# - name: server | telegraf | remove repo
#   file:
#     path: "/etc/apt/sources.list.d/influxdata.list"
#     state: absent


# curl --silent --location -O https://repos.influxdata.com/influxdata-archive.key
# gpg --show-keys --with-fingerprint --with-colons ./influxdata-archive.key 2>&1 \
#     | grep -q '^fpr:\+24C975CBA61A024EE1B631787C3D57159FC2F927:$' \
#     && cat influxdata-archive.key \
#     | gpg --dearmor \
#     | sudo tee /etc/apt/keyrings/influxdata-archive.gpg > /dev/null \
#     && echo 'deb [signed-by=/etc/apt/keyrings/influxdata-archive.gpg] https://repos.influxdata.com/debian stable main' \
#     | sudo tee /etc/apt/sources.list.d/influxdata.list
# sudo apt-get update && sudo apt-get install telegraf



- name: server | telegraf | download key
  ansible.builtin.uri:
    url: "https://repos.influxdata.com/influxdata-archive.key"
    dest: "/tmp/influxdata.key"
    creates: "/tmp/influxdata.key"

- name: server | telegraf | verify and import key
  ansible.builtin.shell:
    cmd: "gpg --show-keys --with-fingerprint --with-colons /tmp/influxdata.key 2>&1 | grep -q '^fpr:\\+9D539D90D3328DC7D6C8D3B9D8FF8E1F7DF8B07E:$' && cat /tmp/influxdata.key | gpg --dearmor | tee /etc/apt/keyrings/influxdata.gpg > /dev/null"
    creates: "/etc/apt/trusted.gpg.d/influxdata.gpg"

- name: server | telegraf | add repository
  ansible.builtin.shell:
    cmd: "echo 'deb [signed-by=/etc/apt/trusted.gpg.d/influxdata.gpg] https://repos.influxdata.com/debian stable main' | tee /etc/apt/sources.list.d/influxdata.list"
    creates: "/etc/apt/sources.list.d/influxdata.list"

- name: server | telegraf | install telegraf
  ansible.builtin.apt:
    name: "telegraf"
    state: latest
    update_cache: yes

- name: server | telegraf | copy basic config
  ansible.builtin.copy:
    dest: "/etc/telegraf/telegraf.d/{{ item | basename }}"
    src: "{{ item }}"
  with_fileglob:
    - "telegraf.d/*.conf"
  notify: restart_telegraf

- name: Configure telegraf agent hostname
  tags: telegraf
  ansible.builtin.lineinfile:
    path: /etc/telegraf/telegraf.conf
    regexp: '^\s*#?\s*hostname\s*='
    line: '  hostname = "{{ ansible_fqdn }}"'
    owner: root
    group: root
    mode: '0644'
  notify: restart_telegraf
  when: ansible_distribution in ["Debian", "Ubuntu", "Linux Mint"]

- name: Configure telegraf agent interval
  tags: telegraf
  ansible.builtin.lineinfile:
    path: /etc/telegraf/telegraf.conf
    regexp: '^\s*#?\s*interval\s*='
    line: '  interval = "{{ telegraf_agent_interval }}"'
    owner: root
    group: root
    mode: '0644'
  notify: restart_telegraf
  when: ansible_distribution in ["Debian", "Ubuntu", "Linux Mint"]

- name: Configure telegraf agent flush_interval
  tags: telegraf
  ansible.builtin.lineinfile:
    path: /etc/telegraf/telegraf.conf
    regexp: '^\s*#?\s*flush_interval\s*='
    line: '  flush_interval = "{{ telegraf_agent_flush_interval }}"'
    owner: root
    group: root
    mode: '0644'
  notify: restart_telegraf
  when: ansible_distribution in ["Debian", "Ubuntu", "Linux Mint"]

- name: Configure telegraf agent flush_jitter
  tags: telegraf
  ansible.builtin.lineinfile:
    path: /etc/telegraf/telegraf.conf
    regexp: '^\s*#?\s*flush_jitter\s*='
    line: '  flush_jitter = "{{ telegraf_agent_flush_jitter }}"'
    owner: root
    group: root
    mode: '0644'
  notify: restart_telegraf
  when: ansible_distribution in ["Debian", "Ubuntu", "Linux Mint"]

- name: Configure telegraf agent collection_jitter
  tags: telegraf
  ansible.builtin.lineinfile:
    path: /etc/telegraf/telegraf.conf
    regexp: '^\s*#?\s*collection_jitter\s*='
    line: '  collection_jitter = "{{ telegraf_agent_collection_jitter }}"'
    owner: root
    group: root
    mode: '0644'
  notify: restart_telegraf
  when: ansible_distribution in ["Debian", "Ubuntu", "Linux Mint"]

- name: Configure telegraf agent metric_batch_size
  tags: telegraf
  ansible.builtin.lineinfile:
    path: /etc/telegraf/telegraf.conf
    regexp: '^\s*#?\s*metric_batch_size\s*='
    line: '  metric_batch_size = "{{ telegraf_agent_metric_batch_size }}"'
    owner: root
    group: root
    mode: '0644'
  notify: restart_telegraf
  when: ansible_distribution in ["Debian", "Ubuntu", "Linux Mint"]

- name: Configure telegraf agent metric_buffer_limit
  tags: telegraf
  ansible.builtin.lineinfile:
    path: /etc/telegraf/telegraf.conf
    regexp: '^\s*#?\s*metric_buffer_limit\s*='
    line: '  metric_buffer_limit = "{{ telegraf_agent_metric_buffer_limit }}"'
    owner: root
    group: root
    mode: '0644'
  notify: restart_telegraf
  when: ansible_distribution in ["Debian", "Ubuntu", "Linux Mint"]

- name: Configure telegraf agent round_interval
  tags: telegraf
  ansible.builtin.lineinfile:
    path: /etc/telegraf/telegraf.conf
    regexp: '^\s*#?\s*round_interval\s*='
    line: '  round_interval = "{{ telegraf_agent_round_interval }}"'
    owner: root
    group: root
    mode: '0644'
  notify: restart_telegraf
  when: ansible_distribution in ["Debian", "Ubuntu", "Linux Mint"]

- name: server | telegraf | create systemd override directory for telegraf
  ansible.builtin.file:
    path: /etc/systemd/system/telegraf.service.d
    state: directory
    mode: '0755'

- name: server | telegraf | define systemd-limits
  ansible.builtin.template:
    src: telegraf-override.j2
    dest: /etc/systemd/system/telegraf.service.d/override.conf
  notify:
    - reload_systemd
    - restart_telegraf