# Copyright 2015 Rackspace  All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.


def parse_docker_image(image_id):
    image_parts = image_id.split(':', 1)

    image_repo = image_parts[0]
    image_tag = None

    if len(image_parts) > 1:
        image_tag = image_parts[1]

    return image_repo, image_tag