firezone/.github/workflows/_integration_tests.yml

name: Integration Tests
run-name: Triggered from ${{ github.event_name }} by ${{ github.actor }}
on:
  workflow_call:
    inputs:
      domain_image:
        required: false
        type: string
        default: "ghcr.io/firezone/domain"
      domain_tag:
        required: false
        type: string
        default: ${{ github.sha }}
      api_image:
        required: false
        type: string
        default: "ghcr.io/firezone/api"
      api_tag:
        required: false
        type: string
        default: ${{ github.sha }}
      web_image:
        required: false
        type: string
        default: "ghcr.io/firezone/web"
      web_tag:
        required: false
        type: string
        default: ${{ github.sha }}
      elixir_image:
        required: false
        type: string
        default: "ghcr.io/firezone/elixir"
      elixir_tag:
        required: false
        type: string
        default: ${{ github.sha }}
      relay_image:
        required: false
        type: string
        default: "ghcr.io/firezone/debug/relay"
      relay_tag:
        required: false
        type: string
        default: ${{ github.sha }}
      gateway_image:
        required: false
        type: string
        default: "ghcr.io/firezone/debug/gateway"
      gateway_tag:
        required: false
        type: string
        default: ${{ github.sha }}
      client_image:
        required: false
        type: string
        default: "ghcr.io/firezone/debug/client"
      client_tag:
        required: false
        type: string
        default: ${{ github.sha }}
      http_test_server_image:
        required: false
        type: string
        default: "ghcr.io/firezone/debug/http-test-server"
      http_test_server_tag:
        required: false
        type: string
        default: ${{ github.sha }}

env:
  COMPOSE_PARALLEL_LIMIT: 1 # Temporary fix for https://github.com/docker/compose/pull/12752 until compose v2.36.0 lands on GitHub actions runners.

jobs:
  integration-tests:
    name: ${{ matrix.test.name }}
    runs-on: ubuntu-22.04
    permissions:
      contents: read
      id-token: write
      pull-requests: write
    env:
      DOMAIN_IMAGE: ${{ inputs.domain_image }}
      DOMAIN_TAG: ${{ inputs.domain_tag }}
      API_IMAGE: ${{ inputs.api_image }}
      API_TAG: ${{ inputs.api_tag }}
      WEB_IMAGE: ${{ inputs.web_image }}
      WEB_TAG: ${{ inputs.web_tag }}
      RELAY_IMAGE: ${{ inputs.relay_image }}
      RELAY_TAG: ${{ inputs.relay_tag }}
      GATEWAY_IMAGE: ${{ inputs.gateway_image }}
      GATEWAY_TAG: ${{ inputs.gateway_tag }}
      CLIENT_IMAGE: ${{ inputs.client_image }}
      CLIENT_TAG: ${{ inputs.client_tag }}
      ELIXIR_IMAGE: ${{ inputs.elixir_image }}
      ELIXIR_TAG: ${{ inputs.elixir_tag }}
      HTTP_TEST_SERVER_IMAGE: ${{ inputs.http_test_server_image }}
      HTTP_TEST_SERVER_TAG: ${{ inputs.http_test_server_tag }}
    strategy:
      fail-fast: false
      matrix:
        test:
          - name: direct-curl-api-down
          - name: direct-curl-api-restart
          - name: direct-curl-ecn
          - name: direct-download-packet-loss
          - name: direct-dns-api-down
          - name: direct-dns-two-resources
          - name: direct-dns
          - name: direct-download-roaming-network
            # Too noisy can cause flaky tests due to the amount of data
            rust_log: debug
          - name: dns-nm
          - name: tcp-dns
          - name: relay-graceful-shutdown
          - name: systemd/dns-systemd-resolved
    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: ./.github/actions/ghcr-docker-login
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
      - name: Seed database
        run: docker compose run elixir /bin/sh -c 'cd apps/domain && mix ecto.migrate --migrations-path priv/repo/migrations --migrations-path priv/repo/manual_migrations && mix ecto.seed'
      - name: Start docker compose in the background
        run: |
          set -xe

          if [[ -n "${{ matrix.test.rust_log }}" ]]; then
            export RUST_LOG="${{ matrix.test.rust_log }}"
          fi

          # Start one-by-one to avoid variability in service startup order
          docker compose up -d dns.httpbin.search.test --no-build
          docker compose up -d httpbin --no-build
          docker compose up -d download.httpbin --no-build
          docker compose up -d api web domain --no-build
          docker compose up -d otel --no-build
          docker compose up -d relay-1 --no-build
          docker compose up -d relay-2 --no-build
          docker compose up -d gateway --no-build
          docker compose up -d client --no-build
          docker compose up veth-config

          # Wait a few seconds for the services to fully start. GH runners are
          # slow, so this gives the Client enough time to initialize its tun interface,
          # for example.
          # Intended to mitigate <https://github.com/firezone/firezone/issues/5830>
          sleep 3

      - name: Add 50ms simulated API latency
        run: |
          docker compose exec -T -u root api sh -c 'apk add --update --no-cache iproute2-tc'
          docker compose exec -T -u root api sh -c 'tc qdisc add dev eth0 root netem delay 50ms'

      - name: Add 10ms simulated gateway latency
        run: |
          # compatibility test images won't have the `tc` command
          docker compose exec -T gateway sh -c 'apk add --update --no-cache iproute2-tc'
          docker compose exec -T gateway sh -c 'tc qdisc add dev eth0 root netem delay 10ms'

      - run: ./scripts/tests/${{ matrix.test.name }}.sh

      - name: Ensure Client emitted no warnings
        if: "!cancelled()"
        run: |
          # Disabling checksum offloading causes one or two "I/O error (os error 5)" warnings
          docker compose logs client | \
            grep --invert "I/O error (os error 5)" | \
            grep "WARN" && exit 1 || exit 0
      - name: Show Client logs
        if: "!cancelled()"
        run: docker compose logs client

      - name: Show Relay-1 logs
        if: "!cancelled()"
        run: docker compose logs relay-1

      - name: Show Relay-2 logs
        if: "!cancelled()"
        run: docker compose logs relay-2

      - name: Ensure Gateway emitted no warnings
        if: "!cancelled()"
        run: |
          # Disabling checksum offloading causes one or two "I/O error (os error 5)" warnings
          docker compose logs gateway | \
            grep --invert "I/O error (os error 5)" | \
            grep "WARN" && exit 1 || exit 0
      - name: Show Gateway logs
        if: "!cancelled()"
        run: docker compose logs gateway

      - name: Show API logs
        if: "!cancelled()"
        run: docker compose logs api