117 lines
2.9 KiB
Nix
117 lines
2.9 KiB
Nix
{ config, pkgs, lib, ... }: {
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sops.secrets.hass_long_term_token.owner = "prometheus";
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services.nginx = {
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enable = true;
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statusPage = true;
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virtualHosts = {
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"prometheus.pepe.private" = {
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extraConfig = ''
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allow ${config.tinc.private.subnet};
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deny all;
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'';
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locations."/" = { proxyPass = "http://localhost:${toString config.services.prometheus.port}"; };
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};
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};
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};
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services.prometheus = {
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checkConfig = "syntax-only";
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enable = true;
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# keep data for 30 days
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extraFlags = [ "--storage.tsdb.retention.time=30d" ];
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ruleFiles = [
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(pkgs.writeText "prometheus-rules.yml" (builtins.toJSON {
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groups = [
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{
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name = "core";
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rules = [
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{
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alert = "InstanceDown";
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expr = "up == 0";
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for = "5m";
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labels.severity = "page";
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annotations = {
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summary = "Instance {{ $labels.instance }} down";
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description = "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 5 minutes.";
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};
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}
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];
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}
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];
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}))
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];
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#alertmanager = {
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# enable = true;
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# configuration = {
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#};
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#};
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exporters = {
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systemd.enable = true;
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node = {
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enable = true;
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enabledCollectors = [ "systemd" ];
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port = 9002;
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};
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};
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scrapeConfigs = [
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{
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job_name = "netdata";
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metrics_path = "/api/v1/allmetrics";
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params.format = [ "prometheus" ];
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scrape_interval = "5s";
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static_configs = [
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{
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targets = [ "localhost:19999" ];
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labels = {
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service = "netdata";
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server = "pepe";
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};
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}
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];
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}
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{
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job_name = "systemd";
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static_configs = [{
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targets = [ "localhost:${toString config.services.prometheus.exporters.systemd.port}" ];
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labels = {
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service = "systemd-exporter";
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server = "pepe";
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};
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}];
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}
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{
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job_name = "node";
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static_configs = [{
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targets = [ "localhost:${toString config.services.prometheus.exporters.node.port}" ];
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labels = {
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service = "node-exporter";
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server = "pepe";
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};
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}];
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}
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{
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# see https://www.home-assistant.io/integrations/prometheus/
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job_name = "home-assistant";
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scrape_interval = "60s";
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metrics_path = "/api/prometheus";
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bearer_token_file = toString config.sops.secrets.hass_long_term_token.path;
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static_configs = [{
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targets = [ "localhost:8123" ];
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labels = {
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service = "hass";
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server = "pepe";
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};
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}];
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}
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];
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};
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}
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