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Merge pull request #71581 from saad-ali/fixCSILogEventSpam 

Reduce CSI log and event spam
pull/564/head
Kubernetes Prow Robot 2018-11-30 22:27:27 -08:00 committed by GitHub
parent a17742b53a 2251bf0c21
commit 83b3baaf58
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 60 additions and 56 deletions
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2
pkg/volume/util/operationexecutor/operation_executor.go
View File

@ -725,7 +725,7 @@ func (oe *operationExecutor) MountVolume(
if fsVolume {
// Filesystem volume case
// Mount/remount a volume when a volume is attached
generatedOperations, err = oe.operationGenerator.GenerateMountVolumeFunc(
generatedOperations = oe.operationGenerator.GenerateMountVolumeFunc(
waitForAttachTimeout, volumeToMount, actualStateOfWorld, isRemount)
} else {

4
pkg/volume/util/operationexecutor/operation_executor_test.go
View File

@ -389,14 +389,14 @@ func newFakeOperationGenerator(ch chan interface{}, quit chan interface{}) Opera
}
}
func (fopg *fakeOperationGenerator) GenerateMountVolumeFunc(waitForAttachTimeout time.Duration, volumeToMount VolumeToMount, actualStateOfWorldMounterUpdater ActualStateOfWorldMounterUpdater, isRemount bool) (volumetypes.GeneratedOperations, error) {
func (fopg *fakeOperationGenerator) GenerateMountVolumeFunc(waitForAttachTimeout time.Duration, volumeToMount VolumeToMount, actualStateOfWorldMounterUpdater ActualStateOfWorldMounterUpdater, isRemount bool) volumetypes.GeneratedOperations {
opFunc := func() (error, error) {
startOperationAndBlock(fopg.ch, fopg.quit)
return nil, nil
}
return volumetypes.GeneratedOperations{
OperationFunc: opFunc,
}, nil
}
}
func (fopg *fakeOperationGenerator) GenerateUnmountVolumeFunc(volumeToUnmount MountedVolume, actualStateOfWorld ActualStateOfWorldMounterUpdater, podsDir string) (volumetypes.GeneratedOperations, error) {
opFunc := func() (error, error) {

36
pkg/volume/util/operationexecutor/operation_generator.go
View File

@ -40,6 +40,10 @@ import (
"k8s.io/kubernetes/pkg/volume/util/volumepathhandler"
)
const (
unknownVolumePlugin string = "UnknownVolumePlugin"
)
var _ OperationGenerator = &operationGenerator{}
type operationGenerator struct {
@ -82,7 +86,7 @@ func NewOperationGenerator(kubeClient clientset.Interface,
// OperationGenerator interface that extracts out the functions from operation_executor to make it dependency injectable
type OperationGenerator interface {
// Generates the MountVolume function needed to perform the mount of a volume plugin
GenerateMountVolumeFunc(waitForAttachTimeout time.Duration, volumeToMount VolumeToMount, actualStateOfWorldMounterUpdater ActualStateOfWorldMounterUpdater, isRemount bool) (volumetypes.GeneratedOperations, error)
GenerateMountVolumeFunc(waitForAttachTimeout time.Duration, volumeToMount VolumeToMount, actualStateOfWorldMounterUpdater ActualStateOfWorldMounterUpdater, isRemount bool) volumetypes.GeneratedOperations
// Generates the UnmountVolume function needed to perform the unmount of a volume plugin
GenerateUnmountVolumeFunc(volumeToUnmount MountedVolume, actualStateOfWorld ActualStateOfWorldMounterUpdater, podsDir string) (volumetypes.GeneratedOperations, error)
@ -436,19 +440,23 @@ func (og *operationGenerator) GenerateMountVolumeFunc(
waitForAttachTimeout time.Duration,
volumeToMount VolumeToMount,
actualStateOfWorld ActualStateOfWorldMounterUpdater,
isRemount bool) (volumetypes.GeneratedOperations, error) {
isRemount bool) volumetypes.GeneratedOperations {
// Get mounter plugin
volumePluginName := unknownVolumePlugin
volumePlugin, err :=
og.volumePluginMgr.FindPluginBySpec(volumeToMount.VolumeSpec)
if err == nil && volumePlugin != nil {
volumePluginName = volumePlugin.GetPluginName()
}
mountVolumeFunc := func() (error, error) {
if err != nil || volumePlugin == nil {
return volumetypes.GeneratedOperations{}, volumeToMount.GenerateErrorDetailed("MountVolume.FindPluginBySpec failed", err)
return volumeToMount.GenerateError("MountVolume.FindPluginBySpec failed", err)
}
affinityErr := checkNodeAffinity(og, volumeToMount, volumePlugin)
if affinityErr != nil {
eventErr, detailedErr := volumeToMount.GenerateError("MountVolume.NodeAffinity check failed", affinityErr)
og.recorder.Eventf(volumeToMount.Pod, v1.EventTypeWarning, kevents.FailedMountVolume, eventErr.Error())
return volumetypes.GeneratedOperations{}, detailedErr
return volumeToMount.GenerateError("MountVolume.NodeAffinity check failed", affinityErr)
}
volumeMounter, newMounterErr := volumePlugin.NewMounter(
@ -456,17 +464,14 @@ func (og *operationGenerator) GenerateMountVolumeFunc(
volumeToMount.Pod,
volume.VolumeOptions{})
if newMounterErr != nil {
eventErr, detailedErr := volumeToMount.GenerateError("MountVolume.NewMounter initialization failed", newMounterErr)
og.recorder.Eventf(volumeToMount.Pod, v1.EventTypeWarning, kevents.FailedMountVolume, eventErr.Error())
return volumetypes.GeneratedOperations{}, detailedErr
return volumeToMount.GenerateError("MountVolume.NewMounter initialization failed", newMounterErr)
}
mountCheckError := checkMountOptionSupport(og, volumeToMount, volumePlugin)
if mountCheckError != nil {
eventErr, detailedErr := volumeToMount.GenerateError("MountVolume.MountOptionSupport check failed", mountCheckError)
og.recorder.Eventf(volumeToMount.Pod, v1.EventTypeWarning, kevents.UnsupportedMountOption, eventErr.Error())
return volumetypes.GeneratedOperations{}, detailedErr
return volumeToMount.GenerateError("MountVolume.MountOptionSupport check failed", mountCheckError)
}
// Get attacher, if possible
@ -490,7 +495,6 @@ func (og *operationGenerator) GenerateMountVolumeFunc(
fsGroup = volumeToMount.Pod.Spec.SecurityContext.FSGroup
}
mountVolumeFunc := func() (error, error) {
devicePath := volumeToMount.DevicePath
if volumeAttacher != nil {
// Wait for attachable volumes to finish attaching
@ -536,7 +540,7 @@ func (og *operationGenerator) GenerateMountVolumeFunc(
// resizeFileSystem will resize the file system if user has requested a resize of
// underlying persistent volume and is allowed to do so.
resizeSimpleError, resizeDetailedError := og.resizeFileSystem(volumeToMount, devicePath, deviceMountPath, volumePlugin.GetPluginName())
resizeSimpleError, resizeDetailedError := og.resizeFileSystem(volumeToMount, devicePath, deviceMountPath, volumePluginName)
if resizeSimpleError != nil || resizeDetailedError != nil {
return resizeSimpleError, resizeDetailedError
@ -593,8 +597,8 @@ func (og *operationGenerator) GenerateMountVolumeFunc(
return volumetypes.GeneratedOperations{
OperationFunc: mountVolumeFunc,
EventRecorderFunc: eventRecorderFunc,
CompleteFunc: util.OperationCompleteHook(util.GetFullQualifiedPluginNameForVolume(volumePlugin.GetPluginName(), volumeToMount.VolumeSpec), "volume_mount"),
}, nil
CompleteFunc: util.OperationCompleteHook(util.GetFullQualifiedPluginNameForVolume(volumePluginName, volumeToMount.VolumeSpec), "volume_mount"),
}
}
func (og *operationGenerator) resizeFileSystem(volumeToMount VolumeToMount, devicePath, deviceMountPath, pluginName string) (simpleErr, detailedErr error) {