---
- name: Populate service facts
  ansible.builtin.service_facts:

- name: Fetch needed facts
  ansible.builtin.setup:
    gather_subset:
      - min
    filter:
      - ansible_hostname
      - ansible_nodename
  when:
    - ansible_hostname is not defined
      or ansible_nodename is not defined

- name: Check if pmrep is installed
  ansible.builtin.command: >-
    pmrep --version
  ignore_errors: true
  changed_when: false
  register: _pmrep

- name: Check if archive exists
  ansible.builtin.stat:
    path: "{{ pcp_metrics_archive }}"
  register: _pcp_archive

- name: Collect metrics when the pmlogger service is running
  when:
    - ansible_facts.services['pmlogger.service'] is defined
    - ansible_facts.services['pmlogger.service']['state'] == 'running'
    - _pmrep.rc == 0
    - _pcp_archive.stat.readable | default(false)
  block:
    - name: Collect the metrics from host
      ansible.builtin.command: >-
        pmrep
        --archive "{{ pcp_metrics_archive }}"
        --interval "{{ pcp_metrics_interval }}"
        --timestamps
        --timestamp-format '%Y-%m-%d_%H:%M:%S'
        --timezone UTC
        --output csv
        --delimiter ','
        {{ pcp_metrics_metricspec }}
      register: _pcp_metrics_pmrep
      changed_when: false

    - name: Ensure the output directory exist
      ansible.builtin.file:
        path: "{{ pcp_metrics_output_dir }}"
        state: directory
        mode: '0755'
      delegate_to: localhost

    - name: Save the collected metrics to a local file
      ansible.builtin.copy:
        content: "{{ _pcp_metrics_pmrep.stdout }}"
        dest: "{{ pcp_metrics_output_dir }}/{{ ansible_hostname }}.csv"
        mode: "0644"
      delegate_to: localhost