add proxmox exporter

handlers/main.yml

@@ -88,3 +88,10 @@
     state: restarted
     enabled: yes
   tags: ['prometheus']
+
+- name: 'prometheus | proxmox exporter | restart service'
+  systemd:
+    name: prometheus-proxmox-exporter.service
+    state: restarted
+    enabled: yes
+  tags: ['prometheus']

tasks/exporter/proxmox.yml

@@ -0,0 +1,48 @@
+---
+- name: 'proxmox exporter | check vars are defined'
+  assert:
+    that:
+      - prometheus_proxmox_exporter_user is defined
+      - prometheus_proxmox_exporter_password is defined
+      - prometheus_proxmox_exporter_node is defined
+  tags: ['prometheus_proxmox']
+
+- name: 'proxmox exporter | install package through pip3'
+  pip:
+    name:
+      - prometheus-pve-exporter
+    executable: pip3
+  tags: ['prometheus_proxmox']
+
+- name: 'proxmox exporter | configuration'
+  template:
+    src: conf/prometheus-proxmox-exporter.j2
+    dest: /etc/default/prometheus-proxmox-exporter
+    owner: root
+    group: root
+    mode: 0600
+  register: prometheus_postgres_exporter_configuration
+  notify:
+    - 'prometheus | proxmox exporter | restart service'
+  tags: ['prometheus_proxmox']
+
+- name: 'promox exporter | systemd | copy unit file'
+  template:
+    src: systemd/prometheus-promox-exporter.service.j2
+    dest: /etc/systemd/system/prometheus-promox-exporter.service
+    owner: root
+    group: root
+    mode: 0600
+  notify:
+    - 'prometheus | promox exporter | restart service'
+  when: not stat_result.stat.exists or exporter_upgrade == "yes"
+  tags: ['prometheus_proxmox']
+
+- name: 'promox exporter | systemd | enable service'
+  systemd:
+    daemon_reload: yes
+    enabled: yes
+    name: prometheus-{{ exporter }}-exporter.service
+  ignore_errors: '{{ ansible_check_mode }}'
+  when: not stat_result.stat.exists or exporter_upgrade == "yes"
+  tags: ['prometheus_proxmox']

templates/conf/prometheus-proxmox-exporter.j2

@@ -0,0 +1,5 @@
+# {{ ansible_managed }}
+default:
+    user: {{ prometheus_proxmox_exporter_user }}
+    password: {{ prometheus_proxmox_exporter_password }}
+    verify_ssl: {{ prometheus_proxmox_exporter_verify_ssl | default('false') }}

templates/conf/prometheus.yml.j2

@@ -387,3 +387,20 @@ scrape_configs:
         regex: '(.*):8082'
         replacement: '${1}'
 {% endif %}
+
+{% if prometheus_pve_exporter_targets is defined %}
+  # proxmox #
+  - job_name: pve
+    scrape_interval: 30s
+    static_configs:
+      - targets:
+{% for target in prometheus_pve_exporter_targets %}
+        - {{ target }}:9221
+{% endfor %}
+    metrics_path: /pve
+    relabel_configs:
+      - source_labels: [ __address__ ]
+        target_label: instance
+        regex: '(.*):9221'
+        replacement: '${1}'
+{% endif %}

templates/systemd/prometheus-proxmox-exporter.service.j2

@@ -0,0 +1,11 @@
+[Unit]
+Description=Proxmox VE Prometheus Exporter
+After=network.target
+Wants=network.target
+
+[Service]
+Restart=on-failure
+ExecStart=/usr/local/bin/pve_exporter /etc/default/prometheus-pve-exporter {{ prometheus_proxmox_exporter_port | default('9221') }} {{ prometheus_proxmox_exporter_node }}
+
+[Install]
+WantedBy=multi-user.target