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 read actions state with catchpoint/workflow-telemetry-action
  actions: read
  # 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
  # To be able to request the JWT from GitHub's OIDC provider
  id-token: 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:
  # renovate: datasource=github-releases depName=eksctl-io/eksctl
  eksctl_version: v0.183.0
  # renovate: datasource=github-releases depName=kubernetes/kubernetes
  kubectl_version: v1.30.2

jobs:
  echo-inputs:
    if: ${{ github.event_name == 'workflow_dispatch' }}
    name: Echo Workflow Dispatch Inputs
    runs-on: ubuntu-22.04
    steps:
      - name: Echo Workflow Dispatch Inputs
        run: |
          echo '${{ tojson(inputs) }}'

  commit-status-start:
    name: Commit Status Start
    runs-on: ubuntu-latest
    steps:
      - name: Set initial commit status
        uses: myrotvorets/set-commit-status-action@3730c0a348a2ace3c110851bed53331bc6406e9f # v2.0.1
        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@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        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
        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

      # We use latest eksctl just to fetch recent supported versions.
      # We don't use that eksctl to create cluster.
      # Eksctl has hardcoded list of supported versions in the binary.
      # This is hack until https://github.com/aws/containers-roadmap/issues/982 is resolved.
      - name: Install eksctl CLI
        run: |
          curl -LO "https://github.com/eksctl-io/eksctl/releases/latest/download/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: Filter Matrix
        id: set-matrix
        run: |
          cp /tmp/matrix.json /tmp/result.json
          jq -c '.include[]' /tmp/matrix.json | while read i; do
            VERSION=$(echo $i | jq -r '.version')
            eksctl version -o json | jq -r '.EKSServerSupportedVersions[]' > /tmp/output
            if grep -q -F $VERSION /tmp/output; then
              echo "Version $VERSION is supported"
            else
              echo "::notice::Removing version $VERSION as it's not supported"
              jq 'del(.include[] | select(.version == "'$VERSION'"))' /tmp/result.json > /tmp/result.json.tmp
              mv /tmp/result.json.tmp /tmp/result.json
            fi
          done
          echo "Filtered matrix:"
          cat /tmp/result.json
          echo "matrix=$(jq -c . < /tmp/result.json)" >> $GITHUB_OUTPUT

  installation-and-connectivity:
    name: Installation and Connectivity Test
    needs: generate-matrix
    runs-on: ubuntu-latest
    timeout-minutes: 90
    env:
      job_name: "Installation and Connectivity Test"
    strategy:
      fail-fast: false
      matrix: ${{fromJson(needs.generate-matrix.outputs.matrix)}}

    steps:
      - name: Collect Workflow Telemetry
        uses: catchpoint/workflow-telemetry-action@94c3c3d9567a0205de6da68a76c428ce4e769af1 # v2.0.0
        with:
          comment_on_pr: false

      - name: Checkout context ref (trusted)
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        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 }}
          chart-dir: ./untrusted/install/kubernetes/cilium

      - 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="${{ steps.default_vars.outputs.cilium_install_defaults }} \
            --helm-set=cluster.name=${{ 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"
          if [[ "${{ matrix.ipsec }}" == "true" ]]; then
            CILIUM_INSTALL_DEFAULTS+=" --helm-set encryption.enabled=true --helm-set encryption.type=ipsec"
          fi
          if [[ "${{ matrix.kpr }}" == "true" ]]; then
            CILIUM_INSTALL_DEFAULTS+=" --helm-set kubeProxyReplacement=true"
          fi

          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@511f0173c21db1c3c959b96fd68eef18f83a0a9f # v0.16.10
        with:
          repository: ${{ env.CILIUM_CLI_RELEASE_REPO }}
          release-version: ${{ env.CILIUM_CLI_VERSION }}
          ci-version: ${{ env.cilium_cli_ci_version }}
          binary-name: cilium-cli
          binary-dir: ./

      - 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@e3dd6a429d7300a6a4c196c26e071d42e0343502 # v4.0.2
        with:
          role-to-assume: ${{ secrets.AWS_PR_ASSUME_ROLE }}
          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: false

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

      - 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

      - name: Make sure images available from cluster
        run: |
          kubectl create -f - <<EOF
          apiVersion: batch/v1
          kind: Job
          metadata:
            name: wait-for-images
          spec:
            completions: 1
            backoffLimit: 3
            template:
              spec:
                containers:
                - name: wait-for-images
                  image: quay.io/${{ env.QUAY_ORGANIZATION_DEV }}/cilium-ci:${{ steps.vars.outputs.sha }}
                  command: ["true"]
                tolerations:
                - key: "node.cilium.io/agent-not-ready"
                  operator: "Equal"
                  value: "true"
                  effect: "NoExecute"
                restartPolicy: Never
          EOF

          kubectl wait --for=condition=complete --timeout=10m job/wait-for-images

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

      # 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@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          ref: ${{ steps.vars.outputs.sha }}
          persist-credentials: false
          path: untrusted
          sparse-checkout: |
            install/kubernetes/cilium

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

      - name: Wait for Cilium to be ready
        run: |
          ./cilium-cli 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-cli 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-cli 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: Setup conn-disrupt-test before rotating (${{ join(matrix.*, ', ') }})
        if: ${{ matrix.ipsec == true }}
        uses: ./.github/actions/conn-disrupt-test-setup

      - name: Run IPsec key rotation tests (${{ join(matrix.*, ', ') }})
        if: ${{ matrix.ipsec == true }}
        uses: ./.github/actions/ipsec-key-rotate
        with:
          key-algo: "gcm(aes)"
          key-type-one: ""
          key-type-two: ""

      - name: Check conn-disrupt-test after rotating (${{ join(matrix.*, ', ') }})
        if: ${{ matrix.ipsec == true }}
        uses: ./.github/actions/conn-disrupt-test-check
        with:
          full-test: 'true'
          extra-connectivity-test-flags: ${{ steps.vars.outputs.connectivity_test_defaults }}

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

      - name: Upload artifacts
        if: ${{ !success() }}
        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
        with:
          name: cilium-sysdumps-${{ matrix.version }}
          path: cilium-sysdump-*.zip

      - name: Upload JUnits [junit]
        if: ${{ always() }}
        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
        with:
          name: cilium-junits-${{ matrix.version }}
          path: cilium-junits/*.xml

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

  merge-upload:
    if: ${{ always() }}
    name: Merge and Upload Artifacts
    runs-on: ubuntu-latest
    needs: installation-and-connectivity
    steps:
      - name: Merge Sysdumps
        if: ${{ needs.installation-and-connectivity.result == 'failure' }}
        uses: actions/upload-artifact/merge@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
        with:
          name: cilium-sysdumps
          pattern: cilium-sysdumps-*
          retention-days: 5
          delete-merged: true
        continue-on-error: true
      - name: Merge JUnits
        uses: actions/upload-artifact/merge@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
        with:
          name: cilium-junits
          pattern: cilium-junits-*
          retention-days: 5
          delete-merged: true

  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@3730c0a348a2ace3c110851bed53331bc6406e9f # v2.0.1
        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@e3dd6a429d7300a6a4c196c26e071d42e0343502 # v4.0.2
        with:
          role-to-assume: ${{ secrets.AWS_PR_ASSUME_ROLE }}
          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