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configs.monitoring: use native VictoriaMetrics grafana datasource plugin
Grafana 13 no longer ships the prometheus datasource as a core plugin, so the provisioned VictoriaMetrics datasource was unusable. Switch it and the dashboards to victoriametrics-metrics-datasource.
author
Hermes
committer
lassulus
date
(Oct 14, 2026, 12:28 PM CEST)
commit
8c7f5756
8c7f5756bd701d8dc6abc6b8b40b1fd8b783f73d
parent
d3415c8c
d3415c8c80c01e582136aadf43133872b8a275a9
+14
-11
+5
-2
configs/monitoring/server.nix
+5
-2
configs/monitoring/server.nix
···
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services.grafana = {
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enable = true;
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-
declarativePlugins = [ pkgs.grafanaPlugins.victoriametrics-logs-datasource ];
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+
declarativePlugins = [
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pkgs.grafanaPlugins.victoriametrics-logs-datasource
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+
pkgs.grafanaPlugins.victoriametrics-metrics-datasource
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];
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settings = {
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server = {
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http_addr = "";
···
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{
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name = "VictoriaMetrics";
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uid = "victoriametrics";
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type = "prometheus";
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type = "victoriametrics-metrics-datasource";
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url = "http://127.0.0.1:${toString ports.victoriametrics}";
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isDefault = true;
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}
+2
-2
configs/monitoring/dashboards/gatus.json
+2
-2
configs/monitoring/dashboards/gatus.json
···
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"type": "state-timeline",
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"title": "Endpoint success",
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"gridPos": { "x": 0, "y": 0, "w": 24, "h": 16 },
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"datasource": { "type": "prometheus", "uid": "victoriametrics" },
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"datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
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"fieldConfig": {
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"defaults": {
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"mappings": [
···
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"type": "timeseries",
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"title": "Response time",
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"gridPos": { "x": 0, "y": 16, "w": 24, "h": 8 },
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"datasource": { "type": "prometheus", "uid": "victoriametrics" },
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"datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
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"fieldConfig": { "defaults": { "unit": "s" } },
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"targets": [
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{
+7
-7
configs/monitoring/dashboards/node.json
+7
-7
configs/monitoring/dashboards/node.json
···
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{
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"name": "host",
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"type": "query",
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"datasource": { "type": "prometheus", "uid": "victoriametrics" },
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"datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
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"query": { "query": "label_values(host_uptime, host)", "refId": "host" },
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"refresh": 2,
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"includeAll": true,
···
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"type": "timeseries",
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"title": "CPU used",
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"gridPos": { "x": 0, "y": 0, "w": 12, "h": 8 },
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"datasource": { "type": "prometheus", "uid": "victoriametrics" },
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"datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
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"fieldConfig": { "defaults": { "unit": "percentunit", "min": 0, "max": 1 } },
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"targets": [
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{
···
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"type": "timeseries",
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"title": "Memory used",
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"gridPos": { "x": 12, "y": 0, "w": 12, "h": 8 },
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"datasource": { "type": "prometheus", "uid": "victoriametrics" },
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"datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
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"fieldConfig": { "defaults": { "unit": "percentunit", "min": 0, "max": 1 } },
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"targets": [
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{
···
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"type": "timeseries",
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"title": "Load (1m)",
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"gridPos": { "x": 0, "y": 8, "w": 12, "h": 8 },
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"datasource": { "type": "prometheus", "uid": "victoriametrics" },
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"datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
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"targets": [
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{ "refId": "A", "expr": "host_load1{host=~\"$host\"}", "legendFormat": "{{host}}" }
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]
···
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"type": "bargauge",
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"title": "Filesystems used",
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"gridPos": { "x": 12, "y": 8, "w": 12, "h": 8 },
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"datasource": { "type": "prometheus", "uid": "victoriametrics" },
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"datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
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"fieldConfig": {
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"defaults": {
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"unit": "percentunit",
···
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"type": "timeseries",
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"title": "Network",
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"gridPos": { "x": 0, "y": 16, "w": 12, "h": 8 },
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"datasource": { "type": "prometheus", "uid": "victoriametrics" },
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"datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
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"fieldConfig": { "defaults": { "unit": "Bps" } },
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"targets": [
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{
···
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"type": "timeseries",
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"title": "Disk I/O",
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"gridPos": { "x": 12, "y": 16, "w": 12, "h": 8 },
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"datasource": { "type": "prometheus", "uid": "victoriametrics" },
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"datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
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"fieldConfig": { "defaults": { "unit": "Bps" } },
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"targets": [
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{