---

- name: add prometheus user to video group for rpi GPU stats

  become: yes

  user: name="prometheus" groups="video" append="yes"

- name: install prometheus rpi-exporter

  unarchive:

    src: "{{prometheus_client_rpi_src}}"

    remote_src: yes

    dest: "/tmp/"

  notify: restart rpi_exporter

- name: install systemd service for rpi-exporter

  become: yes

  copy:

    src: "/tmp/{{prometheus_client_rpi_dest}}/rpi_exporter.service"

    remote_src: yes

    dest: "/lib/systemd/system/rpi_exporter.service"

  notify: restart rpi_exporter

- name: disable GPU temp scraping

  become: yes

  lineinfile:

    path: "/lib/systemd/system/rpi_exporter.service"

    regexp: "^ExecStart=/usr/local/bin/rpi_exporter"

    line: "ExecStart=/usr/local/bin/rpi_exporter --no-collector.gpu"

  when: not prometheus_client_rpi_collect_gpu_temp

  notify: restart rpi_exporter

- name: install rpi-exporter binary

  become: yes

  copy:

    src: "/tmp/{{prometheus_client_rpi_dest}}/rpi_exporter"

    remote_src: yes

    dest: "/usr/local/bin/rpi_exporter"

    mode: "0755"

  notify: restart rpi_exporter

- name: ensure systemd service is started

  become: yes

  systemd: name="rpi_exporter.service" enabled="yes" state="started"