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rbd: fixed metadata idempotency in DeleteVolume; DeleteSnapshot should assume the snapshot to be already deleted if metadata doesn't exist

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This commit is contained in:
gman 2019-02-25 18:09:21 +01:00
parent ce3affcc6a
commit d12fdfd400
1 changed files with 8 additions and 3 deletions
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11
pkg/rbd/controllerserver.go
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@ -18,7 +18,6 @@ package rbd
import ( import (
"fmt" "fmt"
"os"
"os/exec" "os/exec"
"syscall" "syscall"
@ -29,7 +28,6 @@ import (
"github.com/kubernetes-csi/csi-lib-utils/protosanitizer" "github.com/kubernetes-csi/csi-lib-utils/protosanitizer"
"github.com/kubernetes-csi/drivers/pkg/csi-common" "github.com/kubernetes-csi/drivers/pkg/csi-common"
"github.com/pborman/uuid" "github.com/pborman/uuid"
"github.com/pkg/errors"
"golang.org/x/net/context" "golang.org/x/net/context"
"google.golang.org/grpc/codes" "google.golang.org/grpc/codes"
"google.golang.org/grpc/status" "google.golang.org/grpc/status"
@ -252,9 +250,11 @@ func (cs *ControllerServer) DeleteVolume(ctx context.Context, req *csi.DeleteVol
rbdVol := &rbdVolume{} rbdVol := &rbdVolume{}
if err := cs.MetadataStore.Get(volumeID, rbdVol); err != nil { if err := cs.MetadataStore.Get(volumeID, rbdVol); err != nil {
if os.IsNotExist(errors.Cause(err)) { if err, ok := err.(*util.CacheEntryNotFound); ok {
klog.V(3).Infof("metadata for volume %s not found, assuming the volume to be already deleted (%v)", volumeID, err)
return &csi.DeleteVolumeResponse{}, nil return &csi.DeleteVolumeResponse{}, nil
} }
return nil, err return nil, err
} }
@ -471,6 +471,11 @@ func (cs *ControllerServer) DeleteSnapshot(ctx context.Context, req *csi.DeleteS
rbdSnap := &rbdSnapshot{} rbdSnap := &rbdSnapshot{}
if err := cs.MetadataStore.Get(snapshotID, rbdSnap); err != nil { if err := cs.MetadataStore.Get(snapshotID, rbdSnap); err != nil {
if err, ok := err.(*util.CacheEntryNotFound); ok {
klog.V(3).Infof("metadata for snapshot %s not found, assuming the snapshot to be already deleted (%v)", snapshotID, err)
return &csi.DeleteSnapshotResponse{}, nil
}
return nil, err return nil, err
} }