---
# 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
      ansible.builtin.file:
        path: "{{ collection_path_default }}/ansible_collections"
        state: directory
        recurse: true

    - name: Installing required Ansible collections
      block:
        - name: Create temporary file for galaxy collection requirements
          ansible.builtin.tempfile:
          register: collection_requirements_tmpfile

        - name: Copy content into galaxy collection requirements temporary file
          vars:
            _user_collection_names: "{{ user_collections.collections | default([]) | map(attribute='name') }}"
            _default_collections: "{{ required_collections.collections | rejectattr('name', 'in', _user_collection_names) }}"
            _user_collections: "{{ user_collections.collections | default([]) | selectattr('source', 'defined') }}"
            content_var:
              collections: "{{ _default_collections + _user_collections }}"
          ansible.builtin.copy:
            content: "{{ content_var | to_nice_yaml }}"
            dest: "{{ collection_requirements_tmpfile.path }}"
            mode: "0644"

        - name: Install collection requirements with ansible galaxy # noqa: no-changed-when
          ansible.builtin.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
          ansible.builtin.debug:
            msg: "{{ collection_install.stdout_lines }}"

      always:
        - name: Clean up temporary file
          ansible.builtin.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 }}"