119 lines
3.5 KiB
Nix
119 lines
3.5 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.${config.networking.hostName}.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=90d" ];
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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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# todo : move this to open telemetry
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{
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name = "home-assistant";
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rules = [
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{
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record = "home_open_window_sum";
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expr = ''sum( homeassistant_binary_sensor_state{entity=~"binary_sensor\\.window_02_contact|binary_sensor\\.window_03_contact|binary_sensor\\.window_04_contact|binary_sensor\\.window_05_contact|binary_sensor\\.window_06_contact|binary_sensor\\.window_07_contact"} )'';
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}
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] ++ (map
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(number:
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{
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record = "home_at_least_n_windows_open";
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expr = ''home_open_window_sum >= bool ${toString number}'';
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labels.n = number;
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}) [ 1 2 3 ]);
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}
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];
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}))
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];
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exporters = {
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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 = "opentelemetry";
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metrics_path = "/metrics";
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scrape_interval = "10s";
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static_configs = [{ targets = [ "localhost:8090" ]; }];
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}
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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 = config.networking.hostName;
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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 = "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 = config.networking.hostName;
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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 = config.networking.hostName;
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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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