Merge branch '5956-auto-devops-multi-cluster-help-text' into 'master'

Resolve "Update auto devops flow to support multi-cluster setup"

Closes #5956

See merge request gitlab-org/gitlab-ee!5989

app/views/projects/clusters/_sidebar.html.haml

@@ -5,3 +5,6 @@
 %p
   - link = link_to(_('Kubernetes'), help_page_path('user/project/clusters/index'), target: '_blank', rel: 'noopener noreferrer')
   = s_('ClusterIntegration|Learn more about %{link_to_documentation}').html_safe % { link_to_documentation: link }
+%p
+  - docs_link = link_to s_('If you are setting up multiple clusters and are using Auto DevOps,|read this first'), help_page_path('topics/autodevops/index.md', anchor: 'using-multiple-kubernetes-clusters'), target: '_blank'
+  = s_('ClusterIntegration|If you are setting up multiple clusters and are using Auto DevOps, %{docs_link}.').html_safe % { docs_link: docs_link }

app/views/projects/settings/ci_cd/_autodevops_form.html.haml

@@ -39,5 +39,8 @@
               - if cluster_ingress_ip = cluster_ingress_ip(@project)
                 = s_('%{nip_domain} can be used as an alternative to a custom domain.').html_safe % { nip_domain: "<code>#{cluster_ingress_ip}.nip.io</code>".html_safe }
               = link_to icon('question-circle'), help_page_path('topics/autodevops/index.md', anchor: 'auto-devops-base-domain'), target: '_blank'
+            .form-text.text-muted
+              = s_('CICD|Do not set up a domain here if you are setting up multiple Kubernetes clusters with Auto DevOps.')
+              = link_to icon('question-circle'), help_page_path('topics/autodevops/index.md', anchor: 'using-multiple-kubernetes-clusters'), target: '_blank'
 
           = f.submit 'Save changes', class: "btn btn-success prepend-top-15"