---

- name: install prometheus node exporter
  become: yes
  apt: name="prometheus-node-exporter"

- name: ensure prometheus node exporter is started
  become: yes
  systemd: name="prometheus-node-exporter.service" enabled="yes" state="started"

# Optional per-service exporters, both in 26.04 apt (verified: nginx 1.5.1,
# postgres 0.19.0). Uncomment to deploy.

#   # Nginx
# - name: check if running nginx
#   stat: path="/etc/nginx/"
#   register: stat_nginx_conf

# - name: install prometheus nginx exporter
#   become: yes
#   apt: name="prometheus-nginx-exporter"
#   when: stat_nginx_conf.stat.exists

# - name: ensure prometheus nginx exporter is started
#   become: yes
#   systemd: name="prometheus-nginx-exporter.service" enabled="yes" state="started"
#   when: stat_nginx_conf.stat.exists

#   # PostgreSQL
# - name: check if running postgresql
#   stat: path="/etc/postgresql/"
#   register: stat_postgresql_conf

# - name: install prometheus postgres exporter
#   become: yes
#   apt: name="prometheus-postgres-exporter"
#   when: stat_postgresql_conf.stat.exists

# - name: ensure prometheus postgres exporter is started
#   become: yes
#   systemd: name="prometheus-postgres-exporter.service" enabled="yes" state="started"
#   when: stat_postgresql_conf.stat.exists