Merge branch...

Merge branch '38549-variables-to-define-deploy-policy-for-staging-and-production-environments' into 'master'

Use variables to define deploy policy for staging and production environments

Closes gitlab-ce#38549

See merge request !160

Auto-DevOps.gitlab-ci.yml

@@ -217,7 +217,7 @@ stop_review:
 # only manually promote to production, enable this job by removing the dot (.),
 # and uncomment the `when: manual` line in the `production` job.
 
-.staging:
+staging:
   stage: staging
   script:
     - check_kube_domain
@@ -234,6 +234,8 @@ stop_review:
     refs:
       - master
     kubernetes: active
+    variables:
+      - $STAGING_ENABLED
 
 # Canaries are disabled by default, but if you want them,
 # and know what the downsides are, enable this job by removing the dot (.),
@@ -263,7 +265,7 @@ stop_review:
 # or `canary` deploys, or you simply want more control over when you deploy
 # to production, uncomment the `when: manual` line in the `production` job.
 
-production:
+.production: &production_template
   stage: production
   script:
     - check_kube_domain
@@ -280,11 +282,26 @@ production:
     url: http://$CI_PROJECT_PATH_SLUG.$AUTO_DEVOPS_DOMAIN
   artifacts:
     paths: [environment_url.txt]
-#  when: manual
+
+production:
+  <<: *production_template
+  only:
+    refs:
+      - master
+    kubernetes: active
+  except:
+    variables:
+      - $STAGING_ENABLED
+
+production_manual:
+  <<: *production_template
+  when: manual
   only:
     refs:
       - master
     kubernetes: active
+    variables:
+      - $STAGING_ENABLED
 
 # ---------------------------------------------------------------------------