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https://github.com/TwiN/gatus.git
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BREAKING: Replace metrics
This commit is contained in:
TwiN
parent
eb9acef9b5
commit
b67701ff6d
23
.examples/docker-compose-grafana-prometheus/README.md
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23
.examples/docker-compose-grafana-prometheus/README.md
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@ -0,0 +1,23 @@
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## Usage
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```console
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docker-compose up
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```
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Once you've done the above, you should be able to access the Grafana dashboard at `http://localhost:3000`.
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## Queries
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Gatus uses Prometheus counters.
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Total results per minute:
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```
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sum(rate(gatus_results_total[5m])*60) by (key)
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```
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Total successful results per minute:
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```
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sum(rate(gatus_results_total{success="true"}[5m])*60) by (key)
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```
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Total unsuccessful results per minute:
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```
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sum(rate(gatus_results_total{success="true"}[5m])*60) by (key)
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```
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@ -15,7 +15,6 @@
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"editable": true,
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"gnetId": null,
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"graphTooltip": 0,
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"id": 2,
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"links": [],
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"panels": [
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{
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@ -24,20 +23,26 @@
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"dashLength": 10,
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"dashes": false,
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"datasource": null,
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"description": "Number of results per minute",
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"fill": 1,
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"fillGradient": 0,
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"gridPos": {
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"h": 14,
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"h": 7,
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"w": 12,
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"x": 0,
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"y": 0
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},
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"id": 2,
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"interval": "",
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"legend": {
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"alignAsTable": false,
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"avg": false,
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"current": false,
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"hideEmpty": false,
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"hideZero": false,
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"max": false,
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"min": false,
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"rightSide": false,
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"show": true,
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"total": false,
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"values": false
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@ -58,9 +63,13 @@
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"steppedLine": false,
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"targets": [
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{
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"expr": "sum(rate(gatus_tasks[30s])) by (endpoint)",
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"expr": "sum(rate(gatus_results_total[5m])*60) by (key)",
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"format": "time_series",
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"hide": false,
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"instant": false,
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"interval": "30s",
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"legendFormat": "{{endpoint}}",
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"intervalFactor": 1,
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"legendFormat": "{{key}}",
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"refId": "A"
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}
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],
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@ -68,7 +77,7 @@
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"timeFrom": null,
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"timeRegions": [],
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"timeShift": null,
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"title": "All tasks executed over time",
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"title": "Total results per minute",
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"tooltip": {
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"shared": true,
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"sort": 0,
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@ -84,6 +93,7 @@
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},
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"yaxes": [
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{
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"decimals": null,
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"format": "short",
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"label": null,
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"logBase": 1,
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@ -119,93 +129,6 @@
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"x": 12,
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"y": 0
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},
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"id": 3,
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"legend": {
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"avg": false,
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"current": false,
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"max": false,
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"min": false,
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"show": true,
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"total": false,
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"values": false
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},
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"lines": true,
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"linewidth": 1,
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"nullPointMode": "null",
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"options": {
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"dataLinks": []
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},
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"percentage": false,
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"pointradius": 2,
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"points": false,
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"renderer": "flot",
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"seriesOverrides": [],
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"spaceLength": 10,
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"stack": false,
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"steppedLine": false,
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"targets": [
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{
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"expr": "sum(rate(gatus_tasks{success=\"false\"}[30s])) by (endpoint)",
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"interval": "30s",
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"legendFormat": "{{endpoint}}",
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"refId": "A"
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}
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],
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"thresholds": [],
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"timeFrom": null,
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"timeRegions": [],
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"timeShift": null,
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"title": "Unsuccessful tasks",
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"tooltip": {
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"shared": true,
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"sort": 0,
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"value_type": "individual"
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},
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"type": "graph",
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"xaxis": {
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"buckets": null,
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"mode": "time",
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"name": null,
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"show": true,
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"values": []
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},
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"yaxes": [
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{
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"format": "short",
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"label": null,
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"logBase": 1,
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"max": null,
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"min": null,
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"show": true
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},
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{
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"format": "short",
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"label": null,
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"logBase": 1,
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"max": null,
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"min": null,
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"show": true
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}
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],
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"yaxis": {
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"align": false,
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"alignLevel": null
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}
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},
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{
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"aliasColors": {},
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"bars": false,
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"dashLength": 10,
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"dashes": false,
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"datasource": null,
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"fill": 1,
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"fillGradient": 0,
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"gridPos": {
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"h": 7,
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"w": 12,
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"x": 12,
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"y": 7
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},
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"id": 5,
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"legend": {
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"avg": false,
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@ -232,10 +155,10 @@
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"steppedLine": false,
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"targets": [
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{
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"expr": "sum(rate(gatus_tasks{success=\"true\"}[30s])) by (endpoint)",
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"expr": "sum(rate(gatus_results_total{success=\"true\"}[5m])*60) by (key)",
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"instant": false,
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"interval": "30s",
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"legendFormat": "{{endpoint}}",
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"legendFormat": "{{key}}",
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"refId": "A"
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}
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],
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@ -243,7 +166,183 @@
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"timeFrom": null,
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"timeRegions": [],
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"timeShift": null,
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"title": "Successful tasks",
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"title": "Successful results per minute",
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"tooltip": {
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"shared": true,
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"sort": 0,
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"value_type": "individual"
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},
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"type": "graph",
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"xaxis": {
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"buckets": null,
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"mode": "time",
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"name": null,
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"show": true,
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"values": []
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},
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"yaxes": [
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{
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"decimals": null,
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"format": "short",
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"label": null,
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"logBase": 1,
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"max": null,
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"min": null,
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"show": true
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},
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{
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"format": "short",
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"label": null,
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"logBase": 1,
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"max": null,
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"min": null,
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"show": true
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}
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],
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"yaxis": {
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"align": false,
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"alignLevel": null
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}
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},
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{
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"cacheTimeout": null,
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"colorBackground": false,
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"colorPostfix": false,
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"colorPrefix": false,
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"colorValue": true,
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"colors": [
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"#299c46",
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"rgba(237, 129, 40, 0.89)",
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"#d44a3a"
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],
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"datasource": null,
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"format": "none",
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"gauge": {
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"maxValue": 100,
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"minValue": 0,
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"show": false,
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"thresholdLabels": false,
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"thresholdMarkers": true
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},
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"gridPos": {
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"h": 7,
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"w": 12,
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"x": 0,
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"y": 7
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},
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"id": 7,
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"interval": "",
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"links": [],
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"mappingType": 1,
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"mappingTypes": [
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{
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"name": "value to text",
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"value": 1
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},
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{
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"name": "range to text",
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"value": 2
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}
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],
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"maxDataPoints": 100,
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"nullPointMode": "connected",
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"nullText": null,
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"options": {},
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"postfix": "",
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"postfixFontSize": "50%",
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"prefix": "",
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"prefixFontSize": "50%",
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"rangeMaps": [
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{
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"from": "null",
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"text": "N/A",
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"to": "null"
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}
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],
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"sparkline": {
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"fillColor": "rgba(31, 118, 189, 0.18)",
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"full": false,
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"lineColor": "rgb(31, 120, 193)",
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"show": true,
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"ymax": null,
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"ymin": null
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},
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"tableColumn": "",
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"targets": [
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{
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"expr": "rate(gatus_results_total{success=\"false\"}[1m])*60",
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"format": "time_series",
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"instant": false,
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"intervalFactor": 1,
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"refId": "A"
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}
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],
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"thresholds": "1,2",
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"timeFrom": null,
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"timeShift": null,
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"title": "Unsuccessful results",
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"type": "singlestat",
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"valueFontSize": "150%",
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"valueMaps": [
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{
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"op": "=",
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"text": "N/A",
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"value": "null"
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}
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],
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"valueName": "current"
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},
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{
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"aliasColors": {},
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"bars": false,
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"dashLength": 10,
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"dashes": false,
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"datasource": null,
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"fill": 1,
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"fillGradient": 0,
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"gridPos": {
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"h": 7,
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"w": 12,
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"x": 12,
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"y": 7
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},
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"id": 3,
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"legend": {
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"avg": false,
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"current": false,
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"max": false,
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"min": false,
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"show": true,
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"total": false,
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"values": false
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},
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"lines": true,
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"linewidth": 1,
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"nullPointMode": "null",
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"options": {
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"dataLinks": []
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},
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"percentage": false,
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"pointradius": 2,
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"points": false,
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"renderer": "flot",
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"seriesOverrides": [],
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"spaceLength": 10,
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"stack": false,
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"steppedLine": false,
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"targets": [
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{
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"expr": "sum(rate(gatus_results_total{success=\"false\"}[5m])*60) by (key)",
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"interval": "30s",
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"legendFormat": "{{key}} ",
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"refId": "A"
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}
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],
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"thresholds": [],
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"timeFrom": null,
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"timeRegions": [],
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"timeShift": null,
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"title": "Unsuccessful results per minute",
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"tooltip": {
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"shared": true,
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"sort": 0,
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@ -289,12 +388,12 @@
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"list": []
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},
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"time": {
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"from": "now-30m",
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"from": "now-1h",
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"to": "now"
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},
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"timepicker": {},
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"timezone": "",
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"title": "Gatus",
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"uid": "KPI7Qj1Wk",
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"version": 3
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"version": 1
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}
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@ -1,9 +1,7 @@
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package metric
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import (
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"fmt"
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"strconv"
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"sync"
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"github.com/TwiN/gatus/v3/core"
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"github.com/prometheus/client_golang/prometheus"
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@ -11,24 +9,19 @@ import (
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)
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var (
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gauges = map[string]*prometheus.GaugeVec{}
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rwLock sync.RWMutex
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// This will be initialized once PublishMetricsForEndpoint.
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// The reason why we're doing this is that if metrics are disabled, we don't want to initialize it unnecessarily.
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resultCount *prometheus.CounterVec = nil
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)
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// PublishMetricsForEndpoint publishes metrics for the given endpoint and its result.
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// These metrics will be exposed at /metrics if the metrics are enabled
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func PublishMetricsForEndpoint(endpoint *core.Endpoint, result *core.Result) {
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rwLock.Lock()
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gauge, exists := gauges[fmt.Sprintf("%s_%s", endpoint.Name, endpoint.URL)]
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if !exists {
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gauge = promauto.NewGaugeVec(prometheus.GaugeOpts{
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Subsystem: "gatus",
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Name: "tasks",
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// TODO: remove the "service" key in v4.0.0, as it is only kept for backward compatibility
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ConstLabels: prometheus.Labels{"service": endpoint.Name, "endpoint": endpoint.Name, "url": endpoint.URL},
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}, []string{"status", "success"})
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gauges[fmt.Sprintf("%s_%s", endpoint.Name, endpoint.URL)] = gauge
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if resultCount == nil {
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resultCount = promauto.NewCounterVec(prometheus.CounterOpts{
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Name: "gatus_results_total",
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Help: "Number of results per endpoint",
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}, []string{"key", "group", "name", "success"})
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}
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rwLock.Unlock()
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gauge.WithLabelValues(strconv.Itoa(result.HTTPStatus), strconv.FormatBool(result.Success)).Inc()
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resultCount.WithLabelValues(endpoint.Key(), endpoint.Group, endpoint.Name, strconv.FormatBool(result.Success)).Inc()
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}
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