---
# Copyright 2014, Rackspace US, Inc.
#
# 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: Download the RabbitMQ package
  get_url:
    url: "{{ rabbitmq_package_url }}"
    dest: "{{ rabbitmq_package_path }}"
    mode: "0644"
    checksum: "sha256:{{ rabbitmq_package_sha256 }}"
  register: package_download
  retries: 3
  delay: 10
  until: package_download is success
  when: rabbitmq_install_method == 'file'
  tags:
    - rabbitmq-package-deb
    - rabbitmq-package-deb-get
    - rabbitmq-package-rpm
    - rabbitmq-package-rpm-get

- name: Manage /etc/hosts files
  block:
    - name: Fail if hosts file is not managed yet
      command: grep "OPENSTACK-ANSIBLE MANAGED BLOCK" /etc/hosts
      changed_when: false
  rescue:
    - name: Rescue failure and add required records
      lineinfile:
        dest: /etc/hosts
        state: present
        line: "{{ item.address }} {{ item.hostnames | join(' ') }}"
      with_items: "{{ rabbitmq_hosts_entries }}"
  always:
    - name: Ensure localhost /etc/hosts entry is correct
      lineinfile:
        dest: /etc/hosts
        state: present
        line: '127.0.0.1 localhost'
        regexp: '^127\.0\.0\.1'
    - name: Remove hostname record for 127.0.1.1
      replace:
        path: /etc/hosts
        regexp: '^(127\.0\.1\.1)\s*(\S*)\s*({{ ansible_facts["hostname"] }})($|\s.*)'
        replace: '\1 \2 \4'
  when:
    - rabbitmq_manage_hosts_entries | bool
  tags:
    - rabbitmq-config

- name: Create the system group
  group:
    name: "{{ rabbit_system_group_name }}"
    state: "present"
    system: "yes"

- name: Create the rabbit system user
  user:
    name: "{{ rabbit_system_user_name }}"
    group: "{{ rabbit_system_group_name }}"
    comment: "RabbitMQ messaging server"
    shell: "/bin/false"
    system: "yes"
    createhome: "yes"
    home: "/var/lib/rabbitmq"

- name: Create the local directories
  file:
    path: "/etc/rabbitmq/"
    state: "directory"
    group: "{{ rabbit_system_user_name }}"
    owner: "{{ rabbit_system_group_name }}"
    mode: "0755"
  tags:
    - rabbitmq-config