mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-03 19:58:17 +00:00
84 lines
2.4 KiB
Go
84 lines
2.4 KiB
Go
/*
|
|
Copyright 2017 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 nodelifecycle
|
|
|
|
import (
|
|
"sync"
|
|
|
|
"k8s.io/component-base/metrics"
|
|
"k8s.io/component-base/metrics/legacyregistry"
|
|
)
|
|
|
|
const (
|
|
nodeControllerSubsystem = "node_collector"
|
|
zoneHealthStatisticKey = "zone_health"
|
|
zoneSizeKey = "zone_size"
|
|
zoneNoUnhealthyNodesKey = "unhealthy_nodes_in_zone"
|
|
evictionsNumberKey = "evictions_number"
|
|
)
|
|
|
|
var (
|
|
zoneHealth = metrics.NewGaugeVec(
|
|
&metrics.GaugeOpts{
|
|
Subsystem: nodeControllerSubsystem,
|
|
Name: zoneHealthStatisticKey,
|
|
Help: "Gauge measuring percentage of healthy nodes per zone.",
|
|
StabilityLevel: metrics.ALPHA,
|
|
},
|
|
[]string{"zone"},
|
|
)
|
|
zoneSize = metrics.NewGaugeVec(
|
|
&metrics.GaugeOpts{
|
|
Subsystem: nodeControllerSubsystem,
|
|
Name: zoneSizeKey,
|
|
Help: "Gauge measuring number of registered Nodes per zones.",
|
|
StabilityLevel: metrics.ALPHA,
|
|
},
|
|
[]string{"zone"},
|
|
)
|
|
unhealthyNodes = metrics.NewGaugeVec(
|
|
&metrics.GaugeOpts{
|
|
Subsystem: nodeControllerSubsystem,
|
|
Name: zoneNoUnhealthyNodesKey,
|
|
Help: "Gauge measuring number of not Ready Nodes per zones.",
|
|
StabilityLevel: metrics.ALPHA,
|
|
},
|
|
[]string{"zone"},
|
|
)
|
|
evictionsNumber = metrics.NewCounterVec(
|
|
&metrics.CounterOpts{
|
|
Subsystem: nodeControllerSubsystem,
|
|
Name: evictionsNumberKey,
|
|
Help: "Number of Node evictions that happened since current instance of NodeController started.",
|
|
StabilityLevel: metrics.ALPHA,
|
|
},
|
|
[]string{"zone"},
|
|
)
|
|
)
|
|
|
|
var registerMetrics sync.Once
|
|
|
|
// Register the metrics that are to be monitored.
|
|
func Register() {
|
|
registerMetrics.Do(func() {
|
|
legacyregistry.MustRegister(zoneHealth)
|
|
legacyregistry.MustRegister(zoneSize)
|
|
legacyregistry.MustRegister(unhealthyNodes)
|
|
legacyregistry.MustRegister(evictionsNumber)
|
|
})
|
|
}
|