mirror of
https://github.com/k3s-io/k3s.git
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139 lines
4.5 KiB
Go
139 lines
4.5 KiB
Go
/*
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Copyright 2017 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 vclib
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import (
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"time"
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"k8s.io/component-base/metrics"
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"k8s.io/component-base/metrics/legacyregistry"
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)
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// Cloud Provider API constants
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const (
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APICreateVolume = "CreateVolume"
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APIDeleteVolume = "DeleteVolume"
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APIAttachVolume = "AttachVolume"
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APIDetachVolume = "DetachVolume"
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)
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// Cloud Provider Operation constants
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const (
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OperationDeleteVolume = "DeleteVolumeOperation"
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OperationAttachVolume = "AttachVolumeOperation"
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OperationDetachVolume = "DetachVolumeOperation"
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OperationDiskIsAttached = "DiskIsAttachedOperation"
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OperationDisksAreAttached = "DisksAreAttachedOperation"
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OperationCreateVolume = "CreateVolumeOperation"
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OperationCreateVolumeWithPolicy = "CreateVolumeWithPolicyOperation"
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OperationCreateVolumeWithRawVSANPolicy = "CreateVolumeWithRawVSANPolicyOperation"
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)
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// vsphereAPIMetric is for recording latency of Single API Call.
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var vsphereAPIMetric = metrics.NewHistogramVec(
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&metrics.HistogramOpts{
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Name: "cloudprovider_vsphere_api_request_duration_seconds",
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Help: "Latency of vsphere api call",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"request"},
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)
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var vsphereAPIErrorMetric = metrics.NewCounterVec(
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&metrics.CounterOpts{
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Name: "cloudprovider_vsphere_api_request_errors",
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Help: "vsphere Api errors",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"request"},
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)
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// vsphereOperationMetric is for recording latency of vSphere Operation which invokes multiple APIs to get the task done.
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var vsphereOperationMetric = metrics.NewHistogramVec(
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&metrics.HistogramOpts{
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Name: "cloudprovider_vsphere_operation_duration_seconds",
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Help: "Latency of vsphere operation call",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"operation"},
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)
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var vsphereOperationErrorMetric = metrics.NewCounterVec(
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&metrics.CounterOpts{
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Name: "cloudprovider_vsphere_operation_errors",
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Help: "vsphere operation errors",
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StabilityLevel: metrics.ALPHA,
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},
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[]string{"operation"},
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)
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// RegisterMetrics registers all the API and Operation metrics
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func RegisterMetrics() {
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legacyregistry.MustRegister(vsphereAPIMetric)
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legacyregistry.MustRegister(vsphereAPIErrorMetric)
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legacyregistry.MustRegister(vsphereOperationMetric)
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legacyregistry.MustRegister(vsphereOperationErrorMetric)
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}
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// RecordvSphereMetric records the vSphere API and Operation metrics
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func RecordvSphereMetric(actionName string, requestTime time.Time, err error) {
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switch actionName {
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case APICreateVolume, APIDeleteVolume, APIAttachVolume, APIDetachVolume:
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recordvSphereAPIMetric(actionName, requestTime, err)
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default:
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recordvSphereOperationMetric(actionName, requestTime, err)
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}
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}
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func recordvSphereAPIMetric(actionName string, requestTime time.Time, err error) {
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if err != nil {
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vsphereAPIErrorMetric.With(metrics.Labels{"request": actionName}).Inc()
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} else {
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vsphereAPIMetric.With(metrics.Labels{"request": actionName}).Observe(calculateTimeTaken(requestTime))
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}
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}
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func recordvSphereOperationMetric(actionName string, requestTime time.Time, err error) {
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if err != nil {
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vsphereOperationErrorMetric.With(metrics.Labels{"operation": actionName}).Inc()
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} else {
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vsphereOperationMetric.With(metrics.Labels{"operation": actionName}).Observe(calculateTimeTaken(requestTime))
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}
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}
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// RecordCreateVolumeMetric records the Create Volume metric
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func RecordCreateVolumeMetric(volumeOptions *VolumeOptions, requestTime time.Time, err error) {
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var actionName string
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if volumeOptions.StoragePolicyName != "" {
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actionName = OperationCreateVolumeWithPolicy
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} else if volumeOptions.VSANStorageProfileData != "" {
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actionName = OperationCreateVolumeWithRawVSANPolicy
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} else {
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actionName = OperationCreateVolume
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}
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RecordvSphereMetric(actionName, requestTime, err)
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}
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func calculateTimeTaken(requestBeginTime time.Time) (timeTaken float64) {
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if !requestBeginTime.IsZero() {
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timeTaken = time.Since(requestBeginTime).Seconds()
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} else {
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timeTaken = 0
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}
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return timeTaken
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}
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