action.yml

name: 'Build, test & push a Docker image'
description: 'Build, test & push Docker image composite action'
author: 'Gutenberg Technology'

inputs:
  build-cmd:
    description: 'Docker command for building, with all options and tag(s) target(s)'
    required: true
  test-cmd:
    description: 'container-structure-test command for test'
    required: false
    default: ""
  push-to-ecr:
    description: 'Push image to AWS ECR (or not)'
    required: false
    default: 'false'
  ecr-repo:
    description: 'ECR registry name, used for tagging and pushing'
    required: false
    default: ""
  ecr-tags-to-push:
    description: 'A comma-separated list of tags to push to ECR'
    required: false
    default: 'latest'
  aws-access-key-id:
    description: "AWS access key ID"
    required: false
  aws-secret-access-key:
    description: "AWS secret access key"
    required: false
  aws-region:
    description: "AWS region"
    required: false
    default: 'us-east-1'

# outputs:
#   pushed-image: 
#     description: "Image name built (with its tags)"
#     value: ${{ steps.push.outputs.pushed-image }} 

runs:
  using: 'composite'
  steps:
    - name: 'Build image'
      run: "${{ inputs.build-cmd }} && docker images"
      shell: bash

    - name: 'Test image with container-structure-test'
      if: inputs.test-cmd != ''
      run: |
        curl -LO https://github.com/GoogleContainerTools/container-structure-test/releases/download/v1.17.0/container-structure-test-linux-amd64
        chmod +x container-structure-test-linux-amd64
        mkdir -p $HOME/bin
        export PATH=$PATH:$HOME/bin
        mv container-structure-test-linux-amd64 $HOME/bin/container-structure-test
        ls -lha $HOME/bin
        ${{ inputs.test-cmd }}
      shell: bash

    - name: Configure AWS credentials
      if: inputs.push-to-ecr == 'true'
      uses: aws-actions/configure-aws-credentials@v2
      with:
        aws-access-key-id: ${{ inputs.aws-access-key-id }}
        aws-secret-access-key: ${{ inputs.aws-secret-access-key }}
        aws-region: ${{ inputs.aws-region }}

    - name: Login to Amazon ECR
      if: inputs.push-to-ecr == 'true'
      id: login-ecr
      uses: aws-actions/amazon-ecr-login@v2

    - name: Push image to Amazon ECR
      if: inputs.push-to-ecr == 'true'
      id: push
      run: |
        list_tags="${{ inputs.ecr-tags-to-push }}"
        for tag in $(echo $list_tags | sed "s/,/ /g")
        do
          echo "tagging ${{ inputs.ecr-repo }}:$tag -> ${{ steps.login-ecr.outputs.registry }}/${{ inputs.ecr-repo }}:$tag"
          docker tag ${{ inputs.ecr-repo }}:$tag ${{ steps.login-ecr.outputs.registry }}/${{ inputs.ecr-repo }}:$tag
        done
        docker images
        docker push --all-tags ${{ steps.login-ecr.outputs.registry }}/${{ inputs.ecr-repo }}
      shell: bash