ADD import roles

roles/keepalived/defaults/main.yml

@@ -0,0 +1,2 @@
+keepalived_enabled: false
+keepalived_interfaces: []

roles/keepalived/handlers/main.yml

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+---
+- name: Restart keepalived
+  systemd_service:
+    name: keepalived.service
+    state: restarted
+    enabled: true
+  when: not ansible_check_mode
+- name: Reload sysctl
+  ansible.builtin.command: sysctl --system

roles/keepalived/tasks/main.yml

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+---
+- name: Set OS dependent variables
+  include_vars: "{{ lookup('first_found', params) }}"
+  vars:
+    params:
+      files:
+        - "{{ ansible_distribution | lower }}_{{ ansible_distribution_version | lower }}.yml"
+        - "{{ ansible_distribution | lower }}_{{ ansible_distribution_major_version | lower }}.yml"
+        - "{{ ansible_distribution | lower }}.yml"
+        - "{{ ansible_os_family | lower }}.yml"
+        - "{{ ansible_system | lower }}.yml"
+      paths:
+        - "{{ role_path }}/vars"
+  ignore_errors: True
+  tags:
+    - always
+
+- name: OS is supported
+  assert:
+    that: __os_supported
+    quiet: True
+  vars:
+    __os_supported: "{{ lookup('vars', '{}_os_supported'.format(role_name)) | bool }}"
+  tags:
+    - always
+
+- name: Install required packages
+  package:
+    name: "{{ item }}"
+    state: present
+  with_items: "{{ lookup('vars', '{}_packages'.format(role_name)) | list }}"
+  tags:
+    - install
+
+- name: Install keepalived configuration
+  template:
+    src: keepalived.conf.j2
+    dest: "/etc/keepalived/keepalived.conf"
+    owner: root
+    group: root
+    mode: 0644
+  tags:
+    - configure
+  no_log: false
+  notify: Restart keepalived
+
+- name: Enable keepalived service
+  ansible.builtin.systemd_service:
+    name: keepalived.service
+    state: "{{ 'started' if keepalived_enabled else 'stopped' }}"
+    enabled: "{{ keepalived_enabled }}"
+  when: not ansible_check_mode

roles/keepalived/templates/keepalived.conf.j2

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+# {{ ansible_managed }}
+vrrp_sync_group G1 {
+    group {
+{%for iface in keepalived_interfaces %}
+        {{ iface.name }}
+{% endfor %}
+    }
+}
+
+{%for iface in keepalived_interfaces %}
+vrrp_instance {{ iface.name }} {
+    state {{ keepalived_init_state | default('BACKUP') }}
+    interface {{ iface.interface | default(iface.name) }}
+    virtual_router_id 42
+    priority {{ keepalived_host_prio }}
+    advert_int 2
+    authentication {
+        auth_type PASS
+        auth_pass {{ iface.password | default(keepalived_password) }}
+    }
+    virtual_ipaddress {
+{% for addr in iface.addresses %}
+        {{ addr }}
+{% endfor %}
+    }
+}
+{% endfor %}

roles/keepalived/vars/debian.yml

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+keepalived_os_supported: true
+keepalived_packages:
+  - keepalived

roles/keepalived/vars/main.yml

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+keepalived_os_supported: false