pvv-nixos-config/hosts/ildkule/services/monitoring/prometheus/postgres.nix

52 lines
1.6 KiB
Nix

{ pkgs, lib, config, values, ... }: let
cfg = config.services.prometheus;
in {
sops.secrets = {
"keys/postgres/postgres_exporter_env" = {};
"keys/postgres/postgres_exporter_knakelibrak_env" = {};
};
services.prometheus = {
scrapeConfigs = [
{
job_name = "postgres";
scrape_interval = "15s";
static_configs = [{
targets = [ "localhost:${toString cfg.exporters.postgres.port}" ];
labels = {
server = "bicep";
};
}];
}
{
job_name = "postgres-knakelibrak";
scrape_interval = "15s";
static_configs = [{
targets = [ "localhost:${toString (cfg.exporters.postgres.port + 1)}" ];
labels = {
server = "knakelibrak";
};
}];
}
];
exporters.postgres = {
enable = true;
extraFlags = [ "--auto-discover-databases" ];
environmentFile = config.sops.secrets."keys/postgres/postgres_exporter_env".path;
};
};
systemd.services.prometheus-postgres-exporter-knakelibrak.serviceConfig = let
localCfg = config.services.prometheus.exporters.postgres;
in lib.recursiveUpdate config.systemd.services.prometheus-postgres-exporter.serviceConfig {
EnvironmentFile = config.sops.secrets."keys/postgres/postgres_exporter_knakelibrak_env".path;
ExecStart = ''
${pkgs.prometheus-postgres-exporter}/bin/postgres_exporter \
--web.listen-address ${localCfg.listenAddress}:${toString (localCfg.port + 1)} \
--web.telemetry-path ${localCfg.telemetryPath} \
${lib.concatStringsSep " \\\n " localCfg.extraFlags}
'';
};
}