentWorkspaceId === id) {
       this.currentWorkspaceId = WorkspaceStore.defaultId; // reset to default
     }
+
     this.workspaces.delete(id);
+
     appEventBus.emit({name: "workspace", action: "remove"});
     clusterStore.removeByWorkspaceId(id);
   }
 
   @action
-  setLastActiveClusterId(clusterId?: ClusterId, workspaceId = this.currentWorkspaceId) {
-    this.getById(workspaceId).lastActiveClusterId = clusterId;
+  /**
+   * Attempts to clear `cluster` as the `activeCluster` from its own workspace
+   * @returns true if the cluster was previously the active one for its workspace
+   */
+  tryClearAsActiveCluster(cluster: Cluster): boolean {
+    return this.getById(cluster.workspace).tryClearAsActiveCluster(cluster);
   }
 
   @action

src/extensions/stores/cluster-store.ts

@@ -1,4 +1,5 @@
 import { clusterStore as internalClusterStore, ClusterId } from "../../common/cluster-store";
+import { workspaceStore as internalWorkspaceStore } from "../../common/workspace-store";
 import type { ClusterModel } from "../../common/cluster-store";
 import { Cluster } from "../../main/cluster";
 import { Singleton } from "../core-api/utils";
@@ -16,16 +17,22 @@ export class ClusterStore extends Singleton {
 
   /**
    * Active cluster id
+   *
+   * @deprecated use `workspaceStore.currentWorkspace.activeClusterId`
    */
   get activeClusterId(): string {
-    return internalClusterStore.activeCluster;
+    console.warn("get Store.ClusterStore.activeClusterId is deprecated. Use workspace.currentWorkspace.activeClusterId");
+
+    return internalWorkspaceStore.currentWorkspace.activeClusterId;
   }
 
   /**
    * Set active cluster id
+   * @deprecated use `LensExtension.navigate()`
    */
   set activeClusterId(id : ClusterId) {
-    internalClusterStore.setActive(id);
+    console.warn("Store.ClusterStore.activeClusterId is deprecated. Use LensExtension.navigate()");
+    internalWorkspaceStore.currentWorkspace.setActiveCluster(id);
   }
 
   /**
@@ -37,9 +44,11 @@ export class ClusterStore extends Singleton {
 
   /**
    * Get active cluster (a cluster which is currently visible)
+   *
+   * @deprecated use `clusterStore.getById(workspaceStore.currentWorkspace.activeClusterId)`
    */
-  get activeCluster(): Cluster | null {
-    return internalClusterStore.active;
+  get activeCluster(): Cluster {
+    return clusterStore.getById(internalWorkspaceStore.currentWorkspace.activeClusterId);
   }
 
   /**

src/extensions/stores/workspace-store.ts

@@ -1,6 +1,7 @@
 import { Singleton } from "../core-api/utils";
 import { workspaceStore as internalWorkspaceStore, WorkspaceStore as InternalWorkspaceStore, Workspace, WorkspaceId } from "../../common/workspace-store";
 import { ObservableMap } from "mobx";
+import { Cluster, ClusterId } from "../core-api/stores";
 
 export { Workspace } from "../../common/workspace-store";
 export type { WorkspaceId, WorkspaceModel } from "../../common/workspace-store";
@@ -113,6 +114,14 @@ export class WorkspaceStore extends Singleton {
   removeWorkspaceById(id: WorkspaceId) {
     return internalWorkspaceStore.removeWorkspaceById(id);
   }
+
+  /**
+   * Sets the cluster and its workspace as active
+   * @param clusterOrId the cluster's ID or instance to set as the active cluster
+   */
+  setActiveCluster(clusterOrId: ClusterId | Cluster) {
+    return internalWorkspaceStore.setActiveCluster(clusterOrId);
+  }
 }
 
 export const workspaceStore = WorkspaceStore.getInstance<WorkspaceStore>();

src/main/cluster.ts

@@ -16,6 +16,7 @@ import logger from "./logger";
 import { VersionDetector } from "./cluster-detectors/version-detector";
 import { detectorRegistry } from "./cluster-detectors/detector-registry";
 import plimit from "p-limit";
+import { ResourceType } from "../renderer/components/+cluster-settings/components/cluster-metrics-setting";
 
 export enum ClusterStatus {
   AccessGranted = 2,
@@ -315,6 +316,10 @@ export class Cluster implements ClusterModel, ClusterState {
     }
   }
 
+  public isMetricHidden(resource: ResourceType) {
+    return Boolean(this.preferences.hiddenMetrics?.includes(resource));
+  }
+
   /**
    * @internal
    */

src/main/index.ts

@@ -106,8 +106,7 @@ app.on("ready", async () => {
   // preload
   await Promise.all([
     userStore.load(),
-    clusterStore.load(),
-    workspaceStore.load(),
+    clusterStore.load().then(() => workspaceStore.load()),
     extensionsStore.load(),
     filesystemProvisionerStore.load(),
   ]);

src/migrations/workspace-store/4.2.0-beta.1.ts

@@ -0,0 +1,28 @@
+import { migration } from "../migration-wrapper";
+
+interface Pre420Beta1WorkspaceModel {
+  id: string;
+  name: string;
+  description?: string;
+  ownerRef?: string;
+  lastActiveClusterId?: string;
+}
+
+export default migration({
+  version: "4.2.0-beta.1",
+  run(store) {
+    const oldWorkspaces: Pre420Beta1WorkspaceModel[] = store.get("workspaces") ?? [];
+    const workspaces = oldWorkspaces.map(({ lastActiveClusterId, ...rest }) => {
+      if (lastActiveClusterId) {
+        return {
+          activeClusterId: lastActiveClusterId,
+          ...rest,
+        };
+      }
+
+      return rest;
+    });
+
+    store.set("workspaces", workspaces);
+  }
+});

src/migrations/workspace-store/index.ts

@@ -0,0 +1,5 @@
+import version420Beta1 from "./4.2.0-beta.1";
+
+export default {
+  ...version420Beta1
+};

src/renderer/bootstrap.tsx

@@ -56,8 +56,7 @@ export async function bootstrap(App: AppComponent) {
   // preload common stores
   await Promise.all([
     userStore.load(),
-    workspaceStore.load(),
-    clusterStore.load(),
+    clusterStore.load().then(() => workspaceStore.load()),
     extensionsStore.load(),
     filesystemProvisionerStore.load(),
     themeStore.init(),

src/renderer/components/+add-cluster/add-cluster.tsx

@@ -45,7 +45,7 @@ export class AddCluster extends React.Component {
   @observable showSettings = false;
 
   componentDidMount() {
-    clusterStore.setActive(null);
+    workspaceStore.currentWorkspace.clearActiveCluster();
     this.setKubeConfig(userStore.kubeConfigPath);
     appEventBus.emit({ name: "cluster-add", action: "start" });
   }
@@ -181,13 +181,11 @@ export class AddCluster extends React.Component {
       });
 
       runInAction(() => {
-        clusterStore.addClusters(...newClusters);
+        const [cluster, ...rest] = clusterStore.addClusters(...newClusters);
 
-        if (newClusters.length === 1) {
-          const clusterId = newClusters[0].id;
-
-          clusterStore.setActive(clusterId);
-          navigate(clusterViewURL({ params: { clusterId } }));
+        if (rest.length === 0) {
+          workspaceStore.getById(cluster.workspace).setActiveCluster(cluster);
+          navigate(clusterViewURL({ params: { clusterId: cluster.id } }));
         } else {
           if (newClusters.length > 1) {
             Notifications.ok(

src/renderer/components/+cluster-settings/cluster-settings.command.ts

@@ -1,7 +1,7 @@
 import { navigate } from "../../navigation";
 import { commandRegistry } from "../../../extensions/registries/command-registry";
 import { clusterSettingsURL } from "./cluster-settings.route";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedClusterId } from "../../../common/cluster-store";
 
 commandRegistry.add({
   id: "cluster.viewCurrentClusterSettings",
@@ -9,7 +9,7 @@ commandRegistry.add({
   scope: "global",
   action: () => navigate(clusterSettingsURL({
     params: {
-      clusterId: clusterStore.active.id
+      clusterId: getHostedClusterId(),
     }
   })),
   isActive: (context) => !!context.cluster

src/renderer/components/+cluster-settings/cluster-settings.tsx

@@ -16,6 +16,7 @@ import { PageLayout } from "../layout/page-layout";
 import { requestMain } from "../../../common/ipc";
 import { clusterActivateHandler, clusterRefreshHandler } from "../../../common/cluster-ipc";
 import { navigation } from "../../navigation";
+import { workspaceStore } from "../../../common/workspace-store";
 
 interface Props extends RouteComponentProps<IClusterSettingsRouteParams> {
 }
@@ -39,7 +40,9 @@ export class ClusterSettings extends React.Component<Props> {
       reaction(() => this.cluster, this.refreshCluster, {
         fireImmediately: true,
       }),
-      reaction(() => this.clusterId, clusterId => clusterStore.setActive(clusterId), {
+      reaction(() => this.cluster, cluster => {
+        workspaceStore.getById(cluster.workspace).setActiveCluster(cluster);
+      }, {
         fireImmediately: true,
       })
     ]);

src/renderer/components/+cluster/cluster-overview.tsx

@@ -5,7 +5,7 @@ import { reaction } from "mobx";
 import { disposeOnUnmount, observer } from "mobx-react";
 import { nodesStore } from "../+nodes/nodes.store";
 import { podsStore } from "../+workloads-pods/pods.store";
-import { clusterStore, getHostedCluster } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 import { interval } from "../../utils";
 import { TabLayout } from "../layout/tab-layout";
 import { Spinner } from "../spinner";
@@ -66,7 +66,7 @@ export class ClusterOverview extends React.Component {
 
   render() {
     const isLoaded = nodesStore.isLoaded && podsStore.isLoaded;
-    const isMetricsHidden = clusterStore.isMetricHidden(ResourceType.Cluster);
+    const isMetricsHidden = getHostedCluster().isMetricHidden(ResourceType.Cluster);
 
     return (
       <TabLayout>

src/renderer/components/+landing-page/landing-page.tsx

@@ -1,38 +1,58 @@
 import "./landing-page.scss";
 import React from "react";
-import { computed, observable } from "mobx";
-import { observer } from "mobx-react";
+import { computed, reaction } from "mobx";
+import { disposeOnUnmount, observer } from "mobx-react";
 import { clusterStore } from "../../../common/cluster-store";
-import { workspaceStore } from "../../../common/workspace-store";
+import { WorkspaceId, workspaceStore } from "../../../common/workspace-store";
 import { WorkspaceOverview } from "./workspace-overview";
 import { PageLayout } from "../layout/page-layout";
 import { Notifications } from "../notifications";
 import { Icon } from "../icon";
+import { createStorage } from "../../utils";
 
 @observer
 export class LandingPage extends React.Component {
-  @observable showHint = true;
+  private static storage = createStorage<WorkspaceId[]>("seen_workspaces", []);
 
-  @computed
-  get clusters() {
-    return clusterStore.getByWorkspaceId(workspaceStore.currentWorkspaceId);
+  @computed get workspace() {
+    return workspaceStore.currentWorkspace;
   }
 
   componentDidMount() {
-    const noClustersInScope = !this.clusters.length;
-    const showStartupHint = this.showHint;
+    // ignore workspaces that don't exist
+    const seenWorkspaces = new Set(
+      LandingPage
+        .storage
+        .get()
+        .filter(id => workspaceStore.getById(id))
+    );
 
-    if (showStartupHint && noClustersInScope) {
-      Notifications.info(<><b>Welcome!</b><p>Get started by associating one or more clusters to Lens</p></>, {
-        timeout: 30_000,
-        id: "landing-welcome"
-      });
-    }
+    disposeOnUnmount(this, [
+      reaction(() => this.workspace, workspace => {
+        const showWelcomeNotification = !(
+          seenWorkspaces.has(workspace.id)
+          || workspace.isManaged
+          || clusterStore.getByWorkspaceId(workspace.id).length
+        );
+
+        if (showWelcomeNotification) {
+          Notifications.info(<><b>Welcome!</b><p>Get started by associating one or more clusters to Lens</p></>, {
+            timeout: 30_000,
+            id: "landing-welcome"
+          });
+        }
+
+        seenWorkspaces.add(workspace.id);
+        LandingPage.storage.set(Array.from(seenWorkspaces));
+      }, {
+        fireImmediately: true,
+      }),
+    ]);
   }
 
   render() {
-    const showBackButton = this.clusters.length > 0;
-    const header = <><Icon svg="logo-lens" big /> <h2>{workspaceStore.currentWorkspace.name}</h2></>;
+    const showBackButton = Boolean(this.workspace.activeClusterId);
+    const header = <><Icon svg="logo-lens" big /> <h2>{this.workspace.name}</h2></>;
 
     return (
       <PageLayout className="LandingOverview flex" header={header} provideBackButtonNavigation={showBackButton} showOnTop={true}>

src/renderer/components/+network-ingresses/ingress-details.tsx

@@ -15,7 +15,7 @@ import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 import { getBackendServiceNamePort } from "../../api/endpoints/ingress.api";
 import { ResourceType } from "../+cluster-settings/components/cluster-metrics-setting";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 
 interface Props extends KubeObjectDetailsProps<Ingress> {
 }
@@ -101,6 +101,7 @@ export class IngressDetails extends React.Component<Props> {
     if (!ingress) {
       return null;
     }
+
     const { spec, status } = ingress;
     const ingressPoints = status?.loadBalancer?.ingress;
     const { metrics } = ingressStore;
@@ -108,8 +109,7 @@ export class IngressDetails extends React.Component<Props> {
       "Network",
       "Duration",
     ];
-    const isMetricHidden = clusterStore.isMetricHidden(ResourceType.Ingress);
-
+    const isMetricHidden = getHostedCluster().isMetricHidden(ResourceType.Ingress);
     const { serviceName, servicePort } = ingress.getServiceNamePort();
 
     return (

src/renderer/components/+nodes/node-details.tsx

@@ -18,7 +18,7 @@ import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { KubeEventDetails } from "../+events/kube-event-details";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 import { ResourceType } from "../+cluster-settings/components/cluster-metrics-setting";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 
 interface Props extends KubeObjectDetailsProps<Node> {
 }
@@ -54,7 +54,7 @@ export class NodeDetails extends React.Component<Props> {
       "Disk",
       "Pods",
     ];
-    const isMetricHidden = clusterStore.isMetricHidden(ResourceType.Node);
+    const isMetricHidden = getHostedCluster().isMetricHidden(ResourceType.Node);
 
     return (
       <div className="NodeDetails">

src/renderer/components/+storage-volume-claims/volume-claim-details.tsx

@@ -15,7 +15,7 @@ import { getDetailsUrl, KubeObjectDetailsProps, KubeObjectMeta } from "../kube-o
 import { PersistentVolumeClaim } from "../../api/endpoints";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 import { ResourceType } from "../+cluster-settings/components/cluster-metrics-setting";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 
 interface Props extends KubeObjectDetailsProps<PersistentVolumeClaim> {
 }
@@ -43,7 +43,7 @@ export class PersistentVolumeClaimDetails extends React.Component<Props> {
     const metricTabs = [
       "Disk"
     ];
-    const isMetricHidden = clusterStore.isMetricHidden(ResourceType.VolumeClaim);
+    const isMetricHidden = getHostedCluster().isMetricHidden(ResourceType.VolumeClaim);
 
     return (
       <div className="PersistentVolumeClaimDetails">

src/renderer/components/+workloads-daemonsets/daemonset-details.tsx

@@ -19,7 +19,7 @@ import { PodDetailsList } from "../+workloads-pods/pod-details-list";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 import { ResourceType } from "../+cluster-settings/components/cluster-metrics-setting";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 
 interface Props extends KubeObjectDetailsProps<DaemonSet> {
 }
@@ -49,7 +49,7 @@ export class DaemonSetDetails extends React.Component<Props> {
     const nodeSelector = daemonSet.getNodeSelectors();
     const childPods = daemonSetStore.getChildPods(daemonSet);
     const metrics = daemonSetStore.metrics;
-    const isMetricHidden = clusterStore.isMetricHidden(ResourceType.DaemonSet);
+    const isMetricHidden = getHostedCluster().isMetricHidden(ResourceType.DaemonSet);
 
     return (
       <div className="DaemonSetDetails">

src/renderer/components/+workloads-deployments/deployment-details.tsx

@@ -20,7 +20,7 @@ import { PodDetailsList } from "../+workloads-pods/pod-details-list";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 import { ResourceType } from "../+cluster-settings/components/cluster-metrics-setting";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 
 interface Props extends KubeObjectDetailsProps<Deployment> {
 }
@@ -49,7 +49,7 @@ export class DeploymentDetails extends React.Component<Props> {
     const selectors = deployment.getSelectors();
     const childPods = deploymentStore.getChildPods(deployment);
     const metrics = deploymentStore.metrics;
-    const isMetricHidden = clusterStore.isMetricHidden(ResourceType.Deployment);
+    const isMetricHidden = getHostedCluster().isMetricHidden(ResourceType.Deployment);
 
     return (
       <div className="DeploymentDetails">

src/renderer/components/+workloads-pods/pod-details-container.tsx

@@ -12,7 +12,7 @@ import { ResourceMetrics } from "../resource-metrics";
 import { IMetrics } from "../../api/endpoints/metrics.api";
 import { ContainerCharts } from "./container-charts";
 import { ResourceType } from "../+cluster-settings/components/cluster-metrics-setting";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 
 interface Props {
   pod: Pod;
@@ -65,7 +65,7 @@ export class PodDetailsContainer extends React.Component<Props> {
       "Memory",
       "Filesystem",
     ];
-    const isMetricHidden = clusterStore.isMetricHidden(ResourceType.Container);
+    const isMetricHidden = getHostedCluster().isMetricHidden(ResourceType.Container);
 
     return (
       <div className="PodDetailsContainer">

src/renderer/components/+workloads-pods/pod-details.tsx

@@ -23,7 +23,7 @@ import { PodCharts, podMetricTabs } from "./pod-charts";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 import { ResourceType } from "../+cluster-settings/components/cluster-metrics-setting";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 
 interface Props extends KubeObjectDetailsProps<Pod> {
 }
@@ -68,7 +68,7 @@ export class PodDetails extends React.Component<Props> {
     const nodeSelector = pod.getNodeSelectors();
     const volumes = pod.getVolumes();
     const metrics = podsStore.metrics;
-    const isMetricHidden = clusterStore.isMetricHidden(ResourceType.Pod);
+    const isMetricHidden = getHostedCluster().isMetricHidden(ResourceType.Pod);
 
     return (
       <div className="PodDetails">

src/renderer/components/+workloads-replicasets/replicaset-details.tsx

@@ -18,7 +18,7 @@ import { PodDetailsList } from "../+workloads-pods/pod-details-list";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 import { ResourceType } from "../+cluster-settings/components/cluster-metrics-setting";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 
 interface Props extends KubeObjectDetailsProps<ReplicaSet> {
 }
@@ -49,7 +49,7 @@ export class ReplicaSetDetails extends React.Component<Props> {
     const nodeSelector = replicaSet.getNodeSelectors();
     const images = replicaSet.getImages();
     const childPods = replicaSetStore.getChildPods(replicaSet);
-    const isMetricHidden = clusterStore.isMetricHidden(ResourceType.ReplicaSet);
+    const isMetricHidden = getHostedCluster().isMetricHidden(ResourceType.ReplicaSet);
 
     return (
       <div className="ReplicaSetDetails">

src/renderer/components/+workloads-statefulsets/statefulset-details.tsx

@@ -19,7 +19,7 @@ import { PodDetailsList } from "../+workloads-pods/pod-details-list";
 import { KubeObjectMeta } from "../kube-object/kube-object-meta";
 import { kubeObjectDetailRegistry } from "../../api/kube-object-detail-registry";
 import { ResourceType } from "../+cluster-settings/components/cluster-metrics-setting";
-import { clusterStore } from "../../../common/cluster-store";
+import { getHostedCluster } from "../../../common/cluster-store";
 
 interface Props extends KubeObjectDetailsProps<StatefulSet> {
 }
@@ -48,7 +48,7 @@ export class StatefulSetDetails extends React.Component<Props> {
     const nodeSelector = statefulSet.getNodeSelectors();
     const childPods = statefulSetStore.getChildPods(statefulSet);
     const metrics = statefulSetStore.metrics;
-    const isMetricHidden = clusterStore.isMetricHidden(ResourceType.StatefulSet);
+    const isMetricHidden = getHostedCluster().isMetricHidden(ResourceType.StatefulSet);
 
     return (
       <div className="StatefulSetDetails">

src/renderer/components/+workspaces/add-workspace.tsx

@@ -7,7 +7,6 @@ import { Input, InputValidator } from "../input";
 import { navigate } from "../../navigation";
 import { CommandOverlay } from "../command-palette/command-container";
 import { landingURL } from "../+landing-page";
-import { clusterStore } from "../../../common/cluster-store";
 
 const uniqueWorkspaceName: InputValidator = {
   condition: ({ required }) => required,
@@ -31,7 +30,6 @@ export class AddWorkspace extends React.Component {
     }
 
     workspaceStore.setActive(workspace.id);
-    clusterStore.setActive(null);
     navigate(landingURL());
     CommandOverlay.close();
   }

src/renderer/components/+workspaces/workspaces.tsx

@@ -3,7 +3,7 @@ import { observer } from "mobx-react";
 import { computed} from "mobx";
 import { WorkspaceStore, workspaceStore } from "../../../common/workspace-store";
 import { commandRegistry } from "../../../extensions/registries/command-registry";
-import { Select } from "../select";
+import { Select, SelectOption } from "../select";
 import { navigate } from "../../navigation";
 import { CommandOverlay } from "../command-palette/command-container";
 import { AddWorkspace } from "./add-workspace";
@@ -20,8 +20,8 @@ export class ChooseWorkspace extends React.Component {
   private static editActionId = "__edit__";
 
   @computed get options() {
-    const options = workspaceStore.enabledWorkspacesList.map((workspace) => {
-      return { value: workspace.id, label: workspace.name };
+    const options: SelectOption<string | symbol>[] = workspaceStore.enabledWorkspacesList.map((workspace) => {
+      return { value: workspace.id, label: workspace.name, isDisabled: workspaceStore.isActive(workspace) };
     });
 
     options.push({ value: ChooseWorkspace.overviewActionId, label: "Show current workspace overview ..." });
@@ -39,42 +39,30 @@ export class ChooseWorkspace extends React.Component {
     return options;
   }
 
-  onChange(id: string) {
-    if (id === ChooseWorkspace.overviewActionId) {
-      navigate(landingURL()); // overview of active workspace. TODO: change name from landing
-      CommandOverlay.close();
+  onChange(idOrAction: string): void {
+    switch (idOrAction) {
+      case ChooseWorkspace.overviewActionId:
+        navigate(landingURL()); // overview of active workspace. TODO: change name from landing
 
-      return;
+        return CommandOverlay.close();
+      case ChooseWorkspace.addActionId:
+        return CommandOverlay.open(<AddWorkspace />);
+      case ChooseWorkspace.removeActionId:
+        return CommandOverlay.open(<RemoveWorkspace />);
+      case ChooseWorkspace.editActionId:
+        return CommandOverlay.open(<EditWorkspace />);
+      default: // assume id
+        workspaceStore.setActive(idOrAction);
+        const clusterId = workspaceStore.getById(idOrAction).activeClusterId;
+
+        if (clusterId) {
+          navigate(clusterViewURL({ params: { clusterId } }));
+        } else {
+          navigate(landingURL());
+        }
+
+        CommandOverlay.close();
     }
-
-    if (id === ChooseWorkspace.addActionId) {
-      CommandOverlay.open(<AddWorkspace />);
-
-      return;
-    }
-
-    if (id === ChooseWorkspace.removeActionId) {
-      CommandOverlay.open(<RemoveWorkspace />);
-
-      return;
-    }
-
-    if (id === ChooseWorkspace.editActionId) {
-      CommandOverlay.open(<EditWorkspace />);
-
-      return;
-    }
-
-    workspaceStore.setActive(id);
-    const clusterId = workspaceStore.getById(id).lastActiveClusterId;
-
-    if (clusterId) {
-      navigate(clusterViewURL({ params: { clusterId } }));
-    } else {
-      navigate(landingURL());
-    }
-
-    CommandOverlay.close();
   }
 
   render() {

src/renderer/components/cluster-icon/cluster-icon.tsx

@@ -9,7 +9,8 @@ import { cssNames, IClassName } from "../../utils";
 import { Badge } from "../badge";
 import { Tooltip } from "../tooltip";
 import { subscribeToBroadcast } from "../../../common/ipc";
-import { observable } from "mobx";
+import { computed, observable } from "mobx";
+import { workspaceStore } from "../../../common/workspace-store";
 
 interface Props extends DOMAttributes<HTMLElement> {
   cluster: Cluster;
@@ -18,7 +19,6 @@ interface Props extends DOMAttributes<HTMLElement> {
   showErrors?: boolean;
   showTooltip?: boolean;
   interactive?: boolean;
-  isActive?: boolean;
   options?: HashiconParams;
 }
 
@@ -33,8 +33,16 @@ export class ClusterIcon extends React.Component<Props> {
 
   @observable eventCount = 0;
 
-  get eventCountBroadcast() {
-    return `cluster-warning-event-count:${this.props.cluster.id}`;
+  @computed get eventCountBroadcast() {
+    const { cluster } = this.props;
+
+    return `cluster-warning-event-count:${cluster.id}`;
+  }
+
+  @computed get isActive() {
+    const { cluster } = this.props;
+
+    return workspaceStore.getById(cluster.workspace).activeClusterId === cluster.id;
   }
 
   componentDidMount() {
@@ -48,8 +56,9 @@ export class ClusterIcon extends React.Component<Props> {
   }
 
   render() {
+    const { isActive } = this;
     const {
-      cluster, showErrors, showTooltip, errorClass, options, interactive, isActive,
+      cluster, showErrors, showTooltip, errorClass, options, interactive,
       children, ...elemProps
     } = this.props;
     const { name, preferences, id: clusterId, online } = cluster;

src/renderer/components/cluster-manager/cluster-actions.tsx

@@ -10,6 +10,7 @@ import { ConfirmDialog } from "../confirm-dialog";
 import { Cluster } from "../../../main/cluster";
 import { Tooltip } from "../../components//tooltip";
 import { IpcRendererNavigationEvents } from "../../navigation/events";
+import { workspaceStore } from "../../../common/workspace-store";
 
 const navigate = (route: string) =>
   broadcastMessage(IpcRendererNavigationEvents.NAVIGATE_IN_APP, route);
@@ -24,8 +25,10 @@ export const ClusterActions = (cluster: Cluster) => ({
     params: { clusterId: cluster.id }
   })),
   disconnect: async () => {
-    clusterStore.deactivate(cluster.id);
-    navigate(landingURL());
+    if (workspaceStore.tryClearAsActiveCluster(cluster)) {
+      navigate(landingURL());
+    }
+
     await requestMain(clusterDisconnectHandler, cluster.id);
   },
   remove: () => {
@@ -38,7 +41,6 @@ export const ClusterActions = (cluster: Cluster) => ({
         label: "Remove"
       },
       ok: () => {
-        clusterStore.deactivate(cluster.id);
         clusterStore.removeById(cluster.id);
         navigate(landingURL());
       },

src/renderer/components/cluster-manager/cluster-manager.tsx

@@ -17,6 +17,7 @@ import { hasLoadedView, initView, lensViews, refreshViews } from "./lens-views";
 import { globalPageRegistry } from "../../../extensions/registries/page-registry";
 import { Extensions, extensionsRoute } from "../+extensions";
 import { getMatchedClusterId } from "../../navigation";
+import { workspaceStore } from "../../../common/workspace-store";
 
 @observer
 export class ClusterManager extends React.Component {
@@ -44,12 +45,12 @@ export class ClusterManager extends React.Component {
   }
 
   get startUrl() {
-    const { activeClusterId } = clusterStore;
+    const { currentWorkspace } = workspaceStore;
 
-    if (activeClusterId) {
+    if (currentWorkspace.activeClusterId) {
       return clusterViewURL({
         params: {
-          clusterId: activeClusterId
+          clusterId: currentWorkspace.activeClusterId
         }
       });
     }

src/renderer/components/cluster-manager/cluster-view.tsx

@@ -8,6 +8,7 @@ import { ClusterStatus } from "./cluster-status";
 import { hasLoadedView } from "./lens-views";
 import { Cluster } from "../../../main/cluster";
 import { clusterStore } from "../../../common/cluster-store";
+import { workspaceStore } from "../../../common/workspace-store";
 
 interface Props extends RouteComponentProps<IClusterViewRouteParams> {
 }
@@ -24,7 +25,9 @@ export class ClusterView extends React.Component<Props> {
 
   async componentDidMount() {
     disposeOnUnmount(this, [
-      reaction(() => this.clusterId, clusterId => clusterStore.setActive(clusterId), {
+      reaction(() => this.cluster, cluster => {
+        workspaceStore.getById(cluster.workspace).setActiveCluster(cluster);
+      }, {
         fireImmediately: true,
       })
     ]);

src/renderer/components/cluster-manager/clusters-menu.tsx

@@ -30,6 +30,10 @@ interface Props {
 export class ClustersMenu extends React.Component<Props> {
   @observable workspaceMenuVisible = false;
 
+  get workspace() {
+    return workspaceStore.currentWorkspace;
+  }
+
   showCluster = (clusterId: ClusterId) => {
     navigate(clusterViewURL({ params: { clusterId } }));
   };
@@ -77,9 +81,7 @@ export class ClustersMenu extends React.Component<Props> {
 
   render() {
     const { className } = this.props;
-    const workspace = workspaceStore.getById(workspaceStore.currentWorkspaceId);
-    const clusters = clusterStore.getByWorkspaceId(workspace.id).filter(cluster => cluster.enabled);
-    const activeClusterId = clusterStore.activeCluster;
+    const clusters = clusterStore.getByWorkspaceId(this.workspace.id).filter(cluster => cluster.enabled);
 
     return (
       <div className={cssNames("ClustersMenu flex column", className)}>
@@ -88,26 +90,21 @@ export class ClustersMenu extends React.Component<Props> {
             <Droppable droppableId="cluster-menu" type="CLUSTER">
               {({ innerRef, droppableProps, placeholder }: DroppableProvided) => (
                 <div ref={innerRef} {...droppableProps}>
-                  {clusters.map((cluster, index) => {
-                    const isActive = cluster.id === activeClusterId;
-
-                    return (
-                      <Draggable draggableId={cluster.id} index={index} key={cluster.id}>
-                        {({ draggableProps, dragHandleProps, innerRef }: DraggableProvided) => (
-                          <div ref={innerRef} {...draggableProps} {...dragHandleProps}>
-                            <ClusterIcon
-                              key={cluster.id}
-                              showErrors={true}
-                              cluster={cluster}
-                              isActive={isActive}
-                              onClick={() => this.showCluster(cluster.id)}
-                              onContextMenu={() => this.showContextMenu(cluster)}
-                            />
-                          </div>
-                        )}
-                      </Draggable>
-                    );
-                  })}
+                  {clusters.map((cluster, index) => (
+                    <Draggable draggableId={cluster.id} index={index} key={cluster.id}>
+                      {({ draggableProps, dragHandleProps, innerRef }: DraggableProvided) => (
+                        <div ref={innerRef} {...draggableProps} {...dragHandleProps}>
+                          <ClusterIcon
+                            key={cluster.id}
+                            showErrors={true}
+                            cluster={cluster}
+                            onClick={() => this.showCluster(cluster.id)}
+                            onContextMenu={() => this.showContextMenu(cluster)}
+                          />
+                        </div>
+                      )}
+                    </Draggable>
+                  ))}
                   {placeholder}
                 </div>
               )}

src/renderer/components/command-palette/command-container.tsx

@@ -8,7 +8,6 @@ import { EventEmitter } from "../../../common/event-emitter";
 import { subscribeToBroadcast } from "../../../common/ipc";
 import { CommandDialog } from "./command-dialog";
 import { CommandRegistration, commandRegistry } from "../../../extensions/registries/command-registry";
-import { clusterStore } from "../../../common/cluster-store";
 import { workspaceStore } from "../../../common/workspace-store";
 
 export type CommandDialogEvent = {
@@ -49,7 +48,7 @@ export class CommandContainer extends React.Component<{ clusterId?: string }> {
 
   private runCommand(command: CommandRegistration) {
     command.action({
-      cluster: clusterStore.active,
+      cluster: workspaceStore.currentWorkspace.activeCluster,
       workspace: workspaceStore.currentWorkspace
     });
   }

src/renderer/components/command-palette/command-dialog.tsx

@@ -4,7 +4,6 @@ import { computed, observable, toJS } from "mobx";
 import { observer } from "mobx-react";
 import React from "react";
 import { commandRegistry } from "../../../extensions/registries/command-registry";
-import { clusterStore } from "../../../common/cluster-store";
 import { workspaceStore } from "../../../common/workspace-store";
 import { CommandOverlay } from "./command-container";
 import { broadcastMessage } from "../../../common/ipc";
@@ -16,30 +15,31 @@ export class CommandDialog extends React.Component {
   @observable menuIsOpen = true;
 
   @computed get options() {
-    const context = {
-      cluster: clusterStore.active,
-      workspace: workspaceStore.currentWorkspace
-    };
+    const activeCluster = workspaceStore.currentWorkspace.activeCluster;
 
-    return commandRegistry.getItems().filter((command) => {
-      if (command.scope === "cluster" && !clusterStore.active) {
-        return false;
-      }
+    return commandRegistry.getItems()
+      .filter(command => {
+        if (command.scope === "cluster" && !activeCluster) {
+          return false;
+        }
 
-      if (!command.isActive) {
-        return true;
-      }
+        if (!command.isActive) {
+          return true;
+        }
 
-      try {
-        return command.isActive(context);
-      } catch(e) {
-        console.error(e);
+        try {
+          return command.isActive({
+            cluster: activeCluster,
+            workspace: workspaceStore.currentWorkspace
+          });
+        } catch(e) {
+          console.error(e);
 
-        return false;
-      }
-    }).map((command) => {
-      return { value: command.id, label: command.title };
-    }).sort((a, b) => a.label > b.label ? 1 : -1);
+          return false;
+        }
+      })
+      .map(({ id, title }) => ({ value: id, label: title }))
+      .sort((a, b) => a.label > b.label ? 1 : -1);
   }
 
   private onChange(value: string) {
@@ -49,6 +49,7 @@ export class CommandDialog extends React.Component {
       return;
     }
 
+    const activeCluster = workspaceStore.currentWorkspace.activeCluster;
     const action = toJS(command.action);
 
     try {
@@ -56,16 +57,16 @@ export class CommandDialog extends React.Component {
 
       if (command.scope === "global") {
         action({
-          cluster: clusterStore.active,
+          cluster: activeCluster,
           workspace: workspaceStore.currentWorkspace
         });
-      } else if(clusterStore.active) {
+      } else if(activeCluster) {
         navigate(clusterViewURL({
           params: {
-            clusterId: clusterStore.active.id
+            clusterId: activeCluster.id
           }
         }));
-        broadcastMessage(`command-palette:run-action:${clusterStore.active.id}`, command.id);
+        broadcastMessage(`command-palette:run-action:${activeCluster.id}`, command.id);
       }
     } catch(error) {
       console.error("[COMMAND-DIALOG] failed to execute command", command.id, error);

src/renderer/ipc/index.tsx

@@ -8,6 +8,7 @@ import { invalidKubeconfigHandler } from "./invalid-kubeconfig-handler";
 import { clusterStore } from "../../common/cluster-store";
 import { navigate } from "../navigation";
 import { clusterSettingsURL } from "../components/+cluster-settings";
+import logger from "../../main/logger";
 
 function sendToBackchannel(backchannel: string, notificationId: string, data: BackchannelArg): void {
   notificationsStore.remove(notificationId);
@@ -59,6 +60,12 @@ const listNamespacesForbiddenHandlerDisplayedAt = new Map<string, number>();
 const intervalBetweenNotifications = 1000 * 60; // 60s
 
 function ListNamespacesForbiddenHandler(event: IpcRendererEvent, ...[clusterId]: ListNamespaceForbiddenArgs): void {
+  const cluster = clusterStore.getById(clusterId);
+
+  if (!cluster) {
+    return void logger.warn("[ListNamespacesForbiddenHandler]: received event but was given an unknown cluster ID", { clusterId });
+  }
+
   const lastDisplayedAt = listNamespacesForbiddenHandlerDisplayedAt.get(clusterId);
   const wasDisplayed = Boolean(lastDisplayedAt);
   const now = Date.now();
@@ -76,7 +83,7 @@ function ListNamespacesForbiddenHandler(event: IpcRendererEvent, ...[clusterId]:
     (
       <div className="flex column gaps">
         <b>Add Accessible Namespaces</b>
-        <p>Cluster <b>{clusterStore.active.name}</b> does not have permissions to list namespaces. Please add the namespaces you have access to.</p>
+        <p>Cluster <b>{cluster.name}</b> does not have permissions to list namespaces. Please add the namespaces you have access to.</p>
         <div className="flex gaps row align-left box grow">
           <Button active outlined label="Go to Accessible Namespaces Settings" onClick={()=> {
             navigate(clusterSettingsURL({ params: { clusterId }, fragment: "accessible-namespaces" }));