matrix-docker-ansible-deploy/roles/custom/matrix-prometheus-services-.../tasks/prometheus-postgres-exporter/inject_into_nginx_proxy.yml

27 lines
1.6 KiB
YAML

---
- name: Generate postgres-exporter metrics proxying configuration for matrix-nginx-proxy (matrix.DOMAIN/metrics/postgres-exporter)
ansible.builtin.set_fact:
matrix_prometheus_services_proxy_connect_postgres_exporter_nginx_metrics_configuration_block: |
location /metrics/postgres-exporter {
{% if matrix_nginx_proxy_enabled | default(False) %}
{# Use the embedded DNS resolver in Docker containers to discover the service #}
resolver 127.0.0.11 valid=5s;
set $backend "{{ prometheus_postgres_exporter_identifier }}:{{ prometheus_postgres_exporter_port }}";
proxy_pass http://$backend/metrics;
{% elif matrix_prometheus_services_proxy_connect_prometheus_postgres_exporter_matrix_nginx_proxy_not_enabled_proxy_pass_host != '' %}
proxy_pass http://{{ matrix_prometheus_services_proxy_connect_prometheus_postgres_exporter_matrix_nginx_proxy_not_enabled_proxy_pass_host }}/metrics;
{% else %}
return 404 "matrix-nginx-proxy is disabled and no host port was bound to the container, so metrics are unavailable";
{% endif %}
}
- name: Register postgres-exporter metrics proxying configuration with matrix-nginx-proxy (matrix.DOMAIN/metrics/postgres-exporter)
ansible.builtin.set_fact:
matrix_nginx_proxy_proxy_matrix_metrics_additional_system_location_configuration_blocks: |
{{
matrix_nginx_proxy_proxy_matrix_metrics_additional_system_location_configuration_blocks | default([])
+
[matrix_prometheus_services_proxy_connect_postgres_exporter_nginx_metrics_configuration_block]
}}