ansible-configz/roles/prometheus_nodexporter/tasks/main.yml

---

# Role to deploy prometheus node and add them to a prometheus server

- name: Import OS variables
  include_vars: "{{ ansible_os_family }}.yml"

- name: install node exporter
  package:
    name: "{{ prometheus_exporter_package }}"
    state: latest
  notify: enable exporter

- import_tasks: debian.yml
  when: ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu'
- import_tasks: redhat.yml
  when: ansible_distribution == 'CentOS' or ansible_distribution == 'CloudLinux' or ansible_distribution == 'Virtuozzo'

- name: import discovery file to server
  template:
    src: sd_file.yml.j2
    dest: "{{ prometheus_sd_directory }}/{{ ansible_nodename }}.yml"
  delegate_to: "{{ prometheus_server }}"

- name: add nodename to server hosts
  lineinfile:
    path: /etc/hosts
    regexp: '{{ prometheus_exporter_listen_address }} {{ ansible_nodename }}'
    state: present
    line: '{{ prometheus_exporter_listen_address }} {{ ansible_nodename }}'
  delegate_to: "{{ prometheus_server }}"
  when: prometheus_exporter_listen_address is defined and prometheus_exporter_listen_address != "0.0.0.0"
  notify: reload server