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Fix couple of nits in nodevolumelimits plugin

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Signed-off-by: Dave Chen <dave.chen@arm.com>
This commit is contained in:
Dave Chen 2021-03-29 16:05:56 +08:00
parent 1fa101d1a4
commit 62d7f8f570
2 changed files with 23 additions and 23 deletions
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28
pkg/scheduler/framework/plugins/nodevolumelimits/csi.go
View File

@ -75,14 +75,14 @@ func (pl *CSILimits) Filter(ctx context.Context, _ *framework.CycleState, pod *v
node := nodeInfo.Node() node := nodeInfo.Node()
if node == nil { if node == nil {
return framework.NewStatus(framework.Error, "node not found") return framework.NewStatus(framework.Error, fmt.Sprintf("node not found: %s", node.Name))
} }
// If CSINode doesn't exist, the predicate may read the limits from Node object // If CSINode doesn't exist, the predicate may read the limits from Node object
csiNode, err := pl.csiNodeLister.Get(node.Name) csiNode, err := pl.csiNodeLister.Get(node.Name)
if err != nil { if err != nil {
// TODO: return the error once CSINode is created by default (2 releases) // TODO: return the error once CSINode is created by default (2 releases)
klog.V(5).Infof("Could not get a CSINode object for the node: %v", err) klog.V(5).InfoS("Could not get a CSINode object for the node", "node", node.Name, "err", err)
} }
newVolumes := make(map[string]string) newVolumes := make(map[string]string)
@ -149,13 +149,13 @@ func (pl *CSILimits) filterAttachableVolumes(
pvc, err := pl.pvcLister.PersistentVolumeClaims(namespace).Get(pvcName) pvc, err := pl.pvcLister.PersistentVolumeClaims(namespace).Get(pvcName)
if err != nil { if err != nil {
klog.V(5).Infof("Unable to look up PVC info for %s/%s", namespace, pvcName) klog.V(5).InfoS("Unable to look up PVC info", "PVC", fmt.Sprintf("%s/%s", namespace, pvcName))
continue continue
} }
driverName, volumeHandle := pl.getCSIDriverInfo(csiNode, pvc) driverName, volumeHandle := pl.getCSIDriverInfo(csiNode, pvc)
if driverName == "" || volumeHandle == "" { if driverName == "" || volumeHandle == "" {
klog.V(5).Infof("Could not find a CSI driver name or volume handle, not counting volume") klog.V(5).Info("Could not find a CSI driver name or volume handle, not counting volume")
continue continue
} }
@ -175,13 +175,13 @@ func (pl *CSILimits) getCSIDriverInfo(csiNode *storagev1.CSINode, pvc *v1.Persis
pvcName := pvc.Name pvcName := pvc.Name
if pvName == "" { if pvName == "" {
klog.V(5).Infof("Persistent volume had no name for claim %s/%s", namespace, pvcName) klog.V(5).InfoS("Persistent volume had no name for claim", "PVC", fmt.Sprintf("%s/%s", namespace, pvcName))
return pl.getCSIDriverInfoFromSC(csiNode, pvc) return pl.getCSIDriverInfoFromSC(csiNode, pvc)
} }
pv, err := pl.pvLister.Get(pvName) pv, err := pl.pvLister.Get(pvName)
if err != nil { if err != nil {
klog.V(5).Infof("Unable to look up PV info for PVC %s/%s and PV %s", namespace, pvcName, pvName) klog.V(5).InfoS("Unable to look up PV info for PVC and PV", "PVC", fmt.Sprintf("%s/%s", namespace, pvcName), "PV", pvName)
// If we can't fetch PV associated with PVC, may be it got deleted // If we can't fetch PV associated with PVC, may be it got deleted
// or PVC was prebound to a PVC that hasn't been created yet. // or PVC was prebound to a PVC that hasn't been created yet.
// fallback to using StorageClass for volume counting // fallback to using StorageClass for volume counting
@ -197,23 +197,23 @@ func (pl *CSILimits) getCSIDriverInfo(csiNode *storagev1.CSINode, pvc *v1.Persis
pluginName, err := pl.translator.GetInTreePluginNameFromSpec(pv, nil) pluginName, err := pl.translator.GetInTreePluginNameFromSpec(pv, nil)
if err != nil { if err != nil {
klog.V(5).Infof("Unable to look up plugin name from PV spec: %v", err) klog.V(5).InfoS("Unable to look up plugin name from PV spec", "err", err)
return "", "" return "", ""
} }
if !isCSIMigrationOn(csiNode, pluginName) { if !isCSIMigrationOn(csiNode, pluginName) {
klog.V(5).Infof("CSI Migration of plugin %s is not enabled", pluginName) klog.V(5).InfoS("CSI Migration of plugin is not enabled", "plugin", pluginName)
return "", "" return "", ""
} }
csiPV, err := pl.translator.TranslateInTreePVToCSI(pv) csiPV, err := pl.translator.TranslateInTreePVToCSI(pv)
if err != nil { if err != nil {
klog.V(5).Infof("Unable to translate in-tree volume to CSI: %v", err) klog.V(5).InfoS("Unable to translate in-tree volume to CSI", "err", err)
return "", "" return "", ""
} }
if csiPV.Spec.PersistentVolumeSource.CSI == nil { if csiPV.Spec.PersistentVolumeSource.CSI == nil {
klog.V(5).Infof("Unable to get a valid volume source for translated PV %s", pvName) klog.V(5).InfoS("Unable to get a valid volume source for translated PV", "PV", pvName)
return "", "" return "", ""
} }
@ -232,13 +232,13 @@ func (pl *CSILimits) getCSIDriverInfoFromSC(csiNode *storagev1.CSINode, pvc *v1.
// If StorageClass is not set or not found, then PVC must be using immediate binding mode // If StorageClass is not set or not found, then PVC must be using immediate binding mode
// and hence it must be bound before scheduling. So it is safe to not count it. // and hence it must be bound before scheduling. So it is safe to not count it.
if scName == "" { if scName == "" {
klog.V(5).Infof("PVC %s/%s has no StorageClass", namespace, pvcName) klog.V(5).InfoS("PVC has no StorageClass", "PVC", fmt.Sprintf("%s/%s", namespace, pvcName))
return "", "" return "", ""
} }
storageClass, err := pl.scLister.Get(scName) storageClass, err := pl.scLister.Get(scName)
if err != nil { if err != nil {
klog.V(5).Infof("Could not get StorageClass for PVC %s/%s: %v", namespace, pvcName, err) klog.V(5).InfoS("Could not get StorageClass for PVC", "PVC", fmt.Sprintf("%s/%s", namespace, pvcName), "err", err)
return "", "" return "", ""
} }
@ -250,13 +250,13 @@ func (pl *CSILimits) getCSIDriverInfoFromSC(csiNode *storagev1.CSINode, pvc *v1.
provisioner := storageClass.Provisioner provisioner := storageClass.Provisioner
if pl.translator.IsMigratableIntreePluginByName(provisioner) { if pl.translator.IsMigratableIntreePluginByName(provisioner) {
if !isCSIMigrationOn(csiNode, provisioner) { if !isCSIMigrationOn(csiNode, provisioner) {
klog.V(5).Infof("CSI Migration of plugin %s is not enabled", provisioner) klog.V(5).InfoS("CSI Migration of provisioner is not enabled", "provisioner", provisioner)
return "", "" return "", ""
} }
driverName, err := pl.translator.GetCSINameFromInTreeName(provisioner) driverName, err := pl.translator.GetCSINameFromInTreeName(provisioner)
if err != nil { if err != nil {
klog.V(5).Infof("Unable to look up driver name from plugin name: %v", err) klog.V(5).InfoS("Unable to look up driver name from provisioner name", "provisioner", provisioner, "err", err)
return "", "" return "", ""
} }
return driverName, volumeHandle return driverName, volumeHandle

18
pkg/scheduler/framework/plugins/nodevolumelimits/non_csi.go
View File

@ -18,6 +18,7 @@ package nodevolumelimits
import ( import (
"context" "context"
"errors"
"fmt" "fmt"
"os" "os"
"regexp" "regexp"
@ -171,8 +172,7 @@ func newNonCSILimits(
filter = cinderVolumeFilter filter = cinderVolumeFilter
volumeLimitKey = v1.ResourceName(volumeutil.CinderVolumeLimitKey) volumeLimitKey = v1.ResourceName(volumeutil.CinderVolumeLimitKey)
default: default:
klog.Fatalf("Wrong filterName, Only Support %v %v %v %v", ebsVolumeFilterType, klog.ErrorS(errors.New("Wrong filterName"), "Cannot create nonCSILimits plugin", "candidates", fmt.Sprintf("%v %v %v %v", ebsVolumeFilterType, gcePDVolumeFilterType, azureDiskVolumeFilterType, cinderVolumeFilterType))
gcePDVolumeFilterType, azureDiskVolumeFilterType, cinderVolumeFilterType)
return nil return nil
} }
pl := &nonCSILimits{ pl := &nonCSILimits{
@ -215,7 +215,7 @@ func (pl *nonCSILimits) Filter(ctx context.Context, _ *framework.CycleState, pod
node := nodeInfo.Node() node := nodeInfo.Node()
if node == nil { if node == nil {
return framework.NewStatus(framework.Error, "node not found") return framework.NewStatus(framework.Error, fmt.Sprintf("node not found: %s", node.Name))
} }
var csiNode *storage.CSINode var csiNode *storage.CSINode
@ -225,7 +225,7 @@ func (pl *nonCSILimits) Filter(ctx context.Context, _ *framework.CycleState, pod
if err != nil { if err != nil {
// we don't fail here because the CSINode object is only necessary // we don't fail here because the CSINode object is only necessary
// for determining whether the migration is enabled or not // for determining whether the migration is enabled or not
klog.V(5).Infof("Could not get a CSINode object for the node: %v", err) klog.V(5).InfoS("Could not get a CSINode object for the node", "node", node.Name, "err", err)
} }
} }
@ -287,7 +287,7 @@ func (pl *nonCSILimits) filterVolumes(volumes []v1.Volume, namespace string, fil
if err != nil || pvc == nil { if err != nil || pvc == nil {
// If the PVC is invalid, we don't count the volume because // If the PVC is invalid, we don't count the volume because
// there's no guarantee that it belongs to the running predicate. // there's no guarantee that it belongs to the running predicate.
klog.V(4).Infof("Unable to look up PVC info for %s/%s, assuming PVC doesn't match predicate when counting limits: %v", namespace, pvcName, err) klog.V(4).InfoS("Unable to look up PVC info, assuming PVC doesn't match predicate when counting limits", "PVC", fmt.Sprintf("%s/%s", namespace, pvcName), "err", err)
continue continue
} }
@ -298,7 +298,7 @@ func (pl *nonCSILimits) filterVolumes(volumes []v1.Volume, namespace string, fil
// original PV where it was bound to, so we count the volume if // original PV where it was bound to, so we count the volume if
// it belongs to the running predicate. // it belongs to the running predicate.
if pl.matchProvisioner(pvc) { if pl.matchProvisioner(pvc) {
klog.V(4).Infof("PVC %s/%s is not bound, assuming PVC matches predicate when counting limits", namespace, pvcName) klog.V(4).InfoS("PVC is not bound, assuming PVC matches predicate when counting limits", "PVC", fmt.Sprintf("%s/%s", namespace, pvcName))
filteredVolumes.Insert(pvID) filteredVolumes.Insert(pvID)
} }
continue continue
@ -309,7 +309,7 @@ func (pl *nonCSILimits) filterVolumes(volumes []v1.Volume, namespace string, fil
// If the PV is invalid and PVC belongs to the running predicate, // If the PV is invalid and PVC belongs to the running predicate,
// log the error and count the PV towards the PV limit. // log the error and count the PV towards the PV limit.
if pl.matchProvisioner(pvc) { if pl.matchProvisioner(pvc) {
klog.V(4).Infof("Unable to look up PV info for %s/%s/%s, assuming PV matches predicate when counting limits: %v", namespace, pvcName, pvName, err) klog.V(4).InfoS("Unable to look up PV, assuming PV matches predicate when counting limits", "PV", fmt.Sprintf("%s/%s/%s", namespace, pvcName, pvName), "err", err)
filteredVolumes.Insert(pvID) filteredVolumes.Insert(pvID)
} }
continue continue
@ -342,9 +342,9 @@ func (pl *nonCSILimits) matchProvisioner(pvc *v1.PersistentVolumeClaim) bool {
func getMaxVolLimitFromEnv() int { func getMaxVolLimitFromEnv() int {
if rawMaxVols := os.Getenv(KubeMaxPDVols); rawMaxVols != "" { if rawMaxVols := os.Getenv(KubeMaxPDVols); rawMaxVols != "" {
if parsedMaxVols, err := strconv.Atoi(rawMaxVols); err != nil { if parsedMaxVols, err := strconv.Atoi(rawMaxVols); err != nil {
klog.Errorf("Unable to parse maximum PD volumes value, using default: %v", err) klog.ErrorS(err, "Unable to parse maximum PD volumes value, using default.")
} else if parsedMaxVols <= 0 { } else if parsedMaxVols <= 0 {
klog.Errorf("Maximum PD volumes must be a positive value, using default") klog.Error("Maximum PD volumes must be a positive value, using default")
} else { } else {
return parsedMaxVols return parsedMaxVols
} }