milvus/internal/rootcoord/root_coord.go
Xiaofan b657b10eb5
Remove useless log (#16624)
Signed-off-by: xiaofan-luan <xiaofan.luan@zilliz.com>
2022-04-27 10:01:47 +08:00

2709 lines
98 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 rootcoord
import (
"context"
"encoding/json"
"errors"
"fmt"
"math/rand"
"os"
"strconv"
"strings"
"sync"
"sync/atomic"
"syscall"
"time"
"github.com/golang/protobuf/proto"
clientv3 "go.etcd.io/etcd/client/v3"
"go.uber.org/zap"
"github.com/milvus-io/milvus/internal/allocator"
"github.com/milvus-io/milvus/internal/common"
"github.com/milvus-io/milvus/internal/kv"
etcdkv "github.com/milvus-io/milvus/internal/kv/etcd"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/metrics"
ms "github.com/milvus-io/milvus/internal/mq/msgstream"
"github.com/milvus-io/milvus/internal/proto/commonpb"
"github.com/milvus-io/milvus/internal/proto/datapb"
"github.com/milvus-io/milvus/internal/proto/etcdpb"
"github.com/milvus-io/milvus/internal/proto/indexpb"
"github.com/milvus-io/milvus/internal/proto/internalpb"
"github.com/milvus-io/milvus/internal/proto/milvuspb"
"github.com/milvus-io/milvus/internal/proto/proxypb"
"github.com/milvus-io/milvus/internal/proto/querypb"
"github.com/milvus-io/milvus/internal/proto/rootcoordpb"
"github.com/milvus-io/milvus/internal/proto/schemapb"
"github.com/milvus-io/milvus/internal/tso"
"github.com/milvus-io/milvus/internal/types"
"github.com/milvus-io/milvus/internal/util"
"github.com/milvus-io/milvus/internal/util/crypto"
"github.com/milvus-io/milvus/internal/util/dependency"
"github.com/milvus-io/milvus/internal/util/metricsinfo"
"github.com/milvus-io/milvus/internal/util/paramtable"
"github.com/milvus-io/milvus/internal/util/retry"
"github.com/milvus-io/milvus/internal/util/sessionutil"
"github.com/milvus-io/milvus/internal/util/timerecord"
"github.com/milvus-io/milvus/internal/util/trace"
"github.com/milvus-io/milvus/internal/util/tsoutil"
"github.com/milvus-io/milvus/internal/util/typeutil"
)
// UniqueID is an alias of typeutil.UniqueID.
type UniqueID = typeutil.UniqueID
// ------------------ struct -----------------------
// DdOperation used to save ddMsg into etcd
type DdOperation struct {
Body []byte `json:"body"`
Type string `json:"type"`
}
func metricProxy(v int64) string {
return fmt.Sprintf("client_%d", v)
}
var Params paramtable.ComponentParam
// Core root coordinator core
type Core struct {
MetaTable *MetaTable
//id allocator
IDAllocator func(count uint32) (typeutil.UniqueID, typeutil.UniqueID, error)
IDAllocatorUpdate func() error
//tso allocator
TSOAllocator func(count uint32) (typeutil.Timestamp, error)
TSOAllocatorUpdate func() error
TSOGetLastSavedTime func() time.Time
//inner members
ctx context.Context
cancel context.CancelFunc
wg sync.WaitGroup
etcdCli *clientv3.Client
kvBase kv.TxnKV //*etcdkv.EtcdKV
impTaskKv kv.MetaKv
//DDL lock
ddlLock sync.Mutex
kvBaseCreate func(root string) (kv.TxnKV, error)
metaKVCreate func(root string) (kv.MetaKv, error)
//setMsgStreams, send time tick into dd channel and time tick channel
SendTimeTick func(t typeutil.Timestamp, reason string) error
//setMsgStreams, send create collection into dd channel
//returns corresponding message id for each channel
SendDdCreateCollectionReq func(ctx context.Context, req *internalpb.CreateCollectionRequest, channelNames []string) (map[string][]byte, error)
//setMsgStreams, send drop collection into dd channel, and notify the proxy to delete this collection
SendDdDropCollectionReq func(ctx context.Context, req *internalpb.DropCollectionRequest, channelNames []string) error
//setMsgStreams, send create partition into dd channel
SendDdCreatePartitionReq func(ctx context.Context, req *internalpb.CreatePartitionRequest, channelNames []string) error
//setMsgStreams, send drop partition into dd channel
SendDdDropPartitionReq func(ctx context.Context, req *internalpb.DropPartitionRequest, channelNames []string) error
//get binlog file path from data service,
CallGetBinlogFilePathsService func(ctx context.Context, segID typeutil.UniqueID, fieldID typeutil.UniqueID) ([]string, error)
CallGetNumRowsService func(ctx context.Context, segID typeutil.UniqueID, isFromFlushedChan bool) (int64, error)
CallGetFlushedSegmentsService func(ctx context.Context, collID, partID typeutil.UniqueID) ([]typeutil.UniqueID, error)
//call index builder's client to build index, return build id or get index state.
CallBuildIndexService func(ctx context.Context, binlog []string, field *schemapb.FieldSchema, idxInfo *etcdpb.IndexInfo, numRows int64) (typeutil.UniqueID, error)
CallDropIndexService func(ctx context.Context, indexID typeutil.UniqueID) error
CallGetIndexStatesService func(ctx context.Context, IndexBuildIDs []int64) ([]*indexpb.IndexInfo, error)
NewProxyClient func(sess *sessionutil.Session) (types.Proxy, error)
//query service interface, notify query service to release collection
CallReleaseCollectionService func(ctx context.Context, ts typeutil.Timestamp, dbID, collectionID typeutil.UniqueID) error
CallReleasePartitionService func(ctx context.Context, ts typeutil.Timestamp, dbID, collectionID typeutil.UniqueID, partitionIDs []typeutil.UniqueID) error
CallWatchChannels func(ctx context.Context, collectionID int64, channelNames []string) error
// Update segment state.
CallUpdateSegmentStateService func(ctx context.Context, segID typeutil.UniqueID, ss commonpb.SegmentState) error
//assign import task to data service
CallImportService func(ctx context.Context, req *datapb.ImportTaskRequest) *datapb.ImportTaskResponse
// Seals segments in collection cID, so they can get flushed later.
CallFlushOnCollection func(ctx context.Context, cID int64, segIDs []int64) error
//Proxy manager
proxyManager *proxyManager
// proxy clients
proxyClientManager *proxyClientManager
// metrics cache manager
metricsCacheManager *metricsinfo.MetricsCacheManager
// channel timetick
chanTimeTick *timetickSync
//time tick loop
lastTimeTick typeutil.Timestamp
//states code
stateCode atomic.Value
//call once
initOnce sync.Once
startOnce sync.Once
//isInit atomic.Value
session *sessionutil.Session
factory dependency.Factory
//import manager
importManager *importManager
}
// --------------------- function --------------------------
// NewCore creates a new rootcoord core
func NewCore(c context.Context, factory dependency.Factory) (*Core, error) {
ctx, cancel := context.WithCancel(c)
rand.Seed(time.Now().UnixNano())
core := &Core{
ctx: ctx,
cancel: cancel,
ddlLock: sync.Mutex{},
factory: factory,
}
core.UpdateStateCode(internalpb.StateCode_Abnormal)
return core, nil
}
// UpdateStateCode update state code
func (c *Core) UpdateStateCode(code internalpb.StateCode) {
c.stateCode.Store(code)
}
func (c *Core) checkHealthy() (internalpb.StateCode, bool) {
code := c.stateCode.Load().(internalpb.StateCode)
ok := code == internalpb.StateCode_Healthy
return code, ok
}
func failStatus(code commonpb.ErrorCode, reason string) *commonpb.Status {
return &commonpb.Status{
ErrorCode: code,
Reason: reason,
}
}
func succStatus() *commonpb.Status {
return &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
Reason: "",
}
}
func (c *Core) checkInit() error {
if c.MetaTable == nil {
return fmt.Errorf("metaTable is nil")
}
if c.IDAllocator == nil {
return fmt.Errorf("idAllocator is nil")
}
if c.IDAllocatorUpdate == nil {
return fmt.Errorf("idAllocatorUpdate is nil")
}
if c.TSOAllocator == nil {
return fmt.Errorf("tsoAllocator is nil")
}
if c.TSOAllocatorUpdate == nil {
return fmt.Errorf("tsoAllocatorUpdate is nil")
}
if c.etcdCli == nil {
return fmt.Errorf("etcdCli is nil")
}
if c.kvBase == nil {
return fmt.Errorf("kvBase is nil")
}
if c.impTaskKv == nil {
return fmt.Errorf("impTaskKv is nil")
}
if c.SendDdCreateCollectionReq == nil {
return fmt.Errorf("sendDdCreateCollectionReq is nil")
}
if c.SendDdDropCollectionReq == nil {
return fmt.Errorf("sendDdDropCollectionReq is nil")
}
if c.SendDdCreatePartitionReq == nil {
return fmt.Errorf("sendDdCreatePartitionReq is nil")
}
if c.SendDdDropPartitionReq == nil {
return fmt.Errorf("sendDdDropPartitionReq is nil")
}
if c.CallGetBinlogFilePathsService == nil {
return fmt.Errorf("callGetBinlogFilePathsService is nil")
}
if c.CallGetNumRowsService == nil {
return fmt.Errorf("callGetNumRowsService is nil")
}
if c.CallBuildIndexService == nil {
return fmt.Errorf("callBuildIndexService is nil")
}
if c.CallDropIndexService == nil {
return fmt.Errorf("callDropIndexService is nil")
}
if c.CallGetFlushedSegmentsService == nil {
return fmt.Errorf("callGetFlushedSegmentsService is nil")
}
if c.CallUpdateSegmentStateService == nil {
return fmt.Errorf("CallUpdateSegmentStateService is nil")
}
if c.CallWatchChannels == nil {
return fmt.Errorf("callWatchChannels is nil")
}
if c.NewProxyClient == nil {
return fmt.Errorf("newProxyClient is nil")
}
if c.CallReleaseCollectionService == nil {
return fmt.Errorf("callReleaseCollectionService is nil")
}
if c.CallReleasePartitionService == nil {
return fmt.Errorf("callReleasePartitionService is nil")
}
if c.CallImportService == nil {
return fmt.Errorf("callImportService is nil")
}
return nil
}
func (c *Core) startTimeTickLoop() {
defer c.wg.Done()
ticker := time.NewTicker(Params.ProxyCfg.TimeTickInterval)
for {
select {
case <-c.ctx.Done():
log.Debug("rootcoord context closed", zap.Error(c.ctx.Err()))
return
case <-ticker.C:
c.ddlLock.Lock()
if ts, err := c.TSOAllocator(1); err == nil {
err := c.SendTimeTick(ts, "timetick loop")
if err != nil {
log.Warn("Failed to send timetick", zap.Error(err))
}
}
c.ddlLock.Unlock()
}
}
}
func (c *Core) tsLoop() {
defer c.wg.Done()
tsoTicker := time.NewTicker(tso.UpdateTimestampStep)
defer tsoTicker.Stop()
ctx, cancel := context.WithCancel(c.ctx)
defer cancel()
for {
select {
case <-tsoTicker.C:
if err := c.TSOAllocatorUpdate(); err != nil {
log.Warn("failed to update timestamp: ", zap.Error(err))
continue
}
ts := c.TSOGetLastSavedTime()
metrics.RootCoordETCDTimestampAllocCounter.Set(float64(ts.Unix()))
if err := c.IDAllocatorUpdate(); err != nil {
log.Warn("failed to update id: ", zap.Error(err))
continue
}
case <-ctx.Done():
// Server is closed and it should return nil.
log.Debug("tsLoop is closed")
return
}
}
}
func (c *Core) checkFlushedSegmentsLoop() {
defer c.wg.Done()
ticker := time.NewTicker(10 * time.Minute)
for {
select {
case <-c.ctx.Done():
log.Debug("RootCoord context done, exit check FlushedSegmentsLoop")
return
case <-ticker.C:
log.Debug("check flushed segments")
c.checkFlushedSegments(c.ctx)
}
}
}
func (c *Core) checkFlushedSegments(ctx context.Context) {
collID2Meta, segID2IndexMeta, indexID2Meta := c.MetaTable.dupMeta()
for _, collMeta := range collID2Meta {
if len(collMeta.FieldIndexes) == 0 {
continue
}
for _, partID := range collMeta.PartitionIDs {
ctx2, cancel2 := context.WithTimeout(ctx, 3*time.Minute)
segIDs, err := c.CallGetFlushedSegmentsService(ctx2, collMeta.ID, partID)
if err != nil {
log.Debug("failed to get flushed segments from data coord",
zap.Int64("collection id", collMeta.ID),
zap.Int64("partition id", partID),
zap.Error(err))
cancel2()
continue
}
for _, segID := range segIDs {
indexInfos := []*etcdpb.FieldIndexInfo{}
indexMeta, ok := segID2IndexMeta[segID]
if !ok {
indexInfos = append(indexInfos, collMeta.FieldIndexes...)
} else {
for _, idx := range collMeta.FieldIndexes {
if _, ok := indexMeta[idx.IndexID]; !ok {
indexInfos = append(indexInfos, idx)
}
}
}
for _, idxInfo := range indexInfos {
/* #nosec G601 */
field, err := GetFieldSchemaByID(&collMeta, idxInfo.FiledID)
if err != nil {
log.Debug("GetFieldSchemaByID",
zap.Any("collection_meta", collMeta),
zap.Int64("field id", idxInfo.FiledID))
continue
}
indexMeta, ok := indexID2Meta[idxInfo.IndexID]
if !ok {
log.Debug("index meta does not exist", zap.Int64("index_id", idxInfo.IndexID))
continue
}
info := etcdpb.SegmentIndexInfo{
CollectionID: collMeta.ID,
PartitionID: partID,
SegmentID: segID,
FieldID: idxInfo.FiledID,
IndexID: idxInfo.IndexID,
EnableIndex: false,
}
log.Debug("building index by background checker",
zap.Int64("segment_id", segID),
zap.Int64("index_id", indexMeta.IndexID),
zap.Int64("collection_id", collMeta.ID))
info.BuildID, err = c.BuildIndex(ctx2, segID, field, &indexMeta, false)
if err != nil {
log.Debug("build index failed",
zap.Int64("segment_id", segID),
zap.Int64("field_id", field.FieldID),
zap.Int64("index_id", indexMeta.IndexID))
continue
}
if info.BuildID != 0 {
info.EnableIndex = true
}
if err := c.MetaTable.AddIndex(&info); err != nil {
log.Debug("Add index into meta table failed",
zap.Int64("collection_id", collMeta.ID),
zap.Int64("index_id", info.IndexID),
zap.Int64("build_id", info.BuildID),
zap.Error(err))
}
}
}
cancel2()
}
}
}
func (c *Core) getSegments(ctx context.Context, collID typeutil.UniqueID) (map[typeutil.UniqueID]typeutil.UniqueID, error) {
collMeta, err := c.MetaTable.GetCollectionByID(collID, 0)
if err != nil {
return nil, err
}
segID2PartID := map[typeutil.UniqueID]typeutil.UniqueID{}
for _, partID := range collMeta.PartitionIDs {
if seg, err := c.CallGetFlushedSegmentsService(ctx, collID, partID); err == nil {
for _, s := range seg {
segID2PartID[s] = partID
}
} else {
log.Debug("failed to get flushed segments from data coord", zap.Int64("collection_id", collID), zap.Int64("partition_id", partID), zap.Error(err))
return nil, err
}
}
return segID2PartID, nil
}
func (c *Core) setMsgStreams() error {
if Params.CommonCfg.RootCoordSubName == "" {
return fmt.Errorf("RootCoordSubName is empty")
}
c.SendTimeTick = func(t typeutil.Timestamp, reason string) error {
pc := c.chanTimeTick.listDmlChannels()
pt := make([]uint64, len(pc))
for i := 0; i < len(pt); i++ {
pt[i] = t
}
ttMsg := internalpb.ChannelTimeTickMsg{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_TimeTick,
MsgID: 0, //TODO
Timestamp: t,
SourceID: c.session.ServerID,
},
ChannelNames: pc,
Timestamps: pt,
DefaultTimestamp: t,
}
return c.chanTimeTick.updateTimeTick(&ttMsg, reason)
}
c.SendDdCreateCollectionReq = func(ctx context.Context, req *internalpb.CreateCollectionRequest, channelNames []string) (map[string][]byte, error) {
msgPack := ms.MsgPack{}
baseMsg := ms.BaseMsg{
Ctx: ctx,
BeginTimestamp: req.Base.Timestamp,
EndTimestamp: req.Base.Timestamp,
HashValues: []uint32{0},
}
msg := &ms.CreateCollectionMsg{
BaseMsg: baseMsg,
CreateCollectionRequest: *req,
}
msgPack.Msgs = append(msgPack.Msgs, msg)
return c.chanTimeTick.broadcastMarkDmlChannels(channelNames, &msgPack)
}
c.SendDdDropCollectionReq = func(ctx context.Context, req *internalpb.DropCollectionRequest, channelNames []string) error {
msgPack := ms.MsgPack{}
baseMsg := ms.BaseMsg{
Ctx: ctx,
BeginTimestamp: req.Base.Timestamp,
EndTimestamp: req.Base.Timestamp,
HashValues: []uint32{0},
}
msg := &ms.DropCollectionMsg{
BaseMsg: baseMsg,
DropCollectionRequest: *req,
}
msgPack.Msgs = append(msgPack.Msgs, msg)
return c.chanTimeTick.broadcastDmlChannels(channelNames, &msgPack)
}
c.SendDdCreatePartitionReq = func(ctx context.Context, req *internalpb.CreatePartitionRequest, channelNames []string) error {
msgPack := ms.MsgPack{}
baseMsg := ms.BaseMsg{
Ctx: ctx,
BeginTimestamp: req.Base.Timestamp,
EndTimestamp: req.Base.Timestamp,
HashValues: []uint32{0},
}
msg := &ms.CreatePartitionMsg{
BaseMsg: baseMsg,
CreatePartitionRequest: *req,
}
msgPack.Msgs = append(msgPack.Msgs, msg)
return c.chanTimeTick.broadcastDmlChannels(channelNames, &msgPack)
}
c.SendDdDropPartitionReq = func(ctx context.Context, req *internalpb.DropPartitionRequest, channelNames []string) error {
msgPack := ms.MsgPack{}
baseMsg := ms.BaseMsg{
Ctx: ctx,
BeginTimestamp: req.Base.Timestamp,
EndTimestamp: req.Base.Timestamp,
HashValues: []uint32{0},
}
msg := &ms.DropPartitionMsg{
BaseMsg: baseMsg,
DropPartitionRequest: *req,
}
msgPack.Msgs = append(msgPack.Msgs, msg)
return c.chanTimeTick.broadcastDmlChannels(channelNames, &msgPack)
}
return nil
}
// SetNewProxyClient set client to create proxy
func (c *Core) SetNewProxyClient(f func(sess *sessionutil.Session) (types.Proxy, error)) {
if c.NewProxyClient == nil {
c.NewProxyClient = f
} else {
log.Debug("NewProxyClient has already set")
}
}
// SetDataCoord set dataCoord.
func (c *Core) SetDataCoord(ctx context.Context, s types.DataCoord) error {
initCh := make(chan struct{})
go func() {
for {
if err := s.Init(); err == nil {
if err := s.Start(); err == nil {
close(initCh)
log.Debug("RootCoord connected to DataCoord")
return
}
}
log.Debug("Retrying RootCoord connection to DataCoord")
}
}()
c.CallGetBinlogFilePathsService = func(ctx context.Context, segID typeutil.UniqueID, fieldID typeutil.UniqueID) (retFiles []string, retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("get bin log file paths panic, msg = %v", err)
}
}()
<-initCh //wait connect to DataCoord
ts, err := c.TSOAllocator(1)
if err != nil {
return nil, err
}
binlog, err := s.GetInsertBinlogPaths(ctx, &datapb.GetInsertBinlogPathsRequest{
Base: &commonpb.MsgBase{
MsgType: 0, //TODO, msg type
MsgID: 0,
Timestamp: ts,
SourceID: c.session.ServerID,
},
SegmentID: segID,
})
if err != nil {
return nil, err
}
if binlog.Status.ErrorCode != commonpb.ErrorCode_Success {
return nil, fmt.Errorf("getInsertBinlogPaths from data service failed, error = %s", binlog.Status.Reason)
}
binlogPaths := make([]string, 0)
for i := range binlog.FieldIDs {
if binlog.FieldIDs[i] == fieldID {
binlogPaths = append(binlogPaths, binlog.Paths[i].Values...)
}
}
if len(binlogPaths) == 0 {
return nil, fmt.Errorf("binlog file does not exist, segment id = %d, field id = %d", segID, fieldID)
}
return binlogPaths, nil
}
c.CallGetNumRowsService = func(ctx context.Context, segID typeutil.UniqueID, isFromFlushedChan bool) (retRows int64, retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("get num rows panic, msg = %v", err)
}
}()
<-initCh
ts, err := c.TSOAllocator(1)
if err != nil {
return retRows, err
}
segInfo, err := s.GetSegmentInfo(ctx, &datapb.GetSegmentInfoRequest{
Base: &commonpb.MsgBase{
MsgType: 0, //TODO, msg type
MsgID: 0,
Timestamp: ts,
SourceID: c.session.ServerID,
},
SegmentIDs: []typeutil.UniqueID{segID},
})
if err != nil {
return retRows, err
}
if segInfo.Status.ErrorCode != commonpb.ErrorCode_Success {
return retRows, fmt.Errorf("getSegmentInfo from data service failed, error = %s", segInfo.Status.Reason)
}
if len(segInfo.Infos) != 1 {
log.Debug("get segment info empty")
return retRows, nil
}
if !isFromFlushedChan && segInfo.Infos[0].State != commonpb.SegmentState_Flushed {
log.Debug("segment id not flushed", zap.Int64("segment id", segID))
return retRows, nil
}
return segInfo.Infos[0].NumOfRows, nil
}
c.CallGetFlushedSegmentsService = func(ctx context.Context, collID, partID typeutil.UniqueID) (retSegIDs []typeutil.UniqueID, retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("get flushed segments from data coord panic, msg = %v", err)
}
}()
<-initCh
req := &datapb.GetFlushedSegmentsRequest{
Base: &commonpb.MsgBase{
MsgType: 0, //TODO,msg type
MsgID: 0,
Timestamp: 0,
SourceID: c.session.ServerID,
},
CollectionID: collID,
PartitionID: partID,
}
rsp, err := s.GetFlushedSegments(ctx, req)
if err != nil {
return nil, err
}
if rsp.Status.ErrorCode != commonpb.ErrorCode_Success {
return nil, fmt.Errorf("get flushed segments from data coord failed, reason = %s", rsp.Status.Reason)
}
return rsp.Segments, nil
}
c.CallUpdateSegmentStateService = func(ctx context.Context, segID typeutil.UniqueID, ss commonpb.SegmentState) (retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("update segment state from data coord panic, msg = %v", err)
}
}()
<-initCh
req := &datapb.SetSegmentStateRequest{
SegmentId: segID,
NewState: ss,
}
resp, err := s.SetSegmentState(ctx, req)
if err != nil || resp.GetStatus().GetErrorCode() != commonpb.ErrorCode_Success {
log.Error("failed to update segment state",
zap.Any("request", req), zap.Any("response", resp), zap.Error(err))
return err
}
log.Info("successfully set segment state",
zap.Int64("segment ID", req.GetSegmentId()),
zap.String("new segment state", req.GetNewState().String()))
return nil
}
c.CallWatchChannels = func(ctx context.Context, collectionID int64, channelNames []string) (retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("watch channels panic, msg = %v", err)
}
}()
<-initCh
req := &datapb.WatchChannelsRequest{
CollectionID: collectionID,
ChannelNames: channelNames,
}
rsp, err := s.WatchChannels(ctx, req)
if err != nil {
return err
}
if rsp.Status.ErrorCode != commonpb.ErrorCode_Success {
return fmt.Errorf("data coord watch channels failed, reason = %s", rsp.Status.Reason)
}
return nil
}
c.CallImportService = func(ctx context.Context, req *datapb.ImportTaskRequest) *datapb.ImportTaskResponse {
resp := &datapb.ImportTaskResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
}
defer func() {
if err := recover(); err != nil {
resp.Status.ErrorCode = commonpb.ErrorCode_UnexpectedError
resp.Status.Reason = "assign import task to data coord panic"
}
}()
resp, _ = s.Import(ctx, req)
if resp.Status.ErrorCode != commonpb.ErrorCode_Success {
return resp
}
return resp
}
c.CallFlushOnCollection = func(ctx context.Context, cID int64, segIDs []int64) error {
resp, err := s.Flush(ctx, &datapb.FlushRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_Flush,
SourceID: c.session.ServerID,
},
DbID: 0,
SegmentIDs: segIDs,
CollectionID: cID,
})
if err != nil {
return errors.New("failed to call flush to data coordinator: " + err.Error())
}
if resp.Status.ErrorCode != commonpb.ErrorCode_Success {
return errors.New(resp.Status.Reason)
}
log.Info("flush on collection succeed", zap.Int64("collection ID", cID))
return nil
}
return nil
}
// SetIndexCoord set indexcoord
func (c *Core) SetIndexCoord(s types.IndexCoord) error {
initCh := make(chan struct{})
go func() {
for {
if err := s.Init(); err == nil {
if err := s.Start(); err == nil {
close(initCh)
log.Debug("RootCoord connected to IndexCoord")
return
}
}
log.Debug("Retrying RootCoord connection to IndexCoord")
}
}()
c.CallBuildIndexService = func(ctx context.Context, binlog []string, field *schemapb.FieldSchema, idxInfo *etcdpb.IndexInfo, numRows int64) (retID typeutil.UniqueID, retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("build index panic, msg = %v", err)
}
}()
<-initCh
rsp, err := s.BuildIndex(ctx, &indexpb.BuildIndexRequest{
DataPaths: binlog,
TypeParams: field.TypeParams,
IndexParams: idxInfo.IndexParams,
IndexID: idxInfo.IndexID,
IndexName: idxInfo.IndexName,
NumRows: numRows,
FieldSchema: field,
})
if err != nil {
return retID, err
}
if rsp.Status.ErrorCode != commonpb.ErrorCode_Success {
return retID, fmt.Errorf("buildIndex from index service failed, error = %s", rsp.Status.Reason)
}
return rsp.IndexBuildID, nil
}
c.CallDropIndexService = func(ctx context.Context, indexID typeutil.UniqueID) (retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("drop index from index service panic, msg = %v", err)
}
}()
<-initCh
rsp, err := s.DropIndex(ctx, &indexpb.DropIndexRequest{
IndexID: indexID,
})
if err != nil {
return err
}
if rsp.ErrorCode != commonpb.ErrorCode_Success {
return fmt.Errorf(rsp.Reason)
}
return nil
}
c.CallGetIndexStatesService = func(ctx context.Context, IndexBuildIDs []int64) (idxInfo []*indexpb.IndexInfo, retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("get index state from index service panic, msg = %v", err)
}
}()
<-initCh
res, err := s.GetIndexStates(ctx, &indexpb.GetIndexStatesRequest{
IndexBuildIDs: IndexBuildIDs,
})
if err != nil {
log.Error("RootCoord failed to get index states from IndexCoord.", zap.Error(err))
return nil, err
}
log.Debug("got index states", zap.String("get index state result", res.String()))
if res.GetStatus().GetErrorCode() != commonpb.ErrorCode_Success {
log.Error("Get index states failed.",
zap.String("error_code", res.GetStatus().GetErrorCode().String()),
zap.String("reason", res.GetStatus().GetReason()))
return nil, fmt.Errorf(res.GetStatus().GetErrorCode().String())
}
return res.GetStates(), nil
}
return nil
}
// SetQueryCoord set querycoord
func (c *Core) SetQueryCoord(s types.QueryCoord) error {
initCh := make(chan struct{})
go func() {
for {
if err := s.Init(); err == nil {
if err := s.Start(); err == nil {
close(initCh)
log.Debug("RootCoord connected to QueryCoord")
return
}
}
log.Debug("Retrying RootCoord connection to QueryCoord")
}
}()
c.CallReleaseCollectionService = func(ctx context.Context, ts typeutil.Timestamp, dbID typeutil.UniqueID, collectionID typeutil.UniqueID) (retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("release collection from query service panic, msg = %v", err)
}
}()
<-initCh
req := &querypb.ReleaseCollectionRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_ReleaseCollection,
MsgID: 0, //TODO, msg ID
Timestamp: ts,
SourceID: c.session.ServerID,
},
DbID: dbID,
CollectionID: collectionID,
}
rsp, err := s.ReleaseCollection(ctx, req)
if err != nil {
return err
}
if rsp.ErrorCode != commonpb.ErrorCode_Success {
return fmt.Errorf("releaseCollection from query service failed, error = %s", rsp.Reason)
}
return nil
}
c.CallReleasePartitionService = func(ctx context.Context, ts typeutil.Timestamp, dbID, collectionID typeutil.UniqueID, partitionIDs []typeutil.UniqueID) (retErr error) {
defer func() {
if err := recover(); err != nil {
retErr = fmt.Errorf("release partition from query service panic, msg = %v", err)
}
}()
<-initCh
req := &querypb.ReleasePartitionsRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_ReleasePartitions,
MsgID: 0, //TODO, msg ID
Timestamp: ts,
SourceID: c.session.ServerID,
},
DbID: dbID,
CollectionID: collectionID,
PartitionIDs: partitionIDs,
}
rsp, err := s.ReleasePartitions(ctx, req)
if err != nil {
return err
}
if rsp.ErrorCode != commonpb.ErrorCode_Success {
return fmt.Errorf("releasePartitions from query service failed, error = %s", rsp.Reason)
}
return nil
}
return nil
}
// BuildIndex will check row num and call build index service
func (c *Core) BuildIndex(ctx context.Context, segID typeutil.UniqueID, field *schemapb.FieldSchema, idxInfo *etcdpb.IndexInfo, isFlush bool) (typeutil.UniqueID, error) {
log.Debug("start build index", zap.String("index name", idxInfo.IndexName),
zap.String("field name", field.Name), zap.Int64("segment id", segID))
sp, ctx := trace.StartSpanFromContext(ctx)
defer sp.Finish()
if c.MetaTable.IsSegmentIndexed(segID, field, idxInfo.IndexParams) {
return 0, nil
}
rows, err := c.CallGetNumRowsService(ctx, segID, isFlush)
if err != nil {
return 0, err
}
var bldID typeutil.UniqueID
if rows < Params.RootCoordCfg.MinSegmentSizeToEnableIndex {
log.Debug("num of rows is less than MinSegmentSizeToEnableIndex", zap.Int64("num rows", rows))
} else {
binlogs, err := c.CallGetBinlogFilePathsService(ctx, segID, field.FieldID)
if err != nil {
return 0, err
}
bldID, err = c.CallBuildIndexService(ctx, binlogs, field, idxInfo, rows)
if err != nil {
return 0, err
}
log.Debug("CallBuildIndex finished", zap.String("index name", idxInfo.IndexName),
zap.String("field name", field.Name), zap.Int64("segment id", segID), zap.Int64("num rows", rows))
}
return bldID, nil
}
// RemoveIndex will call drop index service
func (c *Core) RemoveIndex(ctx context.Context, collName string, indexName string) error {
_, indexInfos, err := c.MetaTable.GetIndexByName(collName, indexName)
if err != nil {
log.Error("GetIndexByName failed,", zap.String("collection name", collName),
zap.String("index name", indexName), zap.Error(err))
return err
}
for _, indexInfo := range indexInfos {
if err = c.CallDropIndexService(ctx, indexInfo.IndexID); err != nil {
log.Error("CallDropIndexService failed,", zap.String("collection name", collName), zap.Error(err))
return err
}
}
return nil
}
// ExpireMetaCache will call invalidate collection meta cache
func (c *Core) ExpireMetaCache(ctx context.Context, collNames []string, ts typeutil.Timestamp) {
for _, collName := range collNames {
req := proxypb.InvalidateCollMetaCacheRequest{
Base: &commonpb.MsgBase{
MsgType: 0, //TODO, msg type
MsgID: 0, //TODO, msg id
Timestamp: ts,
SourceID: c.session.ServerID,
},
CollectionName: collName,
}
c.proxyClientManager.InvalidateCollectionMetaCache(ctx, &req)
}
}
// Register register rootcoord at etcd
func (c *Core) Register() error {
c.session.Register()
go c.session.LivenessCheck(c.ctx, func() {
log.Error("Root Coord disconnected from etcd, process will exit", zap.Int64("Server Id", c.session.ServerID))
if err := c.Stop(); err != nil {
log.Fatal("failed to stop server", zap.Error(err))
}
// manually send signal to starter goroutine
if c.session.TriggerKill {
if p, err := os.FindProcess(os.Getpid()); err == nil {
p.Signal(syscall.SIGINT)
}
}
})
c.UpdateStateCode(internalpb.StateCode_Healthy)
log.Debug("RootCoord start successfully ", zap.String("State Code", internalpb.StateCode_Healthy.String()))
return nil
}
// SetEtcdClient sets the etcdCli of Core
func (c *Core) SetEtcdClient(etcdClient *clientv3.Client) {
c.etcdCli = etcdClient
}
func (c *Core) initSession() error {
c.session = sessionutil.NewSession(c.ctx, Params.EtcdCfg.MetaRootPath, c.etcdCli)
if c.session == nil {
return fmt.Errorf("session is nil, the etcd client connection may have failed")
}
c.session.Init(typeutil.RootCoordRole, Params.RootCoordCfg.Address, true, true)
Params.SetLogger(c.session.ServerID)
return nil
}
// Init initialize routine
func (c *Core) Init() error {
var initError error
if c.kvBaseCreate == nil {
c.kvBaseCreate = func(root string) (kv.TxnKV, error) {
return etcdkv.NewEtcdKV(c.etcdCli, root), nil
}
}
if c.metaKVCreate == nil {
c.metaKVCreate = func(root string) (kv.MetaKv, error) {
return etcdkv.NewEtcdKV(c.etcdCli, root), nil
}
}
c.initOnce.Do(func() {
if err := c.initSession(); err != nil {
initError = err
log.Error("RootCoord init session failed", zap.Error(err))
return
}
connectEtcdFn := func() error {
if c.kvBase, initError = c.kvBaseCreate(Params.EtcdCfg.KvRootPath); initError != nil {
log.Error("RootCoord failed to new EtcdKV for kvBase", zap.Any("reason", initError))
return initError
}
if c.impTaskKv, initError = c.metaKVCreate(Params.EtcdCfg.KvRootPath); initError != nil {
log.Error("RootCoord failed to new EtcdKV for MetaKV", zap.Any("reason", initError))
return initError
}
var metaKV kv.TxnKV
metaKV, initError = c.kvBaseCreate(Params.EtcdCfg.MetaRootPath)
if initError != nil {
log.Error("RootCoord failed to new EtcdKV", zap.Any("reason", initError))
return initError
}
var ss *suffixSnapshot
if ss, initError = newSuffixSnapshot(metaKV, "_ts", Params.EtcdCfg.MetaRootPath, "snapshots"); initError != nil {
log.Error("RootCoord failed to new suffixSnapshot", zap.Error(initError))
return initError
}
if c.MetaTable, initError = NewMetaTable(metaKV, ss); initError != nil {
log.Error("RootCoord failed to new MetaTable", zap.Any("reason", initError))
return initError
}
return nil
}
log.Debug("RootCoord, Connecting to Etcd", zap.String("kv root", Params.EtcdCfg.KvRootPath), zap.String("meta root", Params.EtcdCfg.MetaRootPath))
err := retry.Do(c.ctx, connectEtcdFn, retry.Attempts(300))
if err != nil {
return
}
log.Debug("RootCoord, Setting TSO and ID Allocator")
kv := tsoutil.NewTSOKVBase(c.etcdCli, Params.EtcdCfg.KvRootPath, "gid")
idAllocator := allocator.NewGlobalIDAllocator("idTimestamp", kv)
if initError = idAllocator.Initialize(); initError != nil {
return
}
c.IDAllocator = func(count uint32) (typeutil.UniqueID, typeutil.UniqueID, error) {
return idAllocator.Alloc(count)
}
c.IDAllocatorUpdate = func() error {
return idAllocator.UpdateID()
}
kv = tsoutil.NewTSOKVBase(c.etcdCli, Params.EtcdCfg.KvRootPath, "tso")
tsoAllocator := tso.NewGlobalTSOAllocator("timestamp", kv)
if initError = tsoAllocator.Initialize(); initError != nil {
return
}
c.TSOAllocator = func(count uint32) (typeutil.Timestamp, error) {
return tsoAllocator.Alloc(count)
}
c.TSOAllocatorUpdate = func() error {
return tsoAllocator.UpdateTSO()
}
c.TSOGetLastSavedTime = func() time.Time {
return tsoAllocator.GetLastSavedTime()
}
c.factory.Init(&Params)
chanMap := c.MetaTable.ListCollectionPhysicalChannels()
c.chanTimeTick = newTimeTickSync(c.ctx, c.session.ServerID, c.factory, chanMap)
c.chanTimeTick.addSession(c.session)
c.proxyClientManager = newProxyClientManager(c)
log.Debug("RootCoord, set proxy manager")
c.proxyManager = newProxyManager(
c.ctx,
c.etcdCli,
c.chanTimeTick.initSessions,
c.proxyClientManager.GetProxyClients,
)
c.proxyManager.AddSessionFunc(c.chanTimeTick.addSession, c.proxyClientManager.AddProxyClient)
c.proxyManager.DelSessionFunc(c.chanTimeTick.delSession, c.proxyClientManager.DelProxyClient)
c.metricsCacheManager = metricsinfo.NewMetricsCacheManager()
initError = c.setMsgStreams()
if initError != nil {
return
}
c.importManager = newImportManager(
c.ctx,
c.impTaskKv,
c.IDAllocator,
c.CallImportService,
)
c.importManager.init(c.ctx)
// init data
initError = c.initData()
if initError != nil {
return
}
})
if initError != nil {
log.Debug("RootCoord init error", zap.Error(initError))
}
log.Debug("RootCoord init done")
return initError
}
func (c *Core) initData() error {
credInfo, _ := c.MetaTable.getCredential(util.UserRoot)
if credInfo == nil {
log.Debug("RootCoord init user root")
encryptedRootPassword, _ := crypto.PasswordEncrypt(util.DefaultRootPassword)
err := c.MetaTable.AddCredential(&internalpb.CredentialInfo{Username: util.UserRoot, EncryptedPassword: encryptedRootPassword})
return err
}
return nil
}
func (c *Core) reSendDdMsg(ctx context.Context, force bool) error {
if !force {
flag, err := c.MetaTable.txn.Load(DDMsgSendPrefix)
if err != nil {
// TODO, this is super ugly hack but our kv interface does not support loadWithExist
// leave it for later
if strings.Contains(err.Error(), "there is no value on key") {
log.Debug("skip reSendDdMsg with no dd-msg-send key")
return nil
}
return err
}
value, err := strconv.ParseBool(flag)
if err != nil {
return err
}
if value {
log.Debug("skip reSendDdMsg with dd-msg-send set to true")
return nil
}
}
ddOpStr, err := c.MetaTable.txn.Load(DDOperationPrefix)
if err != nil {
log.Debug("DdOperation key does not exist")
return nil
}
var ddOp DdOperation
if err = json.Unmarshal([]byte(ddOpStr), &ddOp); err != nil {
return err
}
invalidateCache := false
var ts typeutil.Timestamp
var collName string
switch ddOp.Type {
// TODO remove create collection resend
// since create collection needs a start position to succeed
case CreateCollectionDDType:
var ddReq = internalpb.CreateCollectionRequest{}
if err = proto.Unmarshal(ddOp.Body, &ddReq); err != nil {
return err
}
if _, err := c.MetaTable.GetCollectionByName(ddReq.CollectionName, 0); err != nil {
if _, err = c.SendDdCreateCollectionReq(ctx, &ddReq, ddReq.PhysicalChannelNames); err != nil {
return err
}
} else {
log.Debug("collection has been created, skip re-send CreateCollection",
zap.String("collection name", collName))
}
case DropCollectionDDType:
var ddReq = internalpb.DropCollectionRequest{}
if err = proto.Unmarshal(ddOp.Body, &ddReq); err != nil {
return err
}
ts = ddReq.Base.Timestamp
collName = ddReq.CollectionName
if collInfo, err := c.MetaTable.GetCollectionByName(ddReq.CollectionName, 0); err == nil {
if err = c.SendDdDropCollectionReq(ctx, &ddReq, collInfo.PhysicalChannelNames); err != nil {
return err
}
invalidateCache = true
} else {
log.Debug("collection has been removed, skip re-send DropCollection",
zap.String("collection name", collName))
}
case CreatePartitionDDType:
var ddReq = internalpb.CreatePartitionRequest{}
if err = proto.Unmarshal(ddOp.Body, &ddReq); err != nil {
return err
}
ts = ddReq.Base.Timestamp
collName = ddReq.CollectionName
collInfo, err := c.MetaTable.GetCollectionByName(ddReq.CollectionName, 0)
if err != nil {
return err
}
if _, err = c.MetaTable.GetPartitionByName(collInfo.ID, ddReq.PartitionName, 0); err != nil {
if err = c.SendDdCreatePartitionReq(ctx, &ddReq, collInfo.PhysicalChannelNames); err != nil {
return err
}
invalidateCache = true
} else {
log.Debug("partition has been created, skip re-send CreatePartition",
zap.String("collection name", collName), zap.String("partition name", ddReq.PartitionName))
}
case DropPartitionDDType:
var ddReq = internalpb.DropPartitionRequest{}
if err = proto.Unmarshal(ddOp.Body, &ddReq); err != nil {
return err
}
ts = ddReq.Base.Timestamp
collName = ddReq.CollectionName
collInfo, err := c.MetaTable.GetCollectionByName(ddReq.CollectionName, 0)
if err != nil {
return err
}
if _, err = c.MetaTable.GetPartitionByName(collInfo.ID, ddReq.PartitionName, 0); err == nil {
if err = c.SendDdDropPartitionReq(ctx, &ddReq, collInfo.PhysicalChannelNames); err != nil {
return err
}
invalidateCache = true
} else {
log.Debug("partition has been removed, skip re-send DropPartition",
zap.String("collection name", collName), zap.String("partition name", ddReq.PartitionName))
}
default:
return fmt.Errorf("invalid DdOperation %s", ddOp.Type)
}
if invalidateCache {
c.ExpireMetaCache(ctx, []string{collName}, ts)
}
// Update DDOperation in etcd
return c.MetaTable.txn.Save(DDMsgSendPrefix, strconv.FormatBool(true))
}
// Start starts RootCoord.
func (c *Core) Start() error {
if err := c.checkInit(); err != nil {
log.Debug("RootCoord Start checkInit failed", zap.Error(err))
return err
}
log.Debug(typeutil.RootCoordRole, zap.Int64("node id", c.session.ServerID))
c.startOnce.Do(func() {
if err := c.proxyManager.WatchProxy(); err != nil {
log.Fatal("RootCoord Start WatchProxy failed", zap.Error(err))
// you can not just stuck here,
panic(err)
}
if err := c.reSendDdMsg(c.ctx, false); err != nil {
log.Fatal("RootCoord Start reSendDdMsg failed", zap.Error(err))
panic(err)
}
c.wg.Add(5)
go c.startTimeTickLoop()
go c.tsLoop()
go c.chanTimeTick.startWatch(&c.wg)
go c.checkFlushedSegmentsLoop()
go c.importManager.expireOldTasksLoop(&c.wg)
Params.RootCoordCfg.CreatedTime = time.Now()
Params.RootCoordCfg.UpdatedTime = time.Now()
})
return nil
}
// Stop stops rootCoord.
func (c *Core) Stop() error {
c.UpdateStateCode(internalpb.StateCode_Abnormal)
c.cancel()
c.wg.Wait()
// wait at most one second to revoke
c.session.Revoke(time.Second)
return nil
}
// GetComponentStates get states of components
func (c *Core) GetComponentStates(ctx context.Context) (*internalpb.ComponentStates, error) {
code := c.stateCode.Load().(internalpb.StateCode)
log.Debug("GetComponentStates", zap.String("State Code", internalpb.StateCode_name[int32(code)]))
nodeID := common.NotRegisteredID
if c.session != nil && c.session.Registered() {
nodeID = c.session.ServerID
}
return &internalpb.ComponentStates{
State: &internalpb.ComponentInfo{
// NodeID: c.session.ServerID, // will race with Core.Register()
NodeID: nodeID,
Role: typeutil.RootCoordRole,
StateCode: code,
ExtraInfo: nil,
},
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
Reason: "",
},
SubcomponentStates: []*internalpb.ComponentInfo{
{
NodeID: nodeID,
Role: typeutil.RootCoordRole,
StateCode: code,
ExtraInfo: nil,
},
},
}, nil
}
// GetTimeTickChannel get timetick channel name
func (c *Core) GetTimeTickChannel(ctx context.Context) (*milvuspb.StringResponse, error) {
return &milvuspb.StringResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
Reason: "",
},
Value: Params.CommonCfg.RootCoordTimeTick,
}, nil
}
// GetStatisticsChannel get statistics channel name
func (c *Core) GetStatisticsChannel(ctx context.Context) (*milvuspb.StringResponse, error) {
return &milvuspb.StringResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
Reason: "",
},
Value: Params.CommonCfg.RootCoordStatistics,
}, nil
}
// CreateCollection create collection
func (c *Core) CreateCollection(ctx context.Context, in *milvuspb.CreateCollectionRequest) (*commonpb.Status, error) {
metrics.RootCoordCreateCollectionCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
tr := timerecord.NewTimeRecorder("CreateCollection")
log.Debug("CreateCollection", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID))
t := &CreateCollectionReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
}
err := executeTask(t)
if err != nil {
log.Error("CreateCollection failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "CreateCollection failed: "+err.Error()), nil
}
log.Debug("CreateCollection success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordCreateCollectionCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("CreateCollection").Observe(float64(tr.ElapseSpan().Milliseconds()))
metrics.RootCoordNumOfCollections.Inc()
return succStatus(), nil
}
// DropCollection drop collection
func (c *Core) DropCollection(ctx context.Context, in *milvuspb.DropCollectionRequest) (*commonpb.Status, error) {
metrics.RootCoordDropCollectionCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
tr := timerecord.NewTimeRecorder("DropCollection")
log.Debug("DropCollection", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID))
t := &DropCollectionReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
}
err := executeTask(t)
if err != nil {
log.Error("DropCollection failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "DropCollection failed: "+err.Error()), nil
}
log.Debug("DropCollection success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordDropCollectionCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("DropCollection").Observe(float64(tr.ElapseSpan().Milliseconds()))
metrics.RootCoordNumOfCollections.Dec()
return succStatus(), nil
}
// HasCollection check collection existence
func (c *Core) HasCollection(ctx context.Context, in *milvuspb.HasCollectionRequest) (*milvuspb.BoolResponse, error) {
metrics.RootCoordHasCollectionCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.BoolResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
Value: false,
}, nil
}
tr := timerecord.NewTimeRecorder("HasCollection")
log.Debug("HasCollection", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID))
t := &HasCollectionReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
HasCollection: false,
}
err := executeTask(t)
if err != nil {
log.Error("HasCollection failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &milvuspb.BoolResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "HasCollection failed: "+err.Error()),
Value: false,
}, nil
}
log.Debug("HasCollection success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID), zap.Bool("hasCollection", t.HasCollection))
metrics.RootCoordHasCollectionCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLReadTypeLatency.WithLabelValues("HasCollection").Observe(float64(tr.ElapseSpan().Milliseconds()))
return &milvuspb.BoolResponse{
Status: succStatus(),
Value: t.HasCollection,
}, nil
}
// DescribeCollection return collection info
func (c *Core) DescribeCollection(ctx context.Context, in *milvuspb.DescribeCollectionRequest) (*milvuspb.DescribeCollectionResponse, error) {
metrics.RootCoordDescribeCollectionCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.DescribeCollectionResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode"+internalpb.StateCode_name[int32(code)]),
}, nil
}
tr := timerecord.NewTimeRecorder("DescribeCollection")
log.Debug("DescribeCollection", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID))
t := &DescribeCollectionReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
Rsp: &milvuspb.DescribeCollectionResponse{},
}
err := executeTask(t)
if err != nil {
log.Error("DescribeCollection failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &milvuspb.DescribeCollectionResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "DescribeCollection failed: "+err.Error()),
}, nil
}
log.Debug("DescribeCollection success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordDescribeCollectionCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLReadTypeLatency.WithLabelValues("DescribeCollection").Observe(float64(tr.ElapseSpan().Milliseconds()))
t.Rsp.Status = succStatus()
return t.Rsp, nil
}
// ShowCollections list all collection names
func (c *Core) ShowCollections(ctx context.Context, in *milvuspb.ShowCollectionsRequest) (*milvuspb.ShowCollectionsResponse, error) {
metrics.RootCoordShowCollectionsCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.ShowCollectionsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
tr := timerecord.NewTimeRecorder("ShowCollections")
log.Debug("ShowCollections", zap.String("role", typeutil.RootCoordRole),
zap.String("dbname", in.DbName), zap.Int64("msgID", in.Base.MsgID))
t := &ShowCollectionReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
Rsp: &milvuspb.ShowCollectionsResponse{},
}
err := executeTask(t)
if err != nil {
log.Error("ShowCollections failed", zap.String("role", typeutil.RootCoordRole),
zap.String("dbname", in.DbName), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &milvuspb.ShowCollectionsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "ShowCollections failed: "+err.Error()),
}, nil
}
log.Debug("ShowCollections success", zap.String("role", typeutil.RootCoordRole),
zap.String("dbname", in.DbName), zap.Int("num of collections", len(t.Rsp.CollectionNames)),
zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordShowCollectionsCounter.WithLabelValues(metrics.SuccessLabel).Inc()
t.Rsp.Status = succStatus()
metrics.RootCoordDDLReadTypeLatency.WithLabelValues("ShowCollections").Observe(float64(tr.ElapseSpan().Milliseconds()))
return t.Rsp, nil
}
// CreatePartition create partition
func (c *Core) CreatePartition(ctx context.Context, in *milvuspb.CreatePartitionRequest) (*commonpb.Status, error) {
metrics.RootCoordCreatePartitionCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
tr := timerecord.NewTimeRecorder("CreatePartition")
log.Debug("CreatePartition", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("partition name", in.PartitionName),
zap.Int64("msgID", in.Base.MsgID))
t := &CreatePartitionReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
}
err := executeTask(t)
if err != nil {
log.Error("CreatePartition failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("partition name", in.PartitionName),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "CreatePartition failed: "+err.Error()), nil
}
log.Debug("CreatePartition success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("partition name", in.PartitionName),
zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordCreatePartitionCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("CreatePartition").Observe(float64(tr.ElapseSpan().Milliseconds()))
metrics.RootCoordNumOfPartitions.WithLabelValues().Inc()
return succStatus(), nil
}
// DropPartition drop partition
func (c *Core) DropPartition(ctx context.Context, in *milvuspb.DropPartitionRequest) (*commonpb.Status, error) {
metrics.RootCoordDropPartitionCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
tr := timerecord.NewTimeRecorder("DropPartition")
log.Debug("DropPartition", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("partition name", in.PartitionName),
zap.Int64("msgID", in.Base.MsgID))
t := &DropPartitionReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
}
err := executeTask(t)
if err != nil {
log.Error("DropPartition failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("partition name", in.PartitionName),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "DropPartition failed: "+err.Error()), nil
}
log.Debug("DropPartition success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("partition name", in.PartitionName),
zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordDropPartitionCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("DropPartition").Observe(float64(tr.ElapseSpan().Milliseconds()))
metrics.RootCoordNumOfPartitions.WithLabelValues().Dec()
return succStatus(), nil
}
// HasPartition check partition existence
func (c *Core) HasPartition(ctx context.Context, in *milvuspb.HasPartitionRequest) (*milvuspb.BoolResponse, error) {
metrics.RootCoordHasPartitionCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.BoolResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
Value: false,
}, nil
}
tr := timerecord.NewTimeRecorder("HasPartition")
log.Debug("HasPartition", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("partition name", in.PartitionName),
zap.Int64("msgID", in.Base.MsgID))
t := &HasPartitionReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
HasPartition: false,
}
err := executeTask(t)
if err != nil {
log.Error("HasPartition failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("partition name", in.PartitionName),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &milvuspb.BoolResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "HasPartition failed: "+err.Error()),
Value: false,
}, nil
}
log.Debug("HasPartition success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("partition name", in.PartitionName),
zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordHasPartitionCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLReadTypeLatency.WithLabelValues("HasPartition").Observe(float64(tr.ElapseSpan().Milliseconds()))
return &milvuspb.BoolResponse{
Status: succStatus(),
Value: t.HasPartition,
}, nil
}
// ShowPartitions list all partition names
func (c *Core) ShowPartitions(ctx context.Context, in *milvuspb.ShowPartitionsRequest) (*milvuspb.ShowPartitionsResponse, error) {
metrics.RootCoordShowPartitionsCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.ShowPartitionsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
tr := timerecord.NewTimeRecorder("ShowPartitions")
log.Debug("ShowPartitions", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID))
t := &ShowPartitionReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
Rsp: &milvuspb.ShowPartitionsResponse{},
}
err := executeTask(t)
if err != nil {
log.Error("ShowPartitions failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &milvuspb.ShowPartitionsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "ShowPartitions failed: "+err.Error()),
}, nil
}
log.Debug("ShowPartitions success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.Int("num of partitions", len(t.Rsp.PartitionNames)),
zap.Int64("msgID", t.Req.Base.MsgID))
metrics.RootCoordShowPartitionsCounter.WithLabelValues(metrics.SuccessLabel).Inc()
t.Rsp.Status = succStatus()
metrics.RootCoordDDLReadTypeLatency.WithLabelValues("ShowPartitions").Observe(float64(tr.ElapseSpan().Milliseconds()))
return t.Rsp, nil
}
// CreateIndex create index
func (c *Core) CreateIndex(ctx context.Context, in *milvuspb.CreateIndexRequest) (*commonpb.Status, error) {
metrics.RootCoordCreateIndexCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
tr := timerecord.NewTimeRecorder("CreateIndex")
log.Debug("CreateIndex", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("field name", in.FieldName),
zap.Int64("msgID", in.Base.MsgID))
t := &CreateIndexReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
}
err := executeTask(t)
if err != nil {
log.Error("CreateIndex failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("field name", in.FieldName),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "CreateIndex failed: "+err.Error()), nil
}
log.Debug("CreateIndex success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("field name", in.FieldName),
zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordCreateIndexCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("CreateIndex").Observe(float64(tr.ElapseSpan().Milliseconds()))
return succStatus(), nil
}
// DescribeIndex return index info
func (c *Core) DescribeIndex(ctx context.Context, in *milvuspb.DescribeIndexRequest) (*milvuspb.DescribeIndexResponse, error) {
metrics.RootCoordDescribeIndexCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.DescribeIndexResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
tr := timerecord.NewTimeRecorder("DescribeIndex")
log.Debug("DescribeIndex", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("field name", in.FieldName),
zap.Int64("msgID", in.Base.MsgID))
t := &DescribeIndexReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
Rsp: &milvuspb.DescribeIndexResponse{},
}
err := executeTask(t)
if err != nil {
log.Error("DescribeIndex failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("field name", in.FieldName),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &milvuspb.DescribeIndexResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "DescribeIndex failed: "+err.Error()),
}, nil
}
idxNames := make([]string, 0, len(t.Rsp.IndexDescriptions))
for _, i := range t.Rsp.IndexDescriptions {
idxNames = append(idxNames, i.IndexName)
}
log.Debug("DescribeIndex success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("field name", in.FieldName),
zap.Strings("index names", idxNames), zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordDescribeIndexCounter.WithLabelValues(metrics.SuccessLabel).Inc()
if len(t.Rsp.IndexDescriptions) == 0 {
t.Rsp.Status = failStatus(commonpb.ErrorCode_IndexNotExist, "index not exist")
} else {
t.Rsp.Status = succStatus()
}
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("DescribeIndex").Observe(float64(tr.ElapseSpan().Milliseconds()))
return t.Rsp, nil
}
// DropIndex drop index
func (c *Core) DropIndex(ctx context.Context, in *milvuspb.DropIndexRequest) (*commonpb.Status, error) {
metrics.RootCoordDropIndexCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
tr := timerecord.NewTimeRecorder("DropIndex")
log.Debug("DropIndex", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("field name", in.FieldName),
zap.String("index name", in.IndexName), zap.Int64("msgID", in.Base.MsgID))
t := &DropIndexReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
}
err := executeTask(t)
if err != nil {
log.Error("DropIndex failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("field name", in.FieldName),
zap.String("index name", in.IndexName), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "DropIndex failed: "+err.Error()), nil
}
log.Debug("DropIndex success", zap.String("role", typeutil.RootCoordRole),
zap.String("collection name", in.CollectionName), zap.String("field name", in.FieldName),
zap.String("index name", in.IndexName), zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordDropIndexCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("DropIndex").Observe(float64(tr.ElapseSpan().Milliseconds()))
return succStatus(), nil
}
// DescribeSegment return segment info
func (c *Core) DescribeSegment(ctx context.Context, in *milvuspb.DescribeSegmentRequest) (*milvuspb.DescribeSegmentResponse, error) {
metrics.RootCoordDescribeSegmentCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.DescribeSegmentResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
tr := timerecord.NewTimeRecorder("DescribeSegment")
log.Debug("DescribeSegment", zap.String("role", typeutil.RootCoordRole),
zap.Int64("collection id", in.CollectionID), zap.Int64("segment id", in.SegmentID),
zap.Int64("msgID", in.Base.MsgID))
t := &DescribeSegmentReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
Rsp: &milvuspb.DescribeSegmentResponse{},
}
err := executeTask(t)
if err != nil {
log.Error("DescribeSegment failed", zap.String("role", typeutil.RootCoordRole),
zap.Int64("collection id", in.CollectionID), zap.Int64("segment id", in.SegmentID),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &milvuspb.DescribeSegmentResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "DescribeSegment failed: "+err.Error()),
}, nil
}
log.Debug("DescribeSegment success", zap.String("role", typeutil.RootCoordRole),
zap.Int64("collection id", in.CollectionID), zap.Int64("segment id", in.SegmentID),
zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordDescribeSegmentCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLReadTypeLatency.WithLabelValues("DescribeSegment").Observe(float64(tr.ElapseSpan().Milliseconds()))
t.Rsp.Status = succStatus()
return t.Rsp, nil
}
func (c *Core) DescribeSegments(ctx context.Context, in *rootcoordpb.DescribeSegmentsRequest) (*rootcoordpb.DescribeSegmentsResponse, error) {
metrics.RootCoordDescribeSegmentsCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
log.Error("failed to describe segments, rootcoord not healthy",
zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.GetBase().GetMsgID()),
zap.Int64("collection", in.GetCollectionID()),
zap.Int64s("segments", in.GetSegmentIDs()))
return &rootcoordpb.DescribeSegmentsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
tr := timerecord.NewTimeRecorder("DescribeSegments")
log.Debug("received request to describe segments",
zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.GetBase().GetMsgID()),
zap.Int64("collection", in.GetCollectionID()),
zap.Int64s("segments", in.GetSegmentIDs()))
t := &DescribeSegmentsReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
Rsp: &rootcoordpb.DescribeSegmentsResponse{},
}
if err := executeTask(t); err != nil {
log.Error("failed to describe segments",
zap.Error(err),
zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.GetBase().GetMsgID()),
zap.Int64("collection", in.GetCollectionID()),
zap.Int64s("segments", in.GetSegmentIDs()))
return &rootcoordpb.DescribeSegmentsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "DescribeSegments failed: "+err.Error()),
}, nil
}
log.Debug("succeed to describe segments",
zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.GetBase().GetMsgID()),
zap.Int64("collection", in.GetCollectionID()),
zap.Int64s("segments", in.GetSegmentIDs()))
metrics.RootCoordDescribeSegmentsCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLReadTypeLatency.WithLabelValues("DescribeSegments").Observe(float64(tr.ElapseSpan().Milliseconds()))
t.Rsp.Status = succStatus()
return t.Rsp, nil
}
// ShowSegments list all segments
func (c *Core) ShowSegments(ctx context.Context, in *milvuspb.ShowSegmentsRequest) (*milvuspb.ShowSegmentsResponse, error) {
metrics.RootCoordShowSegmentsCounter.WithLabelValues(metrics.TotalLabel).Inc()
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.ShowSegmentsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
tr := timerecord.NewTimeRecorder("ShowSegments")
log.Debug("ShowSegments", zap.String("role", typeutil.RootCoordRole),
zap.Int64("collection id", in.CollectionID), zap.Int64("partition id", in.PartitionID),
zap.Int64("msgID", in.Base.MsgID))
t := &ShowSegmentReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
Rsp: &milvuspb.ShowSegmentsResponse{},
}
err := executeTask(t)
if err != nil {
log.Debug("ShowSegments failed", zap.String("role", typeutil.RootCoordRole),
zap.Int64("collection id", in.CollectionID), zap.Int64("partition id", in.PartitionID),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &milvuspb.ShowSegmentsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "ShowSegments failed: "+err.Error()),
}, nil
}
log.Debug("ShowSegments success", zap.String("role", typeutil.RootCoordRole),
zap.Int64("collection id", in.CollectionID), zap.Int64("partition id", in.PartitionID),
zap.Int64s("segments ids", t.Rsp.SegmentIDs),
zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordShowSegmentsCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordDDLReadTypeLatency.WithLabelValues("ShowSegments").Observe(float64(tr.ElapseSpan().Milliseconds()))
t.Rsp.Status = succStatus()
return t.Rsp, nil
}
// AllocTimestamp alloc timestamp
func (c *Core) AllocTimestamp(ctx context.Context, in *rootcoordpb.AllocTimestampRequest) (*rootcoordpb.AllocTimestampResponse, error) {
if code, ok := c.checkHealthy(); !ok {
return &rootcoordpb.AllocTimestampResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
ts, err := c.TSOAllocator(in.Count)
if err != nil {
log.Error("AllocTimestamp failed", zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &rootcoordpb.AllocTimestampResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "AllocTimestamp failed: "+err.Error()),
}, nil
}
//return first available time stamp
ts = ts - uint64(in.Count) + 1
metrics.RootCoordTimestampAllocCounter.Set(float64(ts))
return &rootcoordpb.AllocTimestampResponse{
Status: succStatus(),
Timestamp: ts,
Count: in.Count,
}, nil
}
// AllocID alloc ids
func (c *Core) AllocID(ctx context.Context, in *rootcoordpb.AllocIDRequest) (*rootcoordpb.AllocIDResponse, error) {
if code, ok := c.checkHealthy(); !ok {
return &rootcoordpb.AllocIDResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
start, _, err := c.IDAllocator(in.Count)
if err != nil {
log.Error("AllocID failed", zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &rootcoordpb.AllocIDResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "AllocID failed: "+err.Error()),
Count: in.Count,
}, nil
}
metrics.RootCoordIDAllocCounter.Add(float64(in.Count))
return &rootcoordpb.AllocIDResponse{
Status: succStatus(),
ID: start,
Count: in.Count,
}, nil
}
// UpdateChannelTimeTick used to handle ChannelTimeTickMsg
func (c *Core) UpdateChannelTimeTick(ctx context.Context, in *internalpb.ChannelTimeTickMsg) (*commonpb.Status, error) {
if code, ok := c.checkHealthy(); !ok {
log.Warn("failed to updateTimeTick because rootcoord is not healthy", zap.Any("state", code))
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
if in.Base.MsgType != commonpb.MsgType_TimeTick {
log.Warn("failed to updateTimeTick because base messasge is not timetick, state", zap.Any("base message type", in.Base.MsgType))
msgTypeName := commonpb.MsgType_name[int32(in.Base.GetMsgType())]
return failStatus(commonpb.ErrorCode_UnexpectedError, "invalid message type "+msgTypeName), nil
}
err := c.chanTimeTick.updateTimeTick(in, "gRPC")
if err != nil {
log.Warn("failed to updateTimeTick", zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "UpdateTimeTick failed: "+err.Error()), nil
}
return succStatus(), nil
}
// ReleaseDQLMessageStream release DQL msgstream
func (c *Core) ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
return c.proxyClientManager.ReleaseDQLMessageStream(ctx, in)
}
// SegmentFlushCompleted check whether segment flush has completed
func (c *Core) SegmentFlushCompleted(ctx context.Context, in *datapb.SegmentFlushCompletedMsg) (*commonpb.Status, error) {
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
if in.Base.MsgType != commonpb.MsgType_SegmentFlushDone {
return failStatus(commonpb.ErrorCode_UnexpectedError, "invalid msg type "+commonpb.MsgType_name[int32(in.Base.MsgType)]), nil
}
segID := in.Segment.GetID()
log.Debug("SegmentFlushCompleted", zap.String("role", typeutil.RootCoordRole),
zap.Int64("collection id", in.Segment.CollectionID), zap.Int64("partition id", in.Segment.PartitionID),
zap.Int64("segment id", segID), zap.Int64("msgID", in.Base.MsgID))
coll, err := c.MetaTable.GetCollectionByID(in.Segment.CollectionID, 0)
if err != nil {
log.Error("GetCollectionByID failed", zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "GetCollectionByID failed: "+err.Error()), nil
}
if len(coll.FieldIndexes) == 0 {
log.Debug("no index params on collection", zap.String("role", typeutil.RootCoordRole),
zap.String("collection_name", coll.Schema.Name), zap.Int64("msgID", in.Base.MsgID))
}
for _, f := range coll.FieldIndexes {
fieldSch, err := GetFieldSchemaByID(coll, f.FiledID)
if err != nil {
log.Warn("field schema not found", zap.String("role", typeutil.RootCoordRole),
zap.String("collection_name", coll.Schema.Name), zap.Int64("field id", f.FiledID),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
continue
}
idxInfo, err := c.MetaTable.GetIndexByID(f.IndexID)
if err != nil {
log.Warn("index not found", zap.String("role", typeutil.RootCoordRole),
zap.String("collection_name", coll.Schema.Name), zap.Int64("field id", f.FiledID),
zap.Int64("index id", f.IndexID), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
continue
}
info := etcdpb.SegmentIndexInfo{
CollectionID: in.Segment.CollectionID,
PartitionID: in.Segment.PartitionID,
SegmentID: segID,
FieldID: fieldSch.FieldID,
IndexID: idxInfo.IndexID,
EnableIndex: false,
}
info.BuildID, err = c.BuildIndex(ctx, segID, fieldSch, idxInfo, true)
if err == nil && info.BuildID != 0 {
info.EnableIndex = true
} else {
log.Error("BuildIndex failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection_name", coll.Schema.Name), zap.Int64("field id", f.FiledID),
zap.Int64("index id", f.IndexID), zap.Int64("build id", info.BuildID),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
continue
}
err = c.MetaTable.AddIndex(&info)
if err != nil {
log.Error("AddIndex failed", zap.String("role", typeutil.RootCoordRole),
zap.String("collection_name", coll.Schema.Name), zap.Int64("field id", f.FiledID),
zap.Int64("index id", f.IndexID), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
continue
}
}
log.Debug("SegmentFlushCompleted success", zap.String("role", typeutil.RootCoordRole),
zap.Int64("collection id", in.Segment.CollectionID), zap.Int64("partition id", in.Segment.PartitionID),
zap.Int64("segment id", segID), zap.Int64("msgID", in.Base.MsgID))
return succStatus(), nil
}
// GetMetrics get metrics
func (c *Core) GetMetrics(ctx context.Context, in *milvuspb.GetMetricsRequest) (*milvuspb.GetMetricsResponse, error) {
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.GetMetricsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
Response: "",
}, nil
}
metricType, err := metricsinfo.ParseMetricType(in.Request)
if err != nil {
log.Error("ParseMetricType failed", zap.String("role", typeutil.RootCoordRole),
zap.Int64("node_id", c.session.ServerID), zap.String("req", in.Request), zap.Error(err))
return &milvuspb.GetMetricsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "ParseMetricType failed: "+err.Error()),
Response: "",
}, nil
}
log.Debug("GetMetrics success", zap.String("role", typeutil.RootCoordRole),
zap.String("metric_type", metricType), zap.Int64("msgID", in.Base.MsgID))
if metricType == metricsinfo.SystemInfoMetrics {
ret, err := c.metricsCacheManager.GetSystemInfoMetrics()
if err == nil && ret != nil {
return ret, nil
}
log.Warn("GetSystemInfoMetrics from cache failed", zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
systemInfoMetrics, err := c.getSystemInfoMetrics(ctx, in)
if err != nil {
log.Error("GetSystemInfoMetrics failed", zap.String("role", typeutil.RootCoordRole),
zap.String("metric_type", metricType), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return nil, err
}
c.metricsCacheManager.UpdateSystemInfoMetrics(systemInfoMetrics)
return systemInfoMetrics, err
}
log.Error("GetMetrics failed, metric type not implemented", zap.String("role", typeutil.RootCoordRole),
zap.String("metric_type", metricType), zap.Int64("msgID", in.Base.MsgID))
return &milvuspb.GetMetricsResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, metricsinfo.MsgUnimplementedMetric),
Response: "",
}, nil
}
// CreateAlias create collection alias
func (c *Core) CreateAlias(ctx context.Context, in *milvuspb.CreateAliasRequest) (*commonpb.Status, error) {
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
tr := timerecord.NewTimeRecorder("CreateAlias")
log.Debug("CreateAlias", zap.String("role", typeutil.RootCoordRole),
zap.String("alias", in.Alias), zap.String("collection name", in.CollectionName),
zap.Int64("msgID", in.Base.MsgID))
t := &CreateAliasReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
}
err := executeTask(t)
if err != nil {
log.Error("CreateAlias failed", zap.String("role", typeutil.RootCoordRole),
zap.String("alias", in.Alias), zap.String("collection name", in.CollectionName),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "CreateAlias failed: "+err.Error()), nil
}
log.Debug("CreateAlias success", zap.String("role", typeutil.RootCoordRole),
zap.String("alias", in.Alias), zap.String("collection name", in.CollectionName),
zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("CreateAlias").Observe(float64(tr.ElapseSpan().Milliseconds()))
return succStatus(), nil
}
// DropAlias drop collection alias
func (c *Core) DropAlias(ctx context.Context, in *milvuspb.DropAliasRequest) (*commonpb.Status, error) {
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
tr := timerecord.NewTimeRecorder("DropAlias")
log.Debug("DropAlias", zap.String("role", typeutil.RootCoordRole),
zap.String("alias", in.Alias), zap.Int64("msgID", in.Base.MsgID))
t := &DropAliasReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
}
err := executeTask(t)
if err != nil {
log.Error("DropAlias failed", zap.String("role", typeutil.RootCoordRole),
zap.String("alias", in.Alias), zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "DropAlias failed: "+err.Error()), nil
}
log.Debug("DropAlias success", zap.String("role", typeutil.RootCoordRole),
zap.String("alias", in.Alias), zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("DropAlias").Observe(float64(tr.ElapseSpan().Milliseconds()))
return succStatus(), nil
}
// AlterAlias alter collection alias
func (c *Core) AlterAlias(ctx context.Context, in *milvuspb.AlterAliasRequest) (*commonpb.Status, error) {
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
tr := timerecord.NewTimeRecorder("AlterAlias")
log.Debug("AlterAlias", zap.String("role", typeutil.RootCoordRole),
zap.String("alias", in.Alias), zap.String("collection name", in.CollectionName),
zap.Int64("msgID", in.Base.MsgID))
t := &AlterAliasReqTask{
baseReqTask: baseReqTask{
ctx: ctx,
core: c,
},
Req: in,
}
err := executeTask(t)
if err != nil {
log.Error("AlterAlias failed", zap.String("role", typeutil.RootCoordRole),
zap.String("alias", in.Alias), zap.String("collection name", in.CollectionName),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return failStatus(commonpb.ErrorCode_UnexpectedError, "AlterAlias failed: "+err.Error()), nil
}
log.Debug("AlterAlias success", zap.String("role", typeutil.RootCoordRole),
zap.String("alias", in.Alias), zap.String("collection name", in.CollectionName),
zap.Int64("msgID", in.Base.MsgID))
metrics.RootCoordDDLWriteTypeLatency.WithLabelValues("AlterAlias").Observe(float64(tr.ElapseSpan().Milliseconds()))
return succStatus(), nil
}
// Import imports large files (json, numpy, etc.) on MinIO/S3 storage into Milvus storage.
func (c *Core) Import(ctx context.Context, req *milvuspb.ImportRequest) (*milvuspb.ImportResponse, error) {
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.ImportResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
// Get collection/partition ID from collection/partition name.
var cID int64
var ok bool
if cID, ok = c.MetaTable.collName2ID[req.GetCollectionName()]; !ok {
log.Error("failed to find collection ID for collection name",
zap.String("collection name", req.GetCollectionName()))
return nil, fmt.Errorf("collection ID not found for collection name %s", req.GetCollectionName())
}
var pID int64
var err error
if pID, err = c.MetaTable.getPartitionByName(cID, req.GetPartitionName(), 0); err != nil {
return nil, err
}
log.Info("receive import request",
zap.String("collection name", req.GetCollectionName()),
zap.Int64("collection ID", cID),
zap.String("partition name", req.GetPartitionName()),
zap.Int64("partition ID", pID),
zap.Int("# of files = ", len(req.GetFiles())),
zap.Bool("row-based", req.GetRowBased()),
)
resp := c.importManager.importJob(ctx, req, cID, pID)
return resp, nil
}
// GetImportState returns the current state of an import task.
func (c *Core) GetImportState(ctx context.Context, req *milvuspb.GetImportStateRequest) (*milvuspb.GetImportStateResponse, error) {
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.GetImportStateResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
return c.importManager.getTaskState(req.GetTask()), nil
}
// ListImportTasks returns id array of all import tasks.
func (c *Core) ListImportTasks(ctx context.Context, req *milvuspb.ListImportTasksRequest) (*milvuspb.ListImportTasksResponse, error) {
if code, ok := c.checkHealthy(); !ok {
return &milvuspb.ListImportTasksResponse{
Status: failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]),
}, nil
}
resp := &milvuspb.ListImportTasksResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
Tasks: c.importManager.listAllTasks(),
}
return resp, nil
}
// ReportImport reports import task state to RootCoord.
func (c *Core) ReportImport(ctx context.Context, ir *rootcoordpb.ImportResult) (*commonpb.Status, error) {
log.Info("receive import state report",
zap.Int64("task ID", ir.GetTaskId()),
zap.Any("import state", ir.GetState()))
if code, ok := c.checkHealthy(); !ok {
return failStatus(commonpb.ErrorCode_UnexpectedError, "StateCode="+internalpb.StateCode_name[int32(code)]), nil
}
// Upon receiving ReportImport request, update the related task's state in task store.
ti, err := c.importManager.updateTaskState(ir)
if err != nil {
return &commonpb.Status{
ErrorCode: commonpb.ErrorCode_UpdateImportTaskFailure,
Reason: err.Error(),
}, nil
}
// That's all for reporting, if task hasn't reached persisted or completed status yet.
if ti.GetState().GetStateCode() != commonpb.ImportState_ImportPersisted &&
ti.GetState().GetStateCode() != commonpb.ImportState_ImportCompleted {
log.Debug("transitional import state received, return immediately", zap.Any("import result", ir))
return &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
}, nil
}
// Reverse look up collection name on collection ID.
var colName string
for k, v := range c.MetaTable.collName2ID {
if v == ti.GetCollectionId() {
colName = k
}
}
if colName == "" {
log.Error("Collection name not found for collection ID", zap.Int64("collection ID", ti.GetCollectionId()))
return &commonpb.Status{
ErrorCode: commonpb.ErrorCode_CollectionNameNotFound,
Reason: "Collection name not found for collection ID" + strconv.FormatInt(ti.GetCollectionId(), 10),
}, nil
}
// When DataNode has done its thing, remove it from the busy node list.
func() {
c.importManager.busyNodesLock.Lock()
defer c.importManager.busyNodesLock.Unlock()
delete(c.importManager.busyNodes, ir.GetDatanodeId())
log.Info("dataNode is no longer busy",
zap.Int64("dataNode ID", ir.GetDatanodeId()),
zap.Int64("task ID", ir.GetTaskId()))
}()
// TODO: Resurrect index check when ready.
c.CallFlushOnCollection(ctx, ti.GetCollectionId(), ir.GetSegments())
return &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
}, nil
}
// CountCompleteIndex checks indexing status of the given segments, and returns the # of segments that has complete index.
func (c *Core) CountCompleteIndex(ctx context.Context, collectionName string, collectionID UniqueID,
allSegmentIDs []UniqueID) (int, error) {
// Note: Index name is always Params.CommonCfg.DefaultIndexName in current Milvus design as of today.
indexName := Params.CommonCfg.DefaultIndexName
// Retrieve index status and detailed index information.
describeIndexReq := &milvuspb.DescribeIndexRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_DescribeIndex,
},
CollectionName: collectionName,
IndexName: indexName,
}
indexDescriptionResp, err := c.DescribeIndex(ctx, describeIndexReq)
if err != nil {
return 0, err
}
log.Debug("got index description", zap.String("index_description", indexDescriptionResp.String()))
// Check if the target index name exists.
matchIndexID := int64(-1)
foundIndexID := false
for _, desc := range indexDescriptionResp.IndexDescriptions {
if desc.IndexName == indexName {
matchIndexID = desc.IndexID
foundIndexID = true
break
}
}
if !foundIndexID {
return 0, fmt.Errorf("no index is created")
}
log.Debug("found match index ID", zap.Int64("match index ID", matchIndexID))
getIndexStatesRequest := &indexpb.GetIndexStatesRequest{
IndexBuildIDs: make([]UniqueID, 0),
}
// Fetch index build IDs from segments.
for _, segmentID := range allSegmentIDs {
describeSegmentRequest := &milvuspb.DescribeSegmentRequest{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_DescribeSegment,
},
CollectionID: collectionID,
SegmentID: segmentID,
}
segmentDesc, err := c.DescribeSegment(ctx, describeSegmentRequest)
if err != nil {
log.Error("Failed to describe segment",
zap.Int64("collection ID", collectionID),
zap.Int64("segment ID", segmentID))
return 0, err
}
if segmentDesc.IndexID == matchIndexID {
if segmentDesc.EnableIndex {
getIndexStatesRequest.IndexBuildIDs = append(getIndexStatesRequest.IndexBuildIDs, segmentDesc.BuildID)
}
}
}
log.Debug("proxy GetIndexState", zap.Int("# of IndexBuildIDs", len(getIndexStatesRequest.IndexBuildIDs)), zap.Error(err))
if len(getIndexStatesRequest.IndexBuildIDs) == 0 {
log.Info("empty index build IDs returned",
zap.String("collection name", collectionName),
zap.Int64("collection ID", collectionID))
return 0, nil
}
states, err := c.CallGetIndexStatesService(ctx, getIndexStatesRequest.IndexBuildIDs)
if err != nil {
log.Error("failed to get index state in checkSegmentIndexStates", zap.Error(err))
return 0, err
}
// Count the # of segments with finished index.
ct := 0
for _, s := range states {
if s.State == commonpb.IndexState_Finished {
ct++
}
}
log.Info("segment indexing state checked",
zap.Int("# of checked segment", len(states)),
zap.Int("# of segments with complete index", ct),
zap.String("collection name", collectionName),
zap.Int64("collection ID", collectionID),
)
return ct, nil
}
// checkCompleteIndexLoop checks index build states for an import task's segments and bring these segments online when
// the criteria are met. checkCompleteIndexLoop does the check every CheckCompleteIndexInterval and exits if:
// (1) a certain percent of indices are built, (2) when context is done or (3) when `ImportIndexWaitLimit` has passed.
func (c *Core) checkCompleteIndexLoop(ctx context.Context, ti *datapb.ImportTaskInfo, colName string, segIDs []UniqueID) {
defer c.wg.Done()
ticker := time.NewTicker(time.Duration(Params.RootCoordCfg.ImportIndexCheckInterval*1000) * time.Millisecond)
defer ticker.Stop()
expireTicker := time.NewTicker(time.Duration(Params.RootCoordCfg.ImportIndexWaitLimit*1000) * time.Millisecond)
defer expireTicker.Stop()
for {
select {
case <-c.ctx.Done():
log.Info("(in check complete index loop) context done, exiting checkCompleteIndexLoop",
zap.Int64("task ID", ti.GetId()))
return
case <-ticker.C:
log.Info("(in check complete index loop) check segments' index states", zap.Int64("task ID", ti.GetId()))
if ct, err := c.CountCompleteIndex(ctx, colName, ti.GetCollectionId(), segIDs); err == nil &&
segmentsOnlineReady(ct, len(segIDs)) {
log.Info("segment indices are ready",
zap.Int64("task ID", ti.GetId()),
zap.Int("total # of segments", len(segIDs)),
zap.Int("# of segments with index ready", ct))
c.bringSegmentsOnline(ctx, segIDs)
return
}
case <-expireTicker.C:
log.Info("(in check complete index loop) waited for sufficiently long time, bring segments online",
zap.Int64("task ID", ti.GetId()))
c.bringSegmentsOnline(ctx, segIDs)
return
}
}
}
// bringSegmentsOnline brings the segments online so that data in these segments become searchable
// it is done by changing segments' states from `importing` to `flushed`.
func (c *Core) bringSegmentsOnline(ctx context.Context, segIDs []UniqueID) {
log.Info("bringing import task's segments online!", zap.Any("segment IDs", segIDs))
// TODO: Make update on segment states atomic.
for _, id := range segIDs {
// Explicitly mark segment states `flushing`.
c.CallUpdateSegmentStateService(ctx, id, commonpb.SegmentState_Flushing)
}
}
// segmentsOnlineReady returns true if segments are ready to go up online (a.k.a. become searchable).
func segmentsOnlineReady(idxBuilt, segCount int) bool {
// Consider segments are ready when:
// (1) all but up to 2 segments have indices ready, or
// (2) over 85% of segments have indices ready.
if segCount-idxBuilt <= 2 || float64(idxBuilt)/float64(segCount) > 0.85 {
return true
}
return false
}
// ExpireCredCache will call invalidate credential cache
func (c *Core) ExpireCredCache(ctx context.Context, username string) error {
req := proxypb.InvalidateCredCacheRequest{
Base: &commonpb.MsgBase{
MsgType: 0, //TODO, msg type
MsgID: 0, //TODO, msg id
SourceID: c.session.ServerID,
},
Username: username,
}
return c.proxyClientManager.InvalidateCredentialCache(ctx, &req)
}
// UpdateCredCache will call update credential cache
func (c *Core) UpdateCredCache(ctx context.Context, credInfo *internalpb.CredentialInfo) error {
req := proxypb.UpdateCredCacheRequest{
Base: &commonpb.MsgBase{
MsgType: 0, //TODO, msg type
MsgID: 0, //TODO, msg id
SourceID: c.session.ServerID,
},
Username: credInfo.Username,
Password: credInfo.EncryptedPassword,
}
return c.proxyClientManager.UpdateCredentialCache(ctx, &req)
}
// ClearCredUsersCache will call clear credential usernames cache
func (c *Core) ClearCredUsersCache(ctx context.Context) error {
req := internalpb.ClearCredUsersCacheRequest{}
return c.proxyClientManager.ClearCredUsersCache(ctx, &req)
}
// CreateCredential create new user and password
// 1. decode ciphertext password to raw password
// 2. encrypt raw password
// 3. save in to etcd
func (c *Core) CreateCredential(ctx context.Context, credInfo *internalpb.CredentialInfo) (*commonpb.Status, error) {
metrics.RootCoordCreateCredentialCounter.WithLabelValues(metrics.TotalLabel).Inc()
tr := timerecord.NewTimeRecorder("CreateCredential")
log.Debug("CreateCredential", zap.String("role", typeutil.RootCoordRole),
zap.String("username", credInfo.Username))
if cred, _ := c.MetaTable.getCredential(credInfo.Username); cred != nil {
return failStatus(commonpb.ErrorCode_CreateCredentialFailure, "user already exists:"+credInfo.Username), nil
}
// update proxy's local cache
err := c.ClearCredUsersCache(ctx)
if err != nil {
log.Error("CreateCredential clear credential username list cache failed", zap.String("role", typeutil.RootCoordRole),
zap.String("username", credInfo.Username), zap.Error(err))
metrics.RootCoordCreateCredentialCounter.WithLabelValues(metrics.FailLabel).Inc()
return failStatus(commonpb.ErrorCode_CreateCredentialFailure, "CreateCredential failed: "+err.Error()), nil
}
// insert to db
err = c.MetaTable.AddCredential(credInfo)
if err != nil {
log.Error("CreateCredential save credential failed", zap.String("role", typeutil.RootCoordRole),
zap.String("username", credInfo.Username), zap.Error(err))
metrics.RootCoordCreateCredentialCounter.WithLabelValues(metrics.FailLabel).Inc()
return failStatus(commonpb.ErrorCode_CreateCredentialFailure, "CreateCredential failed: "+err.Error()), nil
}
log.Debug("CreateCredential success", zap.String("role", typeutil.RootCoordRole),
zap.String("username", credInfo.Username))
metrics.RootCoordCreateCredentialCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordCredentialWriteTypeLatency.WithLabelValues("CreateCredential").Observe(float64(tr.ElapseSpan().Milliseconds()))
metrics.RootCoordNumOfCredentials.Inc()
return succStatus(), nil
}
// GetCredential get credential by username
func (c *Core) GetCredential(ctx context.Context, in *rootcoordpb.GetCredentialRequest) (*rootcoordpb.GetCredentialResponse, error) {
metrics.RootCoordGetCredentialCounter.WithLabelValues(metrics.TotalLabel).Inc()
tr := timerecord.NewTimeRecorder("GetCredential")
log.Debug("GetCredential", zap.String("role", typeutil.RootCoordRole),
zap.String("username", in.Username))
credInfo, err := c.MetaTable.getCredential(in.Username)
if err != nil {
log.Error("GetCredential query credential failed", zap.String("role", typeutil.RootCoordRole),
zap.String("username", in.Username), zap.Error(err))
metrics.RootCoordGetCredentialCounter.WithLabelValues(metrics.FailLabel).Inc()
return &rootcoordpb.GetCredentialResponse{
Status: failStatus(commonpb.ErrorCode_GetCredentialFailure, "GetCredential failed: "+err.Error()),
}, err
}
log.Debug("GetCredential success", zap.String("role", typeutil.RootCoordRole),
zap.String("username", in.Username))
metrics.RootCoordGetCredentialCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordCredentialReadTypeLatency.WithLabelValues("GetCredential", in.Username).Observe(float64(tr.ElapseSpan().Milliseconds()))
return &rootcoordpb.GetCredentialResponse{
Status: succStatus(),
Username: credInfo.Username,
Password: credInfo.EncryptedPassword,
}, nil
}
// UpdateCredential update password for a user
func (c *Core) UpdateCredential(ctx context.Context, credInfo *internalpb.CredentialInfo) (*commonpb.Status, error) {
metrics.RootCoordUpdateCredentialCounter.WithLabelValues(metrics.TotalLabel).Inc()
tr := timerecord.NewTimeRecorder("UpdateCredential")
log.Debug("UpdateCredential", zap.String("role", typeutil.RootCoordRole),
zap.String("username", credInfo.Username))
// update proxy's local cache
err := c.UpdateCredCache(ctx, credInfo)
if err != nil {
log.Error("UpdateCredential update credential cache failed", zap.String("role", typeutil.RootCoordRole),
zap.String("username", credInfo.Username), zap.Error(err))
metrics.RootCoordUpdateCredentialCounter.WithLabelValues(metrics.FailLabel).Inc()
return failStatus(commonpb.ErrorCode_UpdateCredentialFailure, "UpdateCredential failed: "+err.Error()), nil
}
// update data on storage
err = c.MetaTable.AddCredential(credInfo)
if err != nil {
log.Error("UpdateCredential save credential failed", zap.String("role", typeutil.RootCoordRole),
zap.String("username", credInfo.Username), zap.Error(err))
metrics.RootCoordUpdateCredentialCounter.WithLabelValues(metrics.FailLabel).Inc()
return failStatus(commonpb.ErrorCode_UpdateCredentialFailure, "UpdateCredential failed: "+err.Error()), nil
}
log.Debug("UpdateCredential success", zap.String("role", typeutil.RootCoordRole),
zap.String("username", credInfo.Username))
metrics.RootCoordUpdateCredentialCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordCredentialWriteTypeLatency.WithLabelValues("UpdateCredential").Observe(float64(tr.ElapseSpan().Milliseconds()))
return succStatus(), nil
}
// DeleteCredential delete a user
func (c *Core) DeleteCredential(ctx context.Context, in *milvuspb.DeleteCredentialRequest) (*commonpb.Status, error) {
metrics.RootCoordDeleteCredentialCounter.WithLabelValues(metrics.TotalLabel).Inc()
tr := timerecord.NewTimeRecorder("DeleteCredential")
log.Debug("DeleteCredential", zap.String("role", typeutil.RootCoordRole),
zap.String("username", in.Username))
// invalidate proxy's local cache
err := c.ExpireCredCache(ctx, in.Username)
if err != nil {
log.Error("DeleteCredential expire credential cache failed", zap.String("role", typeutil.RootCoordRole),
zap.String("username", in.Username), zap.Error(err))
metrics.RootCoordDeleteCredentialCounter.WithLabelValues(metrics.FailLabel).Inc()
return failStatus(commonpb.ErrorCode_DeleteCredentialFailure, "DeleteCredential failed: "+err.Error()), nil
}
// delete data on storage
err = c.MetaTable.DeleteCredential(in.Username)
if err != nil {
log.Error("DeleteCredential remove credential failed", zap.String("role", typeutil.RootCoordRole),
zap.String("username", in.Username), zap.Error(err))
metrics.RootCoordDeleteCredentialCounter.WithLabelValues(metrics.FailLabel).Inc()
return failStatus(commonpb.ErrorCode_DeleteCredentialFailure, "DeleteCredential failed: "+err.Error()), err
}
log.Debug("DeleteCredential success", zap.String("role", typeutil.RootCoordRole),
zap.String("username", in.Username))
metrics.RootCoordDeleteCredentialCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordCredentialWriteTypeLatency.WithLabelValues("DeleteCredential").Observe(float64(tr.ElapseSpan().Milliseconds()))
metrics.RootCoordNumOfCredentials.Dec()
return succStatus(), nil
}
// ListCredUsers list all usernames
func (c *Core) ListCredUsers(ctx context.Context, in *milvuspb.ListCredUsersRequest) (*milvuspb.ListCredUsersResponse, error) {
metrics.RootCoordListCredUsersCounter.WithLabelValues(metrics.TotalLabel).Inc()
tr := timerecord.NewTimeRecorder("ListCredUsers")
credInfo, err := c.MetaTable.ListCredentialUsernames()
if err != nil {
log.Error("ListCredUsers query usernames failed", zap.String("role", typeutil.RootCoordRole),
zap.Int64("msgID", in.Base.MsgID), zap.Error(err))
return &milvuspb.ListCredUsersResponse{
Status: failStatus(commonpb.ErrorCode_ListCredUsersFailure, "ListCredUsers failed: "+err.Error()),
}, err
}
log.Debug("ListCredUsers success", zap.String("role", typeutil.RootCoordRole))
metrics.RootCoordListCredUsersCounter.WithLabelValues(metrics.SuccessLabel).Inc()
metrics.RootCoordCredentialReadTypeLatency.WithLabelValues("ListCredUsers", "ALL.API").Observe(float64(tr.ElapseSpan().Milliseconds()))
return &milvuspb.ListCredUsersResponse{
Status: succStatus(),
Usernames: credInfo.Usernames,
}, nil
}