name: containerd-build
description: Pushes a containerd image.
inputs:
  registry_host:
    description: A containerd registry host.
    required: false
    default: ${{ vars.INTELIGR8_REGISTRY_HOST }}
  image_namespace:
    description: A containerd image prefix.
    required: false
    default: ${{ vars.INTELIGR8_IMAGE_NAMESPACE }}
  image_name:
    description: A containerd image name, without the host and prefix.
    required: true
  target_image_tag:
    description: A new tag for the specified containerd image.
    required: false
  push_opts:
    description: A string of options for the containerd CLI build command.
    required: false
    default: --quiet
runs:
  using: "composite"
  steps:
    - id: containerd_debug
      uses: ./.gitea/actions/containerd-debug
    - id: containerd_push
      working-directory: containerd
      env:
        REGISTRY_HOST: ${{ inputs.registry_host }}
        IMAGE_NAMESPACE: ${{ inputs.image_namespace }}
        IMAGE_NAME: ${{ inputs.image_name }}
        TARGET_IMAGE_TAG: ${{ inputs.target_image_tag }}
        CONTAINERD_CMD: buildah
        CONTAINERD_PUSH_OPTS: ${{ inputs.push_opts }}
        CONTAINERD_CMD_DEBUG_OPTS: ${{ steps.containerd_debug.outputs.containerd_cmd_debug_opts }}
      shell: bash
      run: |
        IMAGE_REMOTE_NAME=${REGISTRY_HOST}/${IMAGE_NAMESPACE}${IMAGE_NAME}
        
        if [[ -z ${TARGET_IMAGE_TAG} ]]; then
          GIT_COMMIT_SHORT_SHA=${GITHUB_SHA::8}
          echo "Pushing container image to registry with commit SHA: ${GIT_COMMIT_SHORT_SHA}"
          TARGET_IMAGE_TAG=sha${GIT_COMMIT_SHORT_SHA}
        else
          SOURCE_IMAGE_TAG=sha${GIT_COMMIT_SHORT_SHA}
          echo "Synchronizing container image from registry for tag: ${SOURCE_IMAGE_TAG}"
          ${CONTAINERD_CMD} ${CONTAINERD_CMD_OPTS} pull \
            ${CONTAINERD_IMAGE_REMOTE_NAME}:${SOURCE_IMAGE_TAG}
        
          echo "Tagging container image to registry with version: ${TARGET_IMAGE_TAG}"
          ${CONTAINERD_CMD} ${CONTAINERD_CMD_OPTS} ${CONTAINERD_CMD_DEBUG_OPTS} tag \
            ${CONTAINERD_IMAGE_REMOTE_NAME}:${SOURCE_IMAGE_TAG} \
            ${CONTAINERD_IMAGE_REMOTE_NAME}:${TARGET_IMAGE_TAG}
        fi
        
        ${CONTAINERD_CMD} ${CONTAINERD_CMD_OPTS} ${CONTAINERD_CMD_DEBUG_OPTS} push \
          ${CONTAINERD_PUSH_OPTS} \
          ${IMAGE_REMOTE_NAME}:${TARGET_IMAGE_TAG}