Merge branch 'feature/sm/35954-create-kubernetes-cluster-on-gke-from-k8s-service' into 'master'

Create Kubernetes cluster on GKE from k8s service

Closes #35954

See merge request gitlab-org/gitlab-ce!14470

2 files changed, 117 insertions, 0 deletions

diff --git a/app/assets/javascripts/clusters.js b/app/assets/javascripts/clusters.js
new file mode 100644
index 00000000000..50dbeb06362
--- /dev/null
+++ b/app/assets/javascripts/clusters.js
@@ -0,0 +1,112 @@
+/* globals Flash */
+import Visibility from 'visibilityjs';
+import axios from 'axios';
+import Poll from './lib/utils/poll';
+import { s__ } from './locale';
+import './flash';
+
+/**
+ * Cluster page has 2 separate parts:
+ *   Toggle button
+ *
+ * - Polling status while creating or scheduled
+ * -- Update status area with the response result
+ */
+
+class ClusterService {
+  constructor(options = {}) {
+    this.options = options;
+  }
+  fetchData() {
+    return axios.get(this.options.endpoint);
+  }
+}
+
+export default class Clusters {
+  constructor() {
+    const dataset = document.querySelector('.js-edit-cluster-form').dataset;
+
+    this.state = {
+      statusPath: dataset.statusPath,
+      clusterStatus: dataset.clusterStatus,
+      clusterStatusReason: dataset.clusterStatusReason,
+      toggleStatus: dataset.toggleStatus,
+    };
+
+    this.service = new ClusterService({ endpoint: this.state.statusPath });
+    this.toggleButton = document.querySelector('.js-toggle-cluster');
+    this.toggleInput = document.querySelector('.js-toggle-input');
+    this.errorContainer = document.querySelector('.js-cluster-error');
+    this.successContainer = document.querySelector('.js-cluster-success');
+    this.creatingContainer = document.querySelector('.js-cluster-creating');
+    this.errorReasonContainer = this.errorContainer.querySelector('.js-error-reason');
+
+    this.toggleButton.addEventListener('click', this.toggle.bind(this));
+
+    if (this.state.clusterStatus !== 'created') {
+      this.updateContainer(this.state.clusterStatus, this.state.clusterStatusReason);
+    }
+
+    if (this.state.statusPath) {
+      this.initPolling();
+    }
+  }
+
+  toggle() {
+    this.toggleButton.classList.toggle('checked');
+    this.toggleInput.setAttribute('value', this.toggleButton.classList.contains('checked').toString());
+  }
+
+  initPolling() {
+    this.poll = new Poll({
+      resource: this.service,
+      method: 'fetchData',
+      successCallback: (data) => {
+        const { status, status_reason } = data.data;
+        this.updateContainer(status, status_reason);
+      },
+      errorCallback: () => {
+        Flash(s__('ClusterIntegration|Something went wrong on our end.'));
+      },
+    });
+
+    if (!Visibility.hidden()) {
+      this.poll.makeRequest();
+    } else {
+      this.service.fetchData();
+    }
+
+    Visibility.change(() => {
+      if (!Visibility.hidden()) {
+        this.poll.restart();
+      } else {
+        this.poll.stop();
+      }
+    });
+  }
+
+  hideAll() {
+    this.errorContainer.classList.add('hidden');
+    this.successContainer.classList.add('hidden');
+    this.creatingContainer.classList.add('hidden');
+  }
+
+  updateContainer(status, error) {
+    this.hideAll();
+    switch (status) {
+      case 'created':
+        this.successContainer.classList.remove('hidden');
+        break;
+      case 'errored':
+        this.errorContainer.classList.remove('hidden');
+        this.errorReasonContainer.textContent = error;
+        break;
+      case 'scheduled':
+      case 'creating':
+        this.creatingContainer.classList.remove('hidden');
+        break;
+      default:
+        this.hideAll();
+    }
+  }
+}
diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index bbaa4e4d91e..e4e7cae540e 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -525,6 +525,11 @@ import { ajaxGet, convertPermissionToBoolean } from './lib/utils/common_utils';
         case 'admin:impersonation_tokens:index':
           new gl.DueDateSelectors();
           break;
+        case 'projects:clusters:show':
+          import(/* webpackChunkName: "clusters" */ './clusters')
+            .then(cluster => new cluster.default()) // eslint-disable-line new-cap
+            .catch(() => {});
+          break;
       }
       switch (path[0]) {
         case 'sessions':