build-test-publish.yaml

name: "Build, Test, and Publish"

on:
  workflow_dispatch:
  push:
    branches:
      - "master"
    tags:
      - "v*"
  pull_request:
    branches:
      - "master"
    paths-ignore:
      - "**/*.md"
      - "**/*.txt"

env:
  # Container image registry to publish images to:
  REGISTRY: ghcr.io
  # Where to push an image of the CSI driver that will be retained (for master builds or releases) without a specific tag:
  IMAGE_NAME: ghcr.io/thinkparq/beegfs-csi-driver
  # Where to push an image of the CSI driver for testing (including the operator) without a specific tag:
  TEST_IMAGE_NAME: ghcr.io/thinkparq/test-beegfs-csi-driver
  # Where to push an image of the operator that will be retained (for master builds or releases) without a specific tag:
  OPERATOR_IMAGE_NAME: ghcr.io/thinkparq/beegfs-csi-driver-operator
  # Where to push an image of the operator for testing without a specific tag:
  OPERATOR_TEST_IMAGE_NAME: ghcr.io/thinkparq/test-beegfs-csi-driver-operator
  # Where to push an image of the bundle for testing without a specific tag:
  OPERATOR_TEST_BUNDLE_NAME: ghcr.io/thinkparq/test-beegfs-csi-driver-operator-bundle

  # Note for all test images the github.sha will be used as the tag.

jobs:
  build-and-unit-test:
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@v3
        with:
          # Work around for how release-tools verify-subtree.sh verifies release-tools has not been modified.
          fetch-depth: "0"

      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: 1.22.0
      # Dependencies are cached by default: https://github.com/actions/setup-go#v4
      # This can be explicitly disabled if it ever causes problems.

      - name: Build the container image
        run: |
          export SHELL=/bin/bash
          make container
          echo -n "verifying images:"
          docker images

      - name: Install test dependencies
        run: |
          go install github.com/onsi/ginkgo/v2/ginkgo@v2.4.0
          go install github.com/google/go-licenses@v1.6.0
        timeout-minutes: 5

      - name: Verify license compliance and the NOTICE file is updated
        run: |
          make test-licenses

      - name: Run unit tests
        run: |
          ACK_GINKGO_DEPRECATIONS=1.16.5 TESTARGS="-v -ginkgo.v" make test
      # TODO: Consider if we should write the results to a file and keep it as an artifact.
      # For example using: https://github.com/marketplace/actions/junit-report-action
      # TODO: Can we cache anything here? test-vendor downloads a lot of stuff.
      # https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go#caching-dependencies

      - name: Log into the GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Push the image for reuse in subsequent steps, jobs, and workflows.
      # For now just tag with the commit ID to ensure subsequent jobs in this workflow run use the correct image.
      - name: Tag and push the CSI driver as a test package
        run: |
          docker tag beegfs-csi-driver:latest ${{ env.TEST_IMAGE_NAME }}:${{ github.sha }}
          docker push ${{ env.TEST_IMAGE_NAME }}:${{ github.sha }}

      # TODO: Cache this dependency for reuse here and in e2e tests.
      # https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go#caching-dependencies
      # Adapted from https://sdk.operatorframework.io/docs/installation/#install-from-github-release
      - name: Install the Operator SDK
        run: |
          export ARCH=$(case $(uname -m) in x86_64) echo -n amd64 ;; aarch64) echo -n arm64 ;; *) echo -n $(uname -m) ;; esac)
          export OS=$(uname | awk '{print tolower($0)}')
          export OPERATOR_SDK_DL_URL=https://github.com/operator-framework/operator-sdk/releases/download/v1.25.0
          curl -LO ${OPERATOR_SDK_DL_URL}/operator-sdk_${OS}_${ARCH}
          chmod +x operator-sdk_${OS}_${ARCH} && sudo mv operator-sdk_${OS}_${ARCH} /usr/local/bin/operator-sdk

      # For now just tag the image with the commit ID and publish as a test package.
      # This ensures subsequent jobs in this workflow run use the correct image.
      # If the operator passes all tests, it can be retagged as a master or release build.
      - name: Build, test, and push operator as a test package
        run: |
          cd operator
          make -e IMG=${{ env.OPERATOR_TEST_IMAGE_NAME }}:${{ github.sha }} build docker-build
          # Build bundle without modification to verify that generated code and manifests are up to date.
          make bundle
          if ! git diff --exit-code > /dev/null; then
              # The above make steps have run all generators. The developer making changes should also 
              # have run all generators and committed the result. Do not proceed if the generators run 
              # here produce different output than the developer committed.
              echo "ERROR: Generated code and/or manifests are not up to date"
              git diff
              exit 1
          fi

          make -e IMG=${{ env.OPERATOR_TEST_IMAGE_NAME }}:${{ github.sha }} docker-push

      # The bundle container built in this step can only be used for testing.
      # This is because it references an operator image tag that will be cleaned up after this workflow completes.
      # This is fine because a bundle container is not actually used to release the operator (the pristine bundle directory is used instead).
      - name: Build and push the operator bundle as a test package
        run: |
          cd operator
          make -e IMG=${{ env.OPERATOR_TEST_IMAGE_NAME }}:${{ github.sha }} -e BUNDLE_IMG=${{ env.OPERATOR_TEST_BUNDLE_NAME }}:${{ github.sha }} bundle bundle-build bundle-push

  e2e-tests:
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    needs: build-and-unit-test
    if: github.event_name == 'pull_request'
    strategy:
      fail-fast: true
      matrix:
        k8s-version: [1.23.17, 1.24.15, 1.25.11, 1.26.3, 1.27.3]
        beegfs-version: [7.3.4, 7.4.0]
    permissions:
      packages: read
      contents: read
    steps:
      - uses: actions/checkout@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Deploy Kubernetes ${{ matrix.k8s-version }} using Minikube
        uses: medyagh/setup-minikube@latest
        with:
          driver: none
          kubernetes-version: ${{ matrix.k8s-version }}

      - name: Deploy BeeGFS ${{ matrix.beegfs-version }} for testing
        run: |
          export BEEGFS_VERSION=$(echo ${{ matrix.beegfs-version }})
          export BEEGFS_SECRET=$(echo ${{ secrets.CONN_AUTH_SECRET }})
          envsubst < test/env/beegfs-ubuntu/beegfs-fs-1.yaml | kubectl apply -f -
          kubectl get pods -A

      # TODO: Cache BeeGFS packages https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows
      # https://stackoverflow.com/questions/59269850/caching-apt-packages-in-github-actions-workflow
      - name: Install the BeeGFS ${{ matrix.beegfs-version }} DKMS client
        run: |
          sudo wget -P /etc/apt/sources.list.d/. https://www.beegfs.io/release/beegfs_${{ matrix.beegfs-version }}/dists/beegfs-focal.list
          sudo wget -q https://www.beegfs.io/release/beegfs_${{ matrix.beegfs-version }}/gpg/GPG-KEY-beegfs -O- | sudo apt-key add -
          sudo apt-get update && sudo apt-get install beegfs-client-dkms beegfs-helperd beegfs-utils -y
          sudo sed -i 's/connDisableAuthentication = false/connDisableAuthentication = true/' /etc/beegfs/beegfs-helperd.conf
          sudo systemctl start beegfs-helperd && sudo systemctl enable beegfs-helperd

      - name: Deploy the BeeGFS CSI driver
        run: |
          export BEEGFS_SECRET=$(echo ${{ secrets.CONN_AUTH_SECRET }})
          envsubst < test/env/beegfs-ubuntu/csi-beegfs-connauth.yaml > deploy/k8s/overlays/default/csi-beegfs-connauth.yaml
          # TODO: Enable once the K8s versions in the matrix are added to versions/
          # sed -i 's?/versions/latest?/versions/v${{ matrix.k8s-version }}?g' deploy/k8s/overlays/default/kustomization.yaml
          echo -e "\nimages:\n  - name: ${{ env.IMAGE_NAME }}\n    newName: ${{ env.TEST_IMAGE_NAME }}\n    newTag: ${{ github.sha }}" >> deploy/k8s/overlays/default/kustomization.yaml
          kubectl apply -k deploy/k8s/overlays/default

      # TODO (https://github.com/ThinkParQ/beegfs-csi-driver/issues/21): Actually run e2e tests using Ginko with an appropriate timeout.

      - name: Deploy all examples to verify the driver is available
        run: |
          echo "${{ secrets.CONN_AUTH_SECRET }}" | sudo tee /etc/beegfs/connAuth > /dev/null
          sudo sed -i '0,/connAuthFile[[:space:]]*=[[:space:]]*/s//connAuthFile = \/etc\/beegfs\/connAuth/' /etc/beegfs/beegfs-client.conf
          sudo sed -i '0,/sysMgmtdHost[[:space:]]*=[[:space:]]*/s//sysMgmtdHost = localhost/' /etc/beegfs/beegfs-client.conf
          sudo beegfs-ctl --cfgFile=/etc/beegfs/beegfs-client.conf --unmounted --createdir /k8s
          sudo beegfs-ctl --cfgFile=/etc/beegfs/beegfs-client.conf --unmounted --createdir /k8s/all
          sudo beegfs-ctl --cfgFile=/etc/beegfs/beegfs-client.conf --unmounted --createdir /k8s/all/static
          sudo beegfs-ctl --cfgFile=/etc/beegfs/beegfs-client.conf --unmounted --createdir /k8s/all/static-ro
          kubectl apply -f examples/k8s/all

      # If the controller or node service failed to start, our test pod would still be in phase pending.
      # We'll check periodically if the pod has started and if we reach the max number of attempts fail with debug output.
      - name: Wait and verify the test pod is running
        run: |
          MAX_ATTEMPTS=36
          SLEEP_TIME=5
          COUNTER=0

          while [ $COUNTER -lt $MAX_ATTEMPTS ]; do
            POD_STATUS=$(kubectl get pods csi-beegfs-all-app -o jsonpath='{.status.phase}')
            echo "Pod status: ${POD_STATUS}"
            if [ "${POD_STATUS}" == "Running" ]; then
              echo "Verified test pod is running."
              break
            else
              echo "Pod is not running, waiting for ${SLEEP_TIME} seconds..."
              sleep ${SLEEP_TIME}
              COUNTER=$((COUNTER+1))
            fi
          done

          if [ $COUNTER -eq $MAX_ATTEMPTS ]; then
            echo "Test pod did not reach 'Running' status within the maximum allowed time. Outputting debug information and exiting with error..."
            kubectl get pods -A
            kubectl describe pod -n beegfs-csi csi-beegfs-controller-0
            POD_NAME=$(kubectl get pods -n beegfs-csi -o jsonpath='{range .items[*]}{.metadata.name}{"\n"}{end}' | grep 'csi-beegfs-node-')
            kubectl describe pod -n beegfs-csi $POD_NAME
            kubectl describe pod csi-beegfs-all-app
            docker images
            exit 1
          fi

  operator-e2e-tests:
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    needs: build-and-unit-test
    if: github.event_name == 'pull_request'
    strategy:
      fail-fast: true
      matrix:
        k8s-version: [1.23.17, 1.24.15, 1.25.11, 1.26.3, 1.27.3]
        beegfs-version: [7.3.4, 7.4.0]
    permissions:
      packages: read
      contents: read
    steps:
      - uses: actions/checkout@v3

      - name: Deploy Kubernetes ${{ matrix.k8s-version }} using Minikube
        uses: medyagh/setup-minikube@latest
        with:
          #driver: none
          # Cannot use "none" driver with OLM.
          kubernetes-version: ${{ matrix.k8s-version }}
          mount-path: "/etc/beegfs:/etc/beegfs"

      # TODO: Cache this dependency for reuse here and above.
      # https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go#caching-dependencies
      # Adapted from https://sdk.operatorframework.io/docs/installation/#install-from-github-release
      - name: Install the Operator SDK
        run: |
          export ARCH=$(case $(uname -m) in x86_64) echo -n amd64 ;; aarch64) echo -n arm64 ;; *) echo -n $(uname -m) ;; esac)
          export OS=$(uname | awk '{print tolower($0)}')
          export OPERATOR_SDK_DL_URL=https://github.com/operator-framework/operator-sdk/releases/download/v1.25.0
          curl -LO ${OPERATOR_SDK_DL_URL}/operator-sdk_${OS}_${ARCH}
          chmod +x operator-sdk_${OS}_${ARCH} && sudo mv operator-sdk_${OS}_${ARCH} /usr/local/bin/operator-sdk

      - name: Run Operator Scorecard
        run: |
          operator-sdk scorecard ./operator/bundle -w 180s > /tmp/scorecard.txt 2>&1 || (echo "SCORECARD FAILURE!" && exit 1)

      - name: Save the Operator Scorecard results as an artifact
        uses: actions/upload-artifact@v3
        if: ${{ always() }}
        with:
          name: operator-scorecard-k8s${{ matrix.k8s-version }}-beegfs${{ matrix.beegfs-version }}
          path: /tmp/scorecard.txt

      - name: Install Operator Lifecycle Manager (OLM)
        run: |
          curl -L https://github.com/operator-framework/operator-lifecycle-manager/releases/download/v0.25.0/install.sh -o install.sh
          chmod +x install.sh
          ./install.sh v0.25.0

      # Test using a base64 encoded secret for the Operator based deployment to
      # ensure the broadest coverage for how we handle base64 encoded secrets.
      - name: Deploy BeeGFS ${{ matrix.beegfs-version }} for testing and expose as a service to the host OS
        run: |
          export BEEGFS_VERSION=$(echo ${{ matrix.beegfs-version }})
          export BEEGFS_SECRET=$(echo ${{ secrets.CONN_AUTH_BASE64_SECRET }})
          envsubst < test/env/beegfs-ubuntu/beegfs-fs-2.yaml | kubectl apply -f -

          MAX_ATTEMPTS=36
          SLEEP_TIME=5
          COUNTER=0

          # If we try to expose the service to the host OS before the pod is ready we'll get an error.
          # Make sure the BeeGFS FS started before we continue.
          while [ $COUNTER -lt $MAX_ATTEMPTS ]; do
            POD_STATUS=$(kubectl get pods beegfs-fs-2-0 -o jsonpath='{.status.phase}')
            echo "Pod status: ${POD_STATUS}"
            if [ "${POD_STATUS}" == "Running" ]; then
              echo "Verified BeeGFS FS pod is running."
              break
            else
              echo "Pod is not running, waiting for ${SLEEP_TIME} seconds..."
              sleep ${SLEEP_TIME}
              COUNTER=$((COUNTER+1))
            fi
          done

          if [ $COUNTER -eq $MAX_ATTEMPTS ]; then
            echo "BeeGFS FS pod did not reach 'Running' status within the maximum allowed time. Outputting debug information and exiting with error..."
            kubectl get pods -A
            kubectl describe pod beegfs-fs-2-0
            docker images
            exit 1
          fi

          # Adapted from https://minikube.sigs.k8s.io/docs/handbook/accessing/
          # Exposes the service directly to the host operating system. 
          # This is required to mount BeeGFS since the kernel module is outside the container.
          # For some reason we don't need to override the ephemeral port and can use the actual 800* ports.
          minikube service beegfs-fs-2-svc

      # TODO: Cache BeeGFS packages https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows
      # https://stackoverflow.com/questions/59269850/caching-apt-packages-in-github-actions-workflow
      - name: Install the BeeGFS ${{ matrix.beegfs-version }} DKMS client
        run: |
          sudo wget -P /etc/apt/sources.list.d/. https://www.beegfs.io/release/beegfs_${{ matrix.beegfs-version }}/dists/beegfs-focal.list
          sudo wget -q https://www.beegfs.io/release/beegfs_${{ matrix.beegfs-version }}/gpg/GPG-KEY-beegfs -O- | sudo apt-key add -
          sudo apt-get update && sudo apt-get install beegfs-client-dkms beegfs-helperd beegfs-utils -y
          sudo sed -i 's/connDisableAuthentication = false/connDisableAuthentication = true/' /etc/beegfs/beegfs-helperd.conf
          sudo systemctl start beegfs-helperd && sudo systemctl enable beegfs-helperd

      - name: Install BeeGFS ${{ matrix.beegfs-version }} beegfs-ctl tool into the Minikube container
        run: |
          minikube ssh "sudo apt-get update"
          minikube ssh "sudo apt-get install wget -y"
          minikube ssh "sudo wget -q https://www.beegfs.io/release/beegfs_${{ matrix.beegfs-version }}/gpg/GPG-KEY-beegfs -O- | sudo apt-key add -"
          minikube ssh "sudo wget -P /etc/apt/sources.list.d/ https://www.beegfs.io/release/beegfs_${{ matrix.beegfs-version }}/dists/beegfs-focal.list"
          minikube ssh "sudo apt-get update"
          minikube ssh "sudo apt-get install beegfs-utils -y"

      - name: Use operator-sdk to create a pod to serve the bundle to OLM via subscription
        run: |
          operator-sdk run bundle ${{ env.OPERATOR_TEST_BUNDLE_NAME }}:${{ github.sha }}

      # TODO (https://github.com/ThinkParQ/beegfs-csi-driver/issues/21): Actually run e2e tests using Ginko with an appropriate timeout.

      - name: Deploy a BeeGFSDriver object
        run: |
          export CSI_IMAGE_NAME=$(echo ${{ env.TEST_IMAGE_NAME }})
          export CSI_IMAGE_TAG=$(echo ${{ github.sha }})
          export BEEGFS_SECRET=$(echo ${{ secrets.CONN_AUTH_BASE64_SECRET }})
          export BEEGFS_MGMTD=$(kubectl get nodes -o=jsonpath='{.items[0].status.addresses[?(@.type=="InternalIP")].address}')
          envsubst < test/env/beegfs-ubuntu/csi-beegfs-cr.yaml | kubectl apply -f -

      - name: Deploy all examples to verify the driver is available
        run: |
          minikube ssh "sudo echo ${{ secrets.CONN_AUTH_BASE64_SECRET }} | base64 --decode | sudo tee /etc/beegfs/connAuth > /dev/null"
          minikube ssh "sudo sed -i '0,/connAuthFile[[:space:]]*=[[:space:]]*/s//connAuthFile = \/etc\/beegfs\/connAuth/' /etc/beegfs/beegfs-client.conf"
          minikube ssh "sudo sed -i '0,/sysMgmtdHost[[:space:]]*=[[:space:]]*/s//sysMgmtdHost = localhost/' /etc/beegfs/beegfs-client.conf"
          minikube ssh "sudo beegfs-ctl --cfgFile=/etc/beegfs/beegfs-client.conf --unmounted --createdir /k8s"
          minikube ssh "sudo beegfs-ctl --cfgFile=/etc/beegfs/beegfs-client.conf --unmounted --createdir /k8s/all"
          minikube ssh "sudo beegfs-ctl --cfgFile=/etc/beegfs/beegfs-client.conf --unmounted --createdir /k8s/all/static"
          minikube ssh "sudo beegfs-ctl --cfgFile=/etc/beegfs/beegfs-client.conf --unmounted --createdir /k8s/all/static-ro"
          export BEEGFS_MGMTD=$(kubectl get nodes -o=jsonpath='{.items[0].status.addresses[?(@.type=="InternalIP")].address}')
          for file in examples/k8s/all/*; do sed -i 's/localhost/'"${BEEGFS_MGMTD}"'/g' "$file"; done
          kubectl apply -f examples/k8s/all

      # If the controller or node service failed to start, our test pod would still be in phase pending.
      # We'll check periodically if the pod has started and if we reach the max number of attempts fail with debug output.
      - name: Wait and verify the test pod is running
        run: |
          MAX_ATTEMPTS=36
          SLEEP_TIME=5
          COUNTER=0

          while [ $COUNTER -lt $MAX_ATTEMPTS ]; do
            POD_STATUS=$(kubectl get pods csi-beegfs-all-app -o jsonpath='{.status.phase}')
            echo "Pod status: ${POD_STATUS}"
            if [ "${POD_STATUS}" == "Running" ]; then
              echo "Verified test pod is running."
              break
            else
              echo "Pod is not running, waiting for ${SLEEP_TIME} seconds..."
              sleep ${SLEEP_TIME}
              COUNTER=$((COUNTER+1))
            fi
          done

          if [ $COUNTER -eq $MAX_ATTEMPTS ]; then
            echo "Test pod did not reach 'Running' status within the maximum allowed time. Outputting debug information and exiting with error..."
            kubectl get pods -A
            kubectl describe pod csi-beegfs-controller-0
            POD_NAME=$(kubectl get pods -o jsonpath='{range .items[*]}{.metadata.name}{"\n"}{end}' | grep 'csi-beegfs-node-')
            kubectl describe pod $POD_NAME
            kubectl describe pod csi-beegfs-all-app
            docker images
            exit 1
          fi

  publish-images:
    runs-on: ubuntu-22.04
    timeout-minutes: 5
    # We only run e2e tests for PRs and we only publish-images when we aren't on a PR.
    # This means publish-images has to be wired to build-and-unit-test otherwise it will always get skipped.
    needs: [build-and-unit-test]
    if: github.event_name != 'pull_request'
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Install Cosign
        uses: sigstore/cosign-installer@v3.1.1
        with:
          cosign-release: "v2.1.1"

      - name: Log in to the GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Pull tested CSI driver image from ghcr.io
        run: |
          docker pull ${{ env.TEST_IMAGE_NAME }}:${{ github.sha }}

      # This uses the semantic versioning option for https://github.com/docker/metadata-action#semver
      - name: Extract metadata for CSI driver container image
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}},prefix=v
            type=semver,pattern={{major}}.{{minor}},prefix=v

      # TODO: Consider adding labels available as steps.meta.output.labels.
      - name: Tag and push the CSI driver image to GitHub Container Registry
        run: |
          tags=$(echo "${{ steps.meta.outputs.tags }}" | tr '\n' ' ')
          for tag in $tags; do
            docker tag ${{ env.TEST_IMAGE_NAME }}:${{ github.sha }} $tag
            docker push $tag
          done

      # Adapted from:
      # https://github.blog/2021-12-06-safeguard-container-signing-capability-actions/
      # https://github.com/sigstore/cosign-installer#usage
      - name: Sign CSI driver image with Cosign
        run: |
          tags=$(echo "${{ steps.meta.outputs.tags }}" | tr '\n' ' ')
          for tag in $tags; do
            DIGEST=$(docker image inspect $tag --format '{{index .RepoDigests 0}}')
            cosign sign --yes --key env://COSIGN_PRIVATE_KEY \
            -a "repo=${{ github.repository }}" \
            -a "run=${{ github.run_id }}" \
            -a "ref=${{ github.sha }}" \
            $DIGEST
          done
        env:
          COSIGN_PRIVATE_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}

      - name: Pull tested operator image from ghcr.io
        run: |
          docker pull ${{ env.OPERATOR_TEST_IMAGE_NAME }}:${{ github.sha }}

      # This uses the semantic versioning option for https://github.com/docker/metadata-action#semver
      - name: Extract metadata for published operator container image
        id: meta-operator
        uses: docker/metadata-action@v4
        with:
          images: |
            ${{ env.OPERATOR_IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}},prefix=v
            type=semver,pattern={{major}}.{{minor}},prefix=v

      # TODO: Consider adding labels available as steps.meta-operator.output.labels.
      - name: Tag and push the operator image to GitHub Container Registry
        run: |
          tags=$(echo "${{ steps.meta-operator.outputs.tags }}" | tr '\n' ' ')
          for tag in $tags; do
            docker tag ${{ env.OPERATOR_TEST_IMAGE_NAME }}:${{ github.sha }} $tag
            docker push $tag
          done

      # Adapted from:
      # https://github.blog/2021-12-06-safeguard-container-signing-capability-actions/
      # https://github.com/sigstore/cosign-installer#usage
      - name: Sign operator image with Cosign
        run: |
          tags=$(echo "${{ steps.meta-operator.outputs.tags }}" | tr '\n' ' ')
          for tag in $tags; do
            DIGEST=$(docker image inspect $tag --format '{{index .RepoDigests 0}}')
            cosign sign --yes --key env://COSIGN_PRIVATE_KEY \
            -a "repo=${{ github.repository }}" \
            -a "run=${{ github.run_id }}" \
            -a "ref=${{ github.sha }}" \
            $DIGEST
          done
        env:
          COSIGN_PRIVATE_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}

  # We'll keep around a few old test packages to (a) avoid deleting image for workflows running in parallel,
  # and (b) it may be useful to pull a package to troubleshoot workflow failures.
  cleanup-test-images:
    runs-on: ubuntu-22.04
    timeout-minutes: 3
    needs: [publish-images, e2e-tests, operator-e2e-tests]
    if: always()
    steps:
      - name: Extract CSI driver test package name
        run: |
          test_image_name="${{ env.TEST_IMAGE_NAME }}"
          test_image_pkg=${test_image_name##*/}
          echo "TEST_IMAGE_PKG=$test_image_pkg" >> $GITHUB_ENV

      - name: Cleanup old ${{ env.TEST_IMAGE_PKG }} packages
        uses: actions/delete-package-versions@v4
        with:
          package-name: "${{ env.TEST_IMAGE_PKG }}"
          package-type: "container"
          min-versions-to-keep: 5

      - name: Extract operator test package names
        run: |
          operator_test_image_name="${{ env.OPERATOR_TEST_IMAGE_NAME }}"
          operator_test_image_pkg=${operator_test_image_name##*/}
          echo "OPERATOR_TEST_IMAGE_PKG=$operator_test_image_pkg" >> $GITHUB_ENV

          operator_test_bundle_name="${{ env.OPERATOR_TEST_IMAGE_NAME }}"
          operator_test_bundle_pkg=${operator_test_bundle_name##*/}
          echo "OPERATOR_TEST_BUNDLE_PKG=$operator_test_bundle_pkg" >> $GITHUB_ENV

      - name: Cleanup old ${{ env.OPERATOR_TEST_IMAGE_PKG }} packages
        uses: actions/delete-package-versions@v4
        with:
          package-name: "${{ env.OPERATOR_TEST_IMAGE_PKG }}"
          package-type: "container"
          min-versions-to-keep: 5

      - name: Cleanup old ${{ env.OPERATOR_TEST_BUNDLE_PKG }} packages
        uses: actions/delete-package-versions@v4
        with:
          package-name: "${{ env.OPERATOR_TEST_BUNDLE_PKG }}"
          package-type: "container"
          min-versions-to-keep: 5