mirror of
https://github.com/TwiN/gatus.git
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35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
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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"github.com/prometheus/client_golang/prometheus/promauto"
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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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)
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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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}
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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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}
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