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ceph-csi/internal/cephfs/core/filesystem.go
Madhu Rajanna b1ef842640 cleanup: move core functions to core pkg
as we are refractoring the cephfs code,
Moving all the core functions to a new folder
/pkg called core. This will make things easier
to implement. For now onwards all the core
functionalities will be added to the core
package.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2021-09-23 06:39:37 +00:00

101 lines
2.6 KiB
Go

/*
Copyright 2019 The Ceph-CSI Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package core
import (
"context"
"fmt"
cerrors "github.com/ceph/ceph-csi/internal/cephfs/errors"
"github.com/ceph/ceph-csi/internal/util"
"github.com/ceph/ceph-csi/internal/util/log"
)
func (vo *VolumeOptions) getFscID(ctx context.Context) (int64, error) {
fsa, err := vo.conn.GetFSAdmin()
if err != nil {
log.ErrorLog(ctx, "could not get FSAdmin, can not fetch filesystem ID for %s:", vo.FsName, err)
return 0, err
}
volumes, err := fsa.EnumerateVolumes()
if err != nil {
log.ErrorLog(ctx, "could not list volumes, can not fetch filesystem ID for %s:", vo.FsName, err)
return 0, err
}
for _, vol := range volumes {
if vol.Name == vo.FsName {
return vol.ID, nil
}
}
log.ErrorLog(ctx, "failed to list volume %s", vo.FsName)
return 0, cerrors.ErrVolumeNotFound
}
func (vo *VolumeOptions) getMetadataPool(ctx context.Context) (string, error) {
fsa, err := vo.conn.GetFSAdmin()
if err != nil {
log.ErrorLog(ctx, "could not get FSAdmin, can not fetch metadata pool for %s:", vo.FsName, err)
return "", err
}
fsPoolInfos, err := fsa.ListFileSystems()
if err != nil {
log.ErrorLog(ctx, "could not list filesystems, can not fetch metadata pool for %s:", vo.FsName, err)
return "", err
}
for _, fspi := range fsPoolInfos {
if fspi.Name == vo.FsName {
return fspi.MetadataPool, nil
}
}
return "", fmt.Errorf("%w: could not find metadata pool for %s", util.ErrPoolNotFound, vo.FsName)
}
func (vo *VolumeOptions) getFsName(ctx context.Context) (string, error) {
fsa, err := vo.conn.GetFSAdmin()
if err != nil {
log.ErrorLog(ctx, "could not get FSAdmin, can not fetch filesystem name for ID %d:", vo.FscID, err)
return "", err
}
volumes, err := fsa.EnumerateVolumes()
if err != nil {
log.ErrorLog(ctx, "could not list volumes, can not fetch filesystem name for ID %d:", vo.FscID, err)
return "", err
}
for _, vol := range volumes {
if vol.ID == vo.FscID {
return vol.Name, nil
}
}
return "", fmt.Errorf("%w: fscID (%d) not found in Ceph cluster", util.ErrPoolNotFound, vo.FscID)
}