{config, ...}: { imports = []; services.prometheus.exporters.node = { enable = true; port = 9100; # Aligned with https://git.rwth-aachen.de/fsdmath/server/prometheus/-/blob/main/node_exporter/etc/default/prometheus-node-exporter # It was compiled along the following steps: # 1. Does the current Debian release supports the collector? # 2. Is the collector depracated in the latest release? # 3. Could you probably use the collected metrics for monitoring or are they useless because they make no sense in our context # (e.g. power adapter inside a VM, use fibre port connection)? disabledCollectors = [ "arp" "bcache" "btrfs" "dmi" "fibrechannel" "infiniband" "nvme" "powersupplyclass" "rapl" "selinux" "tapestats" "thermal_zone" "udp_queues" "xfs" "zfs" ]; enabledCollectors = [ "buddyinfo" "ksmd" "logind" "mountstats" "processes" ]; }; networking.firewall.allowedTCPPorts = [9100]; environment.persistence.${config.impermanence.name}.directories = ["/var/lib/${config.services.prometheus.stateDir}"]; }