Switch to first available namespace

When the currently configured namespace doesn't exist, switch to the
first available namespace.

Closes #2180

Signed-off-by: David Thompson <[email protected]>

Author: datho7561

src/explorer.ts

@@ -4,33 +4,33 @@
  *-----------------------------------------------------------------------------------------------*/
 
 import {
-    TreeDataProvider,
-    TreeItem,
+    Disposable,
     Event,
     EventEmitter,
-    Disposable,
+    ThemeIcon,
+    TreeDataProvider,
+    TreeItem,
+    TreeItemCollapsibleState,
     TreeView,
-    window,
+    Uri,
+    commands,
     extensions,
     version,
-    commands,
-    Uri,
-    TreeItemCollapsibleState,
-    ThemeIcon,
+    window,
 } from 'vscode';
 
-import * as path from 'path';
 import * as fs from 'fs';
+import * as path from 'path';
 import { Platform } from './util/platform';
 
-import { WatchUtil, FileContentChangeNotifier } from './util/watch';
-import { KubeConfigUtils } from './util/kubeUtils';
-import { vsCommand } from './vscommand';
-import { KubernetesObject, Context } from '@kubernetes/client-node';
+import { Context, KubernetesObject } from '@kubernetes/client-node';
 import { CliChannel } from './cli';
 import { Command } from './odo/command';
-import { newInstance, Odo3 } from './odo3';
+import { Odo3, newInstance } from './odo3';
+import { KubeConfigUtils } from './util/kubeUtils';
 import { Progress } from './util/progress';
+import { FileContentChangeNotifier, WatchUtil } from './util/watch';
+import { vsCommand } from './vscommand';
 
 const kubeConfigFolder: string = path.join(Platform.getUserHomePath(), '.kube');
 
@@ -199,22 +199,25 @@ export class OpenShiftExplorer implements TreeDataProvider<ExplorerItem>, Dispos
             //   * example is sandbox context created when login to sandbox first time
             // (3) there is namespace set in context and namespace exists in the cluster
             // (4) there is namespace set in context and namespace does not exist in the cluster
-            const pOrNs = await this.odo3.getNamespaces();
+            const namespaces = await this.odo3.getNamespaces();
             if (this.kubeContext.namespace) {
-                if (pOrNs.find(item => item?.metadata.name === this.kubeContext.namespace)) {
+                if (namespaces.find(item => item?.metadata.name === this.kubeContext.namespace)) {
                     result = [{
                         kind: 'project',
                         metadata: {
                             name: this.kubeContext.namespace,
                         },
                     } as KubernetesObject]
+                } else if (namespaces.length >= 1) {
+                    // switch to first accessible namespace
+                    await this.odo3.setNamespace(namespaces[0].metadata.name);
                 } else {
                     result = [CREATE_OR_SET_PROJECT_ITEM]
                 }
             } else {
                 // get list of projects or namespaces
                 // find default namespace
-                if (pOrNs.find(item => item?.metadata.name === 'default')) {
+                if (namespaces.find(item => item?.metadata.name === 'default')) {
                     result = [{
                         kind: 'project',
                         metadata: {

src/odo/command.ts

@@ -461,4 +461,8 @@ export class Command {
     static analyze(): CommandText {
         return new CommandText('odo analyze -o json');
     }
+
+    static setNamespace(namespace: string) {
+        return new CommandText('odo set namespace', namespace);
+    }
 }

src/odo3.ts

@@ -7,15 +7,18 @@ import { KubernetesObject } from '@kubernetes/client-node';
 import { CommandText } from './base/command';
 import { CliChannel } from './cli';
 import { Command as CommonCommand, loadItems } from './k8s/common';
-import { DeploymentConfig } from './k8s/deploymentConfig';
 import { Command as DeploymentCommand } from './k8s/deployment';
-import { ComponentDescription } from './odo/componentTypeDescription';
+import { DeploymentConfig } from './k8s/deploymentConfig';
 import { Command } from './odo/command';
+import { ComponentDescription } from './odo/componentTypeDescription';
 
 export interface Odo3 {
     getNamespaces(): Promise<KubernetesObject[]>;
     getDeployments(): Promise<KubernetesObject[]>;
     getDeploymentConfigs(): Promise<KubernetesObject[]>;
+
+    setNamespace(newNamespace: string): Promise<void>;
+
     describeComponent(contextPath: string): Promise<ComponentDescription | undefined>;
 }
 
@@ -50,6 +53,12 @@ export class Odo3Impl implements Odo3 {
         ]);
     }
 
+    async setNamespace(newNamespace: string): Promise<void> {
+        await CliChannel.getInstance().executeTool(
+            Command.setNamespace(newNamespace), undefined, true
+        );
+    }
+
     public async describeComponent(contextPath: string): Promise<ComponentDescription | undefined> {
         try {
             const describeCmdResult = await CliChannel.getInstance().executeTool(

test/integration/index.ts

@@ -6,7 +6,7 @@
 import * as fs from 'fs';
 import * as glob from 'glob';
 import * as paths from 'path';
-import { TestRunnerOptions, CoverageRunner } from '../coverage';
+import { CoverageRunner, TestRunnerOptions } from '../coverage';
 
 require('source-map-support').install();
 
@@ -35,7 +35,7 @@ export function run(): Promise<void> {
      return new Promise((resolve, reject) => {
         const testsRoot = paths.resolve(__dirname);
         const coverageRunner = loadCoverageRunner(testsRoot);
-        glob('**/odo.test.js', { cwd: testsRoot }, (error, files): void => {
+        glob('**/odo*.test.js', { cwd: testsRoot }, (error, files): void => {
             if (error) {
                 reject(error);
             } else {

test/integration/odo3.test.ts

@@ -0,0 +1,46 @@
+/*-----------------------------------------------------------------------------------------------
+ *  Copyright (c) Red Hat, Inc. All rights reserved.
+ *  Licensed under the MIT License. See LICENSE file in the project root for license information.
+ *-----------------------------------------------------------------------------------------------*/
+
+import { expect } from 'chai';
+import { CommandText } from '../../src/base/command';
+import * as Odo from '../../src/odo';
+import { Command } from '../../src/odo/command';
+import * as Odo3 from '../../src/odo3';
+
+suite('odo 3 integration', () => {
+
+    const clusterUrl = process.env.CLUSTER_URL || 'https://192.168.42.80:8443';
+    const username = process.env.CLUSTER_USER || 'developer';
+    const password = process.env.CLUSTER_PASSWORD || 'developer';
+
+    const odo = Odo.getInstance();
+    const odo3 = Odo3.newInstance();
+
+    let project1: Odo.OpenShiftObject;
+    let project2: Odo.OpenShiftObject;
+
+    setup(async function() {
+        await odo.execute(Command.odoLoginWithUsernamePassword(clusterUrl, username, password));
+        project1 = await odo.createProject('myproject1');
+        project2 = await odo.createProject('myproject2');
+    });
+
+    teardown(async function() {
+        await odo.deleteProject(project1);
+        await odo.deleteProject(project2);
+        await odo.execute(Command.odoLogout());
+    });
+
+    test('get and set namespaces', async function () {
+        const namespaces = await odo3.getNamespaces();
+        const namespaceNames = namespaces.map(kObj => kObj.metadata.name);
+        expect(namespaceNames).to.contain('myproject1');
+        expect(namespaceNames).to.contain('myproject2');
+        await odo3.setNamespace('myproject2');
+        const exitData = await odo.execute(new CommandText('oc status'));
+        expect(exitData.stdout).to.contain('myproject2');
+    });
+
+});