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e8381db778
* Update Kubernetes to v1.21.0 * Update to golang v1.16.2 * Update dependent modules to track with upstream * Switch to upstream flannel * Track changes to upstream cloud-controller-manager and FeatureGates Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
/*
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Copyright 2020 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package service
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import (
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"k8s.io/component-base/metrics"
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"k8s.io/component-base/metrics/legacyregistry"
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"sync"
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)
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const (
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// subSystemName is the name of this subsystem name used for prometheus metrics.
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subSystemName = "service_controller"
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)
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var register sync.Once
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// registerMetrics registers service-controller metrics.
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func registerMetrics() {
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register.Do(func() {
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legacyregistry.MustRegister(nodeSyncLatency)
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legacyregistry.MustRegister(updateLoadBalancerHostLatency)
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})
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}
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var (
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nodeSyncLatency = metrics.NewHistogram(&metrics.HistogramOpts{
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Name: "nodesync_latency_seconds",
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Subsystem: subSystemName,
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Help: "A metric measuring the latency for nodesync which updates loadbalancer hosts on cluster node updates.",
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// Buckets from 1s to 16384s
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Buckets: metrics.ExponentialBuckets(1, 2, 15),
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StabilityLevel: metrics.ALPHA,
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})
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updateLoadBalancerHostLatency = metrics.NewHistogram(&metrics.HistogramOpts{
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Name: "update_loadbalancer_host_latency_seconds",
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Subsystem: subSystemName,
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Help: "A metric measuring the latency for updating each load balancer hosts.",
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// Buckets from 1s to 16384s
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Buckets: metrics.ExponentialBuckets(1, 2, 15),
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StabilityLevel: metrics.ALPHA,
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})
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)
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