name: Integration Tests
# To debug locally on a branch, and when needing secrets
# change this to include `push` so the build is ran on
# the main repository.
on: [pull_request]
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true
jobs:
  integration-test:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        test:
          - TestACLHostsInNetMapTable
          - TestACLAllowUser80Dst
          - TestACLDenyAllPort80
          - TestACLAllowUserDst
          - TestACLAllowStarDst
          - TestACLNamedHostsCanReachBySubnet
          - TestACLNamedHostsCanReach
          - TestACLDevice1CanAccessDevice2
          - TestPolicyUpdateWhileRunningWithCLIInDatabase
          - TestOIDCAuthenticationPingAll
          - TestOIDCExpireNodesBasedOnTokenExpiry
          - TestOIDC024UserCreation
          - TestAuthWebFlowAuthenticationPingAll
          - TestAuthWebFlowLogoutAndRelogin
          - TestUserCommand
          - TestPreAuthKeyCommand
          - TestPreAuthKeyCommandWithoutExpiry
          - TestPreAuthKeyCommandReusableEphemeral
          - TestPreAuthKeyCorrectUserLoggedInCommand
          - TestApiKeyCommand
          - TestNodeTagCommand
          - TestNodeAdvertiseTagCommand
          - TestNodeCommand
          - TestNodeExpireCommand
          - TestNodeRenameCommand
          - TestNodeMoveCommand
          - TestPolicyCommand
          - TestPolicyBrokenConfigCommand
          - TestDERPVerifyEndpoint
          - TestResolveMagicDNS
          - TestValidateResolvConf
          - TestDERPServerScenario
          - TestDERPServerWebsocketScenario
          - TestPingAllByIP
          - TestPingAllByIPPublicDERP
          - TestAuthKeyLogoutAndRelogin
          - TestEphemeral
          - TestEphemeralInAlternateTimezone
          - TestEphemeral2006DeletedTooQuickly
          - TestPingAllByHostname
          - TestTaildrop
          - TestUpdateHostnameFromClient
          - TestExpireNode
          - TestNodeOnlineStatus
          - TestPingAllByIPManyUpDown
          - Test2118DeletingOnlineNodePanics
          - TestEnablingRoutes
          - TestHASubnetRouterFailover
          - TestEnableDisableAutoApprovedRoute
          - TestAutoApprovedSubRoute2068
          - TestSubnetRouteACL
          - TestHeadscale
          - TestCreateTailscale
          - TestTailscaleNodesJoiningHeadcale
          - TestSSHOneUserToAll
          - TestSSHMultipleUsersAllToAll
          - TestSSHNoSSHConfigured
          - TestSSHIsBlockedInACL
          - TestSSHUserOnlyIsolation
        database: [postgres, sqlite]
    env:
      # Github does not allow us to access secrets in pull requests,
      # so this env var is used to check if we have the secret or not.
      # If we have the secrets, meaning we are running on push in a fork,
      # there might be secrets available for more debugging.
      # If TS_OAUTH_CLIENT_ID and TS_OAUTH_SECRET is set, then the job
      # will join a debug tailscale network, set up SSH and a tmux session.
      # The SSH will be configured to use the SSH key of the Github user
      # that triggered the build.
      HAS_TAILSCALE_SECRET: ${{ secrets.TS_OAUTH_CLIENT_ID }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2
      - name: Get changed files
        id: changed-files
        uses: dorny/paths-filter@v3
        with:
          filters: |
            files:
              - '*.nix'
              - 'go.*'
              - '**/*.go'
              - 'integration_test/'
              - 'config-example.yaml'
      - name: Tailscale
        if: ${{ env.HAS_TAILSCALE_SECRET }}
        uses: tailscale/github-action@v2
        with:
          oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
          oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}
          tags: tag:gh
      - name: Setup SSH server for Actor
        if: ${{ env.HAS_TAILSCALE_SECRET }}
        uses: alexellis/setup-sshd-actor@master
      - uses: DeterminateSystems/nix-installer-action@main
        if: steps.changed-files.outputs.files == 'true'
      - uses: DeterminateSystems/magic-nix-cache-action@main
        if: steps.changed-files.outputs.files == 'true'
      - uses: satackey/action-docker-layer-caching@main
        if: steps.changed-files.outputs.files == 'true'
        continue-on-error: true
      - name: Run Integration Test
        uses: Wandalen/wretry.action@master
        if: steps.changed-files.outputs.files == 'true'
        env:
          USE_POSTGRES: ${{ matrix.database == 'postgres' && '1' || '0' }}
        with:
          attempt_limit: 5
          command: |
            nix develop --command -- docker run \
              --tty --rm \
              --volume ~/.cache/hs-integration-go:/go \
              --name headscale-test-suite \
              --volume $PWD:$PWD -w $PWD/integration \
              --volume /var/run/docker.sock:/var/run/docker.sock \
              --volume $PWD/control_logs:/tmp/control \
              --env HEADSCALE_INTEGRATION_POSTGRES=${{env.USE_POSTGRES}} \
              golang:1 \
                go run gotest.tools/gotestsum@latest -- ./... \
                  -failfast \
                  -timeout 120m \
                  -parallel 1 \
                  -run "^${{ matrix.test }}$"
      - uses: actions/upload-artifact@v4
        if: always() && steps.changed-files.outputs.files == 'true'
        with:
          name: ${{ matrix.test }}-${{matrix.database}}-logs
          path: "control_logs/*.log"
      - uses: actions/upload-artifact@v4
        if: always() && steps.changed-files.outputs.files == 'true'
        with:
          name: ${{ matrix.test }}-${{matrix.database}}-pprof
          path: "control_logs/*.pprof.tar"
      - name: Setup a blocking tmux session
        if: ${{ env.HAS_TAILSCALE_SECRET }}
        uses: alexellis/block-with-tmux-action@master