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42 lines
2.1 KiB
YAML
42 lines
2.1 KiB
YAML
---
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- set_fact:
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matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-prometheus-node-exporter.service'] }}"
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when: matrix_prometheus_node_exporter_enabled|bool
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- block:
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- name: Fail if matrix-nginx-proxy role already executed
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fail:
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msg: >-
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Trying to append node-exporter's reverse-proxying configuration to matrix-nginx-proxy,
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but it's pointless since the matrix-nginx-proxy role had already executed.
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To fix this, please change the order of roles in your playbook,
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so that the matrix-nginx-proxy role would run after the matrix-prometheus-node-exporter role.
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when: matrix_nginx_proxy_role_executed|default(False)|bool
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- name: Generate node-exporter metrics proxying configuration for matrix-nginx-proxy (matrix.DOMAIN/metrics/node-exporter)
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set_fact:
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matrix_prometheus_node_exporter_nginx_metrics_configuration_block: |
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location /metrics/node-exporter {
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{% if matrix_nginx_proxy_enabled|default(False) %}
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{# Use the embedded DNS resolver in Docker containers to discover the service #}
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resolver 127.0.0.11 valid=5s;
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set $backend "matrix-prometheus-node-exporter:9100";
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proxy_pass http://$backend/metrics;
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{% else %}
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{# Generic configuration for use outside of our container setup #}
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{# This may be implemented in the future. #}
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return 404 "matrix-nginx-proxy is disabled, so metrics are unavailable";
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{% endif %}
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}
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- name: Register node-exporter metrics proxying configuration with matrix-nginx-proxy (matrix.DOMAIN/metrics/node-exporter)
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set_fact:
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matrix_nginx_proxy_proxy_matrix_metrics_additional_system_location_configuration_blocks: |
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{{
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matrix_nginx_proxy_proxy_matrix_metrics_additional_system_location_configuration_blocks|default([])
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+
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[matrix_prometheus_node_exporter_nginx_metrics_configuration_block]
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}}
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when: matrix_prometheus_node_exporter_enabled|bool and matrix_prometheus_node_exporter_metrics_proxying_enabled|bool
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