---
# Copyright 2020 BBC R&D.
#
# 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.

- name: Clone collections ansible-collection-requirements
  hosts: localhost
  connection: local
  user: root
  gather_facts: false
  tasks:
    - name: Ensure the default collections directory exists
      file:
        path: "{{ collection_path_default }}/ansible_collections"
        state: directory
        recurse: yes

    - name: Read the list of user collections
      set_fact:
        user_collection_names: "{{ user_collections.collections | default([]) | map(attribute='name') | list }}"

    - name: Get Zuul cloned repos path in CI
      set_fact:
        zuul_src_path: "{{ lookup('env', 'ZUUL_SRC_PATH') }}"

    - name: Generate a list of required collections excluding user overridden collections
      set_fact:
        galaxy_collections_list : "{{ (galaxy_collections_list | default([])) + [ item ] }}"
      when:
        - item.name not in user_collection_names
      with_items: "{{ required_collections.collections }}"

    - name: Append user collections to filtered required collections
      set_fact:
        galaxy_collections_list: "{{ (galaxy_collections_list | default([])) + [ item ] }}"
      with_items: "{{ user_collections.collections }}"
      when:
        - user_collections.collections is defined

    - name: Check the Zuul src dir for cloned collections
      stat:
        path: "{{ zuul_src_path }}/{{ item.source.split('/')[2:] | join('/') | split('#') | first }}"
        get_attributes: no
        get_checksum: no
        get_mime: no
      register: zuul_collections
      with_items: "{{ galaxy_collections_list }}"

    - name: Override paths for zuul hosted collections in CI
      vars:
        zuul_item:
          name: "{{ item.item.name }}"
          source: "{{ zuul_src_path }}/{{ item.item.source.split('/')[2:] | join('/') | replace('#', '') }}"
          type: "dir"
      set_fact:
        galaxy_collections_list_ci: "{{ galaxy_collections_list_ci | default([]) + [ (item.stat.exists | ternary(zuul_item, item.item)) ] }}"
      with_items: "{{ zuul_collections.results }}"

    - name: Create temporary file for galaxy collection requirements
      tempfile:
      register: collection_requirements_tmpfile

    - name: Copy content into galaxy collection requirements temporary file
      vars:
        content_var:
          collections: "{{ galaxy_collections_list_ci }}"
      copy:
        content: "{{ content_var | to_nice_yaml }}"
        dest: "{{ collection_requirements_tmpfile.path }}"

    - name: Install collection requirements with ansible galaxy
      command: >
        /opt/ansible-runtime/bin/ansible-galaxy collection install --force
        -r "{{ collection_requirements_tmpfile.path }}"
        -p "{{ collection_path_default }}"
      register: collection_install
      until: collection_install is success
      retries: 5
      delay: 2

    - name: Show collection install output
      debug: msg="{{ collection_install.stdout.split('\n') }}"

    - name: Clean up temporary file
      file:
        path: "{{ collection_requirements_tmpfile.path }}"
        state: absent

  vars:
    collection_file: "{{ playbook_dir }}/../ansible-collection-requirements.yml"
    required_collections: "{{ lookup('file', collection_file) | from_yaml }}"
    collection_path_default: '/etc/ansible/'
    user_collection_file: 'user-collection-requirements.yml'
    user_collections: "{{ lookup('file', user_collections_path, errors='ignore')|default([], true) | from_yaml }}"
    user_collections_path: "{{ lookup('env', 'OSA_CONFIG_DIR') | default('/etc/openstack_deploy', true) ~ '/' ~ user_collection_file }}"