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https://github.com/ceph/ceph-csi.git
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21d811096b
This change helps read the cluster name from the cmdline args, the provisioner will set the same on the subvolume. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
/*
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Copyright 2022 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package core
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import (
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"fmt"
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"strings"
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)
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const (
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// clusterNameKey cluster Key, set on cephfs subvolume.
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clusterNameKey = "csi.ceph.com/cluster/name"
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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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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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return fsa.SetMetadata(s.FsName, s.SubvolumeGroup, s.VolID, key, value)
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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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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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return fsa.RemoveMetadata(s.FsName, s.SubvolumeGroup, s.VolID, key)
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}
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// SetAllMetadata set all the metadata from arg parameters on Ssubvolume.
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func (s *subVolumeClient) SetAllMetadata(parameters map[string]string) error {
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for k, v := range parameters {
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err := s.setMetadata(k, v)
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if err != nil {
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return fmt.Errorf("failed to set metadata key %q, value %q on subvolume %v: %w", k, v, s, err)
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}
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}
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if s.clusterName != "" {
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err := s.setMetadata(clusterNameKey, s.clusterName)
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if err != nil {
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return fmt.Errorf("failed to set metadata key %q, value %q on subvolume %v: %w",
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clusterNameKey, s.clusterName, s, err)
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}
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}
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return nil
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}
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// UnsetAllMetadata unset all the metadata from arg keys on subvolume.
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func (s *subVolumeClient) UnsetAllMetadata(keys []string) error {
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for _, key := range keys {
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err := s.removeMetadata(key)
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// TODO: replace string comparison with errno.
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if err != nil && !strings.Contains(err.Error(), "No such file or directory") {
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return fmt.Errorf("failed to unset metadata key %q on subvolume %v: %w", key, s, err)
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}
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}
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return nil
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}
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