--- # matrix-prometheus-node-exporter is an Prometheus exporter for machine metrics # See: https://prometheus.io/docs/guides/node-exporter/ matrix_prometheus_node_exporter_enabled: false matrix_prometheus_node_exporter_version: v1.3.1 matrix_prometheus_node_exporter_docker_image: "{{ matrix_container_global_registry_prefix }}prom/node-exporter:{{ matrix_prometheus_node_exporter_version }}" matrix_prometheus_node_exporter_docker_image_force_pull: "{{ matrix_prometheus_node_exporter_docker_image.endswith(':latest') }}" # A list of extra arguments to pass to the container matrix_prometheus_node_exporter_container_extra_arguments: [] # A list of extra arguments to pass to the node_exporter process # # Example: # matrix_prometheus_node_exporter_process_extra_arguments: # - "--collector.systemd" # - "--collector.logind" # # Note: the above is just an example. We have not confirmed that these collectors work when running in a container. # In fact, the systemd collector is exhibiting issues: # > caller=collector.go:169 level=error msg="collector failed" name=systemd duration_seconds=0.000121001 err="couldn't get dbus connection: dial unix /var/run/dbus/system_bus_socket: connect: no such file or directory" matrix_prometheus_node_exporter_process_extra_arguments: [] # List of systemd services that matrix-prometheus.service depends on matrix_prometheus_node_exporter_systemd_required_services_list: ['docker.service'] # List of systemd services that matrix-prometheus.service wants matrix_prometheus_node_exporter_systemd_wanted_services_list: [] # Controls whether node-exporter metrics should be proxied (exposed) on `matrix.DOMAIN/metrics/node-exporter`. # This will only work take effect if `matrix_nginx_proxy_proxy_matrix_metrics_enabled: true`. # See the `matrix-nginx-proxy` role for details about enabling `matrix_nginx_proxy_proxy_matrix_metrics_enabled`. matrix_prometheus_node_exporter_metrics_proxying_enabled: false # Controls whether the matrix-prometheus container exposes its HTTP port (tcp/9100 in the container). # # Takes an ":" value (e.g. "127.0.0.1:9100"), or empty string to not expose. # # You likely don't need to do this. See `matrix_prometheus_node_exporter_metrics_proxying_enabled`. # # Official recommendations are to run this container with `--net=host`, # but we don't do that, since it: # - likely exposes the metrics web server way too publicly (before applying https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1008) # - or listens on a loopback interface only (--net=host and 127.0.0.1:9100), which is not reachable from another container (like `matrix-prometheus`) # # Using `--net=host` and binding to Docker's `matrix` bridge network may be a solution to both, # but that's trickier to accomplish and won't necessarily work (hasn't been tested). # # Not using `--net=host` means that our network statistic reports are likely broken (inaccurate), # because node-exporter can't see all interfaces, etc. # For now, we'll live with that, until someone develops a better solution. matrix_prometheus_node_exporter_container_http_host_bind_port: ''