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https://github.com/ceph/ceph-csi.git
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cephfs: handle metadata op-failures with unsupported ceph versions
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
This commit is contained in:
parent
2390a43415
commit
51099d60fe
@ -17,8 +17,11 @@ limitations under the License.
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package core
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import (
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"errors"
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"fmt"
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"strings"
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fsAdmin "github.com/ceph/go-ceph/cephfs/admin"
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)
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const (
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@ -26,26 +29,66 @@ const (
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clusterNameKey = "csi.ceph.com/cluster/name"
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)
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// ErrSubVolMetadataNotSupported is returned when set/get/list/remove subvolume metadata options are not supported.
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var ErrSubVolMetadataNotSupported = errors.New("subvolume metadata operations are not supported")
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func (s *subVolumeClient) supportsSubVolMetadata() bool {
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if _, keyPresent := clusterAdditionalInfo[s.clusterID]; !keyPresent {
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clusterAdditionalInfo[s.clusterID] = &localClusterState{}
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}
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return clusterAdditionalInfo[s.clusterID].subVolMetadataState != unsupported
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}
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func (s *subVolumeClient) isUnsupportedSubVolMetadata(err error) bool {
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var invalid fsAdmin.NotImplementedError
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if err != nil && errors.Is(err, &invalid) {
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// In case the error is other than invalid command return error to the caller.
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clusterAdditionalInfo[s.clusterID].subVolMetadataState = unsupported
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return false
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}
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clusterAdditionalInfo[s.clusterID].subVolMetadataState = supported
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return true
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}
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// setMetadata sets custom metadata on the subvolume in a volume as a
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// key-value pair.
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func (s *subVolumeClient) setMetadata(key, value string) error {
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var err error
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if !s.supportsSubVolMetadata() {
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return ErrSubVolMetadataNotSupported
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}
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fsa, err := s.conn.GetFSAdmin()
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if err != nil {
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return err
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}
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err = fsa.SetMetadata(s.FsName, s.SubvolumeGroup, s.VolID, key, value)
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if !s.isUnsupportedSubVolMetadata(err) {
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return ErrSubVolMetadataNotSupported
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}
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return fsa.SetMetadata(s.FsName, s.SubvolumeGroup, s.VolID, key, value)
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return err
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}
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// removeMetadata removes custom metadata set on the subvolume in a volume
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// using the metadata key.
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func (s *subVolumeClient) removeMetadata(key string) error {
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var err error
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if !s.supportsSubVolMetadata() {
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return ErrSubVolMetadataNotSupported
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}
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fsa, err := s.conn.GetFSAdmin()
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if err != nil {
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return err
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}
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err = fsa.RemoveMetadata(s.FsName, s.SubvolumeGroup, s.VolID, key)
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if !s.isUnsupportedSubVolMetadata(err) {
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return ErrSubVolMetadataNotSupported
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}
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return fsa.RemoveMetadata(s.FsName, s.SubvolumeGroup, s.VolID, key)
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return err
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}
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// SetAllMetadata set all the metadata from arg parameters on Ssubvolume.
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@ -191,7 +191,8 @@ const (
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type localClusterState struct {
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// set the enum value i.e., unknown, supported,
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// unsupported as per the state of the cluster.
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resizeState operationState
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resizeState operationState
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subVolMetadataState operationState
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// set true once a subvolumegroup is created
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// for corresponding cluster.
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subVolumeGroupCreated bool
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