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docs(metrics): Update Grafana/Prometheus example

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TwiN 2022-06-18 12:42:41 -04:00
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32
.examples/docker-compose-grafana-prometheus/README.md
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@ -1,23 +1,41 @@
## Usage
Gatus exposes Prometheus metrics at `/metrics` if the `metrics` configuration option is set to `true`.
To run this example, all you need to do is execute the following command:
```console
docker-compose up
```
Once you've done the above, you should be able to access the Grafana dashboard at `http://localhost:3000`.
## Queries
Gatus uses Prometheus counters.
![Gatus Grafana dashboard](../../.github/assets/grafana-dashboard.png)
Total results per minute:
## Queries
By default, this example has a Grafana dashboard with some panels, but for the sake of verbosity, you'll find
a list of simple queries below. Those make use of the `key` parameter, which is a concatenation of the endpoint's
group and name.
### Success rate
```
sum(rate(gatus_results_total{success="true"}[30s])) by (key) / sum(rate(gatus_results_total[30s])) by (key)
```
### Response time
```
gatus_results_duration_seconds
```
### Total results per minute
```
sum(rate(gatus_results_total[5m])*60) by (key)
```
Total successful results per minute:
### Total successful results per minute
```
sum(rate(gatus_results_total{success="true"}[5m])*60) by (key)
```
Total unsuccessful results per minute:
### Total unsuccessful results per minute
```
sum(rate(gatus_results_total{success="false"}[5m])*60) by (key)
```
sum(rate(gatus_results_total{success="true"}[5m])*60) by (key)
```

13
.examples/docker-compose-grafana-prometheus/config/config.yaml
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@ -2,15 +2,18 @@ metrics: true
endpoints:
- name: website
url: https://twin.sh/health
interval: 30s
interval: 5m
conditions:
- "[STATUS] == 200"
- name: example
url: https://example.com/
interval: 5m
conditions:
- "[STATUS] == 200"
- name: github
url: https://api.github.com/healthz
interval: 5m
conditions:
- "[STATUS] == 200"
- name: example
url: https://example.com/
conditions:
- "[STATUS] == 200"

377
.examples/docker-compose-grafana-prometheus/grafana/provisioning/dashboards/main.json → .examples/docker-compose-grafana-prometheus/grafana/provisioning/dashboards/gatus.json
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@ -15,8 +15,266 @@
"editable": true,
"gnetId": null,
"graphTooltip": 0,
"id": 3,
"links": [],
"panels": [
{
"cacheTimeout": null,
"datasource": null,
"description": "Number of successful results compared to the total number of results during the current interval",
"gridPos": {
"h": 8,
"w": 12,
"x": 0,
"y": 0
},
"id": 9,
"links": [],
"options": {
"fieldOptions": {
"calcs": [
"mean"
],
"defaults": {
"mappings": [
{
"id": 0,
"op": "=",
"text": "N/A",
"type": 1,
"value": "null"
}
],
"max": 1,
"min": 0,
"nullValueMode": "connected",
"thresholds": [
{
"color": "red",
"value": null
},
{
"color": "semi-dark-orange",
"value": 0.6
},
{
"color": "yellow",
"value": 0.8
},
{
"color": "dark-green",
"value": 0.95
}
],
"unit": "percentunit"
},
"override": {},
"values": false
},
"orientation": "horizontal",
"showThresholdLabels": false,
"showThresholdMarkers": false
},
"pluginVersion": "6.4.4",
"targets": [
{
"expr": "sum(rate(gatus_results_total{success=\"true\"}[30s])) by (key) / sum(rate(gatus_results_total[30s])) by (key)",
"hide": false,
"legendFormat": "{{key}}",
"refId": "B"
}
],
"timeFrom": null,
"timeShift": null,
"title": "Success rate",
"type": "gauge"
},
{
"aliasColors": {},
"bars": false,
"cacheTimeout": null,
"dashLength": 10,
"dashes": false,
"datasource": null,
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 8,
"w": 12,
"x": 12,
"y": 0
},
"id": 11,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null as zero",
"options": {
"dataLinks": []
},
"percentage": false,
"pluginVersion": "6.4.4",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "gatus_results_duration_seconds",
"format": "time_series",
"instant": false,
"interval": "",
"intervalFactor": 1,
"legendFormat": "{{key}}",
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "Response time",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": false,
"cacheTimeout": null,
"dashLength": 10,
"dashes": false,
"datasource": null,
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 8,
"w": 12,
"x": 0,
"y": 8
},
"id": 10,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "connected",
"options": {
"dataLinks": []
},
"percentage": false,
"pluginVersion": "6.4.4",
"pointradius": 2,
"points": true,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(gatus_results_total{success=\"true\"}[30s])) by (key) / sum(rate(gatus_results_total[30s])) by (key)",
"format": "time_series",
"instant": false,
"interval": "",
"intervalFactor": 1,
"legendFormat": "{{key}}",
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "Success rate",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
],
"yaxis": {
"align": false,
"alignLevel": null
}
},
{
"aliasColors": {},
"bars": false,
@ -27,10 +285,10 @@
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 7,
"h": 8,
"w": 12,
"x": 0,
"y": 0
"x": 12,
"y": 8
},
"id": 2,
"interval": "",
@ -126,8 +384,8 @@
"gridPos": {
"h": 7,
"w": 12,
"x": 12,
"y": 0
"x": 0,
"y": 16
},
"id": 5,
"legend": {
@ -204,94 +462,6 @@
"alignLevel": null
}
},
{
"cacheTimeout": null,
"colorBackground": false,
"colorPostfix": false,
"colorPrefix": false,
"colorValue": true,
"colors": [
"#299c46",
"rgba(237, 129, 40, 0.89)",
"#d44a3a"
],
"datasource": null,
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
"h": 7,
"w": 12,
"x": 0,
"y": 7
},
"id": 7,
"interval": "",
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"options": {},
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": true,
"ymax": null,
"ymin": null
},
"tableColumn": "",
"targets": [
{
"expr": "rate(gatus_results_total{success=\"false\"}[1m])*60",
"format": "time_series",
"instant": false,
"intervalFactor": 1,
"refId": "A"
}
],
"thresholds": "1,2",
"timeFrom": null,
"timeShift": null,
"title": "Unsuccessful results",
"type": "singlestat",
"valueFontSize": "150%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "current"
},
{
"aliasColors": {},
"bars": false,
@ -304,7 +474,7 @@
"h": 7,
"w": 12,
"x": 12,
"y": 7
"y": 16
},
"id": 3,
"legend": {
@ -380,7 +550,7 @@
}
}
],
"refresh": "10s",
"refresh": "1m",
"schemaVersion": 20,
"style": "dark",
"tags": [],
@ -391,9 +561,22 @@
"from": "now-1h",
"to": "now"
},
"timepicker": {},
"timepicker": {
"refresh_intervals": [
"5s",
"10s",
"30s",
"1m",
"5m",
"15m",
"30m",
"1h",
"2h",
"1d"
]
},
"timezone": "",
"title": "Gatus",
"uid": "KPI7Qj1Wk",
"version": 1
"version": 2
}

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README.md
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@ -1055,6 +1055,8 @@ endpoint on the same port your application is configured to run on (`web.port`).
| gatus_results_duration_seconds | gauge | Duration of the request in seconds | key, group, name, type | All |
| gatus_results_certificate_expiration_seconds | gauge | Number of seconds until the certificate expires | key, group, name, type | HTTP, STARTTLS |
See [examples/docker-compose-grafana-prometheus](.examples/docker-compose-grafana-prometheus) for further documentation as well as an example.
## Deployment
Many examples can be found in the [.examples](.examples) folder, but this section will focus on the most popular ways of deploying Gatus.