main.yml

- name: install alertmanager
  apt:
    pkg: prometheus-alertmanager

- name: wrtie alertmanager service config
  notify: restart alertmanager
  template:
    src: prometheus-alertmanager.j2
    dest: /etc/default/prometheus-alertmanager

- name: wrtie alertmanager config
  notify: restart alertmanager
  copy:
    owner: root
    group: root
    mode: 0644
    dest: /etc/prometheus/alertmanager.yml
    content: "{{ prometheus_alertmanager.config|to_nice_yaml(indent=2) }}"