.gitlab-ci.yml

#
# Copyright 2020-present, Nuance, Inc. and its contributors.
# All rights reserved.
#
# This source code is licensed under the Apache Version 2.0 license found in 
# the LICENSE.md file in the root directory of this source tree.
#

# Set the tag so all the jobs in this pipeline get assigned to the appropriate runner
default:
  tags:
   - some_job_tag

stages:
  - create_build_image
  - create_target_image_content
  - create_target_image

create_build_image:
  only: 
        # Trigger this stage when a "build-x.y.z" tag is committed to the repo
    - /^build-[0-9]+\.[0-9]+\.[0-9]+/
  stage: create_build_image 
  image:
        # Use the Kaniko image
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: ["/busybox/sh"]
  script:
        # Create the full build image names including the repository and the project (if defined)
    - if [ -z "$ACR_PROJECT" ]; then export ACR_NAME="$ACR_REGISTRY/$JANUS_BUILD_IMAGE"; else export ACR_NAME="$ACR_REGISTRY/$ACR_PROJECT/$JANUS_BUILD_IMAGE"; fi
    - if [ -z "$NCR_PROJECT" ]; then export NCR_NAME="$NCR_REGISTRY/$JANUS_BUILD_IMAGE"; else export NCR_NAME="$NCR_REGISTRY/$NCR_PROJECT/$JANUS_BUILD_IMAGE"; fi
        # Create the registry credentials file that will be used by Kaniko to push the images
    - echo "{\"auths\":{\"$ACR_REGISTRY\":{\"auth\":\"$ACR_AUTH\"},\"$NCR_REGISTRY\":{\"auth\":\"$NCR_AUTH\"}}}" > /kaniko/.docker/config.json
        # The CI_COMMIT_TAG is set to the current tag by GitLab, IMAGE_TOOL is not set to force using "external" the images are tagged with the tag that 
        # has been pushed and the "latest" tag
    - /kaniko/executor --build-arg CI_COMMIT_TAG=$CI_COMMIT_TAG --context . --dockerfile Dockerfile.build 
        --destination $ACR_NAME:$CI_COMMIT_TAG
        --destination $ACR_NAME:latest
        --destination $NCR_NAME:$CI_COMMIT_TAG
        --destination $NCR_NAME:latest

create_target_image_content:
  only:
        # Trigger this stage when a "x.y.z" tag is commited to the repo
    - /^([0-9]+\.[0-9]+\.[0-9]+)/
        # Or if this is a development branch to create a development image
    - /^dev-.*$/
  stage: create_target_image_content
  image:
        # Use the Janus build imgae
    name: some.registry.com/some_project/janus_build:some_version
    entrypoint: ["/bin/bash"]
  artifacts:
    paths:
        # Define which artifact that will be used in the next stage
      - image/
    expire_in: 1 hour
  variables: 
        # Set the Janus repo and Janus version in the revision controlled script (vs in the gitlab CI/CD variables) to track the variables content
    JANUS_REPO: https://github.com/meetecho/janus-gateway.git
    JANUS_VERSION: master
  script:
        # The IMAGE_TOOL is set to "external" to ensure that the "build.sh" script does not attempt to crate the image
    - export IMAGE_TOOL=external
    - cd /image
    - ./build.sh
        # The artifacts are moved to the current project root so they are persisted by GitLab
    - mv /image $CI_PROJECT_DIR

create_target_image:
  only:
        # Trigger this stage when a "x.y.z" tag is commited to the repo
    - /^([0-9]+\.[0-9]+\.[0-9]+)/
       # Or if this is a development branch to create a development image
    - /^dev-.*$/
  stage: create_target_image
  image:
        # Use the Kaniko image
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: ["/busybox/sh"]
  script:
        # If this is a development branch commit, this branch does not have a commit tag, we set the empty commit tag with the development branch name
    - if [ -z "$CI_COMMIT_TAG" ]; then export CI_COMMIT_TAG=$CI_COMMIT_BRANCH; fi
        # Create the full target image names including the repository and the project (if defined)
    - if [ -z "$ACR_PROJECT" ]; then export ACR_NAME="$ACR_REGISTRY/$JANUS_TARGET_IMAGE"; else export ACR_NAME="$ACR_REGISTRY/$ACR_PROJECT/$JANUS_TARGET_IMAGE"; fi
    - if [ -z "$NCR_PROJECT" ]; then export NCR_NAME="$NCR_REGISTRY/$JANUS_TARGET_IMAGE"; else export NCR_NAME="$NCR_REGISTRY/$NCR_PROJECT/$JANUS_TARGET_IMAGE"; fi
        # Create the registry credentials file that will be used by Kaniko to push the images
    - echo "{\"auths\":{\"$ACR_REGISTRY\":{\"auth\":\"$ACR_AUTH\"},\"$NCR_REGISTRY\":{\"auth\":\"$NCR_AUTH\"}}}" > /kaniko/.docker/config.json
        # Use the artifacts from the previous stage ("image" folder), the images are tagged with the tag that has been pushed and the "latest" tag
    - /kaniko/executor --context ./image --dockerfile Dockerfile.exec 
        --destination $ACR_NAME:$CI_COMMIT_TAG 
        --destination $ACR_NAME:latest
        --destination $NCR_NAME:$CI_COMMIT_TAG
        --destination $NCR_NAME:latest