1 files changed, 88 insertions, 0 deletions
diff --git a/app/assets/javascripts/create_cluster/gke_cluster/index.js b/app/assets/javascripts/create_cluster/gke_cluster/index.js
new file mode 100644
index 00000000000..729b9404b64
--- /dev/null
+++ b/app/assets/javascripts/create_cluster/gke_cluster/index.js
@@ -0,0 +1,88 @@
+/* global gapi */
+import Vue from 'vue';
+import Flash from '~/flash';
+import GkeProjectIdDropdown from './components/gke_project_id_dropdown.vue';
+import GkeZoneDropdown from './components/gke_zone_dropdown.vue';
+import GkeMachineTypeDropdown from './components/gke_machine_type_dropdown.vue';
+import * as CONSTANTS from './constants';
+
+const mountComponent = (entryPoint, component, componentName, extraProps = {}) => {
+  const el = document.querySelector(entryPoint);
+  if (!el) return false;
+
+  const hiddenInput = el.querySelector('input');
+
+  return new Vue({
+    el,
+    components: {
+      [componentName]: component,
+    },
+    render: createElement =>
+      createElement(componentName, {
+        props: {
+          fieldName: hiddenInput.getAttribute('name'),
+          fieldId: hiddenInput.getAttribute('id'),
+          defaultValue: hiddenInput.value,
+          ...extraProps,
+        },
+      }),
+  });
+};
+
+const mountGkeProjectIdDropdown = () => {
+  const entryPoint = '.js-gcp-project-id-dropdown-entry-point';
+  const el = document.querySelector(entryPoint);
+
+  mountComponent(entryPoint, GkeProjectIdDropdown, 'gke-project-id-dropdown', {
+    docsUrl: el.dataset.docsurl,
+  });
+};
+
+const mountGkeZoneDropdown = () => {
+  mountComponent('.js-gcp-zone-dropdown-entry-point', GkeZoneDropdown, 'gke-zone-dropdown');
+};
+
+const mountGkeMachineTypeDropdown = () => {
+  mountComponent(
+    '.js-gcp-machine-type-dropdown-entry-point',
+    GkeMachineTypeDropdown,
+    'gke-machine-type-dropdown',
+  );
+};
+
+const gkeDropdownErrorHandler = () => {
+  Flash(CONSTANTS.GCP_API_ERROR);
+};
+
+const initializeGapiClient = () => {
+  const el = document.querySelector('.js-gke-cluster-creation');
+  if (!el) return false;
+
+  return gapi.client
+    .init({
+      discoveryDocs: [
+        CONSTANTS.GCP_API_CLOUD_BILLING_ENDPOINT,
+        CONSTANTS.GCP_API_CLOUD_RESOURCE_MANAGER_ENDPOINT,
+        CONSTANTS.GCP_API_COMPUTE_ENDPOINT,
+      ],
+    })
+    .then(() => {
+      gapi.client.setToken({ access_token: el.dataset.token });
+
+      mountGkeProjectIdDropdown();
+      mountGkeZoneDropdown();
+      mountGkeMachineTypeDropdown();
+    })
+    .catch(gkeDropdownErrorHandler);
+};
+
+const initGkeDropdowns = () => {
+  if (!gapi) {
+    gkeDropdownErrorHandler();
+    return false;
+  }
+
+  return gapi.load('client', initializeGapiClient);
+};
+
+export default initGkeDropdowns;