name: "mount: windows conformance"

on:
  push:
    branches: [ master ]
    paths:
      - 'weed/mount/**'
      - 'weed/command/mount*.go'
      - 'weed/storage/volume_vacuum*.go'
      - 'weed/storage/volume_loading.go'
      - 'weed/storage/disk_location.go'
      - 'test/winfsp-conformance/**'
      - '.github/workflows/mount-windows-conformance.yml'
  # No base branch filter: this is the only thing that runs the Windows mount,
  # so it should cover a pull request stacked on another one too.
  pull_request:
    paths:
      - 'weed/mount/**'
      - 'weed/command/mount*.go'
      - 'weed/storage/volume_vacuum*.go'
      - 'weed/storage/volume_loading.go'
      - 'weed/storage/disk_location.go'
      - 'test/winfsp-conformance/**'
      - '.github/workflows/mount-windows-conformance.yml'

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  conformance:
    name: WinFsp conformance
    runs-on: windows-latest
    timeout-minutes: 60
    env:
      # The runner ships MinGW, so cgo is on by default and cgofuse picks its
      # cgo variant, which wants WinFsp's headers. The nocgo variant loads
      # winfsp-x64.dll at run time instead, which is how weed.exe is released.
      CGO_ENABLED: 0

    steps:
    - uses: actions/checkout@v7
      with:
        persist-credentials: false

    - uses: actions/setup-go@v7
      with:
        go-version-file: 'go.mod'

    # cgofuse loads winfsp-x64.dll at run time, so WinFsp is needed here but
    # not to build.
    - name: Install WinFsp
      run: choco install winfsp -y --no-progress

    - name: Build weed.exe
      run: go build -o weed.exe ./weed

    # The runner tears down a step's process tree when its shell exits, so a
    # cluster started in one step is gone by the next. Everything that needs
    # the cluster and the mount alive has to share a step.
    - name: Mount and run winfsp-tests
      shell: pwsh
      run: |
        $ErrorActionPreference = 'Stop'

        function Test-Port($port) {
          # A plain connect, because Test-NetConnection has reported success
          # here for a port nothing was listening on.
          $client = New-Object System.Net.Sockets.TcpClient
          try { $client.Connect('127.0.0.1', $port); return $client.Connected }
          catch { return $false }
          finally { $client.Dispose() }
        }

        function Start-Mount($log) {
          Start-Process -FilePath .\weed.exe `
            -ArgumentList '-logtostderr','mount','-filer=127.0.0.1:8888','-dir=S:' `
            -RedirectStandardOutput "C:\$log.log" -RedirectStandardError "C:\$log.err.log"
          $deadline = (Get-Date).AddMinutes(2)
          while ((Get-Date) -lt $deadline) {
            if (Test-Path S:\) { Write-Host "S: is mounted"; return }
            Start-Sleep -Seconds 2
          }
          Get-Content "C:\$log.log", "C:\$log.err.log" -ErrorAction SilentlyContinue
          throw "S: never appeared"
        }

        New-Item -ItemType Directory -Force -Path C:\seaweed-data | Out-Null
        # -ip pins the cluster to loopback; it otherwise advertises and binds
        # the runner's LAN address, which 127.0.0.1 cannot reach.
        Start-Process -FilePath .\weed.exe `
          -ArgumentList '-logtostderr','mini','-dir=C:\seaweed-data','-ip=127.0.0.1' `
          -RedirectStandardOutput C:\seaweed-mini.log -RedirectStandardError C:\seaweed-mini.err.log

        $deadline = (Get-Date).AddMinutes(3)
        while ((Get-Date) -lt $deadline) {
          # The mount dials grpc, not http, so both ports have to answer.
          if ((Test-Port 8888) -and (Test-Port 18888)) { break }
          Start-Sleep -Seconds 3
        }
        if (-not ((Test-Port 8888) -and (Test-Port 18888))) {
          Get-Content C:\seaweed-mini.log, C:\seaweed-mini.err.log -ErrorAction SilentlyContinue
          throw "filer never came up"
        }
        Write-Host "filer is up on http 8888 and grpc 18888"

        Start-Mount 'seaweed-mount'

        Write-Host "::group::winfsp-tests"
        & pwsh -File test/winfsp-conformance/run.ps1 -MountPoint S:\
        $code = $LASTEXITCODE
        Write-Host "::endgroup::"
        if ($code -ne 0) { throw "winfsp-tests failed with exit $code" }

    - name: Logs
      if: always()
      shell: pwsh
      run: |
        foreach ($f in 'C:\seaweed-mount.log','C:\seaweed-mount.err.log','C:\seaweed-mini.log','C:\seaweed-mini.err.log') {
          if (Test-Path $f) { Write-Host "===== $f"; Get-Content $f -Tail 200 }
        }