mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-09-19 23:19:52 +00:00
123 lines
3.4 KiB
Go
123 lines
3.4 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 cephfs
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/ceph/ceph-csi/internal/util"
|
|
)
|
|
|
|
// MDSMap is a representation of the mds map sub-structure returned by 'ceph fs get'.
|
|
type MDSMap struct {
|
|
FilesystemName string `json:"fs_name"`
|
|
}
|
|
|
|
// CephFilesystemDetails is a representation of the main json structure returned by 'ceph fs get'.
|
|
type CephFilesystemDetails struct {
|
|
ID int64 `json:"id"`
|
|
MDSMap MDSMap `json:"mdsmap"`
|
|
}
|
|
|
|
func (vo *volumeOptions) getFscID(ctx context.Context) (int64, error) {
|
|
fsa, err := vo.conn.GetFSAdmin()
|
|
if err != nil {
|
|
util.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 {
|
|
util.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
|
|
}
|
|
}
|
|
|
|
util.ErrorLog(ctx, "failed to list volume %s", vo.FsName)
|
|
return 0, ErrVolumeNotFound
|
|
}
|
|
|
|
// CephFilesystem is a representation of the json structure returned by 'ceph fs ls'.
|
|
type CephFilesystem struct {
|
|
Name string `json:"name"`
|
|
MetadataPool string `json:"metadata_pool"`
|
|
MetadataPoolID int `json:"metadata_pool_id"`
|
|
DataPools []string `json:"data_pools"`
|
|
DataPoolIDs []int `json:"data_pool_ids"`
|
|
}
|
|
|
|
func getMetadataPool(ctx context.Context, monitors string, cr *util.Credentials, fsName string) (string, error) {
|
|
// ./tbox ceph fs ls --format=json
|
|
// [{"name":"myfs","metadata_pool":"myfs-metadata","metadata_pool_id":4,...},...]
|
|
var filesystems []CephFilesystem
|
|
err := execCommandJSON(ctx, &filesystems,
|
|
"ceph",
|
|
"-m", monitors,
|
|
"--id", cr.ID,
|
|
"--keyfile="+cr.KeyFile,
|
|
"-c", util.CephConfigPath,
|
|
"fs", "ls", "--format=json",
|
|
)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
for _, fs := range filesystems {
|
|
if fs.Name == fsName {
|
|
return fs.MetadataPool, nil
|
|
}
|
|
}
|
|
|
|
return "", fmt.Errorf("%w: fsName (%s) not found in Ceph cluster", util.ErrPoolNotFound, fsName)
|
|
}
|
|
|
|
// CephFilesystemDump is a representation of the main json structure returned by 'ceph fs dump'.
|
|
type CephFilesystemDump struct {
|
|
Filesystems []CephFilesystemDetails `json:"filesystems"`
|
|
}
|
|
|
|
func (vo *volumeOptions) getFsName(ctx context.Context, cr *util.Credentials) (string, error) {
|
|
// ./tbox ceph fs dump --format=json
|
|
// JSON: {...,"filesystems":[{"mdsmap":{},"id":<n>},...],...}
|
|
var fsDump CephFilesystemDump
|
|
err := execCommandJSON(ctx, &fsDump,
|
|
"ceph",
|
|
"-m", vo.Monitors,
|
|
"--id", cr.ID,
|
|
"--keyfile="+cr.KeyFile,
|
|
"-c", util.CephConfigPath,
|
|
"fs", "dump", "--format=json",
|
|
)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
for _, fs := range fsDump.Filesystems {
|
|
if fs.ID == vo.FscID {
|
|
return fs.MDSMap.FilesystemName, nil
|
|
}
|
|
}
|
|
|
|
return "", fmt.Errorf("%w: fscID (%d) not found in Ceph cluster", util.ErrPoolNotFound, vo.FscID)
|
|
}
|