ci.yaml

name: CI

on:
  schedule:
    - cron: '30 9 * * *'  # Pacific Time 01:30 AM in UTC
  pull_request:
    types:
      - opened
      - reopened
      - ready_for_review
      - synchronize
    paths-ignore:
      - '**.md'
  workflow_dispatch:
    inputs:
      PUBLISH:
        type: boolean
        description: Publish dated images and update the 'latest' tag?
        default: false
        required: false
      BUMP_MANIFEST:
        type: boolean
        description: Bump git repos in manifest.yaml to head of tree?
        default: true
        required: true
      MERGE_BUMPED_MANIFEST:
        type: boolean
        description: "(used if BUMP_MANIFEST=true) If true: attempt to PR/merge manifest branch"
        default: false
        required: false
      SOURCE_OVERRIDES:
        type: string
        description: |
          A comma-separated PACKAGE=URL#REF list to override sources used by build.
          PACKAGE∊{JAX,XLA,Flax,transformer-engine,T5X,paxml,praxis,maxtext,levanter,haliax,mujuco,mujuco-mpc,gemma,big-vision,common-loop-utils,flaxformer,panopticapi} (case-insensitive)
        default: ''
        required: false

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

permissions:
  contents: write       # to fetch code and push branch
  actions:  write       # to cancel previous workflows
  packages: write       # to upload container
  pull-requests: write  # to make pull request for manifest bump

env:
  DEFAULT_MANIFEST_ARTIFACT_NAME: bumped-manifest

jobs:

  metadata:
    runs-on: ubuntu-22.04
    outputs:
      BUILD_DATE: ${{ steps.date.outputs.BUILD_DATE }}
      PUBLISH: ${{ steps.if-publish.outputs.PUBLISH }}
      BUMP_MANIFEST: ${{ steps.manifest-branch.outputs.BUMP_MANIFEST }}
      MANIFEST_ARTIFACT_NAME: ${{ steps.manifest-branch.outputs.MANIFEST_ARTIFACT_NAME }}
      MANIFEST_BRANCH: ${{ steps.manifest-branch.outputs.MANIFEST_BRANCH }}
      MERGE_BUMPED_MANIFEST: ${{ steps.manifest-branch.outputs.MERGE_BUMBED_MANIFEST }}
    steps:
      - name: Cancel workflow run if the trigger is a draft PR
        id: cancel-if-draft
        if: github.event_name == 'pull_request' && github.event.pull_request.draft == true
        run: |
          echo "Cancelling workflow for draft PR"
          curl -X POST -H "Authorization: token ${{ github.token }}" \
                -H "Accept: application/vnd.github.v3+json" \
                "https://api.github.com/repos/${{ github.repository }}/actions/runs/${{ github.run_id }}/cancel"
          while true; do sleep 1; done  # blocks execution in case workflow cancellation takes time

      - name: Set build date
        id: date
        shell: bash -x -e {0}
        run: |
          BUILD_DATE=$(TZ='US/Los_Angeles' date '+%Y-%m-%d')
          echo "BUILD_DATE=${BUILD_DATE}" >> $GITHUB_OUTPUT

      - name: Determine whether results will be 'published'
        id: if-publish
        shell: bash -x -e {0}
        run: |
          echo "PUBLISH=${{ github.event_name == 'schedule' || inputs.PUBLISH }}" >> $GITHUB_OUTPUT

      - name: Set manifest branch name
        id: manifest-branch
        shell: bash -x -e {0}
        run: |
          if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
            BUMP_MANIFEST="${{ inputs.BUMP_MANIFEST }}"
          else
            BUMP_MANIFEST="true"
          fi
          MERGE_BUMPED_MANIFEST=${{ github.event_name == 'schedule' || inputs.MERGE_BUMPED_MANIFEST || 'false' }}
          # Prepend nightly manifest branch with "z" to make it appear at the end
          if [[ "$BUMP_MANIFEST" == "true" ]]; then
            # This branch is for scheduled nightlies or manually run nightlies
            MANIFEST_BRANCH=znightly-${{ steps.date.outputs.BUILD_DATE }}-${{ github.run_id }}
            MANIFEST_ARTIFACT_NAME=${{ env.DEFAULT_MANIFEST_ARTIFACT_NAME }}
          else
            # This branch is for presubmits (no bumping needed)
            MANIFEST_BRANCH=${{ github.sha }}
            # Empty artifact name means to use the one in version control
            MANIFEST_ARTIFACT_NAME=""
          fi
          echo "MANIFEST_BRANCH=$MANIFEST_BRANCH" | tee -a $GITHUB_OUTPUT
          echo "MANIFEST_ARTIFACT_NAME=$MANIFEST_ARTIFACT_NAME" | tee -a $GITHUB_OUTPUT
          echo "BUMP_MANIFEST=$BUMP_MANIFEST" | tee -a $GITHUB_OUTPUT
          echo "MERGE_BUMBED_MANIFEST=$MERGE_BUMPED_MANIFEST" | tee -a $GITHUB_OUTPUT
          if [[ "$BUMP_MANIFEST" == "false" && "$MERGE_BUMPED_MANIFEST" == "true" ]]; then
            echo "Error: If BUMP_MANIFEST=false, MERGE_BUMPED_MANIFEST cannot be true" >&2
            exit 1
          fi
      
  bump-manifest:
    needs: metadata
    runs-on: ubuntu-22.04
    outputs:
      SOURCE_URLREFS: ${{ steps.source-urlrefs.outputs.SOURCE_URLREFS }}
    steps:
      - name: Check out the repository under ${GITHUB_WORKSPACE}
        uses: actions/checkout@v4

      - name: Test if manifest bump is functional, and save result to a new file
        working-directory: .github/container
        shell: bash -x -e {0}
        run: |
          bash bump.sh --input-manifest manifest.yaml --output-manifest manifest.yaml.new --base-patch-dir ./patches-new
      
      - name: Maybe replace current manifest/patches with the new one and show diff
        working-directory: .github/container
        shell: bash -x -e {0}
        run: |
          if [[ "${{ needs.metadata.outputs.BUMP_MANIFEST }}" == "true" ]]; then
            mv manifest.yaml.new manifest.yaml
            rm -rf patches
            mv patches-new patches
          else
            rm -rf patches-new manifest.yaml.new
          fi
          sed -i 's|file://patches-new/|file://patches/|g' manifest.yaml
          git diff

      - name: Upload bumped manifest/patches to be used in build-base
        if: needs.metadata.outputs.MANIFEST_ARTIFACT_NAME != ''
        uses: actions/upload-artifact@v4
        with:
          name: ${{ needs.metadata.outputs.MANIFEST_ARTIFACT_NAME }}
          path: |
            .github/container/manifest.yaml
            .github/container/patches

      - name: Create URL ref build args
        id: source-urlrefs
        shell: bash -x -e {0}
        run: |
          # converts manifest yaml to a json object of {SOFTWARE_NAME: URL#REF, ...}
          urlrefs=$(
            cat .github/container/manifest.yaml |\
            yq -o=json 'to_entries | .[] | select(.value.mode == "git-clone") | {( .key | upcase | sub("-", "_") ): .value.url + "#" + .value.latest_verified_commit}' |\
            jq -c -s 'add'
          )
          # SOURCE_OVERRIDES is a comma-separated list of package=urlref pairs
          IFS=, read -ra overrides <<< "${{ inputs.SOURCE_OVERRIDES }}"
          for override in "${overrides[@]}"; do
            PACKAGE=$(cut -d= -f 1 <<< "${override}" | tr '[:lower:]' '[:upper:]' | tr '-' '_')
            URLREF=$(cut -d= -f 2- <<< "${override}")
            urlrefs=$(echo "$urlrefs" | jq -c ". + {\"$PACKAGE\": \"$URLREF\"}")
          done
          echo "SOURCE_URLREFS=${urlrefs}" >> $GITHUB_OUTPUT

  amd64:
    needs: [metadata, bump-manifest]
    uses: ./.github/workflows/_ci.yaml
    with:
      ARCHITECTURE: amd64
      BUILD_DATE: ${{ needs.metadata.outputs.BUILD_DATE }}
      MANIFEST_ARTIFACT_NAME: ${{ needs.metadata.outputs.MANIFEST_ARTIFACT_NAME }}
      SOURCE_URLREFS: ${{ needs.bump-manifest.outputs.SOURCE_URLREFS }}
    secrets: inherit

  arm64:
    needs: [metadata, bump-manifest]
    uses: ./.github/workflows/_ci.yaml
    with:
      ARCHITECTURE: arm64
      BUILD_DATE: ${{ needs.metadata.outputs.BUILD_DATE }}
      MANIFEST_ARTIFACT_NAME: ${{ needs.metadata.outputs.MANIFEST_ARTIFACT_NAME }}
      SOURCE_URLREFS: ${{ needs.bump-manifest.outputs.SOURCE_URLREFS }}
    secrets: inherit

  # Only merge if everything succeeds
  merge-new-manifest:
    runs-on: ubuntu-22.04
    if: ${{ !cancelled() && needs.metadata.outputs.MERGE_BUMPED_MANIFEST == 'true' && needs.metadata.outputs.MANIFEST_BRANCH != github.sha }}
    needs:
      - metadata
      - amd64
      - arm64
    steps:
      - name: "Tests Succeeded: ${{ !contains(needs.*.result, 'failure') && !contains(needs.*.result, 'cancelled') }}"
        id: test_result
        run:
          echo "SUCCEEDED=${{ !contains(needs.*.result, 'failure') && !contains(needs.*.result, 'cancelled') }}" | tee -a $GITHUB_OUTPUT

      - name: Check out the repository under ${GITHUB_WORKSPACE}
        uses: actions/checkout@v4
      
      - name: Delete checked-out manifest and patches
        run: |
          rm .github/container/manifest.yaml
          rm -rf .github/container/patches

      - name: Replace checked-out manifest file/patches with bumped one
        uses: actions/download-artifact@v4
        with:
          name: ${{ needs.metadata.outputs.MANIFEST_ARTIFACT_NAME }}
          path: .github/container/

      - name: "Create local manifest branch: ${{ needs.metadata.outputs.MANIFEST_BRANCH }}"
        id: local_branch
        shell: bash -x -e {0}
        run: |
          git config user.name "JAX-Toolbox CI"
          git config user.email "jax@nvidia.com"
          git switch -c ${{ needs.metadata.outputs.MANIFEST_BRANCH }}
          git status
          git add .github/container/patches/
          git status
          # In the unusual situation where the manifest is the same even after bumping,
          # we will produce an empty commit with --allow-empty, which allows a PR to be
          # made and merged even with no changeset.
          git commit --allow-empty -a -m "Nightly Manifest Bump (${{ needs.metadata.outputs.BUILD_DATE }}) from: https://github.com/NVIDIA/JAX-Toolbox/actions/runs/${{ github.run_id }}"

      - name: Try to merge manifest branch
        id: merge_local
        if: steps.test_result.outputs.SUCCEEDED == 'true'
        # Merge can fail
        continue-on-error: true
        shell: bash -x -e {0}
        run: |
          git switch ${{ github.ref_name }}
          # Pull this ref in case it was updated
          git pull --rebase
          git merge --ff-only ${{ needs.metadata.outputs.MANIFEST_BRANCH }}
          # Push the new change
          git push origin ${{ github.ref_name }}
      
      # We will create a Draft PR & remote branch if:
      #  1. The tests failed
      #  2. The merge failed
      - name: Create remote manifest branch
        id: create_remote_branch
        if: steps.test_result.outputs.SUCCEEDED == 'false' || steps.merge_local.outcome != 'success'
        shell: bash -x -e {0}
        run: |
          # Always abort in case in-progress merge
          git merge --abort || true
          git switch ${{ needs.metadata.outputs.MANIFEST_BRANCH }}
          # Since the merge failed, create a remote and follow up with a PR
          git push --set-upstream origin ${{ needs.metadata.outputs.MANIFEST_BRANCH }}

      - name: Creating Draft PR for MANIFEST_BRANCH=${{ needs.metadata.outputs.MANIFEST_BRANCH }}
        id: create_pr
        if: steps.test_result.outputs.SUCCEEDED == 'false' || steps.merge_local.outcome != 'success'
        uses: octokit/request-action@v2.x
        with:
          route: POST /repos/{owner_and_repo}/pulls
          owner_and_repo: ${{ github.repository }}
          head: ${{ needs.metadata.outputs.MANIFEST_BRANCH }}
          # Always try to merge back into the branch that triggered this workflow
          base: ${{ github.ref }}
          body: |
            https://github.com/NVIDIA/JAX-Toolbox/actions/runs/${{ github.run_id }}
          title: Nightly Manifest Bump (${{ needs.metadata.outputs.BUILD_DATE }})
          draft: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      
      - name: "Log created PR: #${{ fromJson(steps.create_pr.outputs.data).number }}"
        if: steps.create_pr.outcome == 'success'
        run: |
          echo "https://github.com/NVIDIA/JAX-Toolbox/pull/${{ fromJson(steps.create_pr.outputs.data).number }}" | tee -a $GITHUB_STEP_SUMMARY
      
      # Guard delete in simple check to protect other branches
      - name: Check that the branch matches znightly- prefix
        run: |
          if [[ "${{ needs.metadata.outputs.MANIFEST_BRANCH }}" != znightly-* ]]; then
            echo Tried to delete MANIFEST_BRANCH=${{ needs.metadata.outputs.MANIFEST_BRANCH }}, but did not start with "znightly-"
            exit 1
          fi

      # If merging fails b/c upstream conflict, branch is deleted to avoid clutter since changeset is preserved in PR
      - name: Deleting remote MANIFEST_BRANCH=${{ needs.metadata.outputs.MANIFEST_BRANCH }}
        # Delete can fail if branch was already deleted or not created, e.g., if the PR successfully merges, then branch is also already deleted.
        continue-on-error: true
        uses: octokit/request-action@v2.x
        with:
          route: DELETE /repos/{owner_and_repo}/git/refs/heads/${{ needs.metadata.outputs.MANIFEST_BRANCH }}
          owner_and_repo: ${{ github.repository }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  make-publish-configs:
    runs-on: ubuntu-22.04
    if:  ${{ !cancelled() }}
    env:
      MEALKIT_IMAGE_REPO: ${{ needs.metadata.outputs.PUBLISH == 'true' && 'jax-mealkit' || 'mock-jax-mealkit' }}
      FINAL_IMAGE_REPO: ${{ needs.metadata.outputs.PUBLISH == 'true' && 'jax' || 'mock-jax' }}
    needs:
      - metadata
      - amd64
      - arm64
    outputs:
      PUBLISH_CONFIGS: ${{ steps.generate-configs.outputs.PUBLISH_CONFIGS }}
    steps:
      - id: generate-configs
        shell: bash -eu -o pipefail {0}
        run: |
          declare -a FLAVORS=(
            base
            jax
            triton
            equinox
            maxtext
            levanter
            upstream-t5x
            upstream-pax
            t5x
            pax
            gemma
          )
          declare -a STAGES=(
            mealkit
            final
          )

          ## create JSON specs for a 1D matrix of container publication jobs

          ALL_TAGS=$(
            echo '${{ needs.amd64.outputs.DOCKER_TAGS }}' \
                 '${{ needs.arm64.outputs.DOCKER_TAGS }}' |\
            jq -s 'add'
          )
          PUBLISH_CONFIGS='[]'

          for stage in "${STAGES[@]}"; do
            for flavor in "${FLAVORS[@]}";do

              # collect images for different platforms, e.g. amd64 and arm64
              matching_tags=$(
                echo "$ALL_TAGS" |\
                jq -c ".[] | select(.stage == \"${stage}\" and .flavor == \"${flavor}\" and .tag != \"\")"
              )

              # source_image is a list of all platform-specific tags
              source_image=$(echo "${matching_tags}" | jq -c "[.tag]" | jq -s 'add')
              # if the build job failed without producing any images, skip this flavor
              n_source_images=$(echo "$source_image" | jq 'length')
              if [[ $n_source_images -gt 0 ]]; then
                echo "PUBLISH image $flavor with $n_source_images $stage containers"

                # tag priority is the highest priority of all platform-specific tags
                priority=$(echo "${matching_tags}" | jq -r ".priority" | jq -s 'max')

                # put all final images in the `ghcr.io/nvidia/jax` namespace
                # and mealkit images in `ghcr.io/nvidia/jax-toolbox-mealkit` namespace
                case ${stage} in
                  mealkit)
                    target_image=${MEALKIT_IMAGE_REPO}
                    ;;
                  final)
                    target_image=${FINAL_IMAGE_REPO}
                    ;;
                esac

                PUBLISH_CONFIGS=$(
                  echo ${PUBLISH_CONFIGS} | jq -c ". + [{
                    \"flavor\": \"${flavor}\",
                    \"target_image\": \"${target_image}\",
                    \"priority\": \"${priority}\",
                    \"source_image\": ${source_image},
                    \"stage\": \"${stage}\"
                  }]"
                )
              else
                echo "SKIPPED image $flavor with 0 $stage containers"
              fi
            done
          done

          PUBLISH_CONFIGS=$(echo "$PUBLISH_CONFIGS" | jq -c '{"config": .}')
          echo ${PUBLISH_CONFIGS} | jq
          echo "PUBLISH_CONFIGS=${PUBLISH_CONFIGS}" >> $GITHUB_OUTPUT

  publish-containers:
    needs:
      - metadata
      - make-publish-configs
    if:  ${{ !cancelled() && needs.make-publish-configs.outputs.PUBLISH_CONFIGS.config != '{"config":[]}' }}
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.make-publish-configs.outputs.PUBLISH_CONFIGS) }}
    uses: ./.github/workflows/_publish_container.yaml
    with:
      ARTIFACT_NAME: ${{ matrix.config.stage }}-${{ matrix.config.flavor }}
      ARTIFACT_TAG: ${{ matrix.config.flavor }}-${{ needs.metadata.outputs.BUILD_DATE }}
      SOURCE_IMAGE: ${{ join(matrix.config.source_image, ' ') }}
      TARGET_IMAGE: ${{ matrix.config.target_image }}
      TARGET_TAGS: |
        type=raw,value=${{ matrix.config.flavor }},priority=${{ matrix.config.priority }}
        type=raw,value=${{ matrix.config.flavor }}-${{ needs.metadata.outputs.BUILD_DATE }},priority=${{ matrix.config.priority }}

  finalize:
    needs: [metadata, amd64, arm64, publish-containers]
    if: "!cancelled()"
    uses: ./.github/workflows/_finalize.yaml
    with:
      BUILD_DATE: ${{ needs.metadata.outputs.BUILD_DATE }}
      PUBLISH_BADGE: ${{ needs.metadata.outputs.PUBLISH == 'true' }}
    secrets: inherit