stages:
  - build

.docker-build: &docker-build
  stage: build
  image:
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: [ "" ]
  needs: [ ]
  variables:
    GIT_DEPTH: "1"
    TZ: "UTC"
  before_script:
    - mkdir -p /kaniko/.docker
    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"gitlab-ci-token\",\"password\":\"$CI_JOB_TOKEN\"}}}" > /kaniko/.docker/config.json
  script: |
    set -eu

    source "./common.config"
    source "./$BUILD_TYPE.config"
    
    export JOB_TIMESTAMP="$(date -D '%Y-%m-%dT%H:%M:%S%Z' -d "$CI_JOB_STARTED_AT" +'%Y%m%d-%H%M')"

    echo "Building image with"
    echo "  -> haproxy version: $HAPROXY_VER"
    echo "  -> debian codename: $DEBIAN_CODENAME"
    echo "  -> git commit hash: $CI_COMMIT_SHORT_SHA"
    echo "  -> build timestamp: $JOB_TIMESTAMP"

    export IMAGE_TAG_UNIQUE="$HAPROXY_VER-$DEBIAN_CODENAME-$CI_COMMIT_SHORT_SHA-$JOB_TIMESTAMP"
    export IMAGE_TAG_ROLLING_COMMIT="git-$CI_COMMIT_SHORT_SHA"
    export IMAGE_TAG_ROLLING_GITREF="$CI_COMMIT_REF_SLUG"

    export IMAGE_TAG_VERSIONS="$HAPROXY_VER-$DEBIAN_CODENAME"
    if [ "$CI_COMMIT_REF_NAME" != "$CI_DEFAULT_BRANCH" ]; then
      export IMAGE_TAG_VERSIONS="branch-$CI_COMMIT_REF_SLUG-$IMAGE_TAG_VERSIONS"
      echo "Git reference $CI_COMMIT_REF_NAME is not the default branch. Rewriting git rolling tag as $IMAGE_TAG_VERSIONS"
    fi

    export IMAGE_PATH="$CI_REGISTRY_IMAGE/$BUILD_TYPE"
    
    echo "***"
    echo "Will build and push image as:"
    echo "- $IMAGE_PATH:$IMAGE_TAG_UNIQUE"
    echo "- $IMAGE_PATH:$IMAGE_TAG_ROLLING_COMMIT"
    echo "- $IMAGE_PATH:$IMAGE_TAG_ROLLING_GITREF"
    echo "- $IMAGE_PATH:$IMAGE_TAG_VERSIONS"
    echo "***"

    (
      set -x;
      /kaniko/executor \
        --single-snapshot \
        --context     . \
        --dockerfile  Dockerfile \
        --build-arg   "DEBIAN_CODENAME=$DEBIAN_CODENAME" \
        --build-arg   "QUICTLS_SOURCE=$QUICTLS_SOURCE" \
        --build-arg   "HAPROXY_SOURCE_REPO=$HAPROXY_SOURCE_REPO" \
        --build-arg   "HAPROXY_SOURCE_BRANCH=$HAPROXY_SOURCE_BRANCH" \
        --destination "$IMAGE_PATH:$IMAGE_TAG_UNIQUE" \
        --destination "$IMAGE_PATH:$IMAGE_TAG_ROLLING_COMMIT" \
        --destination "$IMAGE_PATH:$IMAGE_TAG_ROLLING_GITREF" \
        --destination "$IMAGE_PATH:$IMAGE_TAG_VERSIONS"
    )

mainline:
  <<: *docker-build
  variables:
    BUILD_TYPE: mainline

nightly:
  <<: *docker-build
  variables:
    BUILD_TYPE: nightly