# Nightly race detector run.
#
# Runs all server tests with Go's -race detector enabled to catch
# data races. Runs sequentially (fullyparallel: false) on a 2-core
# runner to minimize resource usage — race detection adds significant
# overhead that makes parallel execution impractical.
#
# Schedule: Nightly at ~2am ET (6am UTC)
#
# Previously, -race was implicitly bundled with the binary params job
# via the fullyparallel=false → RACE_MODE coupling. This decouples
# the two concerns: binary params tests the Postgres driver encoding;
# this workflow tests for data races.
name: Server CI Nightly Race
on:
  schedule:
    - cron: "0 6 * * *" # Daily 6am UTC (~2am ET)
  workflow_dispatch: # Manual trigger for on-demand race detection

permissions:
  contents: read

jobs:
  buildenv:
    name: Build Environment
    runs-on: ubuntu-22.04
    outputs:
      build-server-tag: ${{ steps.calculate.outputs.BUILD_SERVER_TAG }}
    steps:
      - name: Checkout mattermost project
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
      - name: Calculate build image tag
        id: calculate
        working-directory: server/
        run: |
          tag=$(./build/buildenv-tag.sh)
          echo "BUILD_SERVER_TAG=${tag}" >> "${GITHUB_OUTPUT}"

  test-race:
    name: Race Detector
    needs: buildenv
    permissions:
      contents: read
      actions: write
    uses: ./.github/workflows/server-test-template.yml
    with:
      name: Race Detector
      datasource: postgres://mmuser:mostest_password@postgres:5432/mattermost_test?sslmode=disable&connect_timeout=10
      drivername: postgres
      logsartifact: race-detector-server-test-logs
      build-server-tag: ${{ needs.buildenv.outputs.build-server-tag }}
      fips-enabled: false
      fullyparallel: false
      race-enabled: true
      runner: ubuntu-22.04
      allow-failure: true