azure-pipelines.yml

trigger:
- master
- refs/tags/*

jobs: 
- job: BuildDockerImage
  pool:
    vmImage: 'Ubuntu-16.04'
  strategy:
    matrix:
      ubuntu-1604:
        ubuntu.version.dot: '16.04'
        ubuntu.version.name: '1604'
      ubuntu-1804:
        ubuntu.version.dot: '18.04'
        ubuntu.version.name: '1804'
#      ubuntu-1904:
#        ubuntu.version.dot: '19.04'
#        ubuntu.version.name: '1904'

  variables:
  - group: hwangsaeul-dockerhub

  steps:
  - bash: |
      docker build \
        -f docker/ubuntu/Dockerfile.$(ubuntu.version.dot) \
        -t hwangsaeul/h8l-ci-ubuntu-$(ubuntu.version.name) docker/ubuntu

    displayName: Build docker image

  - bash: |

      TAG=`git tag --contains`
      PARSED_TAG=`echo "$TAG" | egrep -o "^(0|[1-9][0-9]*)(\.(0|[1-9][0-9]*))+(\-[0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*)?(\+[0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*)?$"`
       
      if [ x"$PARSED_TAG" != "x" ]; then

        docker login -u $(dockerhub.id) -p $(dockerhub.passwd) $(dockerhub.host)

        docker tag \
          hwangsaeul/h8l-ci-ubuntu-$(ubuntu.version.name) \
          $(dockerhub.host)/hwangsaeul/h8l-ci-ubuntu-$(ubuntu.version.name):$PARSED_TAG

        docker tag \
          hwangsaeul/h8l-ci-ubuntu-$(ubuntu.version.name) \
          $(dockerhub.host)/hwangsaeul/h8l-ci-ubuntu-$(ubuntu.version.name):latest

        docker push \
          $(dockerhub.host)/hwangsaeul/h8l-ci-ubuntu-$(ubuntu.version.name):$PARSED_TAG

        docker push \
          $(dockerhub.host)/hwangsaeul/h8l-ci-ubuntu-$(ubuntu.version.name):latest
      fi

    condition: startsWith(variables['Build.SourceBranch'], 'refs/tags/')
    displayName: Push images to DockerHub

  - bash: |
      docker login -u $(dockerhub.id) -p $(dockerhub.passwd) $(dockerhub.host)
      SHORT_GIT_HASH=`git rev-parse --short HEAD`

      docker save \
        hwangsaeul/h8l-ci-ubuntu-$(ubuntu.version.name) | gzip > h8l-ci-ubuntu-$(ubuntu.version.name)-$SHORT_GIT_HASH.tgz
    condition: not(startsWith(variables['Build.SourceBranch'], 'refs/tags/'))
    displayName: Archiving docker image

  - task: CopyFiles@2
    condition: not(canceled())
    inputs:
      contents: '*.tgz'
      targetFolder: $(Build.ArtifactStagingDirectory)

  - task: PublishBuildArtifacts@1
    inputs:
      artifactName: $(System.JobName)
    # publishing artifacts from PRs from a fork is currently blocked
    condition: not(canceled())