8aae277113
Revert "feat(metrics): Add URL to metrics labels (#875)" This reverts commit e88f47f0f41e25209320dafb3d4ba2808a8a1851.
74 lines
3.0 KiB
Go
74 lines
3.0 KiB
Go
package metrics
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import (
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"strconv"
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"github.com/TwiN/gatus/v5/config/endpoint"
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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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const namespace = "gatus" // The prefix of the metrics
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var (
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initializedMetrics bool // Whether the metrics have been initialized
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resultTotal *prometheus.CounterVec
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resultDurationSeconds *prometheus.GaugeVec
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resultConnectedTotal *prometheus.CounterVec
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resultCodeTotal *prometheus.CounterVec
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resultCertificateExpirationSeconds *prometheus.GaugeVec
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)
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func initializePrometheusMetrics() {
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resultTotal = promauto.NewCounterVec(prometheus.CounterOpts{
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Namespace: namespace,
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Name: "results_total",
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Help: "Number of results per endpoint",
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}, []string{"key", "group", "name", "type", "success"})
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resultDurationSeconds = promauto.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: namespace,
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Name: "results_duration_seconds",
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Help: "Duration of the request in seconds",
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}, []string{"key", "group", "name", "type"})
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resultConnectedTotal = promauto.NewCounterVec(prometheus.CounterOpts{
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Namespace: namespace,
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Name: "results_connected_total",
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Help: "Total number of results in which a connection was successfully established",
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}, []string{"key", "group", "name", "type"})
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resultCodeTotal = promauto.NewCounterVec(prometheus.CounterOpts{
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Namespace: namespace,
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Name: "results_code_total",
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Help: "Total number of results by code",
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}, []string{"key", "group", "name", "type", "code"})
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resultCertificateExpirationSeconds = promauto.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: namespace,
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Name: "results_certificate_expiration_seconds",
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Help: "Number of seconds until the certificate expires",
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}, []string{"key", "group", "name", "type"})
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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(ep *endpoint.Endpoint, result *endpoint.Result) {
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if !initializedMetrics {
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initializePrometheusMetrics()
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initializedMetrics = true
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}
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endpointType := ep.Type()
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resultTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), strconv.FormatBool(result.Success)).Inc()
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resultDurationSeconds.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType)).Set(result.Duration.Seconds())
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if result.Connected {
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resultConnectedTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType)).Inc()
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}
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if result.DNSRCode != "" {
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resultCodeTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), result.DNSRCode).Inc()
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}
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if result.HTTPStatus != 0 {
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resultCodeTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), strconv.Itoa(result.HTTPStatus)).Inc()
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}
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if result.CertificateExpiration != 0 {
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resultCertificateExpirationSeconds.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType)).Set(result.CertificateExpiration.Seconds())
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}
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}
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