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Add summary metrics to apiserver for easier debugging and future use in performance tests

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This commit is contained in:
Filip Grzadkowski 2015-04-28 14:27:18 +02:00
parent 7a122a42d4
commit c1c24f645c
1 changed files with 9 additions and 0 deletions
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9
pkg/apiserver/apiserver.go
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@ -65,11 +65,19 @@ var (
}, },
[]string{"verb", "resource", "client"}, []string{"verb", "resource", "client"},
) )
requestLatenciesSummary = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Name: "apiserver_request_latencies_summary",
Help: "Response latency summary in microseconds for each verb and resource.",
},
[]string{"verb", "resource"},
)
) )
func init() { func init() {
prometheus.MustRegister(requestCounter) prometheus.MustRegister(requestCounter)
prometheus.MustRegister(requestLatencies) prometheus.MustRegister(requestLatencies)
prometheus.MustRegister(requestLatenciesSummary)
} }
// monitor is a helper function for each HTTP request handler to use for // monitor is a helper function for each HTTP request handler to use for
@ -77,6 +85,7 @@ func init() {
func monitor(verb, resource *string, client string, httpCode *int, reqStart time.Time) { func monitor(verb, resource *string, client string, httpCode *int, reqStart time.Time) {
requestCounter.WithLabelValues(*verb, *resource, client, strconv.Itoa(*httpCode)).Inc() requestCounter.WithLabelValues(*verb, *resource, client, strconv.Itoa(*httpCode)).Inc()
requestLatencies.WithLabelValues(*verb, *resource, client).Observe(float64((time.Since(reqStart)) / time.Microsecond)) requestLatencies.WithLabelValues(*verb, *resource, client).Observe(float64((time.Since(reqStart)) / time.Microsecond))
requestLatenciesSummary.WithLabelValues(*verb, *resource).Observe(float64((time.Since(reqStart)) / time.Microsecond))
} }
// monitorFilter creates a filter that reports the metrics for a given resource and action. // monitorFilter creates a filter that reports the metrics for a given resource and action.