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feat(metrics): Add URL to metrics labels

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Daniel Santos 2024-10-02 16:24:29 -06:00
parent 3a7be5caff
commit a1beb07ee0
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2 changed files with 37 additions and 32 deletions
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27
metrics/metrics.go
View file

@ -25,27 +25,27 @@ func initializePrometheusMetrics() {
Namespace: namespace,
Name: "results_total",
Help: "Number of results per endpoint",
}, []string{"key", "group", "name", "type", "success"})
}, []string{"key", "group", "name", "type", "success", "url"})
resultDurationSeconds = promauto.NewGaugeVec(prometheus.GaugeOpts{
Namespace: namespace,
Name: "results_duration_seconds",
Help: "Duration of the request in seconds",
}, []string{"key", "group", "name", "type"})
}, []string{"key", "group", "name", "type", "url"})
resultConnectedTotal = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: namespace,
Name: "results_connected_total",
Help: "Total number of results in which a connection was successfully established",
}, []string{"key", "group", "name", "type"})
}, []string{"key", "group", "name", "type", "url"})
resultCodeTotal = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: namespace,
Name: "results_code_total",
Help: "Total number of results by code",
}, []string{"key", "group", "name", "type", "code"})
}, []string{"key", "group", "name", "type", "code", "url"})
resultCertificateExpirationSeconds = promauto.NewGaugeVec(prometheus.GaugeOpts{
Namespace: namespace,
Name: "results_certificate_expiration_seconds",
Help: "Number of seconds until the certificate expires",
}, []string{"key", "group", "name", "type"})
}, []string{"key", "group", "name", "type", "url"})
}
// PublishMetricsForEndpoint publishes metrics for the given endpoint and its result.
@ -56,18 +56,23 @@ func PublishMetricsForEndpoint(ep *endpoint.Endpoint, result *endpoint.Result) {
initializedMetrics = true
}
endpointType := ep.Type()
resultTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), strconv.FormatBool(result.Success)).Inc()
resultDurationSeconds.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType)).Set(result.Duration.Seconds())
resultTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), strconv.FormatBool(result.Success), ep.URL).Inc()
resultDurationSeconds.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), ep.URL).Set(result.Duration.Seconds())
if result.Connected {
resultConnectedTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType)).Inc()
switch endpointType {
case endpoint.TypeDNS:
resultConnectedTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), ep.DNSConfig.QueryName).Inc()
default:
resultConnectedTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), ep.URL).Inc()
}
}
if result.DNSRCode != "" {
resultCodeTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), result.DNSRCode).Inc()
resultCodeTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), result.DNSRCode, ep.DNSConfig.QueryName).Inc()
}
if result.HTTPStatus != 0 {
resultCodeTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), strconv.Itoa(result.HTTPStatus)).Inc()
resultCodeTotal.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), strconv.Itoa(result.HTTPStatus), ep.URL).Inc()
}
if result.CertificateExpiration != 0 {
resultCertificateExpirationSeconds.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType)).Set(result.CertificateExpiration.Seconds())
resultCertificateExpirationSeconds.WithLabelValues(ep.Key(), ep.Group, ep.Name, string(endpointType), ep.URL).Set(result.CertificateExpiration.Seconds())
}
}

42
metrics/metrics_test.go
View file

@ -27,19 +27,19 @@ func TestPublishMetricsForEndpoint(t *testing.T) {
err := testutil.GatherAndCompare(prometheus.Gatherers{prometheus.DefaultGatherer}, bytes.NewBufferString(`
# HELP gatus_results_certificate_expiration_seconds Number of seconds until the certificate expires
# TYPE gatus_results_certificate_expiration_seconds gauge
gatus_results_certificate_expiration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 176400
gatus_results_certificate_expiration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 176400
# HELP gatus_results_code_total Total number of results by code
# TYPE gatus_results_code_total counter
gatus_results_code_total{code="200",group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 1
gatus_results_code_total{code="200",group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 1
# HELP gatus_results_connected_total Total number of results in which a connection was successfully established
# TYPE gatus_results_connected_total counter
gatus_results_connected_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 1
gatus_results_connected_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 1
# HELP gatus_results_duration_seconds Duration of the request in seconds
# TYPE gatus_results_duration_seconds gauge
gatus_results_duration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 0.123
gatus_results_duration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 0.123
# HELP gatus_results_total Number of results per endpoint
# TYPE gatus_results_total counter
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="true",type="HTTP"} 1
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="true",type="HTTP",url="https://example.org"} 1
`), "gatus_results_code_total", "gatus_results_connected_total", "gatus_results_duration_seconds", "gatus_results_total", "gatus_results_certificate_expiration_seconds")
if err != nil {
t.Errorf("Expected no errors but got: %v", err)
@ -58,20 +58,20 @@ gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name=
err = testutil.GatherAndCompare(prometheus.Gatherers{prometheus.DefaultGatherer}, bytes.NewBufferString(`
# HELP gatus_results_certificate_expiration_seconds Number of seconds until the certificate expires
# TYPE gatus_results_certificate_expiration_seconds gauge
gatus_results_certificate_expiration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 169200
gatus_results_certificate_expiration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 169200
# HELP gatus_results_code_total Total number of results by code
# TYPE gatus_results_code_total counter
gatus_results_code_total{code="200",group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 2
gatus_results_code_total{code="200",group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 2
# HELP gatus_results_connected_total Total number of results in which a connection was successfully established
# TYPE gatus_results_connected_total counter
gatus_results_connected_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 2
gatus_results_connected_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 2
# HELP gatus_results_duration_seconds Duration of the request in seconds
# TYPE gatus_results_duration_seconds gauge
gatus_results_duration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 0.125
gatus_results_duration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 0.125
# HELP gatus_results_total Number of results per endpoint
# TYPE gatus_results_total counter
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="false",type="HTTP"} 1
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="true",type="HTTP"} 1
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="false",type="HTTP",url="https://example.org"} 1
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="true",type="HTTP",url="https://example.org"} 1
`), "gatus_results_code_total", "gatus_results_connected_total", "gatus_results_duration_seconds", "gatus_results_total", "gatus_results_certificate_expiration_seconds")
if err != nil {
t.Errorf("Expected no errors but got: %v", err)
@ -92,24 +92,24 @@ gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name=
err = testutil.GatherAndCompare(prometheus.Gatherers{prometheus.DefaultGatherer}, bytes.NewBufferString(`
# HELP gatus_results_certificate_expiration_seconds Number of seconds until the certificate expires
# TYPE gatus_results_certificate_expiration_seconds gauge
gatus_results_certificate_expiration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 169200
gatus_results_certificate_expiration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 169200
# HELP gatus_results_code_total Total number of results by code
# TYPE gatus_results_code_total counter
gatus_results_code_total{code="200",group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 2
gatus_results_code_total{code="NOERROR",group="dns-ep-group",key="dns-ep-group_dns-ep-name",name="dns-ep-name",type="DNS"} 1
gatus_results_code_total{code="200",group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 2
gatus_results_code_total{code="NOERROR",group="dns-ep-group",key="dns-ep-group_dns-ep-name",name="dns-ep-name",type="DNS",url="example.com."} 1
# HELP gatus_results_connected_total Total number of results in which a connection was successfully established
# TYPE gatus_results_connected_total counter
gatus_results_connected_total{group="dns-ep-group",key="dns-ep-group_dns-ep-name",name="dns-ep-name",type="DNS"} 1
gatus_results_connected_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 2
gatus_results_connected_total{group="dns-ep-group",key="dns-ep-group_dns-ep-name",name="dns-ep-name",type="DNS",url="example.com."} 1
gatus_results_connected_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 2
# HELP gatus_results_duration_seconds Duration of the request in seconds
# TYPE gatus_results_duration_seconds gauge
gatus_results_duration_seconds{group="dns-ep-group",key="dns-ep-group_dns-ep-name",name="dns-ep-name",type="DNS"} 0.05
gatus_results_duration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP"} 0.125
gatus_results_duration_seconds{group="dns-ep-group",key="dns-ep-group_dns-ep-name",name="dns-ep-name",type="DNS",url="8.8.8.8"} 0.05
gatus_results_duration_seconds{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",type="HTTP",url="https://example.org"} 0.125
# HELP gatus_results_total Number of results per endpoint
# TYPE gatus_results_total counter
gatus_results_total{group="dns-ep-group",key="dns-ep-group_dns-ep-name",name="dns-ep-name",success="true",type="DNS"} 1
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="false",type="HTTP"} 1
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="true",type="HTTP"} 1
gatus_results_total{group="dns-ep-group",key="dns-ep-group_dns-ep-name",name="dns-ep-name",success="true",type="DNS",url="8.8.8.8"} 1
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="false",type="HTTP",url="https://example.org"} 1
gatus_results_total{group="http-ep-group",key="http-ep-group_http-ep-name",name="http-ep-name",success="true",type="HTTP",url="https://example.org"} 1
`), "gatus_results_code_total", "gatus_results_connected_total", "gatus_results_duration_seconds", "gatus_results_total", "gatus_results_certificate_expiration_seconds")
if err != nil {
t.Errorf("Expected no errors but got: %v", err)