ansible/group_vars/prom/prometheus/keepalived.yml

---
prometheus__rules_keepalived:
  - alert: KeepalivedVrrpFault
    expr:
      keepalived_vrrp_state{state="fault"} > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      Instance: !unsafe "{{ $labels.instance }}"
  - alert: KeepalivedMasterChange
    expr:
      changes(
        keepalived_vrrp_state{
          keepalived_vvrp_state="master"
        }[1m]
      ) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      Instance: !unsafe "{{ $labels.instance }}"
...