CD for feature branches (cleanup job) #17964
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| name: CD for feature branches (cleanup job) | |
| on: | |
| schedule: | |
| - cron: '*/30 * * * *' # Run every 30 minutes | |
| workflow_dispatch: # Allow triggering manually | |
| jobs: | |
| find-prs-to-undeploy: | |
| name: Find PRs to uninstall | |
| runs-on: ubuntu-latest | |
| outputs: | |
| to-uninstall: ${{ steps.to-uninstall.outputs.list }} | |
| never-uninstall: ${{ steps.to-uninstall.outputs.never_uninstall }} | |
| steps: | |
| - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4 | |
| - name: Find all open PRs that have a "deploy!" label | |
| id: deployment-candidates | |
| # create a list of JSON objects like: | |
| # [ | |
| # {"name": "pr1234", "sha": "... commit sha ...", "number": "1234"} | |
| # ] | |
| run: | | |
| PULL_REQUESTS=$(curl -X POST --location "https://api.github.com/graphql" \ | |
| -H "Accept: application/vnd.github.v3+json" \ | |
| -H "Authorization: Bearer ${{ secrets.REPO_ACCESS_TOKEN }}" \ | |
| -d "{\"query\": \"query { search(query: \\\"is:open is:pr label:deploy! repo:${{ github.repository }}\\\", type: ISSUE, first: 100) { edges { node { ... on PullRequest { number headRefOid } } } } }\"}") | |
| LIST=$(printf "$PULL_REQUESTS" | jq '.data.search.edges' \ | |
| | jq 'map({"name":("pr"+(.node.number|tostring)),sha:.node.headRefOid,number:(.node.number|tostring)})' ) | |
| echo "Deployment candidates: $LIST" | |
| echo "list=$LIST" | tr -d "\n" >> $GITHUB_OUTPUT | |
| - name: Read the list of all currently active deployments | |
| id: current-deployments | |
| run: | | |
| # Setup authentication | |
| mkdir ~/.kube && echo '${{ secrets.KUBECONFIG }}' > ~/.kube/config && chmod go-r ~/.kube/config | |
| # Read list of deployments using helm, and remove the leading ecamp3- from each of the names. | |
| # Creates a list of objects like [{"name": "pr1234", "sha": "... commit sha ..."}, {"name": "dev", "sha": "..."}] | |
| LIST=$(helm list -o json | jq 'map(.name|=sub("^ecamp3-";""))' | jq 'map({name:.name,sha:.app_version})') | |
| echo "Currently active deployments: $LIST" | |
| echo "list=$LIST" | tr -d "\n" >> $GITHUB_OUTPUT | |
| - name: List deployments without PR | |
| id: to-uninstall | |
| env: | |
| deployments: ${{ toJSON(fromJSON(steps.current-deployments.outputs.list).*.name) }} | |
| prs: ${{ toJSON(fromJSON(steps.deployment-candidates.outputs.list).*.name) }} | |
| never_uninstall: '["dev", "devel", "stage", "staging", "prod"]' | |
| run: | | |
| TO_UNINSTALL=$(jq --null-input --argjson prs '${{ env.prs }}' --argjson deployments '${{ env.deployments }}' --argjson never_uninstall '${{ env.never_uninstall }}' '$deployments-$prs-$never_uninstall') | |
| echo "Will uninstall: $TO_UNINSTALL" | |
| echo "list=$TO_UNINSTALL" | tr -d "\n" >> $GITHUB_OUTPUT | |
| echo "\n" >> $GITHUB_OUTPUT | |
| echo "never_uninstall=$never_uninstall" | tr -d "\n" >> $GITHUB_OUTPUT | |
| uninstall-old-deployment: | |
| name: Uninstall old deployment | |
| runs-on: ubuntu-latest | |
| needs: | |
| - find-prs-to-undeploy | |
| if: fromJSON(needs.find-prs-to-undeploy.outputs.to-uninstall)[0] != null | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| deployment-name: ${{ fromJSON(needs.find-prs-to-undeploy.outputs.to-uninstall) }} | |
| steps: | |
| - name: Uninstall helm release | |
| run: | | |
| # Setup authentication | |
| mkdir ~/.kube && echo '${{ secrets.KUBECONFIG }}' > ~/.kube/config && chmod go-r ~/.kube/config | |
| # Uninstall the release | |
| helm delete ecamp3-${{ matrix.deployment-name }} | |
| - name: Remove GitHub deployment | |
| uses: bobheadxi/[email protected] | |
| with: | |
| step: deactivate-env | |
| token: ${{ secrets.REPO_ACCESS_TOKEN }} | |
| env: ${{ matrix.deployment-name }} | |
| - name: Find former PR number based on deployment name | |
| id: pr-number | |
| env: | |
| name: ${{ matrix.deployment-name }} | |
| regex: '^pr([0-9]+)$' | |
| run: | | |
| [[ $name =~ $regex ]] | |
| echo number=${BASH_REMATCH[1]} >> $GITHUB_OUTPUT | |
| - name: Comment about uninstallation on PR | |
| uses: thollander/actions-comment-pull-request@v2 | |
| if: steps.pr-number.outputs.number | |
| with: | |
| pr_number: ${{ steps.pr-number.outputs.number }} | |
| message: | | |
| ### <span aria-hidden="true">⛔</span> Feature branch deployment currently inactive. | |
| If the PR is still open, you can add the `deploy!` label to this PR to trigger a feature branch deployment. | |
| comment_tag: feature-branch-deployment-status | |
| create_if_not_exists: false |