mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-10 00:10:20 +00:00
104 lines
2.8 KiB
Go
104 lines
2.8 KiB
Go
/*
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Copyright 2019 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 cephfs
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import (
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"context"
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"fmt"
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"github.com/ceph/ceph-csi/internal/util"
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)
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func (vo *volumeOptions) getFscID(ctx context.Context) (int64, error) {
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fsa, err := vo.conn.GetFSAdmin()
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if err != nil {
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util.ErrorLog(ctx, "could not get FSAdmin, can not fetch filesystem ID for %s:", vo.FsName, err)
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return 0, err
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}
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volumes, err := fsa.EnumerateVolumes()
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if err != nil {
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util.ErrorLog(ctx, "could not list volumes, can not fetch filesystem ID for %s:", vo.FsName, err)
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return 0, err
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}
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for _, vol := range volumes {
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if vol.Name == vo.FsName {
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return vol.ID, nil
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}
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}
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util.ErrorLog(ctx, "failed to list volume %s", vo.FsName)
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return 0, ErrVolumeNotFound
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}
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// CephFilesystem is a representation of the json structure returned by 'ceph fs ls'.
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type CephFilesystem struct {
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Name string `json:"name"`
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MetadataPool string `json:"metadata_pool"`
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MetadataPoolID int `json:"metadata_pool_id"`
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DataPools []string `json:"data_pools"`
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DataPoolIDs []int `json:"data_pool_ids"`
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}
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func getMetadataPool(ctx context.Context, monitors string, cr *util.Credentials, fsName string) (string, error) {
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// ./tbox ceph fs ls --format=json
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// [{"name":"myfs","metadata_pool":"myfs-metadata","metadata_pool_id":4,...},...]
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var filesystems []CephFilesystem
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err := execCommandJSON(ctx, &filesystems,
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"ceph",
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"-m", monitors,
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"--id", cr.ID,
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"--keyfile="+cr.KeyFile,
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"-c", util.CephConfigPath,
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"fs", "ls", "--format=json",
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)
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if err != nil {
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return "", err
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}
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for _, fs := range filesystems {
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if fs.Name == fsName {
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return fs.MetadataPool, nil
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}
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}
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return "", fmt.Errorf("%w: fsName (%s) not found in Ceph cluster", util.ErrPoolNotFound, fsName)
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}
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func (vo *volumeOptions) getFsName(ctx context.Context) (string, error) {
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fsa, err := vo.conn.GetFSAdmin()
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if err != nil {
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util.ErrorLog(ctx, "could not get FSAdmin, can not fetch filesystem name for ID %d:", vo.FscID, err)
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return "", err
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}
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volumes, err := fsa.EnumerateVolumes()
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if err != nil {
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util.ErrorLog(ctx, "could not list volumes, can not fetch filesystem name for ID %d:", vo.FscID, err)
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return "", err
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}
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for _, vol := range volumes {
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if vol.ID == vo.FscID {
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return vol.Name, nil
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}
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}
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return "", fmt.Errorf("%w: fscID (%d) not found in Ceph cluster", util.ErrPoolNotFound, vo.FscID)
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}
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