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# 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: v1.1.2
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: []
# 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 the matrix-prometheus container exposes its HTTP port (tcp/9100 in the container).
#
# Takes an "<ip>:<port>" value (e.g. "127.0.0.1:9100"), or empty string to not expose.
#
# 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: ''