Files
node-problem-detector/pkg/util/metrics/metric.go

61 lines
1.6 KiB
Go

/*
Copyright 2019 The Kubernetes Authors All rights reserved.
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 metrics
import (
"sync"
)
const (
ProblemCounterID MetricID = "problem_counter"
ProblemGaugeID MetricID = "problem_gauge"
DiskIOTimeID MetricID = "disk/io_time"
DiskWeightedIOID MetricID = "disk/weighted_io"
DiskAvgQueueLenID MetricID = "disk/avg_queue_len"
HostUptimeID MetricID = "host/uptime"
)
var MetricMap MetricMapping
func init() {
MetricMap.mapMutex.Lock()
defer MetricMap.mapMutex.Unlock()
MetricMap.viewNameToMetricIDMap = make(map[string]MetricID)
}
type MetricID string
type MetricMapping struct {
viewNameToMetricIDMap map[string]MetricID
mapMutex sync.RWMutex
}
func (mm *MetricMapping) AddMapping(metricID MetricID, viewName string) {
mm.mapMutex.Lock()
defer mm.mapMutex.Unlock()
mm.viewNameToMetricIDMap[viewName] = metricID
}
func (mm *MetricMapping) ViewNameToMetricID(viewName string) (MetricID, bool) {
mm.mapMutex.RLock()
defer mm.mapMutex.RUnlock()
id, ok := mm.viewNameToMetricIDMap[viewName]
return id, ok
}