network/roles/exit/tasks/dhcp.yml

# TODO rewrite task and templates into something sane once the old DHCP server is retired
- set_fact:
    dhcp_servers: '{{ prefixes | selectattr("custom_fields.dhcp_server") | groupby(attribute="custom_fields.dhcp_server.address") }}'

- name: Install keepalived
  import_tasks: keepalived.yml

- name: Configure DHCP relays
  template:
    dest: '/etc/default/isc-dhcp-relay-{{ prefixes | selectattr("prefix", "==", item.0 | ipaddr("network/prefix")) | map(attribute="vrf.name") | first }}'
    src: isc-dhcp-relay.j2
  loop: '{{ dhcp_servers }}'
  loop_control:
    label: "{{ item.0 }}"
  notify: restart keepalived

- name: Set up keepalived
  template:
    dest: /etc/keepalived/keepalived.conf
    src: keepalived.conf.j2
    mode: 0600
  notify: restart keepalived

- name: Enable keepalived
  service:
    name: keepalived
    enabled: yes
    state: started