gistfile1.txt

#!/usr/bin/env ansible-playbook

- name: Docker cluster wide tasks
  hosts: docker
  become: yes

  handlers:
    # reload config
    - name: reload alertmanager1 configuration
      uri:
        url: "{{ alertmanager1_reload_url }}"
        method: POST
    - name: reload alertmanager2 configuration
      uri:
        url: "{{ alertmanager2_reload_url }}"
        method: POST
    - name: reload alertmanager3 configuration
      uri:
        url: "{{ alertmanager3_reload_url }}"
        method: POST


  tasks:

   - name: create a network for the monitoring
     docker_network:
       name: prometheus_timescale_network
       driver: overlay

   - name: Create Alertmanager folder
     file:
       path: /srv/alertmanager
       state: directory
       owner: nobody
       group: nogroup
       mode: 0775

   - name: Create Alertmanager etc folder
     file:
       path: /srv/alertmanager/etc
       state: directory
       owner: nobody
       group: nogroup
       mode: 0775

   - name: Deploy alertmanager configuration
     template:
       src: "{{ alertmanager_config_template }}"
       dest: /srv/alertmanager/etc/alertmanager.yml
       owner: root
       mode: 0664
     notify:
       - reload alertmanager1 configuration
       - reload alertmanager2 configuration
       - reload alertmanager3 configuration

   - name: alertmanager on docker_swarm_initial_master
     run_once: True
     delegate_to: "{{ docker_swarm_initial_master }}" # could be any node
     docker_swarm_service:
       name: "{{ item.name }}"
       image: "{{ item.image }}"
       replicas: "{{ item.replicas }}"
       placement: "{{ item.placement }}"
       command: "{{ item.command }}"
       networks: "{{ item.networks }}"
       publish: "{{ item.publish }}"
       mounts: "{{ item.mounts }}"
     with_items:
       - "{{ docker_swarm_service_alertmanager }}"