Update namespace label text for managed clusters

Added the ability to update the namespace label text for gitlab-managed

app/assets/javascripts/pages/projects/clusters/show/index.js

 import ClustersBundle from '~/clusters/clusters_bundle';
+import initGkeNamespace from '~/projects/gke_cluster_namespace';
 
 document.addEventListener('DOMContentLoaded', () => {
   new ClustersBundle(); // eslint-disable-line no-new
+  initGkeNamespace();
 });

app/assets/javascripts/pages/projects/index.js

 import initGkeDropdowns from '~/projects/gke_cluster_dropdowns';
+import initGkeNamespace from '~/projects/gke_cluster_namespace';
 import PersistentUserCallout from '../../persistent_user_callout';
 import Project from './project';
 import ShortcutsNavigation from '../../behaviors/shortcuts/shortcuts_navigation';
@@ -16,6 +17,7 @@ document.addEventListener('DOMContentLoaded', () => {
     PersistentUserCallout.factory(callout);
 
     initGkeDropdowns();
+    initGkeNamespace();
   }
 
   new Project(); // eslint-disable-line no-new

app/assets/javascripts/projects/gke_cluster_namespace/index.js

+/**
+ * Disables & hides the namespace inputs when the gitlab-managed checkbox is checked/unchecked.
+ */
+
+const setDisabled = (el, isDisabled) => {
+  if (isDisabled) {
+    el.classList.add('hidden');
+    el.querySelector('input').setAttribute('disabled', true);
+  } else {
+    el.classList.remove('hidden');
+    el.querySelector('input').removeAttribute('disabled');
+  }
+};
+
+const setState = glManagedCheckbox => {
+  const glManaged = document.querySelector('.js-namespace-prefixed');
+  const selfManaged = document.querySelector('.js-namespace');
+
+  if (glManagedCheckbox.checked) {
+    setDisabled(glManaged, false);
+    setDisabled(selfManaged, true);
+  } else {
+    setDisabled(glManaged, true);
+    setDisabled(selfManaged, false);
+  }
+};
+
+const initGkeNamespace = () => {
+  const glManagedCheckbox = document.querySelector('.js-gl-managed');
+
+  setState(glManagedCheckbox); // this is needed in order to set the initial state
+  glManagedCheckbox.addEventListener('change', () => setState(glManagedCheckbox));
+};
+
+export default initGkeNamespace;

app/views/clusters/clusters/_namespace.html.haml

+- managed_namespace_help_text = s_('ClusterIntegration|Choose a prefix to be used for your namespaces. Defaults to your project path.')
+- non_managed_namespace_help_text = s_('ClusterIntegration|The namespace associated with your project. This will be used for deploy boards, pod logs, and Web terminals.')
+- managed_namespace_help_link = link_to _('More information'), help_page_path('user/project/clusters/index.md',
+  anchor: 'gitlab-managed-clusters'), target: '_blank'
+
+.js-namespace-prefixed
+  = platform_field.text_field :namespace,
+    label: s_('ClusterIntegration|Project namespace prefix (optional, unique)'), label_class: 'label-bold',
+    help: '%{help_text} %{help_link}'.html_safe % { help_text: managed_namespace_help_text, help_link: managed_namespace_help_link }
+.js-namespace.hidden
+  = platform_field.text_field :namespace,
+    label: s_('ClusterIntegration|Project namespace (optional, unique)'), label_class: 'label-bold',
+    help: '%{help_text}'.html_safe % { help_text: non_managed_namespace_help_text },
+    disabled: true

app/views/clusters/clusters/user/_form.html.haml

@@ -34,10 +34,6 @@
       autocomplete: 'off', label_class: 'label-bold',
       help: '%{help_text} %{help_link}'.html_safe % { help_text: token_help_text, help_link: more_info_link }
 
-    - if @user_cluster.allow_user_defined_namespace?
-      = platform_kubernetes_field.text_field :namespace,
-        label: s_('ClusterIntegration|Project namespace (optional, unique)'), label_class: 'label-bold'
-
     = platform_kubernetes_field.form_group :authorization_type,
       { help: '%{help_text} %{help_link}'.html_safe % { help_text: rbac_help_text, help_link: rbac_help_link } } do
       = platform_kubernetes_field.check_box :authorization_type,
@@ -46,10 +42,15 @@
 
   .form-group
     = field.check_box :managed, { label: s_('ClusterIntegration|GitLab-managed cluster'),
+      class: 'js-gl-managed',
       label_class: 'label-bold' }
     .form-text.text-muted
       = s_('ClusterIntegration|Allow GitLab to manage namespace and service accounts for this cluster.')
       = link_to _('More information'), help_page_path('user/project/clusters/index.md', anchor: 'gitlab-managed-clusters'), target: '_blank'
 
+  = field.fields_for :platform_kubernetes, @user_cluster.platform_kubernetes do |platform_kubernetes_field|
+    - if @user_cluster.allow_user_defined_namespace?
+      = render('clusters/clusters/namespace', platform_field: platform_kubernetes_field)
+
   .form-group
     = field.submit s_('ClusterIntegration|Add Kubernetes cluster'), class: 'btn btn-success'

app/views/clusters/platforms/kubernetes/_form.html.haml

@@ -36,10 +36,6 @@
     label: s_('ClusterIntegration|Service Token'), label_class: 'label-bold',
     input_group_class: 'gl-field-error-anchor', append: show_token_btn + copy_token_btn
 
-    - if cluster.allow_user_defined_namespace?
-      = platform_field.text_field :namespace, label: s_('ClusterIntegration|Project namespace (optional, unique)'),
-        label_class: 'label-bold'
-
     = platform_field.form_group :authorization_type do
       = platform_field.check_box :authorization_type, { disabled: true, label: s_('ClusterIntegration|RBAC-enabled cluster'),
       label_class: 'label-bold', inline: true }, 'rbac', 'abac'
@@ -49,10 +45,14 @@
 
     .form-group
       = field.check_box :managed, { label: s_('ClusterIntegration|GitLab-managed cluster'),
+        class: 'js-gl-managed',
         label_class: 'label-bold' }
       .form-text.text-muted
         = s_('ClusterIntegration|Allow GitLab to manage namespace and service accounts for this cluster.')
         = link_to _('More information'), help_page_path('user/project/clusters/index.md', anchor: 'gitlab-managed-clusters'), target: '_blank'
 
+    - if cluster.allow_user_defined_namespace?
+      = render('clusters/clusters/namespace', platform_field: platform_field)
+
   .form-group
     = field.submit s_('ClusterIntegration|Save changes'), class: 'btn btn-success'

changelogs/unreleased/je-separate-namespace-fe.yml

+---
+title: Update namespace label for GitLab-managed clusters
+merge_request: 30935
+author:
+type: added

locale/gitlab.pot

@@ -2383,6 +2383,9 @@ msgstr ""
 msgid "ClusterIntegration|Certificate Authority bundle (PEM format)"
 msgstr ""
 
+msgid "ClusterIntegration|Choose a prefix to be used for your namespaces. Defaults to your project path."
+msgstr ""
+
 msgid "ClusterIntegration|Choose which applications to install on your Kubernetes cluster. Helm Tiller is required to install any of the following applications."
 msgstr ""
 
@@ -2620,6 +2623,9 @@ msgstr ""
 msgid "ClusterIntegration|Project namespace (optional, unique)"
 msgstr ""
 
+msgid "ClusterIntegration|Project namespace prefix (optional, unique)"
+msgstr ""
+
 msgid "ClusterIntegration|Prometheus"
 msgstr ""
 
@@ -2728,6 +2734,9 @@ msgstr ""
 msgid "ClusterIntegration|The endpoint is in the process of being assigned. Please check your Kubernetes cluster or Quotas on Google Kubernetes Engine if it takes a long time."
 msgstr ""
 
+msgid "ClusterIntegration|The namespace associated with your project. This will be used for deploy boards, pod logs, and Web terminals."
+msgstr ""
+
 msgid "ClusterIntegration|There was a problem authenticating with your cluster. Please ensure your CA Certificate and Token are valid."
 msgstr ""
 

spec/frontend/projects/gke_cluster_namespace/gke_cluster_namespace_spec.js

+import initGkeNamespace from '~/projects/gke_cluster_namespace';
+
+describe('GKE cluster namespace', () => {
+  const changeEvent = new Event('change');
+  const isHidden = el => el.classList.contains('hidden');
+  const hasDisabledInput = el => el.querySelector('input').disabled;
+
+  let glManagedCheckbox;
+  let selfManaged;
+  let glManaged;
+
+  beforeEach(() => {
+    setFixtures(`
+      <input class="js-gl-managed" type="checkbox" value="1" checked />
+      <div class="js-namespace">
+        <input type="text" />
+      </div>      
+      <div class="js-namespace-prefixed">
+        <input type="text" />
+      </div>
+    `);
+
+    glManagedCheckbox = document.querySelector('.js-gl-managed');
+    selfManaged = document.querySelector('.js-namespace');
+    glManaged = document.querySelector('.js-namespace-prefixed');
+
+    initGkeNamespace();
+  });
+
+  describe('GKE cluster namespace toggles', () => {
+    it('initially displays the GitLab-managed label and input', () => {
+      expect(isHidden(glManaged)).toEqual(false);
+      expect(hasDisabledInput(glManaged)).toEqual(false);
+
+      expect(isHidden(selfManaged)).toEqual(true);
+      expect(hasDisabledInput(selfManaged)).toEqual(true);
+    });
+
+    it('displays the self-managed label and input when the Gitlab-managed checkbox is unchecked', () => {
+      glManagedCheckbox.checked = false;
+      glManagedCheckbox.dispatchEvent(changeEvent);
+
+      expect(isHidden(glManaged)).toEqual(true);
+      expect(hasDisabledInput(glManaged)).toEqual(true);
+
+      expect(isHidden(selfManaged)).toEqual(false);
+      expect(hasDisabledInput(selfManaged)).toEqual(false);
+    });
+
+    it('displays the GitLab-managed label and input when the Gitlab-managed checkbox is checked', () => {
+      glManagedCheckbox.checked = true;
+      glManagedCheckbox.dispatchEvent(changeEvent);
+
+      expect(isHidden(glManaged)).toEqual(false);
+      expect(hasDisabledInput(glManaged)).toEqual(false);
+
+      expect(isHidden(selfManaged)).toEqual(true);
+      expect(hasDisabledInput(selfManaged)).toEqual(true);
+    });
+  });
+});