Merge pull request #102465 from ahg-g/ahg-vol-restrictions

Return UnschedulableAndUnresolvable when looking up volume-related resource returns NotFound error
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Kubernetes Prow Robot 2021-06-01 09:29:39 -07:00 committed by GitHub
commit 46a4cc97ea
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2 changed files with 24 additions and 8 deletions

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@ -22,6 +22,7 @@ import (
appsv1 "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1"
storagev1 "k8s.io/api/storage/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
appslisters "k8s.io/client-go/listers/apps/v1"
@ -311,7 +312,12 @@ func (classes StorageClassLister) Get(name string) (*storagev1.StorageClass, err
return &sc, nil
}
}
return nil, fmt.Errorf("unable to find storage class: %s", name)
return nil, &errors.StatusError{
ErrStatus: metav1.Status{
Reason: metav1.StatusReasonNotFound,
Message: fmt.Sprintf("unable to find storage class: %s", name),
},
}
}
// List lists all StorageClass in the indexer.

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@ -22,6 +22,7 @@ import (
v1 "k8s.io/api/core/v1"
storage "k8s.io/api/storage/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/sets"
corelisters "k8s.io/client-go/listers/core/v1"
@ -112,8 +113,8 @@ func (pl *VolumeZone) Filter(ctx context.Context, _ *framework.CycleState, pod *
return framework.NewStatus(framework.UnschedulableAndUnresolvable, "PersistentVolumeClaim had no name")
}
pvc, err := pl.pvcLister.PersistentVolumeClaims(pod.Namespace).Get(pvcName)
if err != nil {
return framework.NewStatus(framework.UnschedulableAndUnresolvable, err.Error())
if s := getErrorAsStatus(err); !s.IsSuccess() {
return s
}
pvName := pvc.Spec.VolumeName
@ -124,9 +125,8 @@ func (pl *VolumeZone) Filter(ctx context.Context, _ *framework.CycleState, pod *
}
class, err := pl.scLister.Get(scName)
if err != nil {
return framework.NewStatus(framework.UnschedulableAndUnresolvable, err.Error())
if s := getErrorAsStatus(err); !s.IsSuccess() {
return s
}
if class.VolumeBindingMode == nil {
return framework.NewStatus(framework.UnschedulableAndUnresolvable, fmt.Sprintf("VolumeBindingMode not set for StorageClass %q", scName))
@ -140,8 +140,8 @@ func (pl *VolumeZone) Filter(ctx context.Context, _ *framework.CycleState, pod *
}
pv, err := pl.pvLister.Get(pvName)
if err != nil {
return framework.NewStatus(framework.UnschedulableAndUnresolvable, err.Error())
if s := getErrorAsStatus(err); !s.IsSuccess() {
return s
}
for k, v := range pv.ObjectMeta.Labels {
@ -164,6 +164,16 @@ func (pl *VolumeZone) Filter(ctx context.Context, _ *framework.CycleState, pod *
return nil
}
func getErrorAsStatus(err error) *framework.Status {
if err != nil {
if errors.IsNotFound(err) {
return framework.NewStatus(framework.UnschedulableAndUnresolvable, err.Error())
}
return framework.AsStatus(err)
}
return nil
}
// EventsToRegister returns the possible events that may make a Pod
// failed by this plugin schedulable.
func (pl *VolumeZone) EventsToRegister() []framework.ClusterEvent {