---
# Copyright 2016, Walmart Stores, 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.

- block:
    - name: Add rabbitmq gpg-keys
      rpm_key:
        state: present
        key: "{{ item.keyserver }}/{{ item.key_name }}"
      register: add_keys
      until: add_keys is success
      retries: 5
      delay: 2
      with_items: "{{ rabbitmq_gpg_keys }}"
      tags:
        - rabbitmq-gpg-keys

  rescue:
    - name: Add rabbitmq gpg-keys using fallback keyserver
      rpm_key:
        state: present
        key: "{{ item.fallback_keyserver }}/{{ item.key_name }}"
      register: add_keys_fallback
      until: add_keys_fallback is success
      retries: 5
      delay: 2
      with_items: "{{ rabbitmq_gpg_keys }}"
      when:
        - item.fallback_keyserver is defined
      tags:
        - rabbitmq-gpg-keys

- name: Install RabbitMQ yum mirror
  yum_repository:
    name: "{{ rabbitmq_repo.name }}"
    file:  "{{ rabbitmq_repo.filename | default(omit) }}"
    description: "{{ rabbitmq_repo.description | default(omit) }}"
    baseurl: "{{ rabbitmq_repo.baseurl }}"
    repo_gpgcheck: "{{ rabbitmq_repo.repo_gpgcheck | default(omit) }}"
    gpgcheck: "{{ rabbitmq_repo.gpgcheck | default(omit) }}"
    state: "{{ rabbitmq_repo.state }}"
    gpgkey: "{{ rabbitmq_repo.gpgkey | default(omit) }}"
    sslverify: "{{ rabbitmq_repo.sslverify | default(omit) }}"
    sslcacert: "{{ rabbitmq_repo.sslcacert | default(omit) }}"
  when:
    - rabbitmq_install_method == 'external_repo'
  tags:
    - rabbitmq-repos

- name: Install erlang yum mirror
  yum_repository:
    name: "{{ rabbitmq_erlang_repo.name }}"
    file:  "{{ rabbitmq_erlang_repo.filename | default(omit) }}"
    description: "{{ rabbitmq_erlang_repo.description | default(omit) }}"
    baseurl: "{{ rabbitmq_erlang_repo.baseurl }}"
    repo_gpgcheck: "{{ rabbitmq_erlang_repo.repo_gpgcheck | default(omit) }}"
    gpgcheck: "{{ rabbitmq_erlang_repo.gpgcheck | default(omit) }}"
    state: "{{ rabbitmq_erlang_repo.state }}"
    gpgkey: "{{ rabbitmq_erlang_repo.gpgkey | default(omit) }}"
    sslverify: "{{ rabbitmq_erlang_repo.sslverify | default(omit) }}"
    sslcacert: "{{ rabbitmq_erlang_repo.sslcacert | default(omit) }}"
  when:
    - rabbitmq_install_method == 'external_repo'
  tags:
    - rabbitmq-repos

- name: Enable and set erlang repo priority
  command: |
    yum-config-manager
      --enable {{ item.name }}
      --setopt="{{ item.name }}.priority={{ item.priority }}"
  changed_when: false
  with_items:
    - name: "{{ rabbitmq_repo.name }}"
      priority: 40
    - name: "{{ rabbitmq_erlang_repo.name }}"
      priority: 40
  tags:
    - rabbitmq-repos

- name: Install yum versionlock plugin
  package:
    name: "yum-plugin-versionlock"
    state: "{{ rabbitmq_package_state }}"
  tags:
    - rabbitmq-yum-packages

- name: Gather a list of the currently locked versions
  command: yum versionlock list
  args:
    warn: no
  register: yum_versionlock_list
  tags:
    - rabbitmq-yum-packages

- name: Lock package versions
  shell: |
    yum versionlock delete {{ item.pkg_name }}
    yum versionlock add {{ item.pkg_spec }}
  args:
    warn: no
  when:
    - item.pkg_spec not in yum_versionlock_list.stdout
  with_items:
    - pkg_name: 'erlang'
      pkg_spec: "{{ rabbitmq_erlang_version_spec }}"
    - pkg_name: 'rabbitmq-server'
      pkg_spec: "rabbitmq-server-{{ rabbitmq_release_version }}*"
  tags:
    - rabbitmq-yum-packages

# NOTE(mhayden): With the version locks applied, this step will install
# the correct version of RabbitMQ along with the correct version of the
# all-in-one erlang package. Also, the version of dnf that comes with CentOS
# 7 doesn't have version lock support, so we must use yum here.
- name: Install RabbitMQ packages
  yum:
    name: "{{ rabbitmq_distro_packages }}"
    state: "{{ rabbitmq_package_state }}"
  register: install_rabbitmq
  tags:
    - rabbitmq-package-rpm
    - rabbitmq-yum-packages