ansible-role-server/tasks/telegraf.yml

---
# Server/Telegraf: Install and Setup Telegraf Monitoring

# Install
- name: Telegraf - Install telegraf
  ansible.builtin.include_tasks: "{{ item }}"
  with_first_found:
    - "telegraf-{{ ansible_distribution }}.{{ ansible_distribution_release }}.yml"
    - "telegraf-{{ ansible_distribution }}.yml"
    - "telegraf-{{ (override_os_family is defined) | ternary(override_os_family, ansible_os_family) }}.yml"

# Install SNMP MIBs
- name: Telegraf - Install SNMP MIBs
  when: telegraf_ubnt_ns_ips is defined
  become: true
  block:
    - name: SNMP - Download and install Ubiquiti MIB
      ansible.builtin.copy:
        src: "{{ role_path }}/files/UBNT-MIB.txt"
        dest: /usr/share/snmp/mibs/UBNT-MIB
    - name: SNMP - Download and install Ubiquiti MIB
      ansible.builtin.copy:
        src: "{{ role_path }}/files/UBNT-AirMAX-MIB.txt"
        dest: /usr/share/snmp/mibs/UBNT-AirMAX-MIB
    - name: SNMP - Download and install UniFi MIB
      ansible.builtin.copy:
        src: "{{ role_path }}/files/UBNT-UniFi-MIB.txt"
        dest: /usr/share/snmp/mibs/UBNT-UniFi-MIB
    - name: SNMP - Setup snmp.conf
      ansible.builtin.lineinfile:
        name: /etc/snmp/snmp.conf
        line: mibs +ALL
        create: yes

# Configure
- name: Telegraf - Copy telegraf config (Linux)
  when: (override_os_family is defined) | ternary(override_os_family, ansible_os_family) != "FreeBSD"
  become: true
  ansible.builtin.template:
    src: "{{ role_path }}/templates/telegraf.conf.j2"
    dest: /etc/telegraf/telegraf.conf

- name: Telegraf - Copy telegraf config (FreeBSD)
  when: (override_os_family is defined) | ternary(override_os_family, ansible_os_family) == "FreeBSD"
  become: true
  ansible.builtin.template:
    src: "{{ role_path }}/templates/telegraf.conf.j2"
    dest: /usr/local/etc/telegraf.conf

- name: Telegraf - Enable and restart telegraf
  become: true
  ansible.builtin.service:
    name: telegraf
    state: restarted
    enabled: true