Merge branch '30162-retire-koding-integration' into 'master'

Hide Koding setting in admin panel if not enabled

Closes #30162

See merge request !13992

app/views/admin/application_settings/_form.html.haml

@@ -539,24 +539,27 @@
         .help-block
           If you got a lot of false alarms from repository checks you can choose to clear all repository check information from the database.
 
-  %fieldset
-    %legend Koding
-    .form-group
-      .col-sm-offset-2.col-sm-10
-        .checkbox
-          = f.label :koding_enabled do
-            = f.check_box :koding_enabled
-            Enable Koding
-    .form-group
-      = f.label :koding_url, 'Koding URL', class: 'control-label col-sm-2'
-      .col-sm-10
-        = f.text_field :koding_url, class: 'form-control', placeholder: 'http://gitlab.your-koding-instance.com:8090'
-        .help-block
-          Koding has integration enabled out of the box for the
-          %strong gitlab
-          team, and you need to provide that team's URL here. Learn more in the
-          = succeed "." do
-            = link_to "Koding administration documentation", help_page_path("administration/integration/koding")
+  - if koding_enabled?
+    %fieldset
+      %legend Koding
+      .form-group
+        .col-sm-offset-2.col-sm-10
+          .checkbox
+            = f.label :koding_enabled do
+              = f.check_box :koding_enabled
+              Enable Koding
+          .help-block
+            Koding integration has been deprecated since GitLab 10.0. If you disable your Koding integration, you will not be able to enable it again.
+      .form-group
+        = f.label :koding_url, 'Koding URL', class: 'control-label col-sm-2'
+        .col-sm-10
+          = f.text_field :koding_url, class: 'form-control', placeholder: 'http://gitlab.your-koding-instance.com:8090'
+          .help-block
+            Koding has integration enabled out of the box for the
+            %strong gitlab
+            team, and you need to provide that team's URL here. Learn more in the
+            = succeed "." do
+              = link_to "Koding administration documentation", help_page_path("administration/integration/koding")
 
   %fieldset
     %legend PlantUML

changelogs/unreleased/30162-retire-koding-integration.yml

@@ -0,0 +1,4 @@
+---
+title: Deprecation of Koding integration, removal of setting in Admin Panel
+merge_request: 13992
+author: @mydigitalself