Run with default vars:

    - hosts: all
      roles:
        - { role: ansible-telegraf }

---
- name: run the main role
  hosts: all
  become_method: su
  roles:
    - role: dj-wasabi.telegraf
      telegraf_global_tags:
        - tag_name: web
          tag_value: web_server
        - tag_name: environment
          tag_value: production
      telegraf_agent_output:
        - type: influxdb
          config:
            - urls = ["http://localhost:8086"]
            - timeout = "5s"
            - database = "mydatabases"
            - username = "myusername"
            - password = "verySecret"
      telegraf_plugins_default:
        - plugin: cpu
          config:
            - percpu = true
            - totalcpu = true
            - collect_cpu_time = false
        - plugin: disk
          config:
            - ignore_fs = ["tmpfs", "devtmpfs"]
        - plugin: io
        - plugin: mem
        - plugin: net
        - plugin: system
        - plugin: swap
        - plugin: netstat
        - plugin: processes
        - plugin: kernel
        - plugin: sysstat
          config:
            - interval = "60s"
            - sadc_path = "/usr/lib/sysstat/sadc"
      telegraf_plugins_extra:
        mysql:
          config:
            - servers = ["root:v3ryS3cr3t@tcp(localhost:3306)/"]
        memcached:
          config:
            - servers = ["localhost:11211"]
        postgresql:
          config:
            - address = "postgres://telegraf:verysecret_Password@localhost/db"