nixConfig/nixos/roles/prometheusNodeExporter.nix
2023-11-06 12:47:55 +01:00

40 lines
1.2 KiB
Nix

{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}" ];
}