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api_service.go
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api_service.go
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// Copyright 2018 The Chubao 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 master
import (
"encoding/json"
"fmt"
"net/http"
"strconv"
"sync/atomic"
"time"
"bytes"
"io/ioutil"
"strings"
"github.com/chubaofs/chubaofs/proto"
"github.com/chubaofs/chubaofs/util"
"github.com/chubaofs/chubaofs/util/cryptoutil"
"github.com/chubaofs/chubaofs/util/errors"
"github.com/chubaofs/chubaofs/util/log"
)
// NodeView provides the view of the data or meta node.
type NodeView struct {
Addr string
Status bool
ID uint64
IsWritable bool
}
// NodeView provides the view of the data or meta node.
type InvalidNodeView struct {
Addr string
ID uint64
OldID uint64
NodeType string
}
// TopologyView provides the view of the topology view of the cluster
type TopologyView struct {
Zones []*ZoneView
}
type NodeSetView struct {
DataNodeLen int
MetaNodeLen int
MetaNodes []proto.NodeView
DataNodes []proto.NodeView
}
func newNodeSetView(dataNodeLen, metaNodeLen int) *NodeSetView {
return &NodeSetView{DataNodes: make([]proto.NodeView, 0), MetaNodes: make([]proto.NodeView, 0), DataNodeLen: dataNodeLen, MetaNodeLen: metaNodeLen}
}
//ZoneView define the view of zone
type ZoneView struct {
Name string
Status string
NodeSet map[uint64]*NodeSetView
}
func newZoneView(name string) *ZoneView {
return &ZoneView{NodeSet: make(map[uint64]*NodeSetView, 0), Name: name}
}
type badPartitionView = proto.BadPartitionView
// Set the threshold of the memory usage on each meta node.
// If the memory usage reaches this threshold, then all the mata partition will be marked as readOnly.
func (m *Server) setMetaNodeThreshold(w http.ResponseWriter, r *http.Request) {
var (
threshold float64
err error
)
if threshold, err = parseAndExtractThreshold(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if err = m.cluster.setMetaNodeThreshold(float32(threshold)); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
sendOkReply(w, r, newSuccessHTTPReply(fmt.Sprintf("set threshold to %v successfully", threshold)))
}
// Turn on or off the automatic allocation of the data partitions.
// If DisableAutoAllocate == off, then we WILL NOT automatically allocate new data partitions for the volume when:
// 1. the used space is below the max capacity,
// 2. and the number of r&w data partition is less than 20.
//
// If DisableAutoAllocate == on, then we WILL automatically allocate new data partitions for the volume when:
// 1. the used space is below the max capacity,
// 2. and the number of r&w data partition is less than 20.
func (m *Server) setupAutoAllocation(w http.ResponseWriter, r *http.Request) {
var (
status bool
err error
)
if status, err = parseAndExtractStatus(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if err = m.cluster.setDisableAutoAllocate(status); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
sendOkReply(w, r, newSuccessHTTPReply(fmt.Sprintf("set DisableAutoAllocate to %v successfully", status)))
}
// View the topology of the cluster.
func (m *Server) getTopology(w http.ResponseWriter, r *http.Request) {
tv := &TopologyView{
Zones: make([]*ZoneView, 0),
}
zones := m.cluster.t.getAllZones()
for _, zone := range zones {
cv := newZoneView(zone.name)
cv.Status = zone.getStatusToString()
tv.Zones = append(tv.Zones, cv)
nsc := zone.getAllNodeSet()
for _, ns := range nsc {
nsView := newNodeSetView(ns.dataNodeLen(), ns.metaNodeLen())
cv.NodeSet[ns.ID] = nsView
ns.dataNodes.Range(func(key, value interface{}) bool {
dataNode := value.(*DataNode)
nsView.DataNodes = append(nsView.DataNodes, proto.NodeView{ID: dataNode.ID, Addr: dataNode.Addr, Status: dataNode.isActive, IsWritable: dataNode.isWriteAble()})
return true
})
ns.metaNodes.Range(func(key, value interface{}) bool {
metaNode := value.(*MetaNode)
nsView.MetaNodes = append(nsView.MetaNodes, proto.NodeView{ID: metaNode.ID, Addr: metaNode.Addr, Status: metaNode.IsActive, IsWritable: metaNode.isWritable()})
return true
})
}
}
sendOkReply(w, r, newSuccessHTTPReply(tv))
}
func (m *Server) updateZone(w http.ResponseWriter, r *http.Request) {
var (
name string
err error
)
if name = r.FormValue(nameKey); name == "" {
err = keyNotFound(nameKey)
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
status, err := extractStatus(r)
if err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
zone, err := m.cluster.t.getZone(name)
if err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeZoneNotExists, Msg: err.Error()})
return
}
if status {
zone.setStatus(normalZone)
} else {
zone.setStatus(unavailableZone)
}
sendOkReply(w, r, newSuccessHTTPReply(fmt.Sprintf("update zone status to [%v] successfully", status)))
}
func (m *Server) listZone(w http.ResponseWriter, r *http.Request) {
zones := m.cluster.t.getAllZones()
zoneViews := make([]*ZoneView, 0)
for _, zone := range zones {
cv := newZoneView(zone.name)
cv.Status = zone.getStatusToString()
zoneViews = append(zoneViews, cv)
}
sendOkReply(w, r, newSuccessHTTPReply(zoneViews))
}
func (m *Server) clusterStat(w http.ResponseWriter, r *http.Request) {
cs := &proto.ClusterStatInfo{
DataNodeStatInfo: m.cluster.dataNodeStatInfo,
MetaNodeStatInfo: m.cluster.metaNodeStatInfo,
ZoneStatInfo: make(map[string]*proto.ZoneStat, 0),
}
for zoneName, zoneStat := range m.cluster.zoneStatInfos {
cs.ZoneStatInfo[zoneName] = zoneStat
}
sendOkReply(w, r, newSuccessHTTPReply(cs))
}
func (m *Server) getCluster(w http.ResponseWriter, r *http.Request) {
cv := &proto.ClusterView{
Name: m.cluster.Name,
LeaderAddr: m.leaderInfo.addr,
DisableAutoAlloc: m.cluster.DisableAutoAllocate,
MetaNodeThreshold: m.cluster.cfg.MetaNodeThreshold,
Applied: m.fsm.applied,
MaxDataPartitionID: m.cluster.idAlloc.dataPartitionID,
MaxMetaNodeID: m.cluster.idAlloc.commonID,
MaxMetaPartitionID: m.cluster.idAlloc.metaPartitionID,
MetaNodes: make([]proto.NodeView, 0),
DataNodes: make([]proto.NodeView, 0),
VolStatInfo: make([]*proto.VolStatInfo, 0),
BadPartitionIDs: make([]proto.BadPartitionView, 0),
BadMetaPartitionIDs: make([]proto.BadPartitionView, 0),
}
vols := m.cluster.allVolNames()
cv.MetaNodes = m.cluster.allMetaNodes()
cv.DataNodes = m.cluster.allDataNodes()
cv.DataNodeStatInfo = m.cluster.dataNodeStatInfo
cv.MetaNodeStatInfo = m.cluster.metaNodeStatInfo
for _, name := range vols {
stat, ok := m.cluster.volStatInfo.Load(name)
if !ok {
cv.VolStatInfo = append(cv.VolStatInfo, newVolStatInfo(name, 0, 0, "0.0001"))
continue
}
cv.VolStatInfo = append(cv.VolStatInfo, stat.(*volStatInfo))
}
cv.BadPartitionIDs = m.cluster.getBadDataPartitionsView()
cv.BadMetaPartitionIDs = m.cluster.getBadMetaPartitionsView()
sendOkReply(w, r, newSuccessHTTPReply(cv))
}
func (m *Server) getIPAddr(w http.ResponseWriter, r *http.Request) {
m.cluster.loadClusterValue()
batchCount := atomic.LoadUint64(&m.cluster.cfg.MetaNodeDeleteBatchCount)
limitRate := atomic.LoadUint64(&m.cluster.cfg.DataNodeDeleteLimitRate)
deleteSleepMs := atomic.LoadUint64(&m.cluster.cfg.MetaNodeDeleteWorkerSleepMs)
autoRepairRate := atomic.LoadUint64(&m.cluster.cfg.DataNodeAutoRepairLimitRate)
cInfo := &proto.ClusterInfo{
Cluster: m.cluster.Name,
MetaNodeDeleteBatchCount: batchCount,
MetaNodeDeleteWorkerSleepMs: deleteSleepMs,
DataNodeDeleteLimitRate: limitRate,
DataNodeAutoRepairLimitRate: autoRepairRate,
Ip: strings.Split(r.RemoteAddr, ":")[0],
}
sendOkReply(w, r, newSuccessHTTPReply(cInfo))
}
func (m *Server) createMetaPartition(w http.ResponseWriter, r *http.Request) {
var (
volName string
start uint64
err error
)
if volName, start, err = validateRequestToCreateMetaPartition(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if err = m.cluster.updateInodeIDRange(volName, start); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
sendOkReply(w, r, newSuccessHTTPReply(fmt.Sprint("create meta partition successfully")))
}
func (m *Server) createDataPartition(w http.ResponseWriter, r *http.Request) {
var (
rstMsg string
volName string
vol *Vol
reqCreateCount int
lastTotalDataPartitions int
clusterTotalDataPartitions int
err error
)
if reqCreateCount, volName, err = parseRequestToCreateDataPartition(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if vol, err = m.cluster.getVol(volName); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrVolNotExists))
return
}
lastTotalDataPartitions = len(vol.dataPartitions.partitions)
clusterTotalDataPartitions = m.cluster.getDataPartitionCount()
err = m.cluster.batchCreateDataPartition(vol, reqCreateCount)
rstMsg = fmt.Sprintf(" createDataPartition succeeeds. "+
"clusterLastTotalDataPartitions[%v],vol[%v] has %v data partitions previously and %v data partitions now",
clusterTotalDataPartitions, volName, lastTotalDataPartitions, len(vol.dataPartitions.partitions))
if err != nil {
log.LogErrorf("create data partition fail: volume(%v) err(%v)", volName, err)
sendErrReply(w, r, newErrHTTPReply(err))
return
}
_ = sendOkReply(w, r, newSuccessHTTPReply(rstMsg))
}
func (m *Server) getDataPartition(w http.ResponseWriter, r *http.Request) {
var (
dp *DataPartition
partitionID uint64
volName string
vol *Vol
err error
)
if partitionID, volName, err = parseRequestToGetDataPartition(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if volName != "" {
if vol, err = m.cluster.getVol(volName); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataPartitionNotExists))
return
}
if dp, err = vol.getDataPartitionByID(partitionID); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataPartitionNotExists))
return
}
} else {
if dp, err = m.cluster.getDataPartitionByID(partitionID); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataPartitionNotExists))
return
}
}
sendOkReply(w, r, newSuccessHTTPReply(dp.ToProto(m.cluster)))
}
// Load the data partition.
func (m *Server) loadDataPartition(w http.ResponseWriter, r *http.Request) {
var (
msg string
dp *DataPartition
partitionID uint64
err error
)
if partitionID, err = parseRequestToLoadDataPartition(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if dp, err = m.cluster.getDataPartitionByID(partitionID); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataPartitionNotExists))
return
}
m.cluster.loadDataPartition(dp)
msg = fmt.Sprintf(proto.AdminLoadDataPartition+"partitionID :%v load data partition successfully", partitionID)
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
func (m *Server) addDataReplica(w http.ResponseWriter, r *http.Request) {
var (
msg string
addr string
dp *DataPartition
partitionID uint64
err error
)
if partitionID, addr, err = parseRequestToAddDataReplica(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if dp, err = m.cluster.getDataPartitionByID(partitionID); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataPartitionNotExists))
return
}
if err = m.cluster.addDataReplica(dp, addr); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
dp.Status = proto.ReadOnly
dp.isRecover = true
m.cluster.putBadDataPartitionIDs(nil, addr, dp.PartitionID)
msg = fmt.Sprintf("data partitionID :%v add replica [%v] successfully", partitionID, addr)
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
func (m *Server) deleteDataReplica(w http.ResponseWriter, r *http.Request) {
var (
msg string
addr string
dp *DataPartition
partitionID uint64
err error
)
if partitionID, addr, err = parseRequestToRemoveDataReplica(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if dp, err = m.cluster.getDataPartitionByID(partitionID); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataPartitionNotExists))
return
}
if err = m.cluster.removeDataReplica(dp, addr, true); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
msg = fmt.Sprintf("data partitionID :%v delete replica [%v] successfully", partitionID, addr)
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
func (m *Server) addMetaReplica(w http.ResponseWriter, r *http.Request) {
var (
msg string
addr string
mp *MetaPartition
partitionID uint64
err error
)
if partitionID, addr, err = parseRequestToAddMetaReplica(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if mp, err = m.cluster.getMetaPartitionByID(partitionID); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrMetaPartitionNotExists))
return
}
if err = m.cluster.addMetaReplica(mp, addr); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
mp.IsRecover = true
m.cluster.putBadMetaPartitions(addr, mp.PartitionID)
msg = fmt.Sprintf("meta partitionID :%v add replica [%v] successfully", partitionID, addr)
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
func (m *Server) deleteMetaReplica(w http.ResponseWriter, r *http.Request) {
var (
msg string
addr string
mp *MetaPartition
partitionID uint64
err error
)
if partitionID, addr, err = parseRequestToRemoveMetaReplica(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if mp, err = m.cluster.getMetaPartitionByID(partitionID); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrMetaPartitionNotExists))
return
}
if err = m.cluster.deleteMetaReplica(mp, addr, true); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
msg = fmt.Sprintf("meta partitionID :%v delete replica [%v] successfully", partitionID, addr)
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
// Decommission a data partition. This usually happens when disk error has been reported.
// This function needs to be called manually by the admin.
func (m *Server) decommissionDataPartition(w http.ResponseWriter, r *http.Request) {
var (
rstMsg string
dp *DataPartition
addr string
partitionID uint64
err error
)
if partitionID, addr, err = parseRequestToDecommissionDataPartition(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if dp, err = m.cluster.getDataPartitionByID(partitionID); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataPartitionNotExists))
return
}
if err = m.cluster.decommissionDataPartition(addr, dp, handleDataPartitionOfflineErr); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
rstMsg = fmt.Sprintf(proto.AdminDecommissionDataPartition+" dataPartitionID :%v on node:%v successfully", partitionID, addr)
sendOkReply(w, r, newSuccessHTTPReply(rstMsg))
}
func (m *Server) diagnoseDataPartition(w http.ResponseWriter, r *http.Request) {
var (
err error
rstMsg *proto.DataPartitionDiagnosis
inactiveNodes []string
corruptDps []*DataPartition
lackReplicaDps []*DataPartition
corruptDpIDs []uint64
lackReplicaDpIDs []uint64
badDataPartitions []badPartitionView
)
corruptDpIDs = make([]uint64, 0)
lackReplicaDpIDs = make([]uint64, 0)
if inactiveNodes, corruptDps, err = m.cluster.checkCorruptDataPartitions(); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
if lackReplicaDps, err = m.cluster.checkLackReplicaDataPartitions(); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
for _, dp := range corruptDps {
corruptDpIDs = append(corruptDpIDs, dp.PartitionID)
}
for _, dp := range lackReplicaDps {
lackReplicaDpIDs = append(lackReplicaDpIDs, dp.PartitionID)
}
badDataPartitions = m.cluster.getBadDataPartitionsView()
rstMsg = &proto.DataPartitionDiagnosis{
InactiveDataNodes: inactiveNodes,
CorruptDataPartitionIDs: corruptDpIDs,
LackReplicaDataPartitionIDs: lackReplicaDpIDs,
BadDataPartitionIDs: badDataPartitions,
}
log.LogInfof("diagnose dataPartition[%v] inactiveNodes:[%v], corruptDpIDs:[%v], lackReplicaDpIDs:[%v]", m.cluster.Name, inactiveNodes, corruptDpIDs, lackReplicaDpIDs)
sendOkReply(w, r, newSuccessHTTPReply(rstMsg))
}
// Mark the volume as deleted, which will then be deleted later.
func (m *Server) markDeleteVol(w http.ResponseWriter, r *http.Request) {
var (
name string
authKey string
err error
msg string
)
if name, authKey, err = parseRequestToDeleteVol(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if err = m.cluster.markDeleteVol(name, authKey); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
if err = m.user.deleteVolPolicy(name); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
msg = fmt.Sprintf("delete vol[%v] successfully,from[%v]", name, r.RemoteAddr)
log.LogWarn(msg)
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
func (m *Server) updateVol(w http.ResponseWriter, r *http.Request) {
var (
name string
authKey string
err error
msg string
capacity uint64
replicaNum int
followerRead bool
authenticate bool
zoneName string
description string
dpSelectorName string
dpSelectorParm string
vol *Vol
)
if name, authKey, description, err = parseRequestToUpdateVol(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if vol, err = m.cluster.getVol(name); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeVolNotExists, Msg: err.Error()})
return
}
if zoneName, capacity, replicaNum, dpSelectorName, dpSelectorParm, err =
parseDefaultInfoToUpdateVol(r, vol); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if replicaNum != 0 && !(replicaNum == 2 || replicaNum == 3) {
err = fmt.Errorf("replicaNum can only be 2 and 3,received replicaNum is[%v]", replicaNum)
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if followerRead, authenticate, err = parseBoolFieldToUpdateVol(r, vol); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
newArgs := getVolVarargs(vol)
newArgs.zoneName = zoneName
newArgs.description = description
newArgs.capacity = capacity
newArgs.followerRead = followerRead
newArgs.authenticate = authenticate
newArgs.dpSelectorName = dpSelectorName
newArgs.dpSelectorParm = dpSelectorParm
if err = m.cluster.updateVol(name, authKey, newArgs); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
msg = fmt.Sprintf("update vol[%v] successfully\n", name)
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
func (m *Server) volExpand(w http.ResponseWriter, r *http.Request) {
var (
name string
authKey string
err error
msg string
capacity int
vol *Vol
)
if name, authKey, capacity, err = parseRequestToSetVolCapacity(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if vol, err = m.cluster.getVol(name); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeVolNotExists, Msg: err.Error()})
return
}
if uint64(capacity) <= vol.Capacity {
err = fmt.Errorf("expand capacity[%v] should be larger than the old capacity[%v]", capacity, vol.Capacity)
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
newArgs := getVolVarargs(vol)
newArgs.capacity = uint64(capacity)
if err = m.cluster.updateVol(name, authKey, newArgs); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
msg = fmt.Sprintf("update vol[%v] successfully\n", name)
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
func (m *Server) volShrink(w http.ResponseWriter, r *http.Request) {
var (
name string
authKey string
err error
msg string
capacity int
vol *Vol
)
if name, authKey, capacity, err = parseRequestToSetVolCapacity(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if vol, err = m.cluster.getVol(name); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeVolNotExists, Msg: err.Error()})
return
}
if uint64(capacity) >= vol.Capacity {
err = fmt.Errorf("shrink capacity[%v] should be less than the old capacity[%v]", capacity, vol.Capacity)
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
newArgs := getVolVarargs(vol)
newArgs.capacity = uint64(capacity)
if err = m.cluster.updateVol(name, authKey, newArgs); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
msg = fmt.Sprintf("update vol[%v] successfully\n", name)
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
func (m *Server) createVol(w http.ResponseWriter, r *http.Request) {
var (
name string
owner string
err error
msg string
size int
mpCount int
dpReplicaNum int
capacity int
vol *Vol
followerRead bool
authenticate bool
crossZone bool
zoneName string
description string
)
if name, owner, zoneName, description, mpCount, dpReplicaNum, size, capacity, followerRead, authenticate, crossZone, err = parseRequestToCreateVol(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if !(dpReplicaNum == 2 || dpReplicaNum == 3) {
err = fmt.Errorf("replicaNum can only be 2 and 3,received replicaNum is[%v]", dpReplicaNum)
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if vol, err = m.cluster.createVol(name, owner, zoneName, description, mpCount, dpReplicaNum, size, capacity, followerRead, authenticate, crossZone); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
if err = m.associateVolWithUser(owner, name); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
msg = fmt.Sprintf("create vol[%v] successfully, has allocate [%v] data partitions", name, len(vol.dataPartitions.partitions))
sendOkReply(w, r, newSuccessHTTPReply(msg))
}
func (m *Server) getVolSimpleInfo(w http.ResponseWriter, r *http.Request) {
var (
err error
name string
vol *Vol
volView *proto.SimpleVolView
)
if name, err = parseAndExtractName(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if vol, err = m.cluster.getVol(name); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrVolNotExists))
return
}
volView = newSimpleView(vol)
sendOkReply(w, r, newSuccessHTTPReply(volView))
}
func newSimpleView(vol *Vol) *proto.SimpleVolView {
var (
volInodeCount uint64
volDentryCount uint64
)
for _, mp := range vol.MetaPartitions {
volDentryCount = volDentryCount + mp.DentryCount
volInodeCount = volInodeCount + mp.InodeCount
}
maxPartitionID := vol.maxPartitionID()
return &proto.SimpleVolView{
ID: vol.ID,
Name: vol.Name,
Owner: vol.Owner,
ZoneName: vol.zoneName,
DpReplicaNum: vol.dpReplicaNum,
MpReplicaNum: vol.mpReplicaNum,
InodeCount: volInodeCount,
DentryCount: volDentryCount,
MaxMetaPartitionID: maxPartitionID,
Status: vol.Status,
Capacity: vol.Capacity,
FollowerRead: vol.FollowerRead,
NeedToLowerReplica: vol.NeedToLowerReplica,
Authenticate: vol.authenticate,
CrossZone: vol.crossZone,
RwDpCnt: vol.dataPartitions.readableAndWritableCnt,
MpCnt: len(vol.MetaPartitions),
DpCnt: len(vol.dataPartitions.partitionMap),
CreateTime: time.Unix(vol.createTime, 0).Format(proto.TimeFormat),
Description: vol.description,
DpSelectorName: vol.dpSelectorName,
DpSelectorParm: vol.dpSelectorParm,
}
}
func (m *Server) addDataNode(w http.ResponseWriter, r *http.Request) {
var (
nodeAddr string
zoneName string
id uint64
err error
)
if nodeAddr, zoneName, err = parseRequestForAddNode(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if id, err = m.cluster.addDataNode(nodeAddr, zoneName); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
sendOkReply(w, r, newSuccessHTTPReply(id))
}
func (m *Server) getDataNode(w http.ResponseWriter, r *http.Request) {
var (
nodeAddr string
dataNode *DataNode
dataNodeInfo *proto.DataNodeInfo
err error
)
if nodeAddr, err = parseAndExtractNodeAddr(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if dataNode, err = m.cluster.dataNode(nodeAddr); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataNodeNotExists))
return
}
dataNode.PersistenceDataPartitions = m.cluster.getAllDataPartitionIDByDatanode(nodeAddr)
dataNodeInfo = &proto.DataNodeInfo{
Total: dataNode.Total,
Used: dataNode.Used,
AvailableSpace: dataNode.AvailableSpace,
ID: dataNode.ID,
ZoneName: dataNode.ZoneName,
Addr: dataNode.Addr,
ReportTime: dataNode.ReportTime,
IsActive: dataNode.isActive,
UsageRatio: dataNode.UsageRatio,
SelectedTimes: dataNode.SelectedTimes,
Carry: dataNode.Carry,
DataPartitionReports: dataNode.DataPartitionReports,
DataPartitionCount: dataNode.DataPartitionCount,
NodeSetID: dataNode.NodeSetID,
PersistenceDataPartitions: dataNode.PersistenceDataPartitions,
BadDisks: dataNode.BadDisks,
}
sendOkReply(w, r, newSuccessHTTPReply(dataNodeInfo))
}
// Decommission a data node. This will decommission all the data partition on that node.
func (m *Server) decommissionDataNode(w http.ResponseWriter, r *http.Request) {
var (
node *DataNode
rstMsg string
offLineAddr string
err error
)
if offLineAddr, err = parseAndExtractNodeAddr(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if node, err = m.cluster.dataNode(offLineAddr); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataNodeNotExists))
return
}
if err = m.cluster.decommissionDataNode(node); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
rstMsg = fmt.Sprintf("decommission data node [%v] successfully", offLineAddr)
sendOkReply(w, r, newSuccessHTTPReply(rstMsg))
}
func (m *Server) setNodeInfoHandler(w http.ResponseWriter, r *http.Request) {
var (
params map[string]interface{}
err error
)
if params, err = parseAndExtractSetNodeInfoParams(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if batchCount, ok := params[nodeDeleteBatchCountKey]; ok {
if bc, ok := batchCount.(uint64); ok {
if err = m.cluster.setMetaNodeDeleteBatchCount(bc); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
}
}
if val, ok := params[nodeMarkDeleteRateKey]; ok {
if v, ok := val.(uint64); ok {
if err = m.cluster.setDataNodeDeleteLimitRate(v); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
}
}
if val, ok := params[nodeAutoRepairRateKey]; ok {
if v, ok := val.(uint64); ok {
if err = m.cluster.setDataNodeAutoRepairLimitRate(v); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
}
}
if val, ok := params[nodeDeleteWorkerSleepMs]; ok {
if v, ok := val.(uint64); ok {
if err = m.cluster.setMetaNodeDeleteWorkerSleepMs(v); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
return
}
}
}
sendOkReply(w, r, newSuccessHTTPReply(fmt.Sprintf("set nodeinfo params %v successfully", params)))
}
// get metanode some interval params
func (m *Server) getNodeInfoHandler(w http.ResponseWriter, r *http.Request) {
resp := make(map[string]string)
resp[nodeDeleteBatchCountKey] = fmt.Sprintf("%v", m.cluster.cfg.MetaNodeDeleteBatchCount)
resp[nodeMarkDeleteRateKey] = fmt.Sprintf("%v", m.cluster.cfg.DataNodeDeleteLimitRate)
resp[nodeDeleteWorkerSleepMs] = fmt.Sprintf("%v", m.cluster.cfg.MetaNodeDeleteWorkerSleepMs)
resp[nodeAutoRepairRateKey] = fmt.Sprintf("%v", m.cluster.cfg.DataNodeAutoRepairLimitRate)
sendOkReply(w, r, newSuccessHTTPReply(resp))
}
func (m *Server) diagnoseMetaPartition(w http.ResponseWriter, r *http.Request) {
var (
err error
rstMsg *proto.MetaPartitionDiagnosis
inactiveNodes []string
corruptMps []*MetaPartition
lackReplicaMps []*MetaPartition
corruptMpIDs []uint64
lackReplicaMpIDs []uint64
badMetaPartitions []badPartitionView
)
corruptMpIDs = make([]uint64, 0)
lackReplicaMpIDs = make([]uint64, 0)
if inactiveNodes, corruptMps, err = m.cluster.checkCorruptMetaPartitions(); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
}
if lackReplicaMps, err = m.cluster.checkLackReplicaMetaPartitions(); err != nil {
sendErrReply(w, r, newErrHTTPReply(err))
}
for _, mp := range corruptMps {
corruptMpIDs = append(corruptMpIDs, mp.PartitionID)
}
for _, mp := range lackReplicaMps {
lackReplicaMpIDs = append(lackReplicaMpIDs, mp.PartitionID)
}
badMetaPartitions = m.cluster.getBadMetaPartitionsView()
rstMsg = &proto.MetaPartitionDiagnosis{
InactiveMetaNodes: inactiveNodes,
CorruptMetaPartitionIDs: corruptMpIDs,
LackReplicaMetaPartitionIDs: lackReplicaMpIDs,
BadMetaPartitionIDs: badMetaPartitions,
}
log.LogInfof("diagnose metaPartition[%v] inactiveNodes:[%v], corruptMpIDs:[%v], lackReplicaMpIDs:[%v]", m.cluster.Name, inactiveNodes, corruptMpIDs, lackReplicaMpIDs)
sendOkReply(w, r, newSuccessHTTPReply(rstMsg))
}
// Decommission a disk. This will decommission all the data partitions on this disk.
func (m *Server) decommissionDisk(w http.ResponseWriter, r *http.Request) {
var (
node *DataNode
rstMsg string
offLineAddr, diskPath string
err error
badPartitionIds []uint64
badPartitions []*DataPartition
)
if offLineAddr, diskPath, err = parseRequestToDecommissionNode(r); err != nil {
sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeParamError, Msg: err.Error()})
return
}
if node, err = m.cluster.dataNode(offLineAddr); err != nil {
sendErrReply(w, r, newErrHTTPReply(proto.ErrDataNodeNotExists))
return
}
badPartitions = node.badPartitions(diskPath, m.cluster)
if len(badPartitions) == 0 {
rstMsg = fmt.Sprintf("receive decommissionDisk node[%v] no any partitions on disk[%v],offline successfully",
node.Addr, diskPath)
sendOkReply(w, r, newSuccessHTTPReply(rstMsg))
return
}
for _, bdp := range badPartitions {
badPartitionIds = append(badPartitionIds, bdp.PartitionID)