.gitlab-ci.yml

stages:
  - build
  - publish

before_script:
  - export BRANCH_NAME=${BRANCH_NAME:-master}
  - export DOCKER_REPOSITORY="canyan/janus-gateway"
  - export DOCKER_TAG=${DOCKER_TAG:-$BRANCH_NAME}
  - export DOCKER_IMAGE=$DOCKER_REPOSITORY:$DOCKER_TAG

build:
  image: docker
  stage: build
  services:
    - docker:dind
  script:
    - apk add git
    - git clone https://github.com/meetecho/janus-gateway.git --branch $BRANCH_NAME
    - cd janus-gateway
    - export BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')
    - export GIT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
    - export GIT_COMMIT=$(git rev-parse HEAD)
    - export VERSION=$(git name-rev --tags --name-only $GIT_COMMIT | cut -d"^" -f1 | sed -e 's/^v//g')
    - echo "BUILD_DATE=${BUILD_DATE} GIT_BRANCH=${GIT_BRANCH} GIT_COMMIT=${GIT_COMMIT} VERSION=${VERSION}"
    - docker build -f ../Dockerfile -t $DOCKER_IMAGE --no-cache=true --build-arg BUILD_DATE=${BUILD_DATE} --build-arg GIT_BRANCH=${GIT_BRANCH} --build-arg GIT_COMMIT=${GIT_COMMIT} --build-arg VERSION=${VERSION} .
    - docker save $DOCKER_IMAGE > ../image.tar
  artifacts:
    expire_in: 2w
    paths:
      - image.tar
  tags:
    - docker

publish:
  image: docker
  stage: publish
  services:
    - docker:dind
  dependencies:
    - build
  script:
    - docker load -i image.tar
    - echo -n $DOCKER_HUB_PASSWORD | docker login -u $DOCKER_HUB_USERNAME --password-stdin
    - export GIT_BRANCH=$(docker inspect $DOCKER_IMAGE | grep git_branch | head -n1 | cut -d'"' -f4)
    - export GIT_COMMIT=$(docker inspect $DOCKER_IMAGE | grep git_commit | head -n1 | cut -d'"' -f4)
    - export VERSION=$(docker inspect $DOCKER_IMAGE | grep version | head -n1 | cut -d'"' -f4)
    - export VERSION_MAJOR=$(echo $VERSION | cut -d"." -f 1,2)
    - if [ "${GIT_BRANCH}" != "HEAD" ]; then
        echo "Tagging and uploading $DOCKER_REPOSITORY:${GIT_BRANCH}";
        docker tag $DOCKER_IMAGE $DOCKER_REPOSITORY:${GIT_BRANCH};
        docker push $DOCKER_REPOSITORY:${GIT_BRANCH};
        echo "Tagging and uploading $DOCKER_REPOSITORY:${GIT_BRANCH}_${GIT_COMMIT}";
        docker tag $DOCKER_IMAGE $DOCKER_REPOSITORY:${GIT_BRANCH}_${GIT_COMMIT};
        docker push $DOCKER_REPOSITORY:${GIT_BRANCH}_${GIT_COMMIT};
      fi
    - if [ -n "${VERSION}" ] && [ "${VERSION}" != "undefined" ]; then
        echo "Tagging and uploading $DOCKER_REPOSITORY:${VERSION}";
        docker tag $DOCKER_IMAGE $DOCKER_REPOSITORY:${VERSION};
        docker push $DOCKER_REPOSITORY:${VERSION};
        echo "Tagging and uploading $DOCKER_REPOSITORY:${VERSION_MAJOR}";
        docker tag $DOCKER_IMAGE $DOCKER_REPOSITORY:${VERSION_MAJOR};
        docker push $DOCKER_REPOSITORY:${VERSION_MAJOR};
        echo "Tagging and uploading $DOCKER_REPOSITORY:latest";
        docker tag $DOCKER_IMAGE $DOCKER_REPOSITORY:latest;
        docker push $DOCKER_REPOSITORY:latest;
      fi
  tags:
    - docker