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Switch to exposing prometheus-node-exporter via native Traefik labels, not via matrix-prometheus-services-proxy-connect

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This requires at least `v1.7.0-2` of the `prometheus-node-exporter`
Ansible role.
This commit is contained in:
Slavi Pantaleev
2024-01-12 17:41:48 +02:00
parent 170ebabe30
commit beb0f2387d
5 changed files with 7 additions and 43 deletions
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9
roles/custom/matrix-prometheus-services-proxy-connect/tasks/main.yml
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@ -9,15 +9,6 @@
To fix this, please change the order of roles in your playbook,
so that the matrix-nginx-proxy role would run after the matrix-prometheus-services-proxy-connect role.
- tags:
- setup-all
- setup-nginx-proxy
- install-all
- install-nginx-proxy
block:
- when: prometheus_node_exporter_enabled | bool and matrix_prometheus_services_proxy_connect_prometheus_node_exporter_metrics_proxying_enabled | bool
ansible.builtin.include_tasks: "{{ role_path }}/tasks/prometheus-node-exporter/inject_into_nginx_proxy.yml"
- tags:
- setup-all
- setup-nginx-proxy

19
roles/custom/matrix-prometheus-services-proxy-connect/tasks/prometheus-node-exporter/inject_into_nginx_proxy.yml
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@ -1,19 +0,0 @@
---
- 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 %}
}
# Injection code was here