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Switch from matrix-prometheus-node-exporter to an external prometheus_node_exporter role

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This commit is contained in:
Slavi Pantaleev
2023-01-21 11:07:04 +02:00
parent 5f7ed722f6
commit 9ed2e04d80
16 changed files with 104 additions and 208 deletions
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26
roles/custom/matrix-prometheus-services-proxy-connect/tasks/prometheus-node-exporter/inject_into_nginx_proxy.yml Normal file
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@ -0,0 +1,26 @@
---
- name: Generate node-exporter metrics proxying configuration for matrix-nginx-proxy (matrix.DOMAIN/metrics/node-exporter)
ansible.builtin.set_fact:
matrix_prometheus_services_proxy_connect_node_exporter_nginx_metrics_configuration_block: |
location /metrics/node-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 $backend "{{ prometheus_node_exporter_identifier }}:9100";
proxy_pass http://$backend/metrics;
{% elif matrix_prometheus_services_proxy_connect_prometheus_node_exporter_matrix_nginx_proxy_not_enabled_proxy_pass_host != '' %}
proxy_pass http://{{ matrix_prometheus_services_proxy_connect_prometheus_node_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 node-exporter metrics proxying configuration with matrix-nginx-proxy (matrix.DOMAIN/metrics/node-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_node_exporter_nginx_metrics_configuration_block]
}}