ansible-roles/postgresql/tasks/nrpe.yml

---
- name: Generate random password for nrpe user
  command: apg -n1 -m 12 -M SCNL
  register: postgresql_nrpe_password
  changed_when: False

- name: Create nrpe user
  become: yes
  become_user: postgres
  postgresql_user:
    name: nrpe
    password: '{{ postgresql_nrpe_password.stdout }}'
    no_password_changes: yes
  register: postgresql_create_nrpe_user

- name: Add NRPE check
  lineinfile:
    name: /etc/nagios/nrpe.d/evolix.cfg
    regexp: '^command\[check_pgsql\]='
    line: 'command[check_pgsql]=/usr/lib/nagios/plugins/check_pgsql -H localhost -l nrpe -p "{{postgresql_nrpe_password.stdout}}"'
  when: postgresql_create_nrpe_user.changed
  notify: restart nagios-nrpe-server