services: prometheus: restructure a bit, extract node-exporter
Signed-off-by: Christoph Heiss <christoph@c8h4.io>
This commit is contained in:
parent
dcd3379bb4
commit
9219504c20
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@ -27,6 +27,7 @@ in {
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../services/fail2ban.nix
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../services/matrix-hookshot.nix
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../services/nginx.nix
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../services/node-exporter.nix
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../services/web/c8h4-io.nix
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../system/virtual-machine.nix
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];
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@ -11,6 +11,7 @@
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../services/home-assistant.nix
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../services/navidrome.nix
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../services/nginx.nix
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../services/node-exporter.nix
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../services/paperless.nix
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../services/postgresql.nix
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../services/prometheus.nix
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@ -108,4 +109,10 @@
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listenAddress = "[::1]:8000";
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appendOnly = true;
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};
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services.prometheus.exporters.zfs = {
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enable = true;
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listenAddress = "[::1]";
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extraFlags = [ "--collector.dataset-snapshot" ];
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};
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}
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BIN
secrets/my.nix
BIN
secrets/my.nix
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34
services/node-exporter.nix
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34
services/node-exporter.nix
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@ -0,0 +1,34 @@
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{ config, lib, ... }:
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let
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inherit (lib) mkOption types;
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cfg = config.my.services.node-exporter;
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in {
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options.my.services.node-exporter = {
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listenAddress = mkOption {
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type = types.str;
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default = "[::1]";
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description = "Address to listen on.";
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};
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};
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config = {
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services.prometheus.exporters.node = {
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enable = true;
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inherit (cfg) listenAddress;
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enabledCollectors = [ "systemd" ];
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# disable a whole bunch of useless/unneeded collectors
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disabledCollectors = [
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"arp"
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"bcache"
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"bonding"
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"fibrechannel"
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"infiniband"
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"ipvs"
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"selinux"
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"tapestats"
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"xfs"
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];
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};
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};
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}
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@ -1,47 +1,17 @@
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{ config, my, secrets, ... }:
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{ my, secrets, ... }:
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let
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nodeExporter = config.services.prometheus.exporters.node;
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zfsExporter = config.services.prometheus.exporters.zfs;
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in {
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{
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services.prometheus = {
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enable = true;
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checkConfig = "syntax-only";
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webExternalUrl = "http://${my.homelab.fqdn}/prometheus";
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listenAddress = "[::1]";
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exporters = {
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node = {
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enable = true;
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listenAddress = "[::1]";
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enabledCollectors = [ "systemd" ];
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# disable a whole bunch of useless/unneeded collectors
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disabledCollectors = [
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"arp"
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"bcache"
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"bonding"
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"fibrechannel"
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"infiniband"
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"ipvs"
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"selinux"
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"tapestats"
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"xfs"
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"zfs" # we got the dedicated zfs-exporter instead
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];
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};
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zfs = {
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enable = true;
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listenAddress = "[::1]";
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extraFlags = [ "--collector.dataset-snapshot" ];
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};
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};
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scrapeConfigs = [
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{
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job_name = "zfs-exporter";
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scrape_interval = "60s";
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static_configs = [{
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targets =
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[ "${zfsExporter.listenAddress}:${toString zfsExporter.port}" ];
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}];
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static_configs =
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[{ targets = [ "tank:${toString my.services.zfs-exporter.port}" ]; }];
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# https://github.com/pdf/zfs_exporter/issues/24#issuecomment-1616802017
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metric_relabel_configs = [
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{
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@ -61,8 +31,10 @@ in {
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{
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job_name = "node-exporter";
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static_configs = [{
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targets =
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[ "${nodeExporter.listenAddress}:${toString nodeExporter.port}" ];
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targets = map (x: "${x}:${toString my.services.node-exporter.port}") [
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"fort"
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"tank"
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];
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}];
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}
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{
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@ -72,15 +44,15 @@ in {
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metrics_path = "/api/prometheus";
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authorization.credentials_file =
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secrets.homeassistant-prometheus-token.destination;
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scheme = "https";
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static_configs =
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[{ targets = [ my.homelab.services.homeassistant.host ]; }];
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static_configs = [{
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targets = [ "tank:${toString my.services.home-assistant.port}" ];
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}];
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}
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{
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job_name = "openwrt-exporter";
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scrape_interval = "30s";
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scheme = "https";
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static_configs = [{ targets = [ my.homelab.services.openwrt.host ]; }];
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static_configs = [{ targets = [ my.machines.wort.host ]; }];
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}
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];
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};
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