---
# ============LICENSE_START=======================================================
#  Copyright (C) 2019 The Nordix Foundation. 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.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=========================================================

- name: Get list of k8s container image tarfiles
  find:
    path: "{{ engine_workspace }}/offline/containers"
    patterns: '*.tar'
  register: container_image

# NOTE (fdegir): the user may not be member of docker group so we need root
# TODO (fdegir): we can perhaps skip loading already existing images here
- name: Load k8s container images from tarfiles
  shell: docker load < {{ item.path }}
  loop: "{{ container_image.files }}"
  changed_when: false
  become: true

# NOTE (fdegir): the escape of curly brackets in ansible is really messy unfortunately
# we also shouldn't attempt to tag and push container images that are already on local registry
# NOTE (fdegir): we do not push any image that is already on engine.local and any image without tag
- name: Get list of loaded k8s container images to push
  shell: |
    set -o pipefail
    docker images --format '{{ '{{' }}.Repository{{ '}}' }}':'{{ '{{' }}.Tag{{ '}}' }}' | grep -v '{{ server_fqdn }}\|<none>' | sort
  args:
    executable: /bin/bash
  changed_when: false
  become: true
  register: container_images

- name: Create dict of k8s container images to tag and push
  set_fact:
    container_images_dict: "{{ ( container_images_dict | default({}) ) | combine({item: item | regex_replace('.*?.io/', '')}) }}"
  loop: "{{ container_images.stdout_lines }}"

# TODO (fdegir): it is messy to use ansible module for tagging and pushing but we can still look into it
# TODO (fdegir): we can perhaps skip tagging & pushing already existing images here
- name: Tag and push k8s container images to local registry
  shell: |
    docker tag {{ item.key }} {{ server_fqdn }}/{{ item.value }}
    docker push {{ server_fqdn }}/{{ item.value }}
  with_dict: "{{ container_images_dict }}"
  changed_when: false
  become: true

# vim: set ts=2 sw=2 expandtab: