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service/hedgedoc: add monitoring and dashboard

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This commit is contained in:
Felix Buehler 2023-06-04 15:23:47 +02:00
parent 5f8f6f0263
commit ec4d6379d0
3 changed files with 834 additions and 0 deletions
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24
modules/services/hedgedoc/default.nix
View file

@ -50,6 +50,30 @@ in
#systemd.services.hedgedoc.serviceConfig.StateDirectory = lib.mkForce "/var/lib/hedgedoc";
systemd.services.hedgedoc.serviceConfig.StateDirectory = lib.mkForce "hedgedoc";
services.prometheus = {
scrapeConfigs = [
{
job_name = "hedgedoc";
static_configs = [
{
targets = [ "127.0.0.1:${toString cfg.port}" ];
labels = {
instance = config.networking.hostName;
};
}
];
}
];
};
services.grafana.provision.dashboards.settings.providers = [
{
name = "Hedgedoc";
options.path = pkgs.grafana-dashboards.hedgedoc;
disableDeletion = true;
}
];
my.services.nginx.virtualHosts = [
{
subdomain = "notes";

10
pkgs/grafana-dashboards/default.nix
View file

@ -67,6 +67,16 @@ in
src = ./navidrome.json; # sadly data source is not detected
});
# taken from https://gitlab.archlinux.org/archlinux/infrastructure/-/blob/master/roles/grafana/files/dashboards/Hedgedoc.json?ref_type=heads
hedgedoc = (buildGrafanaDashboard {
id = -1;
pname = "hedgedoc";
version = "1";
hash = lib.fakeSha256;
}).overrideAttrs (self: super: {
src = ./hedgedoc.json; # sadly data source is not detected
});
cadvisor = buildGrafanaDashboard {
id = 10619;
pname = "cadvisor";

800
pkgs/grafana-dashboards/hedgedoc.json Normal file
View file

@ -0,0 +1,800 @@
{
"annotations": {
"list": [
{
"builtIn": 1,
"datasource": {
"type": "datasource",
"uid": "grafana"
},
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"type": "dashboard"
}
]
},
"editable": true,
"fiscalYearStartMonth": 0,
"graphTooltip": 0,
"id": 55,
"links": [],
"liveNow": false,
"panels": [
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"description": "Hedgedoc notes stats",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 1000
}
]
}
},
"overrides": []
},
"gridPos": {
"h": 6,
"w": 24,
"x": 0,
"y": 0
},
"id": 2,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"text": {},
"textMode": "auto"
},
"pluginVersion": "9.5.2",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "hedgedoc_notes",
"interval": "",
"legendFormat": "Notes",
"queryType": "randomWalk",
"refId": "A"
},
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "hedgedoc_online_notes ",
"hide": false,
"interval": "",
"legendFormat": "Online notes ",
"refId": "B"
},
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "hedgedoc_registered_users",
"hide": false,
"interval": "",
"legendFormat": "Registered users",
"refId": "C"
},
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "hedgedoc_online_users",
"hide": false,
"instant": false,
"interval": "",
"legendFormat": "Online users",
"refId": "D"
}
],
"title": "hedgedoc stats",
"type": "stat"
},
{
"cards": {},
"color": {
"cardColor": "#b4ff00",
"colorScale": "sqrt",
"colorScheme": "interpolateOranges",
"exponent": 0.5,
"mode": "spectrum"
},
"dataFormat": "timeseries",
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"description": "",
"fieldConfig": {
"defaults": {
"custom": {
"hideFrom": {
"legend": false,
"tooltip": false,
"viz": false
},
"scaleDistribution": {
"type": "linear"
}
}
},
"overrides": []
},
"gridPos": {
"h": 8,
"w": 24,
"x": 0,
"y": 6
},
"heatmap": {},
"hideZeroBuckets": false,
"highlightCards": true,
"id": 6,
"legend": {
"show": false
},
"options": {
"calculate": true,
"calculation": {},
"cellGap": 2,
"cellValues": {},
"color": {
"exponent": 0.5,
"fill": "#b4ff00",
"mode": "scheme",
"reverse": false,
"scale": "exponential",
"scheme": "Oranges",
"steps": 128
},
"exemplars": {
"color": "rgba(255,0,255,0.7)"
},
"filterValues": {
"le": 1e-9
},
"legend": {
"show": false
},
"rowsFrame": {
"layout": "auto"
},
"showValue": "never",
"tooltip": {
"show": true,
"yHistogram": false
},
"yAxis": {
"axisPlacement": "left",
"reverse": false,
"unit": "s"
}
},
"pluginVersion": "9.5.2",
"reverseYBuckets": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "sum by (le) (rate(http_request_duration_seconds_bucket{job=\"hedgedoc\"}[3m]))",
"interval": "",
"legendFormat": "{{ le }}",
"queryType": "randomWalk",
"refId": "A"
}
],
"title": "Request duration",
"tooltip": {
"show": true,
"showHistogram": false
},
"type": "heatmap",
"xAxis": {
"show": true
},
"yAxis": {
"format": "s",
"logBase": 1,
"show": true
},
"yBucketBound": "auto"
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 10,
"x": 0,
"y": 14
},
"hiddenSeries": false,
"id": 8,
"legend": {
"alignAsTable": true,
"avg": true,
"current": true,
"max": true,
"min": true,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"paceLength": 10,
"percentage": false,
"pluginVersion": "9.5.2",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "irate(process_cpu_user_seconds_total{job=\"hedgedoc\"}[2m]) * 100",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "User CPU",
"refId": "A"
},
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "irate(process_cpu_system_seconds_total{job=\"hedgedoc\"}[2m]) * 100",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "Sys CPU",
"refId": "B"
}
],
"thresholds": [],
"timeRegions": [],
"title": "Process CPU Usage",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"$$hashKey": "object:147",
"format": "percent",
"logBase": 1,
"show": true
},
{
"$$hashKey": "object:148",
"format": "short",
"logBase": 1,
"show": true
}
],
"yaxis": {
"align": false
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 9,
"x": 10,
"y": 14
},
"hiddenSeries": false,
"id": 10,
"legend": {
"alignAsTable": true,
"avg": true,
"current": true,
"max": true,
"min": true,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"paceLength": 10,
"percentage": false,
"pluginVersion": "9.5.2",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "nodejs_eventloop_lag_seconds{job=\"hedgedoc\"}",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "hedgedoc",
"refId": "A"
}
],
"thresholds": [],
"timeRegions": [],
"title": "Event Loop Lag",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"$$hashKey": "object:205",
"format": "s",
"logBase": 1,
"show": true
},
{
"$$hashKey": "object:206",
"format": "short",
"logBase": 1,
"show": true
}
],
"yaxis": {
"align": false
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"description": "Length of connection socket queue and connection busy indicates that realtime currently connecting",
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 5,
"x": 19,
"y": 14
},
"hiddenSeries": false,
"id": 4,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"percentage": false,
"pluginVersion": "9.5.2",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "hedgedoc_connection_busy",
"interval": "",
"legendFormat": "connections busy",
"queryType": "randomWalk",
"refId": "A"
},
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "hedgedoc_connection_socket_queue_length",
"hide": false,
"interval": "",
"legendFormat": "socket queue length",
"refId": "B"
}
],
"thresholds": [],
"timeRegions": [],
"title": "Connections",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"$$hashKey": "object:225",
"format": "short",
"logBase": 1,
"show": true
},
{
"$$hashKey": "object:226",
"format": "short",
"logBase": 1,
"show": true
}
],
"yaxis": {
"align": false
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 16,
"x": 0,
"y": 21
},
"hiddenSeries": false,
"id": 12,
"legend": {
"alignAsTable": true,
"avg": true,
"current": true,
"max": true,
"min": true,
"rightSide": true,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"paceLength": 10,
"percentage": false,
"pluginVersion": "9.5.2",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "process_resident_memory_bytes{job=\"hedgedoc\"}",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "Process Memory",
"refId": "A"
},
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "nodejs_heap_size_total_bytes{job=\"hedgedoc\"}",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "Heap Total ",
"refId": "B"
},
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "nodejs_heap_size_used_bytes{job=\"hedgedoc\"}",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "Heap Used",
"refId": "C"
},
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "nodejs_external_memory_bytes{job=\"hedgedoc\"}",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "External Memory - {{instance}}",
"refId": "D"
}
],
"thresholds": [],
"timeRegions": [],
"title": "Process Memory Usage",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"$$hashKey": "object:267",
"format": "bytes",
"logBase": 1,
"show": true
},
{
"$$hashKey": "object:268",
"format": "short",
"logBase": 1,
"show": true
}
],
"yaxis": {
"align": false
}
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 7,
"w": 8,
"x": 16,
"y": 21
},
"hiddenSeries": false,
"id": 14,
"legend": {
"alignAsTable": true,
"avg": true,
"current": true,
"max": true,
"min": true,
"show": true,
"total": false,
"values": true
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"paceLength": 10,
"percentage": false,
"pluginVersion": "9.5.2",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "nodejs_active_handles_total{job=\"hedgedoc\"}",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "Active Handler ",
"refId": "A"
},
{
"datasource": {
"type": "prometheus",
"uid": "KNkR71YVk"
},
"exemplar": true,
"expr": "nodejs_active_requests_total{job=\"hedgedoc\"}",
"format": "time_series",
"interval": "",
"intervalFactor": 1,
"legendFormat": "Active Request",
"refId": "B"
}
],
"thresholds": [],
"timeRegions": [],
"title": "Active Handlers/Requests Total",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"$$hashKey": "object:323",
"format": "short",
"logBase": 1,
"show": true
},
{
"$$hashKey": "object:324",
"format": "short",
"logBase": 1,
"show": true
}
],
"yaxis": {
"align": false
}
}
],
"refresh": "",
"schemaVersion": 38,
"style": "dark",
"tags": [],
"templating": {
"list": []
},
"time": {
"from": "now-24h",
"to": "now"
},
"timepicker": {},
"timezone": "",
"title": "Hedgedoc",
"uid": "U0Zk8-6Mk",
"version": 1,
"weekStart": ""
}