# In CI environment we expect the Images to already be build and published to a remote registry
# We need to docker load them into the kind registry and reference these resources
# The referenced resources can then be deployed by the Helm Chart

load('ext://helm_resource', 'helm_resource', 'helm_repo')

def docker_load(name, existing_ref=None, deps=None):
    if not name:
        fail('name must be specified')
    if not existing_ref:
        fail('existing_tag must be specified')
    return custom_build(name,
                        'echo "Pulling {EXISTING_REF} into local docker cache" && \
                        docker pull "{EXISTING_REF}" && \
                        echo "Tagging {EXISTING_REF} as $EXPECTED_REF" && \
                        docker tag "{EXISTING_REF}" "$EXPECTED_REF"'.format(EXISTING_REF=existing_ref),
                        deps=deps)

def speckle_image(package,original_package_name=None,image_prefix='localhost:5000'):
    if not package:
        fail('package must be specified')
    if not original_package_name:
        original_package_name = package

    image_version_tag = os.getenv('IMAGE_VERSION_TAG')
    if not image_version_tag:
        image_version_tag=os.getenv('CIRCLE_SHA1')
    if not image_version_tag:
        fail('IMAGE_VERSION_TAG or CIRCLE_SHA1 must be specified.')

    workspace='/tmp/ci/workspace'

    docker_image_tag = 'speckle/speckle-{}'.format(package)
    original_docker_image_tag = '{}/speckle-{}'.format(image_prefix,original_package_name)
    existing_ref = '{}:{}'.format(original_docker_image_tag, image_version_tag)
    return docker_load(docker_image_tag,
                        existing_ref=existing_ref,
                        deps=[workspace])