mirror of
https://github.com/cubefs/cubefs.git
synced 2026-08-02 02:00:56 +00:00
262 lines
7.1 KiB
Go
262 lines
7.1 KiB
Go
// Copyright 2018 The CubeFS 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 metanode
|
|
|
|
import (
|
|
"encoding/binary"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/cubefs/cubefs/proto"
|
|
"github.com/cubefs/cubefs/util/log"
|
|
)
|
|
|
|
func (mp *metaPartition) initInode(ino *Inode) {
|
|
for {
|
|
time.Sleep(10 * time.Nanosecond)
|
|
select {
|
|
case <-mp.stopC:
|
|
return
|
|
default:
|
|
// check first root inode
|
|
if mp.hasInode(ino) {
|
|
return
|
|
}
|
|
if !mp.raftPartition.IsRaftLeader() {
|
|
continue
|
|
}
|
|
// qinode := &MetaQuotaInode{
|
|
// inode: ino,
|
|
// quotaIds: make([]uint32, 0, 0),
|
|
// }
|
|
// data, err := qinode.Marshal()
|
|
// if err != nil {
|
|
// log.LogFatalf("[initInode] marshal: %s", err.Error())
|
|
// }
|
|
|
|
data, err := ino.Marshal()
|
|
if err != nil {
|
|
log.LogFatalf("[initInode] marshal: %s", err.Error())
|
|
}
|
|
// put first root inode
|
|
resp, err := mp.submit(opFSMCreateInode, data)
|
|
if err != nil {
|
|
log.LogFatalf("[initInode] raft sync: %s", err.Error())
|
|
}
|
|
p := &Packet{}
|
|
p.ResultCode = resp.(uint8)
|
|
log.LogDebugf("[initInode] raft sync: response status = %v.",
|
|
p.GetResultMsg())
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
// Not implemented.
|
|
func (mp *metaPartition) decommissionPartition() (err error) {
|
|
return
|
|
}
|
|
|
|
func (mp *metaPartition) fsmUpdatePartition(end uint64) (status uint8,
|
|
err error,
|
|
) {
|
|
status = proto.OpOk
|
|
oldEnd := mp.config.End
|
|
mp.config.End = end
|
|
|
|
if end < mp.config.Cursor {
|
|
status = proto.OpAgain
|
|
mp.config.End = oldEnd
|
|
return
|
|
}
|
|
if err = mp.PersistMetadata(); err != nil {
|
|
status = proto.OpDiskErr
|
|
mp.config.End = oldEnd
|
|
}
|
|
return
|
|
}
|
|
|
|
func (mp *metaPartition) confAddNode(req *proto.AddMetaPartitionRaftMemberRequest, index uint64) (updated bool, err error) {
|
|
var (
|
|
heartbeatPort int
|
|
replicaPort int
|
|
)
|
|
if heartbeatPort, replicaPort, err = mp.getRaftPort(); err != nil {
|
|
return
|
|
}
|
|
|
|
addPeer := false
|
|
for _, peer := range mp.config.Peers {
|
|
if peer.ID == req.AddPeer.ID {
|
|
addPeer = true
|
|
break
|
|
}
|
|
}
|
|
updated = !addPeer
|
|
if !updated {
|
|
return
|
|
}
|
|
mp.config.Peers = append(mp.config.Peers, req.AddPeer)
|
|
addr := strings.Split(req.AddPeer.Addr, ":")[0]
|
|
mp.config.RaftStore.AddNodeWithPort(req.AddPeer.ID, addr, heartbeatPort, replicaPort)
|
|
return
|
|
}
|
|
|
|
func (mp *metaPartition) confRemoveNode(req *proto.RemoveMetaPartitionRaftMemberRequest, index uint64) (updated bool, err error) {
|
|
var canRemoveSelf bool
|
|
if canRemoveSelf, err = mp.canRemoveSelf(); err != nil {
|
|
return
|
|
}
|
|
peerIndex := -1
|
|
data, _ := json.Marshal(req)
|
|
log.LogInfof("Start RemoveRaftNode PartitionID(%v) nodeID(%v) do RaftLog (%v) ",
|
|
req.PartitionId, mp.config.NodeId, string(data))
|
|
for i, peer := range mp.config.Peers {
|
|
if peer.ID == req.RemovePeer.ID {
|
|
updated = true
|
|
peerIndex = i
|
|
break
|
|
}
|
|
}
|
|
if !updated {
|
|
log.LogInfof("NoUpdate RemoveRaftNode PartitionID(%v) nodeID(%v) do RaftLog (%v) ",
|
|
req.PartitionId, mp.config.NodeId, string(data))
|
|
return
|
|
}
|
|
mp.config.Peers = append(mp.config.Peers[:peerIndex], mp.config.Peers[peerIndex+1:]...)
|
|
if mp.config.NodeId == req.RemovePeer.ID && !mp.isLoadingMetaPartition && canRemoveSelf {
|
|
mp.Stop()
|
|
mp.DeleteRaft()
|
|
mp.manager.deletePartition(mp.GetBaseConfig().PartitionId)
|
|
os.RemoveAll(mp.config.RootDir)
|
|
updated = false
|
|
}
|
|
log.LogInfof("Fininsh RemoveRaftNode PartitionID(%v) nodeID(%v) do RaftLog (%v) ",
|
|
req.PartitionId, mp.config.NodeId, string(data))
|
|
return
|
|
}
|
|
|
|
func (mp *metaPartition) delOldExtentFile(buf []byte) (err error) {
|
|
fileName := string(buf)
|
|
log.LogWarnf("[delOldExtentFile] del extent file(%s), mp[%v]", fileName, mp.config.PartitionId)
|
|
|
|
infos, err := ioutil.ReadDir(mp.config.RootDir)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
infos = sortDelExtFileInfo(infos)
|
|
tgtIdx := getDelExtFileIdx(fileName)
|
|
|
|
for _, f := range infos {
|
|
idx := getDelExtFileIdx(f.Name())
|
|
if idx > tgtIdx {
|
|
break
|
|
}
|
|
|
|
log.LogWarnf("[delOldExtentFile] del extent file(%s), mp[%v]", f.Name(), mp.config.PartitionId)
|
|
os.Remove(path.Join(mp.config.RootDir, f.Name()))
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func (mp *metaPartition) setExtentDeleteFileCursor(buf []byte) (err error) {
|
|
str := string(buf)
|
|
var (
|
|
fileName string
|
|
cursor int64
|
|
)
|
|
_, err = fmt.Sscanf(str, "%s %d", &fileName, &cursor)
|
|
log.LogInfof("[setExtentDeleteFileCursor] &fileName_&cursor(%s), mp[%v]", str, mp.config.PartitionId)
|
|
if err != nil {
|
|
return
|
|
}
|
|
fp, err := os.OpenFile(path.Join(mp.config.RootDir, fileName), os.O_CREATE|os.O_RDWR,
|
|
0o644)
|
|
if err != nil {
|
|
log.LogErrorf("[setExtentDeleteFileCursor] openFile %s failed: %s",
|
|
fileName, err.Error())
|
|
return
|
|
}
|
|
if err = binary.Write(fp, binary.BigEndian, cursor); err != nil {
|
|
log.LogErrorf("[setExtentDeleteFileCursor] write file %s cursor"+
|
|
" failed: %s", fileName, err.Error())
|
|
}
|
|
// TODO Unhandled errors
|
|
fp.Close()
|
|
return
|
|
}
|
|
|
|
func (mp *metaPartition) CanRemoveRaftMember(peer proto.Peer) error {
|
|
downReplicas := mp.config.RaftStore.RaftServer().GetDownReplicas(mp.config.PartitionId)
|
|
hasExsit := false
|
|
for _, p := range mp.config.Peers {
|
|
if p.ID == peer.ID {
|
|
hasExsit = true
|
|
break
|
|
}
|
|
}
|
|
if !hasExsit {
|
|
return nil
|
|
}
|
|
|
|
hasDownReplicasExcludePeer := make([]uint64, 0)
|
|
for _, nodeID := range downReplicas {
|
|
if nodeID.NodeID == peer.ID {
|
|
continue
|
|
}
|
|
hasDownReplicasExcludePeer = append(hasDownReplicasExcludePeer, nodeID.NodeID)
|
|
}
|
|
|
|
sumReplicas := len(mp.config.Peers)
|
|
if sumReplicas%2 == 1 {
|
|
if sumReplicas-len(hasDownReplicasExcludePeer) > (sumReplicas/2 + 1) {
|
|
return nil
|
|
}
|
|
} else {
|
|
if sumReplicas-len(hasDownReplicasExcludePeer) >= (sumReplicas/2 + 1) {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf("downReplicas(%v) too much,so donnot offline (%v)", downReplicas, peer)
|
|
}
|
|
|
|
func (mp *metaPartition) IsEquareCreateMetaPartitionRequst(request *proto.CreateMetaPartitionRequest) (err error) {
|
|
if len(mp.config.Peers) != len(request.Members) {
|
|
return fmt.Errorf("Exsit unavali Partition(%v) partitionHosts(%v) requestHosts(%v)", mp.config.PartitionId, mp.config.Peers, request.Members)
|
|
}
|
|
if mp.config.Start != request.Start || mp.config.End != request.End {
|
|
return fmt.Errorf("Exsit unavali Partition(%v) range(%v-%v) requestRange(%v-%v)", mp.config.PartitionId, mp.config.Start, mp.config.End, request.Start, request.End)
|
|
}
|
|
for index, peer := range mp.config.Peers {
|
|
requestPeer := request.Members[index]
|
|
if requestPeer.ID != peer.ID || requestPeer.Addr != peer.Addr {
|
|
return fmt.Errorf("Exsit unavali Partition(%v) partitionHosts(%v) requestHosts(%v)", mp.config.PartitionId, mp.config.Peers, request.Members)
|
|
}
|
|
}
|
|
if mp.config.VolName != request.VolName {
|
|
return fmt.Errorf("Exsit unavali Partition(%v) VolName(%v) requestVolName(%v)", mp.config.PartitionId, mp.config.VolName, request.VolName)
|
|
}
|
|
|
|
return
|
|
}
|
