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Merge pull request #110559 from danishprakash/danish-default-storageclass

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pkg/admission/storageclass: pick one storageclass conditionally if >1 present
This commit is contained in:
Kubernetes Prow Robot
2022-10-19 13:56:55 -07:00
committed by GitHub
parent ccb6275142 f10f4d372c
commit 962235c86a
3 changed files with 69 additions and 28 deletions
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34
pkg/controller/volume/persistentvolume/pv_controller_test.go
View File

@@ -773,23 +773,6 @@ func TestRetroactiveStorageClassAssignment(t *testing.T) {
},
},
},
{
storageClasses: []*storagev1.StorageClass{
makeDefaultStorageClass(classGold, &modeImmediate),
makeDefaultStorageClass(classSilver, &modeImmediate)},
tests: []controllerTest{
{
name: "15-2 - pvc storage class is not assigned retroactively if there are multiple default storage classes",
initialVolumes: novolumes,
expectedVolumes: novolumes,
initialClaims: newClaimArray("claim15-2", "uid15-2", "1Gi", "", v1.ClaimPending, nil),
expectedClaims: newClaimArray("claim15-2", "uid15-2", "1Gi", "", v1.ClaimPending, nil),
expectedEvents: noevents,
errors: noerrors,
test: testSyncClaim,
},
},
},
{
storageClasses: []*storagev1.StorageClass{
makeDefaultStorageClass(classGold, &modeImmediate),
@@ -844,6 +827,23 @@ func TestRetroactiveStorageClassAssignment(t *testing.T) {
},
},
},
{
storageClasses: []*storagev1.StorageClass{
makeDefaultStorageClass(classGold, &modeImmediate),
makeDefaultStorageClass(classSilver, &modeImmediate)},
tests: []controllerTest{
{
name: "15-2 - pvc storage class is assigned retroactively if there are multiple default storage classes",
initialVolumes: novolumes,
expectedVolumes: novolumes,
initialClaims: newClaimArray("claim15-2", "uid15-2", "1Gi", "", v1.ClaimPending, nil),
expectedClaims: newClaimArray("claim15-2", "uid15-2", "1Gi", "", v1.ClaimPending, &classGold),
expectedEvents: noevents,
errors: noerrors,
test: testSyncClaim,
},
},
},
{
storageClasses: []*storagev1.StorageClass{
makeDefaultStorageClass(classGold, &modeImmediate),

17
pkg/volume/util/storageclass.go
View File

@@ -17,9 +17,9 @@ limitations under the License.
package util
import (
"fmt"
"sort"
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"
storagev1listers "k8s.io/client-go/listers/storage/v1"
@@ -54,10 +54,19 @@ func GetDefaultClass(lister storagev1listers.StorageClassLister) (*storagev1.Sto
if len(defaultClasses) == 0 {
return nil, nil
}
// Primary sort by creation timestamp, newest first
// Secondary sort by class name, ascending order
sort.Slice(defaultClasses, func(i, j int) bool {
if defaultClasses[i].CreationTimestamp.UnixNano() == defaultClasses[j].CreationTimestamp.UnixNano() {
return defaultClasses[i].Name < defaultClasses[j].Name
}
return defaultClasses[i].CreationTimestamp.UnixNano() > defaultClasses[j].CreationTimestamp.UnixNano()
})
if len(defaultClasses) > 1 {
klog.V(4).Infof("GetDefaultClass %d defaults found", len(defaultClasses))
return nil, errors.NewInternalError(fmt.Errorf("%d default StorageClasses were found", len(defaultClasses)))
klog.V(4).Infof("%d default StorageClasses were found, choosing the newest: %s", len(defaultClasses), defaultClasses[0].Name)
}
return defaultClasses[0], nil
}