Display inline validation error messages

In the new cluster forms, display form error messages
below form fields instead of a summary banner on top
of the form.

Include client side validation in order to display
user friendly error messages.

Also remove unnecessary placeholders.

app/assets/javascripts/gl_field_errors.js

@@ -15,7 +15,7 @@ export default class GlFieldErrors {
 
   initValidators() {
     // register selectors here as needed
-    const validateSelectors = [':text', ':password', '[type=email]']
+    const validateSelectors = [':text', ':password', '[type=email]', '[type=url]', '[type=number]']
       .map(selector => `input${selector}`)
       .join(',');
 

app/assets/stylesheets/framework/forms.scss

@@ -204,8 +204,10 @@ label {
   margin-top: #{$grid-size / 2};
 }
 
-.gl-field-error {
+.gl-field-error,
+.invalid-feedback {
   color: $red-500;
+  font-size: $gl-font-size;
 }
 
 .gl-show-field-errors {

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

@@ -7,25 +7,27 @@
 - help_link_end = ' %{external_link_icon}</a>'.html_safe % { external_link_icon: external_link_icon }
 
 %p
-  - link_to_help_page = link_to(s_('ClusterIntegration|help page'), help_page_path('user/project/clusters/index'), target: '_blank', rel: 'noopener noreferrer')
-  = s_('ClusterIntegration|Read our %{link_to_help_page} on Kubernetes cluster integration.').html_safe % { link_to_help_page: link_to_help_page}
+  - link_to_help_page = link_to(s_('ClusterIntegration|help page'),
+    help_page_path('user/project/clusters/index'), target: '_blank', rel: 'noopener noreferrer')
+  = s_('ClusterIntegration|Read our %{link_to_help_page} on Kubernetes cluster integration.').html_safe % { link_to_help_page: link_to_help_page }
 
 %p= link_to('Select a different Google account', @authorize_url)
 
-= form_for @gcp_cluster, html: { class: 'js-gke-cluster-creation prepend-top-20', data: { token: token_in_session } }, url: clusterable.create_gcp_clusters_path, as: :cluster do |field|
-  = form_errors(@gcp_cluster)
-  .form-group
-    = field.label :name, s_('ClusterIntegration|Kubernetes cluster name'), class: 'label-bold'
-    = field.text_field :name, class: 'form-control', placeholder: s_('ClusterIntegration|Kubernetes cluster name')
+= bootstrap_form_for @gcp_cluster, html: { class: 'gl-show-field-errors js-gke-cluster-creation prepend-top-20',
+  data: { token: token_in_session } }, url: clusterable.create_gcp_clusters_path, as: :cluster do |field|
+  = field.text_field :name, required: true, title: s_('ClusterIntegration|Cluster name is required.'),
+    label: s_('ClusterIntegration|Kubernetes cluster name'), label_class: 'label-bold'
   - if has_multiple_clusters?
-    .form-group
-      = field.label :environment_scope, s_('ClusterIntegration|Environment scope'), class: 'label-bold'
-      = field.text_field :environment_scope, class: 'form-control', placeholder: s_('ClusterIntegration|Environment scope')
+    = field.form_group :environment_scope, label: { text: s_('ClusterIntegration|Environment scope'),
+      class: 'label-bold' } do
+      = field.text_field :environment_scope, required: true, class: 'form-control',
+        title: 'Environment scope is required.', wrapper: false
       .form-text.text-muted= s_("ClusterIntegration|Choose which of your environments will use this cluster.")
 
   = field.fields_for :provider_gcp, @gcp_cluster.provider_gcp do |provider_gcp_field|
     .form-group
-      = provider_gcp_field.label :gcp_project_id, s_('ClusterIntegration|Google Cloud Platform project'), class: 'label-bold'
+      = provider_gcp_field.label :gcp_project_id, s_('ClusterIntegration|Google Cloud Platform project'),
+        class: 'label-bold'
       .js-gcp-project-id-dropdown-entry-point{ data: { docsUrl: 'https://console.cloud.google.com/home/dashboard' } }
         = provider_gcp_field.hidden_field :gcp_project_id
         .dropdown
@@ -47,9 +49,9 @@
       %p.form-text.text-muted
         = s_('ClusterIntegration|Learn more about %{help_link_start}zones%{help_link_end}.').html_safe % { help_link_start: help_link_start % { url: zones_link_url }, help_link_end: help_link_end }
 
-    .form-group
-      = provider_gcp_field.label :num_nodes, s_('ClusterIntegration|Number of nodes'), class: 'label-bold'
-      = provider_gcp_field.text_field :num_nodes, class: 'form-control', placeholder: '3'
+    = provider_gcp_field.number_field :num_nodes, required: true, placeholder: '3',
+      title: s_('ClusterIntegration|Number of nodes must be a numerical value.'),
+      label: s_('ClusterIntegration|Number of nodes'), label_class: 'label-bold'
 
     .form-group
       = provider_gcp_field.label :machine_type, s_('ClusterIntegration|Machine type'), class: 'label-bold'
@@ -64,13 +66,14 @@
         = s_('ClusterIntegration|Learn more about %{help_link_start_machine_type}machine types%{help_link_end} and %{help_link_start_pricing}pricing%{help_link_end}.').html_safe % { help_link_start_machine_type: help_link_start % { url: machine_type_link_url }, help_link_start_pricing: help_link_start % { url: pricing_link_url }, help_link_end: help_link_end }
 
     .form-group
-      .form-check
-        = provider_gcp_field.check_box :legacy_abac, { class: 'form-check-input' }, false, true
-        = provider_gcp_field.label :legacy_abac, s_('ClusterIntegration|RBAC-enabled cluster'), class: 'form-check-label label-bold'
+      = provider_gcp_field.check_box :legacy_abac, { label: s_('ClusterIntegration|RBAC-enabled cluster'),
+        label_class: 'label-bold' }, false, true
       .form-text.text-muted
         = s_('ClusterIntegration|Enable this setting if using role-based access control (RBAC).')
         = s_('ClusterIntegration|This option will allow you to install applications on RBAC clusters.')
-          = link_to _('More information'), help_page_path('user/project/clusters/index.md', anchor: 'role-based-access-control-rbac-core-only'), target: '_blank'
+        = link_to _('More information'), help_page_path('user/project/clusters/index.md',
+          anchor: 'role-based-access-control-rbac-core-only'), target: '_blank'
 
     .form-group
-      = field.submit s_('ClusterIntegration|Create Kubernetes cluster'), class: 'js-gke-cluster-creation-submit btn btn-success', disabled: true
+      = field.submit s_('ClusterIntegration|Create Kubernetes cluster'),
+        class: 'js-gke-cluster-creation-submit btn btn-success', disabled: true

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

-= form_for @user_cluster, url: clusterable.create_user_clusters_path, as: :cluster do |field|
-  = form_errors(@user_cluster)
-  .form-group
-    = field.label :name, s_('ClusterIntegration|Kubernetes cluster name'), class: 'label-bold'
-    = field.text_field :name, class: 'form-control', placeholder: s_('ClusterIntegration|Kubernetes cluster name')
+= bootstrap_form_for @user_cluster, html: { class: 'gl-show-field-errors' },
+  url: clusterable.create_user_clusters_path, as: :cluster do |field|
+  = field.text_field :name, required: true, title: s_('ClusterIntegration|Cluster name is required.'),
+    label: s_('ClusterIntegration|Kubernetes cluster name'), label_class: 'label-bold'
   - if has_multiple_clusters?
-    .form-group
-      = field.label :environment_scope, s_('ClusterIntegration|Environment scope'), class: 'label-bold'
-      = field.text_field :environment_scope, class: 'form-control', placeholder: s_('ClusterIntegration|Environment scope')
-      .form-text.text-muted= s_("ClusterIntegration|Choose which of your environments will use this cluster.")
+    = field.form_group :environment_scope, label: { text: s_('ClusterIntegration|Environment scope'),
+      class: 'label-bold' } do
+      = field.text_field :environment_scope, required: true,
+        title: 'Environment scope is required.', wrapper: false
+      .form-text.text-muted
+        = s_("ClusterIntegration|Choose which of your environments will use this cluster.")
 
   = field.fields_for :platform_kubernetes, @user_cluster.platform_kubernetes do |platform_kubernetes_field|
-    .form-group
-      = platform_kubernetes_field.label :api_url, s_('ClusterIntegration|API URL'), class: 'label-bold'
-      = platform_kubernetes_field.text_field :api_url, class: 'form-control', placeholder: s_('ClusterIntegration|API URL')
-
-    .form-group
-      = platform_kubernetes_field.label :ca_cert, s_('ClusterIntegration|CA Certificate'), class: 'label-bold'
-      = platform_kubernetes_field.text_area :ca_cert, class: 'form-control', placeholder: s_('ClusterIntegration|Certificate Authority bundle (PEM format)')
-
-    .form-group
-      = platform_kubernetes_field.label :token, s_('ClusterIntegration|Token'), class: 'label-bold'
-      = platform_kubernetes_field.text_field :token, class: 'form-control', placeholder: s_('ClusterIntegration|Service token'), autocomplete: 'off'
+    = platform_kubernetes_field.url_field :api_url, required: true,
+      title: s_('ClusterIntegration|API URL should be a valid http/https url.'),
+      label: s_('ClusterIntegration|API URL'), label_class: 'label-bold'
+    = platform_kubernetes_field.text_area :ca_cert,
+      placeholder: s_('ClusterIntegration|Certificate Authority bundle (PEM format)'),
+      label: s_('ClusterIntegration|CA Certificate'), label_class: 'label-bold'
+    = platform_kubernetes_field.text_field :token, required: true,
+      title: s_('ClusterIntegration|Service token is required.'), label: s_('ClusterIntegration|Service Token'),
+      autocomplete: 'off', label_class: 'label-bold'
 
     - if @user_cluster.allow_user_defined_namespace?
-      .form-group
-        = platform_kubernetes_field.label :namespace, s_('ClusterIntegration|Project namespace (optional, unique)'), class: 'label-bold'
-        = platform_kubernetes_field.text_field :namespace, class: 'form-control', placeholder: s_('ClusterIntegration|Project namespace')
+      = platform_kubernetes_field.text_field :namespace,
+        label: s_('ClusterIntegration|Project namespace (optional, unique)'), label_class: 'label-bold'
 
-    .form-group
-      .form-check
-        = platform_kubernetes_field.check_box :authorization_type, { class: 'form-check-input qa-rbac-checkbox' }, 'rbac', 'abac'
-        = platform_kubernetes_field.label :authorization_type, s_('ClusterIntegration|RBAC-enabled cluster'), class: 'form-check-label label-bold'
+    = platform_kubernetes_field.form_group :authorization_type do
+      = platform_kubernetes_field.check_box :authorization_type,
+        { class: 'qa-rbac-checkbox', label: s_('ClusterIntegration|RBAC-enabled cluster'),
+        label_class: 'label-bold', inline: true }, 'rbac', 'abac'
       .form-text.text-muted
         = s_('ClusterIntegration|Enable this setting if using role-based access control (RBAC).')
         = s_('ClusterIntegration|This option will allow you to install applications on RBAC clusters.')
-          = link_to _('More information'), help_page_path('user/project/clusters/index.md', anchor: 'role-based-access-control-rbac-core-only'), target: '_blank'
+        = link_to _('More information'), help_page_path('user/project/clusters/index.md',
+          anchor: 'role-based-access-control-rbac-core-only'), target: '_blank'
 
     .form-group
       = field.submit s_('ClusterIntegration|Add Kubernetes cluster'), class: 'btn btn-success'

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

-= form_for cluster, url: update_cluster_url_path, as: :cluster do |field|
-  = form_errors(cluster)
-
-  .form-group
-    - if cluster.read_only_kubernetes_platform_fields?
-      %label.append-bottom-10{ for: 'cluster-name' }
-        = s_('ClusterIntegration|Kubernetes cluster name')
-      .input-group
-        %input.form-control.cluster-name.js-select-on-focus{ value: cluster.name, readonly: true }
-        %span.input-group-append
-          = clipboard_button(text: cluster.name, title: s_('ClusterIntegration|Copy Kubernetes cluster name'), class: 'input-group-text btn-default')
-    - else
-      = field.label :name, s_('ClusterIntegration|Kubernetes cluster name'), class: 'label-bold'
-      .input-group
-        = field.text_field :name, class: 'form-control', placeholder: s_('ClusterIntegration|Kubernetes cluster name')
+= bootstrap_form_for cluster, url: update_cluster_url_path, html: { class: 'gl-show-field-errors' },
+  as: :cluster do |field|
+  - copy_name_btn = clipboard_button(text: cluster.name, title: s_('ClusterIntegration|Copy Kubernetes cluster name'),
+    class: 'input-group-text btn-default') unless !cluster.read_only_kubernetes_platform_fields?
+  = field.text_field :name, class: 'js-select-on-focus cluster-name', required: true,
+  title: s_('ClusterIntegration|Cluster name is required.'),
+  readonly: cluster.read_only_kubernetes_platform_fields?,
+  label: s_('ClusterIntegration|Kubernetes cluster name'), label_class: 'label-bold',
+  input_group_class: 'gl-field-error-anchor', append: copy_name_btn
 
   = field.fields_for :platform_kubernetes, platform do |platform_field|
-    .form-group
-      = platform_field.label :api_url, s_('ClusterIntegration|API URL')
-      .input-group
-        = platform_field.text_field :api_url, class: 'form-control js-select-on-focus', placeholder: s_('ClusterIntegration|API URL'), readonly: cluster.read_only_kubernetes_platform_fields?
-        - if cluster.read_only_kubernetes_platform_fields?
-          %span.input-group-append
-            = clipboard_button(text: platform.api_url, title: s_('ClusterIntegration|Copy API URL'), class: 'input-group-text btn-default')
+    - copy_api_url = clipboard_button(text: platform.api_url, title: s_('ClusterIntegration|Copy API URL'),
+    class: 'input-group-text btn-default') unless !cluster.read_only_kubernetes_platform_fields?
+    = platform_field.text_field :api_url, class: 'js-select-on-focus', required: true,
+    title: s_('ClusterIntegration|API URL should be a valid http/https url.'),
+    readonly: cluster.read_only_kubernetes_platform_fields?,
+    label: s_('ClusterIntegration|API URL'), label_class: 'label-bold',
+    input_group_class: 'gl-field-error-anchor', append: copy_api_url
 
-    .form-group
-      = platform_field.label :ca_cert, s_('ClusterIntegration|CA Certificate')
-      .input-group
-        = platform_field.text_area :ca_cert, class: 'form-control js-select-on-focus', placeholder: s_('ClusterIntegration|Certificate Authority bundle (PEM format)'), readonly: cluster.read_only_kubernetes_platform_fields?
-        - if cluster.read_only_kubernetes_platform_fields?
-          %span.input-group-append.clipboard-addon
-            = clipboard_button(text: platform.ca_cert, title: s_('ClusterIntegration|Copy CA Certificate'), class: 'input-group-text btn-blank')
+    - copy_ca_cert_btn = clipboard_button(text: platform.ca_cert, title: s_('ClusterIntegration|Copy CA Certificate'),
+      class: 'input-group-text btn-default') unless !cluster.read_only_kubernetes_platform_fields?
+    = platform_field.text_area :ca_cert, class: 'js-select-on-focus', rows: '5',
+    readonly: cluster.read_only_kubernetes_platform_fields?,
+    placeholder: s_('ClusterIntegration|Certificate Authority bundle (PEM format)'),
+    label: s_('ClusterIntegration|CA Certificate'), label_class: 'label-bold',
+    input_group_class: 'gl-field-error-anchor', append: copy_ca_cert_btn
 
-    .form-group
-      = platform_field.label :token, s_('ClusterIntegration|Token')
-      .input-group
-        = platform_field.text_field :token, class: 'form-control js-cluster-token js-select-on-focus', type: 'password', placeholder: s_('ClusterIntegration|Token'), readonly: cluster.read_only_kubernetes_platform_fields?
-        %span.input-group-append
-          %button.btn.btn-default.input-group-text.js-show-cluster-token{ type: 'button' }
-            = s_('ClusterIntegration|Show')
-          - if cluster.read_only_kubernetes_platform_fields?
-            = clipboard_button(text: platform.token, title: s_('ClusterIntegration|Copy Token'), class: 'btn-default')
+    - show_token_btn = (platform_field.button s_('ClusterIntegration|Show'),
+      type: 'button', class: 'js-show-cluster-token btn btn-default')
+    - copy_token_btn = clipboard_button(text: platform.token, title: s_('ClusterIntegration|Copy Service Token'),
+      class: 'input-group-text btn-default') unless !cluster.read_only_kubernetes_platform_fields?
+
+    = platform_field.text_field :token, type: 'password', class: 'js-select-on-focus js-cluster-token',
+    required: true, title: s_('ClusterIntegration|Service token is required.'),
+    readonly: cluster.read_only_kubernetes_platform_fields?,
+    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?
-      .form-group
-        = platform_field.label :namespace, s_('ClusterIntegration|Project namespace (optional, unique)')
-        = platform_field.text_field :namespace, class: 'form-control', placeholder: s_('ClusterIntegration|Project namespace')
+      = platform_field.text_field :namespace, label: s_('ClusterIntegration|Project namespace (optional, unique)'),
+        label_class: 'label-bold'
 
-    .form-group
-      .form-check
-        = platform_field.check_box :authorization_type, { class: 'form-check-input', disabled: true }, 'rbac', 'abac'
-        = platform_field.label :authorization_type, s_('ClusterIntegration|RBAC-enabled cluster'), class: 'form-check-label 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'
       .form-text.text-muted
         = s_('ClusterIntegration|Enable this setting if using role-based access control (RBAC).')
         = s_('ClusterIntegration|This option will allow you to install applications on RBAC clusters.')

changelogs/unreleased/57602-create-cluster-validations.yml

+---
+title: Display cluster form validation error messages inline
+merge_request: 26502
+author:
+type: changed

ee/app/models/ee/clusters/cluster.rb

@@ -13,12 +13,12 @@ module EE
 
       def unique_environment_scope
         if project && project.clusters.where(environment_scope: environment_scope).where.not(id: id).exists?
-          errors.add(:base, "cannot add duplicated environment scope")
+          errors.add(:environment_scope, "cannot add duplicated environment scope")
           return false
         end
 
         if group && group.clusters.where(environment_scope: environment_scope).where.not(id: id).exists?
-          errors.add(:base, 'cannot add duplicated environment scope')
+          errors.add(:environment_scope, 'cannot add duplicated environment scope')
           return false
         end
 

ee/spec/features/projects/clusters_spec.rb

@@ -64,6 +64,9 @@ describe 'EE Clusters', :js do
             click_link 'Add existing cluster'
             fill_in 'cluster_name', with: 'staging-cluster'
             fill_in 'cluster_environment_scope', with: '*'
+            fill_in 'cluster_platform_kubernetes_attributes_api_url', with: 'https://0.0.0.0'
+            fill_in 'cluster_platform_kubernetes_attributes_token', with: 'token'
+
             click_button 'Add Kubernetes cluster'
           end
 

locale/gitlab.pot

@@ -2256,6 +2256,9 @@ msgstr ""
 msgid "ClusterIntegration|API URL"
 msgstr ""
 
+msgid "ClusterIntegration|API URL should be a valid http/https url."
+msgstr ""
+
 msgid "ClusterIntegration|Add Kubernetes cluster"
 msgstr ""
 
@@ -2319,6 +2322,9 @@ msgstr ""
 msgid "ClusterIntegration|Cluster health"
 msgstr ""
 
+msgid "ClusterIntegration|Cluster name is required."
+msgstr ""
+
 msgid "ClusterIntegration|Clusters are utilized by selecting the nearest ancestor with a matching environment scope. For example, project clusters will override group clusters."
 msgstr ""
 
@@ -2340,7 +2346,7 @@ msgstr ""
 msgid "ClusterIntegration|Copy Kubernetes cluster name"
 msgstr ""
 
-msgid "ClusterIntegration|Copy Token"
+msgid "ClusterIntegration|Copy Service Token"
 msgstr ""
 
 msgid "ClusterIntegration|Create Kubernetes cluster"
@@ -2538,6 +2544,9 @@ msgstr ""
 msgid "ClusterIntegration|Number of nodes"
 msgstr ""
 
+msgid "ClusterIntegration|Number of nodes must be a numerical value."
+msgstr ""
+
 msgid "ClusterIntegration|Please enter access information for your Kubernetes cluster. If you need help, you can read our %{link_to_help_page} on Kubernetes"
 msgstr ""
 
@@ -2550,9 +2559,6 @@ msgstr ""
 msgid "ClusterIntegration|Project cluster"
 msgstr ""
 
-msgid "ClusterIntegration|Project namespace"
-msgstr ""
-
 msgid "ClusterIntegration|Project namespace (optional, unique)"
 msgstr ""
 
@@ -2619,7 +2625,10 @@ msgstr ""
 msgid "ClusterIntegration|Select zone to choose machine type"
 msgstr ""
 
-msgid "ClusterIntegration|Service token"
+msgid "ClusterIntegration|Service Token"
+msgstr ""
+
+msgid "ClusterIntegration|Service token is required."
 msgstr ""
 
 msgid "ClusterIntegration|Show"
@@ -2652,9 +2661,6 @@ msgstr ""
 msgid "ClusterIntegration|Toggle Kubernetes cluster"
 msgstr ""
 
-msgid "ClusterIntegration|Token"
-msgstr ""
-
 msgid "ClusterIntegration|Update failed. Please check the logs and try again."
 msgstr ""
 

qa/qa/page/project/operations/kubernetes/add_existing.rb

@@ -6,7 +6,7 @@ module QA
           class AddExisting < Page::Base
             view 'app/views/clusters/clusters/user/_form.html.haml' do
               element :cluster_name, 'text_field :name' # rubocop:disable QA/ElementWithPattern
-              element :api_url, 'text_field :api_url' # rubocop:disable QA/ElementWithPattern
+              element :api_url, 'url_field :api_url' # rubocop:disable QA/ElementWithPattern
               element :ca_certificate, 'text_area :ca_cert' # rubocop:disable QA/ElementWithPattern
               element :token, 'text_field :token' # rubocop:disable QA/ElementWithPattern
               element :add_cluster_button, "submit s_('ClusterIntegration|Add Kubernetes cluster')" # rubocop:disable QA/ElementWithPattern

spec/features/groups/clusters/user_spec.rb

@@ -69,7 +69,7 @@ describe 'User Cluster', :js do
       end
 
       it 'user sees a validation error' do
-        expect(page).to have_css('#error_explanation')
+        expect(page).to have_css('.gl-field-error')
       end
     end
   end

spec/features/projects/clusters/gcp_spec.rb

@@ -92,7 +92,7 @@ describe 'Gcp Cluster', :js do
         end
 
         it 'user sees a validation error' do
-          expect(page).to have_css('#error_explanation')
+          expect(page).to have_css('.gl-field-error')
         end
       end
     end

spec/features/projects/clusters/user_spec.rb

@@ -53,7 +53,7 @@ describe 'User Cluster', :js do
       end
 
       it 'user sees a validation error' do
-        expect(page).to have_css('#error_explanation')
+        expect(page).to have_css('.gl-field-error')
       end
     end
   end