add rabbitmq role

roles/rabbitmq/defaults/main.yaml

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+---
+rabbitmq_package_name: rabbitmq-server
+rabbitmq_package_state: present
+
+rabbitmq_service_name: rabbitmq-server
+rabbitmq_service_state: started
+rabbitmq_service_enabled: true
+
+rabbitmq_plugins_enabled:
+  - rabbitmq_management
+  - rabbitmq_prometheus
+
+rabbitmq_etc_path: /etc/rabbitmq
+rabbitmq_var_path: /var/lib/rabbitmq
+rabbitmq_config_path: "{{ rabbitmq_etc_path }}/rabbitmq.conf"
+
+rabbitmq_erlang_cookie_path: "{{ rabbitmq_var_path }}/.erlang.cookie"
+rabbitmq_erlang_cookie_onwer: rabbitmq
+rabbitmq_erlang_cookie_group: rabbitmq
+rabbitmq_erlang_cookie_mode: "0400"
+rabbitmq_erlang_cookie: ""
+
+rabbitmq_loopback_users:
+
+# rabbitmq_cluster_formation_peer_discovery_backend: classic_config
+# rabbitmq_cluster_formation_classic_config_nodes: []
+
+rabbitmq_vm_memory_high_watermark_relative:

roles/rabbitmq/handlers/main.yaml

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+---
+- name: reload rabbitmq
+  service:
+    name: "{{ rabbitmq_service_name }}"
+    state: reloaded
+  when: rabbitmq_service_enabled
+
+- name: restart rabbitmq
+  service:
+    name: "{{ rabbitmq_service_name }}"
+    state: restarted
+  when: rabbitmq_service_enabled

roles/rabbitmq/tasks/RedHat.yaml

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+---
+- name: add erlang yum repo
+  yum_repository:
+    name: rabbitmq_erlang
+    baseurl: https://packagecloud.io/rabbitmq/erlang/el/$releasever/$basearch
+    repo_gpgcheck: yes 
+    gpgcheck: no
+    enabled: yes 
+    gpgkey: https://packagecloud.io/rabbitmq/erlang/gpgkey
+    sslverify: yes 
+    sslcacert: /etc/pki/tls/certs/ca-bundle.crt
+    metadata_expire: "300"
+    description: RabbitMQ Erlang Yum repo
+
+- name: add rabbitmq yum repo
+  yum_repository:
+    name: rabbitmq_rabbitmq-server
+    baseurl: https://packagecloud.io/rabbitmq/rabbitmq-server/el/$releasever/$basearch
+    repo_gpgcheck: true
+    gpgcheck: false
+    enabled: true
+    gpgkey: https://packagecloud.io/rabbitmq/rabbitmq-server/gpgkey
+    sslverify: true
+    sslcacert: /etc/pki/tls/certs/ca-bundle.crt
+    metadata_expire: "300"
+    description: RabbitMQ Yum repo

roles/rabbitmq/tasks/configure.yaml

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+---
+- name: configure erlang cookie
+  copy:
+    dest: "{{ rabbitmq_erlang_cookie_path }}"
+    owner: "{{ rabbitmq_erlang_cookie_onwer }}"
+    group: "{{ rabbitmq_erlang_cookie_group }}"
+    mode: "{{ rabbitmq_erlang_cookie_mode }}"
+    content: "{{ rabbitmq_erlang_cookie }}"
+  when: rabbitmq_erlang_cookie | length
+  notify: restart rabbitmq
+
+- name: configure
+  template:
+    src: rabbitmq.conf.j2
+    dest: "{{ rabbitmq_config_path }}"
+  notify: restart rabbitmq
+
+- name: register enabled plugins
+  command: rabbitmq-plugins list --enabled --minimal
+  changed_when: false
+  register: rabbitmq_enabled_plugins
+
+- name: enable plugins
+  command: "rabbitmq-plugins enable {{ item }}"
+  loop: "{{ rabbitmq_plugins_enabled }}"
+  when:
+    - item not in rabbitmq_enabled_plugins.stdout_lines[1:]
+

roles/rabbitmq/tasks/main.yaml

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+---
+- name: gather os specific variables
+  include_vars: "{{ lookup('first_found', possible_files) }}"
+  vars:
+    possible_files:
+      files:
+        - "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yaml"
+        - "{{ ansible_distribution }}.yaml"
+        - "{{ ansible_os_family }}.yaml"
+        - "default.yaml"
+      paths:
+        - vars
+
+- name: include os specific tasks
+  include_tasks: "{{ lookup('first_found', possible_files) }}"
+  vars:
+    possible_files:
+      files:
+        - "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yaml"
+        - "{{ ansible_distribution }}.yaml"
+        - "{{ ansible_os_family }}.yaml"
+        - "default.yaml"
+      paths:
+        - tasks
+
+- name: install
+  package:
+    name: "{{ rabbitmq_package_name }}"
+    state: "{{ rabbitmq_package_state }}"
+
+- name: configure
+  include: configure.yaml
+
+- name: manage service
+  service:
+    name: "{{ rabbitmq_service_name }}"
+    state: "{{ rabbitmq_service_state }}"
+    enabled: "{{ rabbitmq_service_enabled }}"

roles/rabbitmq/templates/rabbitmq.conf.j2

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+# {{ ansible_managed }}
+
+{% if rabbitmq_loopback_users %}
+loopback_users = {{ rabbitmq_loopback_users }}
+{% endif %}
+{% if rabbitmq_vm_memory_high_watermark_relative %}
+vm_memory_high_watermark.relative = {{ rabbitmq_vm_memory_high_watermark_relative }}
+{% endif %}
+{% if rabbitmq_cluster_formation_peer_discovery_backend %}
+cluster_formation.peer_discovery_backend = {{ rabbitmq_cluster_formation_peer_discovery_backend }}
+{% endif %}
+{% if rabbitmq_cluster_formation_classic_config_nodes %}
+{% for node in rabbitmq_cluster_formation_classic_config_nodes %}
+cluster_formation.classic_config.nodes.{{ loop.index }} = {{ node }}
+{% endfor %}
+{% endif %}