ghcr_helm_deploy.yml

# Standalone workflow to publish LiteLLM Helm Chart
# Note: The main ghcr_deploy.yml workflow also publishes the Helm chart as part of a full release
name: Build, Publish LiteLLM Helm Chart. New Release
on:
  workflow_dispatch:
    inputs:
      tag:
        description: "LiteLLM version tag (e.g., v1.81.0)"
        required: true

# Defines two custom environment variables for the workflow. Used for the Container registry domain, and a name for the Docker image that this workflow builds.
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
  REPO_OWNER: ${{github.repository_owner}}

# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
jobs:        
  build-and-push-helm-chart:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      
      - name: lowercase github.repository_owner
        run: |
          echo "REPO_OWNER=`echo ${{github.repository_owner}} | tr '[:upper:]' '[:lower:]'`" >>${GITHUB_ENV}

      # Sync Helm chart version with LiteLLM release version (1-1 versioning)
      - name: Calculate chart and app versions
        id: chart_version
        shell: bash
        run: |
          INPUT_TAG="${{ github.event.inputs.tag }}"

          # Chart version = LiteLLM version without 'v' prefix
          # v1.81.0 -> 1.81.0
          CHART_VERSION="${INPUT_TAG#v}"

          # App version = Docker tag (keeps 'v' prefix)
          APP_VERSION="${INPUT_TAG}"

          echo "version=${CHART_VERSION}" | tee -a $GITHUB_OUTPUT
          echo "app_version=${APP_VERSION}" | tee -a $GITHUB_OUTPUT

      - name: Lint helm chart
        run: helm lint deploy/charts/litellm-helm

      - uses: ./.github/actions/helm-oci-chart-releaser
        with:
          name: litellm-helm
          repository: ${{ env.REPO_OWNER }}
          tag: ${{ steps.chart_version.outputs.version }}
          app_version: ${{ steps.chart_version.outputs.app_version }}
          path: deploy/charts/litellm-helm
          registry: ${{ env.REGISTRY }}
          registry_username: ${{ github.actor }}
          registry_password: ${{ secrets.GITHUB_TOKEN }}
          update_dependencies: true