initial commit

README.md

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+Setup keepalived service
+
+Config example:
+
+    keepalived_config:
+      global_defs:
+        router_id: t1-dev-rabbitmq
+      vrrp_track_process:
+        haproxy:
+          process: haproxy
+          quorum: 1
+          delay: 2
+      vrrp_instance:
+        VRRP_1:
+          state: MASTER
+          virtual_router_id: 50
+          priority: "{{ ansible_default_ipv4.address.split('.')[-1][-2:] }}"
+          interface: "{{ ansible_default_ipv4.interface }}"
+          unicast_src_ip: "{{ ansible_default_ipv4.address }}"
+          unicast_peer:
+            - 10.89.10.71
+            - 10.89.10.72
+            - 10.89.10.73
+          virtual_ipaddress:
+            - "10.89.10.112/32 dev {{ ansible_default_ipv4.interface }}"
+          track_process: 
+            - haproxy
+

defaults/main.yml

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+keepalived_config_override: []
+keepalived_default_config: []
+keepalived_script_user: root

handlers/main.yaml

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+---
+- name: Restart keepalived
+  throttle: 1
+  systemd:
+    name: keepalived
+    state: restarted
+    daemon_reload: yes
+  when: "not keepalived_setup.changed or not keepalived_enable_and_start.changed"

meta/main.yml

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+dependencies: []

tasks/main.yml

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+---
+- name: Install keepalived
+  package:
+    name: keepalived
+    state: present
+  register: keepalived_setup
+
+- block:
+  - name: Merge config for keepalived
+    set_fact:
+      keepalived_config: "{{ keepalived_default_config | combine(keepalived_config, recursive=true) }}"
+
+  - name: Add keepalived config
+    template:
+      src: "keepalived.conf.j2"
+      dest: "/etc/keepalived/keepalived.conf"
+    notify:
+      - Restart keepalived
+  when: not keepalived_config_override
+
+- name: Override keepalived config
+  copy:
+    content: "{{ keepalived_config_override }}"
+    dest: "/etc/keepalived/keepalived.conf"
+  notify:
+    - Restart keepalived
+  when: keepalived_config_override
+
+- name: Enable and start keepalived service
+  systemd:
+    name: keepalived
+    state: started
+    enabled: yes
+    daemon_reload: yes
+  register: keepalived_enable_and_start

templates/keepalived.conf.j2

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+global_defs {
+{% if keepalived_config.vrrp_script is defined %}
+  enable_script_security
+  script_user {{ keepalived_script_user }}
+{% endif %}
+{% for key, value in keepalived_config.global_defs.items() %}
+{% if value | type_debug != 'list' %}
+  {{key}} {{value}}
+{% else %}
+{% for list_value in value %}
+  {{key}} {{ list_value }}
+{% endfor %}
+{% endif %}
+{% endfor %}
+}
+
+{% if keepalived_config.vrrp_script is defined %}
+{% for vrrp_script in keepalived_config.vrrp_script %}
+vrrp_script {{ vrrp_script }} {
+{% for key, value in keepalived_config.vrrp_script[vrrp_script].items() %}
+{% if value | type_debug != 'list' %}
+  {{key}} {{value}}
+{% else %}
+{% for list_value in value %}
+  {{key}} {{ list_value }}
+{% endfor %}
+{% endif %}
+{% endfor %}
+}
+{% endfor %}
+{% endif %}
+
+{% if keepalived_config.vrrp_track_process is defined %}
+{% for vrrp_track_process in keepalived_config.vrrp_track_process %}
+vrrp_track_process {{ vrrp_track_process }} {
+{% for key, value in keepalived_config.vrrp_track_process[vrrp_track_process].items() %}
+{% if value | type_debug != 'list' %}
+  {{key}} {{value}}
+{% else %}
+{% for list_value in value %}
+  {{key}} {{ list_value }}
+{% endfor %}
+{% endif %}
+{% endfor %}
+}
+{% endfor %}
+{% endif %}
+
+{% for vrrp_instance in keepalived_config.vrrp_instance %}
+vrrp_instance {{ vrrp_instance }} {
+{% for key, value in keepalived_config.vrrp_instance[vrrp_instance].items() %}
+{% if value | type_debug != 'list' %}
+  {{key}} {{value}}
+{% else %}
+  {{ key }} {
+{% if key == 'unicast_peer' %}
+{% for list_value in value %}
+    {{ list_value if list_value != ansible_default_ipv4.address }}
+{% endfor %}
+{% else %}
+{% for list_value in value %}
+    {{ list_value }}
+{% endfor %}
+{% endif %}
+  }
+{% endif %}
+{% endfor %}
+}
+{% endfor %}
+