Ansible template that uses ansible inventory data to generate file based service discovery for prometheus to scrape

file_sd_config.yml.j2

---
# Uses ansible inventory to generate file based service discovery for prometheus to scrap

{# Loop over all groups except some #}
{% for group in groups if not group in ['all', 'ungrouped', prometheus_node_exporter_group] %}
{# Loop through hosts in group, if host is part of the prom-exports group, print hostname and port #}
- targets: [{% for host in groups[group] %}{% if prometheus_node_exporter_group in hostvars[host].group_names %}'{{ host }}:{{ prometheus_node_exporter_port }}', {% endif %}{% endfor %}]
  labels:  
    job: '{{ group }}'
{% endfor %}