conformance-eks.yaml

name: Conformance EKS (ci-eks)

# Any change in triggers needs to be reflected in the concurrency group.
on:
  workflow_dispatch:
    inputs:
      PR-number:
        description: "Pull request number."
        required: true
      context-ref:
        description: "Context in which the workflow runs. If PR is from a fork, will be the PR target branch (general case). If PR is NOT from a fork, will be the PR branch itself (this allows committers to test changes to workflows directly from PRs)."
        required: true
      SHA:
        description: "SHA under test (head of the PR branch)."
        required: true
      extra-args:
        description: "[JSON object] Arbitrary arguments passed from the trigger comment via regex capture group. Parse with 'fromJson(inputs.extra-args).argName' in workflow."
        required: false
        default: '{}'
  # Run every 6 hours
  schedule:
    - cron:  '0 1/6 * * *'

# By specifying the access of one of the scopes, all of those that are not
# specified are set to 'none'.
permissions:
  # To be able to access the repository with actions/checkout
  contents: read
  # To allow retrieving information from the PR API
  pull-requests: read
  # To be able to set commit status
  statuses: write

concurrency:
  # Structure:
  # - Workflow name
  # - Event type
  # - A unique identifier depending on event type:
  #   - schedule: SHA
  #   - workflow_dispatch: PR number
  #
  # This structure ensures a unique concurrency group name is generated for each
  # type of testing, such that re-runs will cancel the previous run.
  group: |
    ${{ github.workflow }}
    ${{ github.event_name }}
    ${{
      (github.event_name == 'schedule' && github.sha) ||
      (github.event_name == 'workflow_dispatch' && github.event.inputs.PR-number)
    }}
  cancel-in-progress: true

env:
  clusterName: ${{ github.repository_owner }}-${{ github.event.repository.name }}-${{ github.run_id }}-${{ github.run_attempt }}
  cilium_cli_ci_version:
  CILIUM_CLI_MODE: helm
  check_url: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
  # renovate: datasource=github-releases depName=eksctl-io/eksctl
  eksctl_version: v0.165.0
  # renovate: datasource=github-releases depName=kubernetes/kubernetes
  kubectl_version: v1.29.0-rc.1

jobs:
  commit-status-start:
    name: Commit Status Start
    runs-on: ubuntu-latest
    steps:
      - name: Set initial commit status
        uses: myrotvorets/set-commit-status-action@38f3f27c7d52fb381273e95542f07f0fba301307 # v2.0.0  
        with:
          sha: ${{ inputs.SHA || github.sha }}

  generate-matrix:
    name: Generate Matrix
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Checkout context ref (trusted)
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          ref: ${{ inputs.context-ref || github.sha }}
          persist-credentials: false

      - name: Convert YAML to JSON
        run: |
          work_dir=".github/actions/aws"
          destination_directory="/tmp/generated/aws"
          mkdir -p "${destination_directory}"

          yq -o=json "${work_dir}/k8s-versions.yaml" | jq . > "${destination_directory}/aws.json"

      - name: Generate Matrix
        id: set-matrix
        run: |
          cd /tmp/generated/aws

          # Use complete matrix in case of scheduled run
          # main -> event_name = schedule
          # other stable branches -> PR-number starting with v (e.g. v1.14)
          if [[ "${{ github.event_name }}" == "schedule" || "${{ inputs.PR-number }}" == v* ]];then
            cp aws.json /tmp/matrix.json
          else
            jq '{ "include": [ .include[] | select(.default) ] }' aws.json > /tmp/matrix.json
          fi

          echo "Generated matrix:"
          cat /tmp/matrix.json
          echo "matrix=$(jq -c . < /tmp/matrix.json)" >> $GITHUB_OUTPUT

  installation-and-connectivity:
    name: Installation and Connectivity Test
    needs: generate-matrix
    runs-on: ubuntu-latest
    timeout-minutes: 75
    env:
      job_name: "Installation and Connectivity Test"
    strategy:
      fail-fast: false
      matrix: ${{fromJson(needs.generate-matrix.outputs.matrix)}}

    steps:
      - name: Checkout context ref (trusted)
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          ref: ${{ inputs.context-ref || github.sha }}
          persist-credentials: false

      - name: Set Environment Variables
        uses: ./.github/actions/set-env-variables

      - name: Get Cilium's default values
        id: default_vars
        uses: ./.github/actions/helm-default
        with:
          image-tag: ${{ inputs.SHA }}

      - name: Set up job variables
        id: vars
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            OWNER="${{ inputs.PR-number }}"
          else
            OWNER="${{ github.ref_name }}"
            OWNER="${OWNER/./-}"
          fi

          CILIUM_INSTALL_DEFAULTS="${{ steps.default_vars.outputs.cilium_install_defaults }} \
            --cluster-name=${{ env.clusterName }} \
            --helm-set=hubble.relay.enabled=true \
            --helm-set loadBalancer.l7.backend=envoy \
            --helm-set tls.secretsBackend=k8s \
            --helm-set=bpf.monitorAggregation=none \
            --wait=false"

          CONNECTIVITY_TEST_DEFAULTS="--flow-validation=disabled --hubble=false --collect-sysdump-on-failure \
            --external-target amazon.com"
          echo cilium_install_defaults=${CILIUM_INSTALL_DEFAULTS} >> $GITHUB_OUTPUT
          echo connectivity_test_defaults=${CONNECTIVITY_TEST_DEFAULTS} >> $GITHUB_OUTPUT
          echo sha=${{ steps.default_vars.outputs.sha }} >> $GITHUB_OUTPUT
          echo owner=${OWNER} >> $GITHUB_OUTPUT

      - name: Install Cilium CLI
        uses: cilium/cilium-cli@c1fa8afda634f0457e9905d4f638e5164c4e0fc8 # v0.15.17
        with:
          repository: ${{ env.CILIUM_CLI_RELEASE_REPO }}
          release-version: ${{ env.CILIUM_CLI_VERSION }}
          ci-version: ${{ env.cilium_cli_ci_version }}

      - name: Install kubectl
        run: |
          curl -sLO "https://dl.k8s.io/release/${{ env.kubectl_version }}/bin/linux/amd64/kubectl"
          curl -sLO "https://dl.k8s.io/${{ env.kubectl_version }}/bin/linux/amd64/kubectl.sha256"
          echo "$(cat kubectl.sha256)  kubectl" | sha256sum --check
          sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl
          kubectl version --client

      - name: Install eksctl CLI
        run: |
          curl -LO "https://github.com/eksctl-io/eksctl/releases/download/${{ env.eksctl_version }}/eksctl_$(uname -s)_amd64.tar.gz"
          sudo tar xzvfC eksctl_$(uname -s)_amd64.tar.gz /usr/bin
          rm eksctl_$(uname -s)_amd64.tar.gz

      - name: Set up AWS CLI credentials
        uses: aws-actions/configure-aws-credentials@010d0da01d0b5a38af31e9c3470dbfdabdecca3a # v4.0.1
        with:
          aws-access-key-id: ${{ secrets.AWS_PR_SA_ID }}
          aws-secret-access-key: ${{ secrets.AWS_PR_SA_KEY }}
          aws-region: ${{ matrix.region }}

      - name: Create EKS cluster
        uses: ./.github/actions/setup-eks-cluster
        with:
          cluster_name: ${{ env.clusterName }}
          region: ${{ matrix.region }}
          owner: "${{ steps.vars.outputs.owner }}"
          version: ${{ matrix.version }}
          spot: ${{ github.event_name != 'schedule' }}

      # This is a workaround for flake #16938.
      - name: Remove AWS-CNI
        run: |
          kubectl -n kube-system delete daemonset aws-node

      - name: Wait for images to be available
        timeout-minutes: 30
        shell: bash
        run: |
          for image in cilium-ci operator-aws-ci hubble-relay-ci ; do
            until docker manifest inspect quay.io/${{ env.QUAY_ORGANIZATION_DEV }}/$image:${{ steps.vars.outputs.sha }} &> /dev/null; do sleep 45s; done
          done

      # Warning: since this is a privileged workflow, subsequent workflow job
      # steps must take care not to execute untrusted code.
      - name: Checkout pull request branch (NOT TRUSTED)
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          ref: ${{ steps.vars.outputs.sha }}
          persist-credentials: false

      - name: Install Cilium
        id: install-cilium
        run: |
          cilium install ${{ steps.vars.outputs.cilium_install_defaults }}

      - name: Wait for Cilium to be ready
        run: |
          cilium status --wait --wait-duration=10m
          kubectl get pods -n kube-system

      - name: Check that AWS leftover iptables chains have been removed
        run: |
          for pod in $(kubectl get po -n kube-system -l app.kubernetes.io/name=cilium-agent -o name); do
            echo "Checking ${pod}"
            if kubectl exec -n kube-system  ${pod} -c cilium-agent -- iptables-save | grep --silent ':AWS'; then
              echo "Unexpected AWS leftover iptables chains"
              kubectl exec -n kube-system ds/cilium -- iptables-save | grep ':AWS'
              exit 1
            fi
          done

      - name: Port forward Relay
        run: |
          cilium hubble port-forward&
          sleep 10s
          [[ $(pgrep -f "cilium.*hubble.*port-forward|kubectl.*port-forward.*hubble-relay" | wc -l) == 2 ]]

      - name: Make JUnit report directory
        run: |
          mkdir -p cilium-junits

      - name: Run connectivity test (${{ join(matrix.*, ', ') }})
        run: |
          cilium connectivity test ${{ steps.vars.outputs.connectivity_test_defaults }} \
          --junit-file "cilium-junits/${{ env.job_name }} (${{ join(matrix.*, ', ') }}) - 1.xml" \
          --junit-property github_job_step="Run connectivity test (${{ join(matrix.*, ', ') }})"

      - name: Clean up Cilium
        run: |
          pkill -f "cilium.*hubble.*port-forward|kubectl.*port-forward.*hubble-relay" || test $? -eq 1
          cilium uninstall --wait

      - name: Create custom IPsec secret
        run: |
          kubectl create -n kube-system secret generic cilium-ipsec-keys --from-literal=keys="15 rfc4106(gcm(aes)) $(echo $(dd if=/dev/urandom count=20 bs=1 2> /dev/null | xxd -p -c 64)) 128"

      - name: Install Cilium with encryption
        run: |
          cilium install ${{ steps.vars.outputs.cilium_install_defaults }} \
            --helm-set encryption.enabled=true \
            --helm-set encryption.type=ipsec

      - name: Wait for Cilium to be ready
        run: |
          cilium status --wait --wait-duration=10m
          kubectl get pods -n kube-system

      - name: Port forward Relay
        run: |
          cilium hubble port-forward&
          sleep 10s
          [[ $(pgrep -f "cilium.*hubble.*port-forward|kubectl.*port-forward.*hubble-relay" | wc -l) == 2 ]]

      - name: Run connectivity test with IPSec (${{ join(matrix.*, ', ') }})
        run: |
          cilium connectivity test ${{ steps.vars.outputs.connectivity_test_defaults }} --force-deploy \
          --junit-file "cilium-junits/${{ env.job_name }} (${{ join(matrix.*, ', ') }}) - 2.xml" \
          --junit-property github_job_step="Run connectivity test with IPSec (${{ join(matrix.*, ', ') }})"

      - name: Post-test information gathering
        if: ${{ !success() && steps.install-cilium.outcome != 'skipped' }}
        run: |
          kubectl get pods --all-namespaces -o wide
          cilium status
          cilium sysdump --output-filename cilium-sysdump-final-${{ join(matrix.*, '-') }}
        shell: bash {0} # Disable default fail-fast behaviour so that all commands run independently

      - name: Upload artifacts
        if: ${{ !success() }}
        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
        with:
          name: cilium-sysdumps
          path: cilium-sysdump-*.zip
          retention-days: 5

      - name: Upload JUnits [junit]
        if: ${{ always() }}
        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
        with:
          name: cilium-junits
          path: cilium-junits/*.xml
          retention-days: 5

      - name: Publish Test Results As GitHub Summary
        if: ${{ always() }}
        uses: aanm/junit2md@332ebf0fddd34e91b03a832cfafaa826306558f9 # v0.0.3
        with:
          junit-directory: "cilium-junits"

  commit-status-final:
    if: ${{ always() }}
    name: Commit Status Final
    needs: installation-and-connectivity
    runs-on: ubuntu-latest
    steps:
      - name: Set final commit status
        uses: myrotvorets/set-commit-status-action@38f3f27c7d52fb381273e95542f07f0fba301307 # v2.0.0  
        with:
          sha: ${{ inputs.SHA || github.sha }}
          status: ${{ needs.installation-and-connectivity.result }}

  cleanup:
    name: Cleanup EKS Clusters
    if: ${{ always() }}
    continue-on-error: true
    needs: [generate-matrix, installation-and-connectivity]
    runs-on: ubuntu-latest
    timeout-minutes: 30
    strategy:
      fail-fast: false
      matrix: ${{fromJson(needs.generate-matrix.outputs.matrix)}}

    steps:
      - name: Install eksctl CLI
        run: |
          curl -LO "https://github.com/eksctl-io/eksctl/releases/download/${{ env.eksctl_version }}/eksctl_$(uname -s)_amd64.tar.gz"
          sudo tar xzvfC eksctl_$(uname -s)_amd64.tar.gz /usr/bin
          rm eksctl_$(uname -s)_amd64.tar.gz

      - name: Set up AWS CLI credentials
        uses: aws-actions/configure-aws-credentials@010d0da01d0b5a38af31e9c3470dbfdabdecca3a # v4.0.1
        with:
          aws-access-key-id: ${{ secrets.AWS_PR_SA_ID }}
          aws-secret-access-key: ${{ secrets.AWS_PR_SA_KEY }}
          aws-region: ${{ matrix.region }}

      - name: Clean up EKS
        run: |
          eksctl delete cluster --name ${{ env.clusterName }} --region ${{ matrix.region }}
        shell: bash {0} # Disable default fail-fast behaviour so that all commands run independently