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pvv-nixos-config/misc/metrics-exporters.nix

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{ config, pkgs, values, ... }:
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{
services.prometheus.exporters.node = {
enable = true;
port = 9100;
enabledCollectors = [ "systemd" ];
};
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systemd.services.prometheus-node-exporter.serviceConfig = {
IPAddressDeny = "any";
IPAddressAllow = [
"127.0.0.1"
"::1"
values.hosts.ildkule.ipv4
values.hosts.ildkule.ipv6
values.hosts.ildkule.ipv4_global
values.hosts.ildkule.ipv6_global
];
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};
networking.firewall.allowedTCPPorts = [ 9100 ];
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services.promtail = {
enable = true;
configuration = {
server = {
http_listen_port = 28183;
grpc_listen_port = 0;
};
clients = [
{
url = "http://ildkule.pvv.ntnu.no:3100/loki/api/v1/push";
}
];
scrape_configs = [
{
job_name = "systemd-journal";
journal = {
max_age = "12h";
labels = {
job = "systemd-journal";
host = config.networking.hostName;
};
};
relabel_configs = [
{
source_labels = [ "__journal__systemd_unit" ];
target_label = "unit";
}
{
source_labels = [ "__journal_priority_keyword" ];
target_label = "level";
}
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];
}
];
};
};
}