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metrics.go
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metrics.go
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/*
Copyright 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 orchestration
import (
"github.com/prometheus/client_golang/prometheus"
crmetrics "sigs.k8s.io/controller-runtime/pkg/metrics"
"sigs.k8s.io/karpenter/pkg/metrics"
)
func init() {
crmetrics.Registry.MustRegister(disruptionReplacementNodeClaimInitializedHistogram, disruptionReplacementNodeClaimFailedCounter, disruptionQueueDepthGauge)
}
const (
disruptionSubsystem = "disruption"
methodLabel = "method"
consolidationTypeLabel = "consolidation_type"
)
var (
disruptionReplacementNodeClaimInitializedHistogram = prometheus.NewHistogram(
prometheus.HistogramOpts{
Namespace: metrics.Namespace,
Subsystem: disruptionSubsystem,
Name: "replacement_nodeclaim_initialized_seconds",
Help: "Amount of time required for a replacement nodeclaim to become initialized.",
Buckets: metrics.DurationBuckets(),
},
)
disruptionReplacementNodeClaimFailedCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: metrics.Namespace,
Subsystem: disruptionSubsystem,
Name: "replacement_nodeclaim_failures_total",
Help: "The number of times that Karpenter failed to launch a replacement node for disruption. Labeled by disruption method.",
},
[]string{methodLabel, consolidationTypeLabel},
)
disruptionQueueDepthGauge = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: metrics.Namespace,
Subsystem: disruptionSubsystem,
Name: "queue_depth",
Help: "The number of commands currently being waited on in the disruption orchestration queue.",
},
)
)