Add HELM_EXTRA_ARGS to all Auto-DevOps helm invocations

changelogs/unreleased/tortuetorche-gitlab-ce-patch-auto-deploy-extra-values.yml

+---
+title: Allow extra arguments in helm commands when deploying the application in Auto-DevOps.gitlab-ci.yml
+merge_request: 26171
+author: tortuetorche
+type: changed

doc/topics/autodevops/index.md

@@ -767,6 +767,7 @@ also be customized, and you can easily use a [custom buildpack](#custom-buildpac
 | `PERFORMANCE_DISABLED`       | From GitLab 11.0, this variable can be used to disable the `performance` job. If the variable is present, the job will not be created. |
 | `K8S_SECRET_*`               | From GitLab 11.7, any variable prefixed with [`K8S_SECRET_`](#application-secret-variables) will be made available by Auto DevOps as environment variables to the deployed application. |
 | `KUBE_INGRESS_BASE_DOMAIN`   | From GitLab 11.8, this variable can be used to set a domain per cluster. See [cluster domains](../../user/project/clusters/index.md#base-domain) for more information. |
+| `HELM_EXTRA_ARGS`   | From GitLab 11.11, this variable allows extra arguments in helm commands when deploying the application. For example `--set podAnnotations.fruit="apple"` |
 
 TIP: **Tip:**
 Set up the replica variables using a

lib/gitlab/ci/templates/Jobs/Deploy.gitlab-ci.yml

@@ -404,6 +404,7 @@ rollout 100%:
         --wait \
         --set application.initializeCommand="" \
         --set application.migrateCommand="$DB_MIGRATE" \
+        $HELM_EXTRA_ARGS \
         --namespace="$KUBE_NAMESPACE" \
         "$name" \
         chart/