depot/cluster/services/monitoring/client.nix

73 lines
2.1 KiB
Nix

{ cluster, config, lib, pkgs, ... }:
let
myNode = cluster.config.vars.mesh.${cluster.config.vars.hostName};
writeJSON = filename: data: pkgs.writeText filename (builtins.toJSON data);
relabel = from: to: {
source_labels = [ from ];
target_label = to;
};
hasJitsi = lib.mkIf config.services.jitsi-meet.enable;
in {
services.journald.extraConfig = "Storage=volatile";
services.prometheus.exporters = {
node = {
enable = true;
listenAddress = myNode.meshIp;
enabledCollectors = [
"systemd"
];
};
jitsi = hasJitsi {
enable = true;
listenAddress = myNode.meshIp;
interval = "60s";
};
};
systemd.services.prometheus-node-exporter = {
after = [ "wireguard-wgmesh.service" ];
serviceConfig.RestartSec = "10s";
};
systemd.services.prometheus-jitsi-exporter = hasJitsi {
after = [ "wireguard-wgmesh.service" ];
serviceConfig.RestartSec = "10s";
};
systemd.services.promtail = {
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.grafana-loki}/bin/promtail --config.expand-env=true --config.file ${writeJSON "promtail.yaml" {
server.disable = true;
positions.filename = "\${STATE_DIRECTORY:/tmp}/promtail-positions.yaml";
clients = [
{ url = "${cluster.config.links.loki-ingest.url}/loki/api/v1/push"; }
];
scrape_configs = [
{
job_name = "journal";
journal = {
max_age = "12h";
labels.host = cluster.config.vars.hostName;
};
relabel_configs = [
(relabel "__journal__systemd_unit" "systemd_unit")
(relabel "__journal__hostname" "machine_name")
(relabel "__journal__exe" "executable")
(relabel "__journal__comm" "command")
(relabel "__journal__boot_id" "systemd_boot_id")
(relabel "__journal__systemd_cgroup" "systemd_cgroup")
(relabel "__journal_syslog_identifier" "syslog_identifier")
];
}
];
}}";
StateDirectory = "promtail";
};
};
}