tests-e2e-upgrade.yaml

name: Cilium E2E Upgrade (ci-e2e-upgrade)

# 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: '{}'
  push:
    branches:
      - 'renovate/main-**'
  # Run every 8 hours
  schedule:
    - cron:  '0 5/8 * * *'

# 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

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 == 'push' && github.sha) ||
      (github.event_name == 'schedule' && github.sha) ||
      (github.event_name == 'workflow_dispatch' && github.event.inputs.PR-number)
    }}
  cancel-in-progress: true

env:
  test_concurrency: 5

jobs:
  echo-inputs:
    if: ${{ github.event_name == 'workflow_dispatch' }}
    name: Echo Workflow Dispatch Inputs
    runs-on: ubuntu-24.04
    steps:
      - name: Echo Workflow Dispatch Inputs
        run: |
          echo '${{ 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 }}

  wait-for-images:
    name: Wait for images
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - name: Checkout context ref (trusted)
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          ref: ${{ inputs.context-ref || github.sha }}
          persist-credentials: false
      - name: Wait for images
        uses: ./.github/actions/wait-for-images
        with:
          SHA: ${{ inputs.SHA }}

  setup-and-test:
    needs: [wait-for-images]
    runs-on: ${{ vars.GH_RUNNER_EXTRA_POWER_UBUNTU_LATEST || 'ubuntu-latest' }}
    name: 'Setup & Test'
    env:
      job_name: 'Setup & Test'
    strategy:
      fail-fast: false
      max-parallel: 25
      matrix:
        include:
          - name: '1'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'rhel8.6-20241031.113911'
            kube-proxy: 'iptables'
            kpr: 'false'
            tunnel: 'vxlan'
            host-fw: 'true'

          - name: '2'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '5.4-20241104.124130'
            kube-proxy: 'iptables'
            kpr: 'false'
            tunnel: 'disabled'
            host-fw: 'true'

          - name: '3'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '5.10-20241104.124130'
            kube-proxy: 'iptables'
            kpr: 'false'
            tunnel: 'disabled'
            endpoint-routes: 'true'

          - name: '4'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '5.10-20241104.124130'
            kube-proxy: 'iptables'
            kpr: 'true'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            tunnel: 'vxlan'
            lb-mode: 'snat'
            endpoint-routes: 'true'
            egress-gateway: 'true'

          - name: '5'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '5.15-20241104.124130'
            kube-proxy: 'iptables'
            kpr: 'true'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            tunnel: 'disabled'
            lb-mode: 'dsr'
            endpoint-routes: 'true'
            egress-gateway: 'true'
            host-fw: 'false' # enabling breaks downgrading (missed tail calls)

          - name: '6'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '6.1-20241104.124130'
            kube-proxy: 'none'
            kpr: 'true'
            devices: '{eth0,eth1}'
            tunnel: 'vxlan'
            lb-mode: 'snat'
            egress-gateway: 'true'
            host-fw: 'true'
            lb-acceleration: 'testing-only'
            ingress-controller: 'true'
            bgp-control-plane: 'true'

          - name: '7'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-next-20241105.013305'
            kube-proxy: 'none'
            kpr: 'true'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            tunnel: 'disabled'
            lb-mode: 'snat'
            egress-gateway: 'true'
            lb-acceleration: 'testing-only'
            ingress-controller: 'true'
            local-redirect-policy: 'true'
            node-local-dns: 'true'

          - name: '8'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-next-20241105.013305'
            kube-proxy: 'iptables'
            kpr: 'false'
            tunnel: 'geneve'
            endpoint-routes: 'true'
            misc: 'socketLB.enabled=false,nodePort.enabled=true,bpf.masquerade=true'
            local-redirect-policy: 'true'
            node-local-dns: 'true'

          - name: '9'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '5.10-20241104.124130'
            kube-proxy: 'iptables'
            kpr: 'true'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            tunnel: 'vxlan'
            encryption: 'wireguard'
            encryption-node: 'false'
            lb-mode: 'snat'
            endpoint-routes: 'true'
            egress-gateway: 'true'

          - name: '10'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '5.15-20241104.124130'
            kube-proxy: 'iptables'
            kpr: 'false'
            tunnel: 'disabled'
            encryption: 'wireguard'
            encryption-node: 'false'
            encryption-strict-mode: 'true'
            misc: 'socketLB.enabled=true'
            local-redirect-policy: 'true'
            node-local-dns: 'true'

          - name: '11'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '6.1-20241104.124130'
            kube-proxy: 'none'
            kpr: 'true'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            tunnel: 'vxlan'
            encryption: 'wireguard'
            encryption-node: 'true'
            lb-mode: 'snat'
            egress-gateway: 'true'
            ingress-controller: 'true'
            misc: 'socketLB.hostNamespaceOnly=true'
            local-redirect-policy: 'true'
            node-local-dns: 'true'

          - name: '12'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-next-20241105.013305'
            kube-proxy: 'none'
            kpr: 'true'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            tunnel: 'disabled'
            encryption: 'wireguard'
            encryption-node: 'true'
            encryption-strict-mode: 'true'
            lb-mode: 'snat'
            egress-gateway: 'true'
            ingress-controller: 'true'

          - name: '13'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'rhel8.6-20241031.113911'
            kube-proxy: 'iptables'
            kpr: 'false'
            tunnel: 'vxlan'
            misc: 'policyCIDRMatchMode=nodes'

          - name: '14'
            # Switch to 5.15 until https://github.com/cilium/cilium/issues/27642
            # has been resolved. https://github.com/cilium/cilium/pull/30837#issuecomment-1960897445
            # explains why 5.4 might cause north-south-loadbalancing tests to
            # fail.
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '5.15-20241104.124130'
            kube-proxy: 'iptables'
            kpr: 'true'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            tunnel: 'vxlan'
            lb-mode: 'snat'
            egress-gateway: 'true'
            lb-acceleration: 'testing-only'
            ingress-controller: 'true'

          - name: '15'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-next-20241105.013305'
            kube-proxy: 'none'
            kpr: 'true'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            tunnel: 'disabled'
            ingress-controller: 'true'
            # Disable bpf.tproxy=true until https://github.com/cilium/cilium/issues/31918
            # has been resolved.
            misc: 'bpfClockProbe=false,cni.uninstall=false'
            ciliumendpointslice: 'true'

          - name: '16'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: '5.15-20241104.124130'
            kube-proxy: 'none'
            kpr: 'true'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            tunnel: 'vxlan'
            lb-mode: 'snat'
            encryption: 'wireguard'
            encryption-node: 'false'
            host-fw: 'true'
            ciliumendpointslice: 'true'
            ingress-controller: 'true'

          - name: '17'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-20241105.013305'
            misc: 'bpf.datapathMode=netkit,bpf.masquerade=true,enableIPv4BIGTCP=true,enableIPv6BIGTCP=true'
            kube-proxy: 'none'
            kpr: 'true'
            ipv6: 'true'
            tunnel: 'disabled'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            ingress-controller: 'true'

          - name: '18'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-20241105.013305'
            misc: 'bpf.datapathMode=netkit-l2,bpf.masquerade=true,enableIPv4BIGTCP=true,enableIPv6BIGTCP=true'
            kube-proxy: 'none'
            kpr: 'true'
            ipv6: 'true'
            tunnel: 'disabled'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            ingress-controller: 'true'

          - name: '19'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-20241105.013305'
            misc: 'bpf.datapathMode=netkit,bpf.masquerade=true'
            kube-proxy: 'none'
            kpr: 'true'
            tunnel: 'vxlan'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            ingress-controller: 'true'

          - name: '20'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-20241105.013305'
            misc: 'bpf.datapathMode=netkit-l2,bpf.masquerade=true'
            kube-proxy: 'none'
            kpr: 'true'
            tunnel: 'vxlan'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            ingress-controller: 'true'

          - name: '21'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-20241105.013305'
            misc: 'bpf.datapathMode=netkit,bpf.masquerade=true'
            kube-proxy: 'none'
            kpr: 'true'
            tunnel: 'geneve'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            ingress-controller: 'true'

          - name: '22'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-20241105.013305'
            misc: 'bpf.datapathMode=netkit-l2,bpf.masquerade=true'
            kube-proxy: 'none'
            kpr: 'true'
            tunnel: 'geneve'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            ingress-controller: 'true'

          - name: '23'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-20241105.013305'
            misc: 'bpf.datapathMode=netkit,bpf.masquerade=true'
            kube-proxy: 'none'
            kpr: 'true'
            ipv6: 'true'
            tunnel: 'disabled'
            devices: '{eth0,eth1}'
            secondary-network: 'true'
            ingress-controller: 'true'
            host-fw: 'true'
            skip-upgrade: 'true'

          - name: '24'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-net-20241105.013305'
            misc: 'bpf.datapathMode=netkit,bpf.masquerade=true,enableIPv4BIGTCP=true,enableIPv6BIGTCP=true'
            kube-proxy: 'none'
            kpr: 'true'
            ipv6: 'true'
            tunnel: 'disabled'
            ciliumendpointslice: 'true'
            endpoint-routes: 'true'
            skip-upgrade: 'true'

          - name: '25'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
            kernel: 'bpf-net-20241105.013305'
            misc: 'bpf.datapathMode=netkit-l2,bpf.masquerade=true,enableIPv4BIGTCP=true,enableIPv6BIGTCP=true'
            kube-proxy: 'none'
            kpr: 'true'
            ipv6: 'true'
            tunnel: 'disabled'
            ciliumendpointslice: 'true'
            endpoint-routes: 'true'
            skip-upgrade: 'true'

          # Example of a feature that is being introduced, and we want to test
          # it without performing an upgrade, we use skip-upgrade: 'true'
          # - name: '23'
          #   # renovate: datasource=docker depName=quay.io/lvh-images/kind
          #   kernel: 'bpf-20241105.013305'
          #   misc: 'bpf.datapathMode=netkit-l2,bpf.masquerade=true'
          #   skip-upgrade: 'true'

    timeout-minutes: 55
    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@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          ref: ${{ inputs.context-ref || github.sha }}
          persist-credentials: false

      - name: Cleanup Disk space in runner
        if: runner.name == 'ubuntu-latest'
        uses: ./.github/actions/disk-cleanup

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

      - name: Set up job variables
        id: vars
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            SHA="${{ inputs.SHA }}"
          else
            SHA="${{ github.sha }}"
          fi
          echo sha=${SHA} >> $GITHUB_OUTPUT
          CILIUM_DOWNGRADE_VERSION=$(contrib/scripts/print-downgrade-version.sh stable)
          echo downgrade_version=${CILIUM_DOWNGRADE_VERSION} >> $GITHUB_OUTPUT

      - name: Derive stable Cilium installation config
        if: ${{ matrix.skip-upgrade != 'true' }}
        id: cilium-stable-config
        uses: ./.github/actions/cilium-config
        with:
          image-tag: ${{ steps.vars.outputs.downgrade_version }}
          chart-dir: './untrusted/cilium-downgrade/install/kubernetes/cilium/'
          tunnel: ${{ matrix.tunnel }}
          devices: ${{ matrix.devices }}
          endpoint-routes: ${{ matrix.endpoint-routes }}
          ipv6: ${{ matrix.ipv6 }}
          kpr: ${{ matrix.kpr }}
          lb-mode: ${{ matrix.lb-mode }}
          lb-acceleration: ${{ matrix.lb-acceleration }}
          encryption: ${{ matrix.encryption }}
          encryption-node: ${{ matrix.encryption-node }}
          encryption-strict-mode: ${{ matrix.encryption-strict-mode }}
          egress-gateway: ${{ matrix.egress-gateway }}
          host-fw: ${{ matrix.host-fw }}
          mutual-auth: false
          ingress-controller: ${{ matrix.ingress-controller }}
          misc: ${{ matrix.misc || 'bpfClockProbe=false,cni.uninstall=false' }}
          ciliumendpointslice: ${{ matrix.ciliumendpointslice }}
          local-redirect-policy: ${{ matrix.local-redirect-policy }}
          bgp-control-plane: ${{ matrix.bgp-control-plane }}

      - name: Derive newest Cilium installation config
        id: cilium-newest-config
        uses: ./.github/actions/cilium-config
        with:
          image-tag: ${{ steps.vars.outputs.sha }}
          chart-dir: './untrusted/cilium-newest/install/kubernetes/cilium'
          tunnel: ${{ matrix.tunnel }}
          devices: ${{ matrix.devices }}
          endpoint-routes: ${{ matrix.endpoint-routes }}
          ipv6: ${{ matrix.ipv6 }}
          kpr: ${{ matrix.kpr }}
          lb-mode: ${{ matrix.lb-mode }}
          lb-acceleration: ${{ matrix.lb-acceleration }}
          encryption: ${{ matrix.encryption }}
          encryption-node: ${{ matrix.encryption-node }}
          encryption-strict-mode: ${{ matrix.encryption-strict-mode }}
          egress-gateway: ${{ matrix.egress-gateway }}
          host-fw: ${{ matrix.host-fw }}
          mutual-auth: false
          ingress-controller: ${{ matrix.ingress-controller }}
          misc: ${{ matrix.misc || 'bpfClockProbe=false,cni.uninstall=false' }}
          ciliumendpointslice: ${{ matrix.ciliumendpointslice }}
          local-redirect-policy: ${{ matrix.local-redirect-policy }}
          bgp-control-plane: ${{ matrix.bgp-control-plane }}

      - name: Set Kind params
        id: kind-params
        shell: bash
        run: |
          IP_FAM="dual"
          if [ "${{ matrix.ipv6 }}" == "false" ]; then
            IP_FAM="ipv4"
          fi
          echo params="--xdp --secondary-network \"\" 3 \"\" \"\" ${{ matrix.kube-proxy }} $IP_FAM" >> $GITHUB_OUTPUT

      - name: Provision K8s on LVH VM
        uses: ./.github/actions/lvh-kind
        with:
          test-name: e2e-conformance
          kernel: ${{ matrix.kernel }}
          kind-params: "${{ steps.kind-params.outputs.params }}"
          kind-image: ${{ env.KIND_K8S_IMAGE }}

      - name: Install Cilium CLI
        uses: cilium/cilium-cli@3286926bbf80fdd0103a372256459e577224f9f6 # v0.16.20
        with:
          skip-build: ${{ env.CILIUM_CLI_SKIP_BUILD }}
          image-repo: ${{ env.CILIUM_CLI_IMAGE_REPO }}
          image-tag: ${{ steps.vars.outputs.sha }}

      # 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@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          ref: ${{ steps.vars.outputs.sha }}
          persist-credentials: false
          path: untrusted/cilium-newest
          sparse-checkout: |
            install/kubernetes/cilium
            examples

      - name: Checkout ${{ steps.vars.outputs.downgrade_version }} branch to get the Helm chart
        if: ${{ matrix.skip-upgrade != 'true' }}
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          ref: ${{ steps.vars.outputs.downgrade_version }}
          persist-credentials: false
          path: untrusted/cilium-downgrade
          sparse-checkout: |
            install/kubernetes/cilium

      - name: Install Cilium ${{ matrix.skip-upgrade == 'true' && 'from main' || steps.vars.outputs.downgrade_version }}
        shell: bash
        run: |
          kubectl patch node kind-worker3 --type=json -p='[{"op":"add","path":"/metadata/labels/cilium.io~1no-schedule","value":"true"}]'

          if ${{ matrix.skip-upgrade != 'true' }}; then
            cilium install ${{ steps.cilium-stable-config.outputs.config }}
          else
            cilium install ${{ steps.cilium-newest-config.outputs.config }}
          fi

          cilium status --wait
          kubectl get pods --all-namespaces -o wide
          kubectl -n kube-system exec daemonset/cilium -- cilium status

          mkdir -p cilium-junits

      - name: Install node local DNS
        if: ${{ matrix.node-local-dns == 'true' }}
        shell: bash
        run: |
          kubedns=$(kubectl get svc kube-dns -n kube-system -o jsonpath={.spec.clusterIP}) && sed -i "s/__PILLAR__DNS__SERVER__/$kubedns/g;" untrusted/cilium-newest/examples/kubernetes-local-redirect/node-local-dns.yaml
          sed -i "s/__PILLAR__UPSTREAM__SERVERS__/1.1.1.1/g;" untrusted/cilium-newest/examples/kubernetes-local-redirect/node-local-dns.yaml
          kubectl apply -k untrusted/cilium-newest/examples/kubernetes-local-redirect
          kubectl rollout status -n kube-system ds/node-local-dns

      - name: Start conn-disrupt-test
        shell: bash
        run: |
          # Create pods which establish long lived connections. It will be used by
          # subsequent connectivity tests with --include-conn-disrupt-test to catch any
          # interruption in such flows.
          cilium connectivity test --include-conn-disrupt-test --conn-disrupt-test-setup \
            --conn-disrupt-test-restarts-path "./cilium-conn-disrupt-restarts" \
            --conn-disrupt-dispatch-interval 0ms

      - name: Upgrade Cilium
        if: ${{ matrix.skip-upgrade != 'true' }}
        shell: bash
        run: |
          cilium upgrade \
            ${{ steps.cilium-newest-config.outputs.config }}

          cilium status --wait --wait-duration=10m
          kubectl get pods --all-namespaces -o wide
          kubectl -n kube-system exec daemonset/cilium -- cilium status

      - name: Setup Cilium CLI flags
        id: cli-flags
        run: |
          EXTRA=()
          if [ "${{ matrix.secondary-network }}" = "true" ]; then
            EXTRA+=("\"--secondary-network-iface=eth1\"")
          fi

          if [ "${{ matrix.encryption-strict-mode }}" = "true" ]; then
            # "Test Cilium after upgrade" ran strict-mode-encryption test which caused temporary drops.
            EXTRA+=("\"--expected-drop-reasons=+Traffic is unencrypted\"")
          fi

          echo flags="--include-unsafe-tests \
            --collect-sysdump-on-failure \
            --flush-ct \
            --sysdump-hubble-flows-count=1000000 \
            --sysdump-hubble-flows-timeout=5m \
            --sysdump-output-filename \"cilium-sysdump-${{ matrix.name }}-<ts>\" \
            --junit-file \"cilium-junits/${{ env.job_name }} (${{ matrix.name }}).xml\" \
            --junit-property github_job_step=\"Run tests upgrade 2 (${{ matrix.name }})\" \
            ${EXTRA[@]}" >> $GITHUB_OUTPUT

      - name: Test Cilium ${{ matrix.skip-upgrade != 'true' && 'after upgrade' }}
        shell: bash
        run: |
          cilium connectivity test \
            --include-conn-disrupt-test \
            --test "no-interrupted-connections" \
            --conn-disrupt-test-restarts-path "./cilium-conn-disrupt-restarts" \
            ${{ steps.cli-flags.outputs.flags }}

      - name: Run sequential Cilium tests
        shell: bash
        run: |
          cilium connectivity test \
            --test "seq-.*" \
            ${{ steps.cli-flags.outputs.flags }}

      - name: Run concurrent Cilium tests
        shell: bash
        run: |
          cilium connectivity test \
            --test-concurrency=${{ env.test_concurrency }} \
            --test "!seq-.*" \
            ${{ steps.cli-flags.outputs.flags }}

      - name: Setup conn dirstupt tests after a flush-ct Cilium tests
        shell: bash
        run: |
          cilium connectivity test \
            --include-conn-disrupt-test \
            --conn-disrupt-test-setup \
            --conn-disrupt-test-restarts-path "./cilium-conn-disrupt-restarts" \
            --conn-disrupt-dispatch-interval 0ms

      - name: Downgrade Cilium ${{ steps.vars.outputs.downgrade_version }}
        if: ${{ matrix.skip-upgrade != 'true' }}
        shell: bash
        run: |
          cilium upgrade \
            ${{ steps.cilium-stable-config.outputs.config }}

          cilium status --wait --wait-duration=10m
          kubectl get pods --all-namespaces -o wide
          kubectl -n kube-system exec daemonset/cilium -- cilium status

      - name: Test Cilium after downgrade to ${{ steps.vars.outputs.downgrade_version }}
        if: ${{ matrix.skip-upgrade != 'true' }}
        shell: bash
        run: |
          cilium connectivity test \
            --include-conn-disrupt-test \
            --test "no-interrupted-connections" \
            --conn-disrupt-test-restarts-path "./cilium-conn-disrupt-restarts" \
            ${{ steps.cli-flags.outputs.flags }}

      - name: Run sequential Cilium tests
        if: ${{ matrix.skip-upgrade != 'true' }}
        shell: bash
        run: |
          cilium connectivity test \
            --test "seq-.*" \
            ${{ steps.cli-flags.outputs.flags }}

      - name: Run concurrent Cilium tests
        if: ${{ matrix.skip-upgrade != 'true' }}
        shell: bash
        run: |
          cilium connectivity test \
            --test-concurrency=${{ env.test_concurrency }} \
            --test "!seq-.*" \
            ${{ steps.cli-flags.outputs.flags }}

      - name: Fetch artifacts
        if: ${{ !success() }}
        shell: bash
        run: |
          kubectl get pods --all-namespaces -o wide
          cilium status
          mkdir -p cilium-sysdumps
          cilium sysdump --output-filename cilium-sysdump-${{ matrix.name }}-final

      - name: Upload artifacts
        if: ${{ !success() }}
        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        with:
          name: cilium-sysdumps-${{ matrix.name }}
          path: cilium-sysdump-*.zip

      - name: Upload JUnits [junit]
        if: ${{ always() }}
        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        with:
          name: cilium-junits-${{ matrix.name }}
          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: setup-and-test
    steps:
      - name: Checkout context ref (trusted)
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          ref: ${{ inputs.context-ref || github.sha }}
          persist-credentials: false
      - name: Merge Sysdumps
        uses: ./.github/actions/merge-artifacts
        with:
          name: cilium-sysdumps
          pattern: cilium-sysdumps-*
          token: ${{ secrets.GITHUB_TOKEN }}
      - name: Merge JUnits
        uses: ./.github/actions/merge-artifacts
        with:
          name: cilium-junits
          pattern: cilium-junits-*
          token: ${{ secrets.GITHUB_TOKEN }}

  commit-status-final:
    if: ${{ always() }}
    name: Commit Status Final
    needs: setup-and-test
    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.setup-and-test.result }}