anu-telegraf.yml

---
- name: Install and configure telegraf client
  hosts: "{{ variable_host | default('anu-local') }}"
  become: yes
  vars_files:
  - vars/default.yml

  tasks:
    - name: Install dependencies
      apt:
        pkg:
        - apt-transport-https
        update_cache: yes
      environment:
        DEBIAN_FRONTEND: noninteractive

    - name: Telegraf repository key
      apt_key:
        url: https://repos.influxdata.com/influxdb.key
        keyring: /etc/apt/trusted.gpg.d/telegraf.gpg
        state: present

    - name: Telegraf repository
      apt_repository:
        repo: "deb https://repos.influxdata.com/ubuntu {{ ansible_distribution_release }} stable"
        state: present
        filename: telegraf
      register: repo_telegraf

    - name: Update cache
      apt:
        update_cache: yes
      when: repo_telegraf.changed
      
    - name: Telegraf packages
      apt:
        name:
          - telegraf
        state: present
      register: install_telegraf

    - name: Template configfile
      template:
        src: templates/telegraf/telegraf.conf.j2
        dest: /etc/telegraf/telegraf.conf
        
    - name: Enable and start Telegraf service
      service:
        name: telegraf
        state: started
        enabled: yes
      register: start_telegraf