feat: If possible reuse the MR in the k8s repo to update container im…

…ages (#290)

.github/workflows/update-k8s-deployments/action.yaml

@@ -22,12 +22,14 @@ runs:
  cd .git
 
  # checkout branch
- git clone "https://gitlab-ci-token:${GITLAB_API_TOKEN}@gitlab.com/dfinity-lab/private/k8s/k8s.git"
+ git clone --depth 10 --branch "main" "https://gitlab-ci-token:${GITLAB_API_TOKEN}@gitlab.com/dfinity-lab/private/k8s/k8s.git"
 
  cd k8s
  git config user.email "[email protected]"
  git config user.name "IDX Automation"
- git checkout -b "update-image-tag-${GITHUB_SHA}"
+ DRE_REPO_BRANCH="${{ github.head_ref || github.event.pull_request.head.ref }}"
+ K8S_REPO_BRANCH="update-dre-images"
+ git checkout -b "${NEW_BRANCH}"
 
  # Update the internal dashboard image refs
  # this regex matches the first group (ie the image name) and uses \1
@@ -43,9 +45,10 @@ runs:
  fi
 
  # Push changes and create a new merge request
- git commit -m "Updating container base image refs"
+ git commit -m "Updating DRE container images"
  git push \
  -o merge_request.create \
- -o merge_request.title="[nomrbot] - Updating container image refs mainnet-dashboard [$GITHUB_SHA]" \
- -o merge_request.description="Changes to the release repository - [here](https://github.com/dfinity/dre/commit/$GITHUB_SHA)" \
- --force --set-upstream origin "update-image-tag-${GITHUB_SHA}"
+ -o merge_request.title="[nomrbot] - Updating DRE container images" \
+ -o merge_request.description="Updating the DRE container images based on the latest changes in the DRE repository - [here](https://github.com/dfinity/dre/commits/$DRE_REPO_BRANCH" \
+ --force --set-upstream origin "${NEW_BRANCH}" || \
+ git push --force --set-upstream origin "${NEW_BRANCH}"