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record provision and deletion latency metric

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instead of using provisioner from storage class directly, uses plugin name firstly
This commit is contained in:
xiangqian
2019-05-17 17:15:38 -07:00
parent a4fc418c84
commit 9688511595
8 changed files with 495 additions and 68 deletions
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19
pkg/controller/volume/persistentvolume/pv_controller_base.go
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@@ -21,7 +21,7 @@ import (
"strconv"
"time"
"k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -92,6 +92,7 @@ func NewController(p ControllerParameters) (*PersistentVolumeController, error)
claimQueue: workqueue.NewNamed("claims"),
volumeQueue: workqueue.NewNamed("volumes"),
resyncPeriod: p.SyncPeriod,
operationTimestamps: metrics.NewOperationStartTimeCache(),
}
// Prober is nil because PV is not aware of Flexvolume.
@@ -209,6 +210,10 @@ func (ctrl *PersistentVolumeController) updateVolume(volume *v1.PersistentVolume
func (ctrl *PersistentVolumeController) deleteVolume(volume *v1.PersistentVolume) {
_ = ctrl.volumes.store.Delete(volume)
klog.V(4).Infof("volume %q deleted", volume.Name)
// record deletion metric if a deletion start timestamp is in the cache
// the following calls will be a no-op if there is nothing for this volume in the cache
// end of timestamp cache entry lifecycle, "RecordMetric" will do the clean
metrics.RecordMetric(volume.Name, &ctrl.operationTimestamps, nil)
if volume.Spec.ClaimRef == nil {
return
@@ -245,20 +250,26 @@ func (ctrl *PersistentVolumeController) updateClaim(claim *v1.PersistentVolumeCl
}
}
// Unit test [5-5] [5-6] [5-7]
// deleteClaim runs in worker thread and handles "claim deleted" event.
func (ctrl *PersistentVolumeController) deleteClaim(claim *v1.PersistentVolumeClaim) {
_ = ctrl.claims.Delete(claim)
klog.V(4).Infof("claim %q deleted", claimToClaimKey(claim))
claimKey := claimToClaimKey(claim)
klog.V(4).Infof("claim %q deleted", claimKey)
// clean any possible unfinished provision start timestamp from cache
// Unit test [5-8] [5-9]
ctrl.operationTimestamps.Delete(claimKey)
volumeName := claim.Spec.VolumeName
if volumeName == "" {
klog.V(5).Infof("deleteClaim[%q]: volume not bound", claimToClaimKey(claim))
klog.V(5).Infof("deleteClaim[%q]: volume not bound", claimKey)
return
}
// sync the volume when its claim is deleted. Explicitly sync'ing the
// volume here in response to claim deletion prevents the volume from
// waiting until the next sync period for its Release.
klog.V(5).Infof("deleteClaim[%q]: scheduling sync of volume %s", claimToClaimKey(claim), volumeName)
klog.V(5).Infof("deleteClaim[%q]: scheduling sync of volume %s", claimKey, volumeName)
ctrl.volumeQueue.Add(volumeName)
}