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Switch from matrix-prometheus-postgres-exporter to an external prometheus_postgres_exporter role

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This commit is contained in:
Slavi Pantaleev
2023-02-05 10:32:09 +02:00
parent 2d7d5d4bab
commit be78b74fbd
18 changed files with 123 additions and 254 deletions
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9
roles/custom/matrix-prometheus-services-proxy-connect/tasks/main.yml
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@ -17,3 +17,12 @@
- setup-nginx-proxy
- install-all
- install-nginx-proxy
- block:
- when: prometheus_node_exporter_enabled | bool and matrix_prometheus_services_proxy_connect_prometheus_postgres_exporter_metrics_proxying_enabled | bool
ansible.builtin.include_tasks: "{{ role_path }}/tasks/prometheus-postgres-exporter/inject_into_nginx_proxy.yml"
tags:
- setup-all
- setup-nginx-proxy
- install-all
- install-nginx-proxy

26
roles/custom/matrix-prometheus-services-proxy-connect/tasks/prometheus-postgres-exporter/inject_into_nginx_proxy.yml Normal file
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@ -0,0 +1,26 @@
---
- 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]
}}