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Instrument transformer.go with latency metrics.

pull/8/head
immutablet 2018-03-15 14:13:24 -07:00
parent e54864f53d
commit 04a6613fb5
2 changed files with 6 additions and 5 deletions
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8
staging/src/k8s.io/apiserver/pkg/storage/value/metrics.go
View File

@ -31,7 +31,7 @@ var (
TransformerOperationalLatencies = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Subsystem: valueSubsystem,
Name: "storage_transformation_latency_microseconds",
Name: "apiserver_storage_transformation_latency_microseconds",
Help: "Latency in microseconds of value transformation operations.",
},
[]string{"transformation_type"},
@ -47,9 +47,9 @@ func RegisterMetrics() {
}
func RecordTransformation(transformationType string, start time.Time) {
TransformerOperationalLatencies.WithLabelValues(transformationType).Observe(sinceInMicroseconds(start))
TransformerOperationalLatencies.WithLabelValues(transformationType).Observe(float64(sinceInMicroseconds(start)))
}
func sinceInMicroseconds(start time.Time) float64 {
return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
func sinceInMicroseconds(start time.Time) time.Duration {
return time.Since(start) / time.Microsecond
}

3
test/integration/master/transformation_testcase.go
View File

@ -48,7 +48,7 @@ const (
encryptionConfigFileName = "encryption.conf"
testNamespace = "secret-encryption-test"
testSecret = "test-secret"
latencySummaryMetricsFamily = "value_storage_transformation_latency_microseconds"
latencySummaryMetricsFamily = "value_apiserver_storage_transformation_latency_microseconds"
)
type unSealSecret func(cipherText []byte, ctx value.Context, config encryptionconfig.ProviderConfig) ([]byte, error)
@ -241,6 +241,7 @@ func (e *transformTest) readRawRecordFromETCD(path string) (*clientv3.GetRespons
}
func (e *transformTest) printMetrics() error {
e.logger.Logf("Transformation Metrics:")
metrics, err := prometheus.DefaultGatherer.Gather()
if err != nil {
return fmt.Errorf("failed to gather metrics: %s", err)