name: "Multi-Master Tests"

on:
  push:
    branches: [ master ]
    paths:
      - 'weed/server/master_*.go'
      - 'weed/server/raft_*.go'
      - 'weed/topology/**'
      - 'test/multi_master/**'
      - 'test/testutil/**'
      - '.github/workflows/multi-master-tests.yml'
  pull_request:
    branches: [ master ]
    paths:
      - 'weed/server/master_*.go'
      - 'weed/server/raft_*.go'
      - 'weed/topology/**'
      - 'test/multi_master/**'
      - 'test/testutil/**'
      - '.github/workflows/multi-master-tests.yml'

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || (github.event_name == 'push' && github.ref) || github.run_id }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' || (github.event_name == 'push' && !startsWith(github.ref, 'refs/tags/')) }}

permissions:
  contents: read

jobs:
  multi-master-failover-tests:
    name: Multi-Master Failover Tests
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    steps:
      - name: Check out code
        uses: actions/checkout@v7

      - name: Set up Go
        uses: actions/setup-go@v7
        with:
          go-version-file: 'go.mod'
          cache: ${{ runner.environment == 'github-hosted' }}

      - name: Install SeaweedFS
        run: |
          cd weed && go install -buildvcs=false

      - name: Run multi-master failover tests
        # The tests in test/multi_master spin up their own 3-node master raft
        # cluster (using the freshly-installed `weed` binary) and exercise
        # leader-election, failover and recovery scenarios. The shared
        # test/testutil port-allocator regression test runs alongside since it
        # is a prerequisite for the cluster fixtures.
        run: |
          go test -v -timeout=8m ./test/multi_master/... ./test/testutil/...

      - name: Collect server logs on failure
        if: failure()
        run: |
          # test/multi_master/cluster.go creates per-test dirs via
          # os.MkdirTemp("", "seaweedfs_multi_master_it_") and writes each
          # node's log into <baseDir>/logs/master*.log.
          echo "Collecting per-node master logs from temp directories..."
          mkdir -p /tmp/multi-master-logs
          find /tmp -maxdepth 1 -type d -name "seaweedfs_multi_master_it_*" 2>/dev/null | while read dir; do
            echo "Found test directory: $dir"
            cp -r "$dir" /tmp/multi-master-logs/ 2>/dev/null || true
          done
          find /tmp/multi-master-logs -type f -name "*.log" -print -exec tail -n 100 {} \; 2>/dev/null || echo "No logs found"

      - name: Archive logs
        if: failure()
        uses: actions/upload-artifact@v7
        with:
          name: multi-master-test-logs
          path: /tmp/multi-master-logs/
          retention-days: 7