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

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---
- name: Fail if matrix-nginx-proxy role already executed
ansible.builtin.fail:
msg: >-
Trying to append prometheus-nginxlog-exporter's configuration to matrix-nginx-proxy,
but it's pointless since the matrix-nginx-proxy role is already executed.
To fix this, please change the order of roles in your playbook to make sure that
the matrix-nginx-proxy role is run after the prometheus-nginxlog-exporter role.
when: matrix_nginx_proxy_role_executed | default(False) | bool
- name: Generate prometheus-nginxlog-exporter's metrics proxying configuration for matrix-nginx-proxy (matrix.DOMAIN/metrics/nginxlog)
ansible.builtin.set_fact:
matrix_prometheus_nginxlog_exporter_matrix_nginx_proxy_metrics_configuration_matrix_domain: |
location /metrics/nginxlog {
{# Use the embedded DNS resolver in Docker containers to discover the service #}
resolver 127.0.0.11 valid=5s;
set $backend "{{ matrix_prometheus_nginxlog_exporter_container_hostname }}:{{ matrix_prometheus_nginxlog_exporter_container_metrics_port }}";
proxy_pass http://$backend/metrics;
}
when: matrix_prometheus_nginxlog_exporter_metrics_proxying_enabled | bool and matrix_nginx_proxy_enabled | bool
- name: Register prometheus-nginxlog-exporter metrics proxying configuration with matrix-nginx-proxy (matrix.DOMAIN/metrics/nginxlog)
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_nginxlog_exporter_matrix_nginx_proxy_metrics_configuration_matrix_domain]
}}
when: matrix_prometheus_nginxlog_exporter_metrics_proxying_enabled | bool