defiant: add uptime-kuma, rename metrics->monitoring
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@@ -0,0 +1,11 @@
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{ config, pkgs, ... }:
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{
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imports = [
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./prometheus.nix
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./grafana.nix
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./loki.nix
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./snmp-exporter.nix
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./uptime-kuma.nix
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];
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}
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@@ -0,0 +1,69 @@
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{ config, pkgs, ... }:
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let
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cfg = config.services.grafana;
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in {
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services.grafana = {
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enable = true;
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dataDir = "/tank/services/metrics/grafana";
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# TODO: Migrate sqlite to postgres
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settings.server = {
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domain = "grafana.home.feal.no";
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http_port = 2342;
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http_addr = "127.0.0.1";
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};
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provision = {
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enable = true;
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datasources.settings.datasources = [
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{
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name = "Prometheus";
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type = "prometheus";
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uid = "prom1";
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url = ("http://${config.services.prometheus.listenAddress}:${toString config.services.prometheus.port}");
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isDefault = true;
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}
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{
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name = "Loki";
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type = "loki";
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url = ("http://${config.services.loki.configuration.server.http_listen_address}:${toString config.services.loki.configuration.server.http_listen_port}");
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}
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];
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dashboards.settings.providers = [
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{
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name = "Node Exporter Full";
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type = "file";
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url = "https://grafana.com/api/dashboards/1860/revisions/29/download";
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options.path = dashboards/node-exporter-full.json;
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}
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{
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name = "Synology NAS Details";
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type = "file";
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url = "https://grafana.com/api/dashboards/14284/revisions/9/download";
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options.path = dashboards/synology-nas-details.json;
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}
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{
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name = "OpenWRT";
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type = "file";
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url = "https://grafana.com/api/dashboards/11147/revisions/1/download";
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options.path = dashboards/openwrt.json;
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}
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];
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};
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};
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services.nginx.virtualHosts.${cfg.settings.server.domain} = {
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locations = {
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"/" = {
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proxyPass = "http://127.0.0.1:${toString cfg.settings.server.http_port}";
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proxyWebsockets = true;
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extraConfig = ''
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proxy_buffers 8 1024k;
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proxy_buffer_size 1024k;
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'';
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};
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};
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};
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}
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@@ -0,0 +1,78 @@
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{ config, pkgs, ... }:
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let
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cfg = config.services.loki;
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saveDirectory = "/tank/services/metrics/loki";
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in {
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services.loki = {
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enable = true;
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dataDir = saveDirectory;
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configuration = {
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auth_enabled = false;
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server = {
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http_listen_port = 3100;
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http_listen_address = "0.0.0.0";
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grpc_listen_port = 9096;
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};
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ingester = {
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wal = {
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enabled = true;
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dir = "${saveDirectory}/wal";
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};
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lifecycler = {
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address = "127.0.0.1";
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ring = {
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kvstore = {
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store = "inmemory";
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};
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replication_factor = 1;
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};
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final_sleep = "0s";
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};
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chunk_idle_period = "1h";
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};
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schema_config = {
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configs = [
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{
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from = "2022-12-01";
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store = "boltdb-shipper";
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object_store = "filesystem";
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schema = "v11";
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index = {
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prefix = "index_";
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period = "24h";
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};
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}
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];
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};
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storage_config = {
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boltdb_shipper = {
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active_index_directory = "${saveDirectory}/boltdb-shipper-index";
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cache_location = "${saveDirectory}/boltdb-shipper-cache";
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shared_store = "filesystem";
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cache_ttl = "24h";
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};
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filesystem = {
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directory = "${saveDirectory}/chunks";
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};
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};
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limits_config = {
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enforce_metric_name = false;
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reject_old_samples = true;
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reject_old_samples_max_age = "72h";
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};
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compactor = {
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working_directory = "${saveDirectory}/compactor";
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shared_store = "filesystem";
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};
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};
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};
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networking.firewall.allowedTCPPorts = [
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cfg.configuration.server.http_listen_port
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];
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}
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@@ -0,0 +1,64 @@
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{ config, pkgs, ... }:
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let
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cfg = config.services.prometheus;
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in {
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services.prometheus = {
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enable = true;
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listenAddress = "127.0.0.1";
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port = 9001;
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# StateDirectory must be under /var/lib.
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# TODO: Back up to /tank/services/metrics/prometheus
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scrapeConfigs = [
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{
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job_name = "node";
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static_configs = [
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{
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targets = [
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"voyager.home.feal.no:9100"
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"sulu.home.feal.no:9100"
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"mccoy.home.feal.no:9100"
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"dlink-feal.home.feal.no:9100"
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"edison.home.feal.no:9100"
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"defiant.home.feal.no:9100"
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"scotty.home.feal.no:9100"
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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 = "openwrt";
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static_configs = [
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{ targets = ["dlink-feal.home.feal.no:9100"]; }
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];
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}
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{
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job_name = "snmp";
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static_configs = [{
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targets = [
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"feal-syn1.home.feal.no"
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"feal-syn2.home.feal.no"
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];
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}];
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metrics_path = "/snmp";
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params.module = ["synology"];
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relabel_configs = [
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{
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source_labels = ["__address__"];
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target_label = "__param_target";
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}
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{
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source_labels = ["__param_target"];
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target_label = "instance";
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}
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{
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target_label = "__address__";
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replacement = "127.0.0.1:9116";
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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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@@ -0,0 +1,20 @@
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{ config, pkgs, ... }:
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{
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environment.systemPackages = [
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pkgs.prometheus-snmp-exporter
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];
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systemd.services.prometheus-snmp-exporter = {
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enable = true;
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description = "Gather data from SNMP devices and expose them as Prometheus metrics";
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unitConfig = {
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Type = "simple";
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};
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serviceConfig = {
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ExecStart = "${pkgs.prometheus-snmp-exporter}/bin/snmp_exporter --config.file='/tank/services/metrics/prometheus/snmp.yml'";
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# snmp.yml = https://github.com/prometheus/snmp_exporter/blob/main/snmp.yml + https://global.download.synology.com/download/Document/Software/DeveloperGuide/Firmware/DSM/All/enu/Synology_DiskStation_MIB_Guide.pdf
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};
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wantedBy = [ "multi-user.target" ];
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};
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}
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@@ -0,0 +1,16 @@
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{ config, pkgs, lib, ... }:
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let
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cfg = config.services.uptime-kuma;
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in {
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services.uptime-kuma = {
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enable = true;
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settings = {
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PORT = "5059";
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HOST = "127.0.1.2";
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};
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};
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services.nginx.virtualHosts."uptime.home.feal.no" = {
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locations."/".proxyPass = "http://${cfg.settings.HOST}:${cfg.settings.PORT}";
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};
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}
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