kubernetes/test/instrumentation/metric.go
Han Kang 52097bc02d add support for timing histograms and const labels
Change-Id: I8f77d5e16c01a403c7cfdccec464a81f4e3beba0
2022-10-11 17:19:14 -07:00

61 lines
2.1 KiB
Go

/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import (
"k8s.io/component-base/metrics"
)
const (
counterMetricType = "Counter"
gaugeMetricType = "Gauge"
histogramMetricType = "Histogram"
summaryMetricType = "Summary"
timingRatioHistogram = "TimingRatioHistogram"
)
type metric struct {
Name string `yaml:"name"`
Subsystem string `yaml:"subsystem,omitempty"`
Namespace string `yaml:"namespace,omitempty"`
Help string `yaml:"help,omitempty"`
Type string `yaml:"type,omitempty"`
DeprecatedVersion string `yaml:"deprecatedVersion,omitempty"`
StabilityLevel string `yaml:"stabilityLevel,omitempty"`
Labels []string `yaml:"labels,omitempty"`
Buckets []float64 `yaml:"buckets,omitempty"`
Objectives map[float64]float64 `yaml:"objectives,omitempty"`
AgeBuckets uint32 `yaml:"ageBuckets,omitempty"`
BufCap uint32 `yaml:"bufCap,omitempty"`
MaxAge int64 `yaml:"maxAge,omitempty"`
ConstLabels map[string]string `yaml:"constLabels,omitempty"`
}
func (m metric) buildFQName() string {
return metrics.BuildFQName(m.Namespace, m.Subsystem, m.Name)
}
type byFQName []metric
func (ms byFQName) Len() int { return len(ms) }
func (ms byFQName) Less(i, j int) bool {
return ms[i].buildFQName() < ms[j].buildFQName()
}
func (ms byFQName) Swap(i, j int) {
ms[i], ms[j] = ms[j], ms[i]
}