1 files changed, 54 insertions, 1 deletions
diff --git a/app/controllers/projects/google_cloud/deployments_controller.rb b/app/controllers/projects/google_cloud/deployments_controller.rb
index 4e7fd73e378..1941eb8a5f9 100644
--- a/app/controllers/projects/google_cloud/deployments_controller.rb
+++ b/app/controllers/projects/google_cloud/deployments_controller.rb
@@ -4,10 +4,63 @@ class Projects::GoogleCloud::DeploymentsController < Projects::GoogleCloud::Base
   before_action :validate_gcp_token!
 
   def cloud_run
-    render json: "Placeholder"
+    params = { token_in_session: token_in_session }
+    enable_cloud_run_response = GoogleCloud::EnableCloudRunService
+                                  .new(project, current_user, params).execute
+
+    if enable_cloud_run_response[:status] == :error
+      flash[:error] = enable_cloud_run_response[:message]
+      redirect_to project_google_cloud_index_path(project)
+    else
+      params = { action: GoogleCloud::GeneratePipelineService::ACTION_DEPLOY_TO_CLOUD_RUN }
+      generate_pipeline_response = GoogleCloud::GeneratePipelineService
+                                     .new(project, current_user, params).execute
+
+      if generate_pipeline_response[:status] == :error
+        flash[:error] = 'Failed to generate pipeline'
+        redirect_to project_google_cloud_index_path(project)
+      else
+        cloud_run_mr_params = cloud_run_mr_params(generate_pipeline_response[:branch_name])
+        redirect_to project_new_merge_request_path(project, merge_request: cloud_run_mr_params)
+      end
+    end
+  rescue Google::Apis::ClientError => error
+    handle_gcp_error(error, project)
   end
 
   def cloud_storage
     render json: "Placeholder"
   end
+
+  private
+
+  def cloud_run_mr_params(branch_name)
+    {
+      title: cloud_run_mr_title,
+      description: cloud_run_mr_description(branch_name),
+      source_project_id: project.id,
+      target_project_id: project.id,
+      source_branch: branch_name,
+      target_branch: project.default_branch
+    }
+  end
+
+  def cloud_run_mr_title
+    'Enable deployments to Cloud Run'
+  end
+
+  def cloud_run_mr_description(branch_name)
+    <<-TEXT
+This merge request includes a Cloud Run deployment job in the pipeline definition (.gitlab-ci.yml).
+
+The `deploy-to-cloud-run` job:
+* Requires the following environment variables
+    * `GCP_PROJECT_ID`
+    * `GCP_SERVICE_ACCOUNT_KEY`
+* Job definition can be found at: https://gitlab.com/gitlab-org/incubation-engineering/five-minute-production/library
+
+This pipeline definition has been committed to the branch `#{branch_name}`.
+You may modify the pipeline definition further or accept the changes as-is if suitable.
+    TEXT
+  end
 end