mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-18 12:20:24 +00:00
119 lines
3.2 KiB
Go
119 lines
3.2 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/pkg/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 getFscID(ctx context.Context, monitors string, cr *util.Credentials, fsName string) (int64, error) {
|
|
// ceph fs get myfs --format=json
|
|
// {"mdsmap":{...},"id":2}
|
|
var fsDetails CephFilesystemDetails
|
|
err := execCommandJSON(ctx, &fsDetails,
|
|
"ceph",
|
|
"-m", monitors,
|
|
"--id", cr.ID,
|
|
"--keyfile="+cr.KeyFile,
|
|
"-c", util.CephConfigPath,
|
|
"fs", "get", fsName, "--format=json",
|
|
)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return fsDetails.ID, nil
|
|
}
|
|
|
|
// 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("fsName (%s) not found in Ceph cluster", fsName)
|
|
}
|
|
|
|
// CephFilesystemDetails is a representation of the main json structure returned by 'ceph fs dump'
|
|
type CephFilesystemDump struct {
|
|
Filesystems []CephFilesystemDetails `json:"filesystems"`
|
|
}
|
|
|
|
func getFsName(ctx context.Context, monitors string, cr *util.Credentials, fscID int64) (string, error) {
|
|
// ./tbox ceph fs dump --format=json
|
|
// JSON: {...,"filesystems":[{"mdsmap":{},"id":<n>},...],...}
|
|
var fsDump CephFilesystemDump
|
|
err := execCommandJSON(ctx, &fsDump,
|
|
"ceph",
|
|
"-m", 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 == fscID {
|
|
return fs.MDSMap.FilesystemName, nil
|
|
}
|
|
}
|
|
|
|
return "", fmt.Errorf("fscID (%d) not found in Ceph cluster", fscID)
|
|
}
|