action.yml

name: image-builder
description: "Triggers the run of the ADO image builder backend"
inputs:
  oidc-token:
    description: The JWT token to authenticate against Azure DevOps image builder backend
    required: true
  ado-token:
    description: The personal access token to authenticate against Azure DevOps API
    required: true
  image-name:
    description: Name of the build image
    required: true
  context:
    description: Build context to build container from
    required: false
    default: .
  dockerfile:
    description: Path to the dockerfile used to build docker image
    required: false
    default: Dockerfile
  build-args:
    description: "Additional arguments to build dockerfile. It can be used in the name=value format."
    required: false
    default: ""
  tags:
    description: "Additional tags that the image will be tagged with. Optionally you can pass the name in the format name=value which will be used by export-tags"
    required: false
    default: ""
  export-tags:
    description: Export parsed tags as build-args into dockerfile. Each tag will have format TAG_x, where x is the tag name passed along with the tag
    required: false
    default: false
  config:
    description: Path to the config file
    required: false
    default: "./configs/kaniko-build-config.yaml"
  env-file:
    description: Path to file with environment variables to be loaded in the build
    required: false
    default: ""
  dry-run:
    description: Prevent actual triggering the image builder
    required: false
    default: false

outputs:
  adoResult:
    description: The result of the ADO pipeline execution
  images:
    description: JSON array of the images built in ADO

runs:
  using: "composite"
  steps:
    - run: |
        readarray -t lines <<<"${{ inputs.build-args }}"
        result=""
        for entry in "${lines[@]}"; do
          if [[ -n "$entry" ]]; then
            result+=" --build-arg=\"$entry\""
          fi
        done
        echo "build-args=$result" >> $GITHUB_OUTPUT
      id: prepare-build-args
      shell: bash

    - run: |
        readarray -t lines <<<"${{ inputs.tags }}"
        result=""
        for entry in "${lines[@]}"; do
          if [[ -n "$entry" ]]; then
            result+=" --tag=\"$entry\""
          fi
        done
        echo "tags=$result" >> $GITHUB_OUTPUT
      id: prepare-tags
      shell: bash

    - uses: docker://europe-docker.pkg.dev/kyma-project/prod/image-builder:v20240516-f00d14e6
      with:
        args: --name=${{ inputs.image-name }} --context=${{ inputs.context }} --dockerfile=${{ inputs.dockerfile }} --azure-access-token=${{ inputs.ado-token }} --oidc-token=${{ inputs.oidc-token }} ${{ steps.prepare-build-args.outputs.build-args }} ${{ steps.prepare-tags.outputs.tags }} --export-tags=${{ inputs.export-tags }} --config=${{ inputs.config }} --env-file=${{ inputs.env-file }} --build-in-ado=true