- name: Install telegraf prerequsistes
  apt:
    pkg:
    - apt-transport-https
    - curl

- name: Add influx repo key
  shell: curl -sL https://repos.influxdata.com/influxdb.key | apt-key add -

#- name: Check system version
#  shell: source /etc/os-release
#  args:
#     executable: /bin/bash
#
#- set_fact: VERSION_ID="{{ lookup('env','VERSION_ID') }}"

- name: memorize debian version variable
  shell: cat /etc/debian_version | cut -d. -f1
  register: debian_version

- set_fact:
    debian_version={{ debian_version.stdout }}

- name: add repo for debian 7
  when: "{{ debian_version }} == 7"
  shell: echo "deb https://repos.influxdata.com/debian wheezy stable" | tee /etc/apt/sources.list.d/influxdb.list

- name: add repo for debian 8
  when: "{{ debian_version }} == 8"
  shell: echo "deb https://repos.influxdata.com/debian jessie stable" | tee /etc/apt/sources.list.d/influxdb.list

- name: add repo for debian 9
  when: "{{ debian_version }} == 9"
  shell: echo "deb https://repos.influxdata.com/debian stretch stable" | tee /etc/apt/sources.list.d/influxdb.list

- name: Update repositories cache
  apt:
    update_cache: yes

- name: telegraf
  apt:
    pkg:
    - telegraf

- name: create telegraf basic config
  shell: telegraf -sample-config -input-filter cpu:mem:swap:net:netstat:disk:diskio:docker:system:processes:kernel:sysstat:conntrack:nstat:iptables:sensors -output-filter influxdb > /etc/telegraf/telegraf.conf

- name: restart telegraf
  systemd:
    state: restarted
    name: telegraf

- name: restart telegraf
  systemd:
    enabled: yes
    name: telegraf

#- name: display public key
#  vars:
#  debug: 
#    msg:
#      - 'telegraf now installed, edit /etc/telegraf/telegraf.conf adding:'
#      - '[[outputs.influxdb]]'
#      - '  urls = ["http://172.20.1.168:8086"]'
#      - '  database = "telegraf_vcn_int"'
#      - '  username = "telegraf_akari"'
#      - '  password = "FCw7izWVan8cnh3upuwxtn15pnlhjWY2"'

- name: display help next steps
  vars:
     contents: "{{ lookup('file', 'repo/telegraf_settings') }}"
  debug: msg="{{ contents.split('\n') }}"