# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

# GitHub recommends pinning actions to a commit SHA.
# To get a newer version, you will need to update the SHA.
# You can also reference a tag or branch, but the action may change without warning.

name: Publish Docker image

on:
  #pull_request:
  push:
    branches:
      - master
    paths: ['.github/workflows/docker.yml', '.devops/*.Dockerfile', '**/CMakeLists.txt', '**/Makefile', '**/*.h', '**/*.hpp', '**/*.c', '**/*.cpp', '**/*.cu', '**/*.cuh', '**/*.swift', '**/*.m', '**/*.metal']
  workflow_dispatch: # allows manual triggering, useful for debugging

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

# Fine-grant permission
# https://docs.github.com/en/actions/security-for-github-actions/security-guides/automatic-token-authentication#modifying-the-permissions-for-the-github_token
permissions:
  packages: write

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    #if: github.event.pull_request.draft == false

    runs-on: ubuntu-latest
    env:
      COMMIT_SHA: ${{ github.sha }}
    strategy:
      matrix:
        config:
          - { tag: "light", dockerfile: ".devops/llama-cli.Dockerfile", platforms: "linux/amd64,linux/arm64" }
          - { tag: "server", dockerfile: ".devops/llama-server.Dockerfile", platforms: "linux/amd64,linux/arm64" }
          - { tag: "full", dockerfile: ".devops/full.Dockerfile", platforms: "linux/amd64,linux/arm64" }
          - { tag: "light-cuda", dockerfile: ".devops/llama-cli-cuda.Dockerfile", platforms: "linux/amd64" }
          - { tag: "server-cuda", dockerfile: ".devops/llama-server-cuda.Dockerfile", platforms: "linux/amd64" }
          - { tag: "full-cuda", dockerfile: ".devops/full-cuda.Dockerfile", platforms: "linux/amd64" }
          # Note: the rocm images are failing due to a compiler error and are disabled until this is fixed to allow the workflow to complete
          #- { tag: "light-rocm", dockerfile: ".devops/llama-cli-rocm.Dockerfile", platforms: "linux/amd64,linux/arm64" }
          #- { tag: "server-rocm", dockerfile: ".devops/llama-server-rocm.Dockerfile", platforms: "linux/amd64,linux/arm64" }
          #- { tag: "full-rocm", dockerfile: ".devops/full-rocm.Dockerfile", platforms: "linux/amd64,linux/arm64" }
          - { tag: "light-intel", dockerfile: ".devops/llama-cli-intel.Dockerfile", platforms: "linux/amd64" }
          - { tag: "server-intel", dockerfile: ".devops/llama-server-intel.Dockerfile", platforms: "linux/amd64" }
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # preserve git history, so we can determine the build number

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Determine tag name
        id: tag
        shell: bash
        run: |
          BUILD_NUMBER="$(git rev-list --count HEAD)"
          SHORT_HASH="$(git rev-parse --short=7 HEAD)"
          REPO_OWNER="${GITHUB_REPOSITORY_OWNER@L}"  # to lower case
          REPO_NAME="${{ github.event.repository.name }}"

          # determine tag name postfix (build number, commit hash)
          if [[ "${{ env.GITHUB_BRANCH_NAME }}" == "master" ]]; then
            TAG_POSTFIX="b${BUILD_NUMBER}"
          else
            SAFE_NAME=$(echo "${{ env.GITHUB_BRANCH_NAME }}" | tr '/' '-')
            TAG_POSTFIX="${SAFE_NAME}-${SHORT_HASH}"
          fi

          # list all tags possible
          TAGS=""
          TAGS="${TAGS}ghcr.io/${REPO_OWNER}/${REPO_NAME}:${{ matrix.config.tag }},"
          TAGS="${TAGS}ghcr.io/${REPO_OWNER}/${REPO_NAME}:${{ matrix.config.tag }}-${TAG_POSTFIX}"

          echo "output_tags=$TAGS" >> $GITHUB_OUTPUT
          echo "output_tags=$TAGS"  # print out for debugging
        env:
          GITHUB_BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
          GITHUB_REPOSITORY_OWNER: '${{ github.repository_owner }}'

      # https://github.com/jlumbroso/free-disk-space/tree/54081f138730dfa15788a46383842cd2f914a1be#example
      - name: Free Disk Space (Ubuntu)
        uses: jlumbroso/free-disk-space@main
        with:
          # this might remove tools that are actually needed,
          # if set to "true" but frees about 6 GB
          tool-cache: false

          # all of these default to true, but feel free to set to
          # "false" if necessary for your workflow
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: true

      - name: Build and push Docker image (tagged + versioned)
        if: github.event_name == 'push'
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          platforms: ${{ matrix.config.platforms }}
          # tag list is generated from step above
          tags: ${{ steps.tag.outputs.output_tags }}
          file: ${{ matrix.config.dockerfile }}