name: Release Docker Images Nightly (AMD)
on:
  workflow_dispatch:
  schedule:
    - cron: '0 12 * * *'

concurrency:
  # A PR number if a pull request and otherwise the commit hash. This cancels
  # queued and in-progress runs for the same PR (presubmit) or commit
  # (postsubmit). The workflow name is prepended to avoid conflicts between
  # different workflows.
  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
  cancel-in-progress: true

jobs:
  publish:
    if: github.repository == 'sgl-project/sglang'
    runs-on: amd-docker-scale
    environment: 'prod'
    strategy:
      fail-fast: false
      matrix:
        gpu_arch: ['gfx942', 'gfx950']
        build_type: ['all']
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Required for git describe to find tags

      - name: "Set Date"
        run: |
          echo "DATE=$(date +%Y%m%d)" >> $GITHUB_ENV

      - name: Get version from latest tag
        id: version
        run: |
          # Get the latest version tag sorted by version number (e.g., v0.5.7 -> 0.5.7)
          VERSION=$(git tag -l 'v[0-9]*' --sort=-v:refname | head -1 | sed 's/^v//')

          if [ -z "$VERSION" ]; then
            echo "::error::Could not determine version from git tags"
            exit 1
          fi

          # Get short commit hash of current HEAD
          COMMIT_HASH=$(git rev-parse --short HEAD)

          # Compose pretend version for setuptools_scm: e.g., 0.5.8.dev20260129+g1a2b3c4
          PRETEND_VERSION="${VERSION}.dev${{ env.DATE }}+g${COMMIT_HASH}"

          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "pretend_version=${PRETEND_VERSION}" >> $GITHUB_OUTPUT
          echo "Detected version: ${VERSION}"
          echo "Pretend version for pip: ${PRETEND_VERSION}"

      - name: Login to Docker Hub (AMD)
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_AMD_USERNAME }}
          password: ${{ secrets.DOCKERHUB_AMD_TOKEN }}

      - name: Build and Push to rocm/sgl-dev
        run: |
          version=${{ steps.version.outputs.version }}
          pretend_version=${{ steps.version.outputs.pretend_version }}
          echo "Version: ${version}"
          echo "Pretend version: ${pretend_version}"

          if [ "${{ matrix.gpu_arch }}" = "gfx942" ]; then
            rocm_tag="rocm700-mi30x"
          elif [ "${{ matrix.gpu_arch }}" = "gfx950" ]; then
            rocm_tag="rocm700-mi35x"
          else
            echo "Unsupported gfx arch"
            exit 1
          fi

          tag=v${version}-${rocm_tag}
          echo "IMAGE_TAG=${tag}-${{ env.DATE }}" >> $GITHUB_ENV

          docker build . -f docker/rocm.Dockerfile --build-arg SGL_BRANCH=${{ github.ref_name }} --build-arg BUILD_TYPE=${{ matrix.build_type }} --build-arg GPU_ARCH=${{ matrix.gpu_arch }} --build-arg ENABLE_MORI=1 --build-arg NIC_BACKEND=ainic --build-arg SETUPTOOLS_SCM_PRETEND_VERSION=${pretend_version} -t rocm/sgl-dev:${tag}-${{ env.DATE }} --no-cache
          docker push rocm/sgl-dev:${tag}-${{ env.DATE }}

      - name: Login to Docker Hub (lmsys)
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Push to lmsysorg/sglang-rocm
        run: |
          docker tag rocm/sgl-dev:${{ env.IMAGE_TAG }} lmsysorg/sglang-rocm:${{ env.IMAGE_TAG }}
          docker push lmsysorg/sglang-rocm:${{ env.IMAGE_TAG }}

  # Temporarily disable docker cache seeding until performant storage is in place
  cache:
    if: false
    # if: always() && github.repository == 'sgl-project/sglang'
    runs-on: linux-mi300-gpu-1
    environment: 'prod'
    needs: publish
    strategy:
      fail-fast: false
      matrix:
        gpu_arch: ['gfx942']
        build_type: ['all']
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Required for git describe to find tags

      - name: "Set Date"
        run: |
          echo "DATE=$(date +%Y%m%d)" >> $GITHUB_ENV

      - name: Get version from latest tag
        id: version
        run: |
          # Get the latest version tag sorted by version number (e.g., v0.5.7 -> 0.5.7)
          VERSION=$(git tag -l 'v[0-9]*' --sort=-v:refname | head -1 | sed 's/^v//')

          if [ -z "$VERSION" ]; then
            echo "::error::Could not determine version from git tags"
            exit 1
          fi

          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "Detected version: ${VERSION}"

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_AMD_USERNAME }}
          password: ${{ secrets.DOCKERHUB_AMD_TOKEN }}

      - name: Pull and Save Docker Image to Cache
        run: |
          set -euxo pipefail

          version=${{ steps.version.outputs.version }}
          echo "Version: ${version}"

          if [ "${{ matrix.gpu_arch }}" = "gfx942" ]; then
            rocm_tag="rocm700-mi30x"
          else
            echo "Unsupported gfx arch"
            exit 1
          fi

          tag=v${version}-${rocm_tag}

          if [ "${{ matrix.build_type }}" = "all" ]; then
            tag_suffix=""
          else
            echo "Unsupported build type"
            exit 1
          fi

          image="rocm/sgl-dev:${tag}-${{ env.DATE }}${tag_suffix}"

          # Determine target cache file name based on ROCm variant
          if [[ "${rocm_tag}" == rocm700* ]]; then
            final_path="/home/runner/sgl-data/docker/image-700.tar"
          else
            echo "Unexpected ROCm tag: ${rocm_tag}"
            exit 1
          fi

          tmp_path="${final_path}.tmp"

          echo "Pulling image: ${image}"
          docker pull "${image}"

          echo "Saving to temp file: ${tmp_path}"
          docker save "${image}" -o "${tmp_path}"

          echo "Moving to final path: ${final_path}"
          mv -f "${tmp_path}" "${final_path}"

          echo "Cache populated successfully at ${final_path}"
