kubernetes/test/instrumentation/metric.go
Han Kang c2f67ac141 add support for parsing custom collectors from the stability framework
Change-Id: I1053b9f6956de571700c95b96e05c4377806a3cc
2022-11-01 13:56:57 -07:00

67 lines
2.6 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"
customType = "Custom"
)
type metric struct {
Name string `yaml:"name" json:"name"`
Subsystem string `yaml:"subsystem,omitempty" json:"subsystem,omitempty"`
Namespace string `yaml:"namespace,omitempty" json:"namespace,omitempty"`
Help string `yaml:"help,omitempty" json:"help,omitempty"`
Type string `yaml:"type,omitempty" json:"type,omitempty"`
DeprecatedVersion string `yaml:"deprecatedVersion,omitempty" json:"deprecatedVersion,omitempty"`
StabilityLevel string `yaml:"stabilityLevel,omitempty" json:"stabilityLevel,omitempty"`
Labels []string `yaml:"labels,omitempty" json:"labels,omitempty"`
Buckets []float64 `yaml:"buckets,omitempty" json:"buckets,omitempty"`
Objectives map[float64]float64 `yaml:"objectives,omitempty" json:"objectives,omitempty"`
AgeBuckets uint32 `yaml:"ageBuckets,omitempty" json:"ageBuckets,omitempty"`
BufCap uint32 `yaml:"bufCap,omitempty" json:"bufCap,omitempty"`
MaxAge int64 `yaml:"maxAge,omitempty" json:"maxAge,omitempty"`
ConstLabels map[string]string `yaml:"constLabels,omitempty" json:"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 {
if ms[i].StabilityLevel < ms[j].StabilityLevel {
return true
} else if ms[i].StabilityLevel > ms[j].StabilityLevel {
return false
}
return ms[i].buildFQName() < ms[j].buildFQName()
}
func (ms byFQName) Swap(i, j int) {
ms[i], ms[j] = ms[j], ms[i]
}