mirror of
https://gitee.com/milvus-io/milvus.git
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859 lines
28 KiB
Go
859 lines
28 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package proxy
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import (
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"context"
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"fmt"
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"math/rand"
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"strconv"
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"sync"
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"time"
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"github.com/cockroachdb/errors"
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"github.com/samber/lo"
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"github.com/milvus-io/milvus/internal/querycoordv2/params"
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"github.com/milvus-io/milvus/pkg/util/commonpbutil"
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"github.com/milvus-io/milvus/pkg/util/funcutil"
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"github.com/milvus-io/milvus/pkg/util/merr"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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"go.uber.org/atomic"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus-proto/go-api/commonpb"
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"github.com/milvus-io/milvus-proto/go-api/milvuspb"
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"github.com/milvus-io/milvus-proto/go-api/schemapb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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"github.com/milvus-io/milvus/internal/proto/rootcoordpb"
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"github.com/milvus-io/milvus/internal/types"
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"github.com/milvus-io/milvus/pkg/common"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/metrics"
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"github.com/milvus-io/milvus/pkg/util"
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"github.com/milvus-io/milvus/pkg/util/retry"
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"github.com/milvus-io/milvus/pkg/util/timerecord"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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// Cache is the interface for system meta data cache
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type Cache interface {
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// GetCollectionID get collection's id by name.
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GetCollectionID(ctx context.Context, collectionName string) (typeutil.UniqueID, error)
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// GetCollectionName get collection's name by id
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GetCollectionName(ctx context.Context, collectionID int64) (string, error)
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// GetCollectionInfo get collection's information by name, such as collection id, schema, and etc.
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GetCollectionInfo(ctx context.Context, collectionName string) (*collectionInfo, error)
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// GetPartitionID get partition's identifier of specific collection.
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GetPartitionID(ctx context.Context, collectionName string, partitionName string) (typeutil.UniqueID, error)
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// GetPartitions get all partitions' id of specific collection.
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GetPartitions(ctx context.Context, collectionName string) (map[string]typeutil.UniqueID, error)
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// GetPartitionInfo get partition's info.
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GetPartitionInfo(ctx context.Context, collectionName string, partitionName string) (*partitionInfo, error)
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// GetCollectionSchema get collection's schema.
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GetCollectionSchema(ctx context.Context, collectionName string) (*schemapb.CollectionSchema, error)
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GetShards(ctx context.Context, withCache bool, collectionName string) (map[string][]nodeInfo, error)
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DeprecateShardCache(collectionName string)
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expireShardLeaderCache(ctx context.Context)
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RemoveCollection(ctx context.Context, collectionName string)
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RemoveCollectionsByID(ctx context.Context, collectionID UniqueID) []string
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RemovePartition(ctx context.Context, collectionName string, partitionName string)
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// GetCredentialInfo operate credential cache
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GetCredentialInfo(ctx context.Context, username string) (*internalpb.CredentialInfo, error)
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RemoveCredential(username string)
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UpdateCredential(credInfo *internalpb.CredentialInfo)
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GetPrivilegeInfo(ctx context.Context) []string
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GetUserRole(username string) []string
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RefreshPolicyInfo(op typeutil.CacheOp) error
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InitPolicyInfo(info []string, userRoles []string)
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}
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type collectionInfo struct {
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collID typeutil.UniqueID
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schema *schemapb.CollectionSchema
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partInfo map[string]*partitionInfo
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leaderMutex sync.RWMutex
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shardLeaders *shardLeaders
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createdTimestamp uint64
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createdUtcTimestamp uint64
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isLoaded bool
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}
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func (info *collectionInfo) isCollectionCached() bool {
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return info != nil && info.collID != UniqueID(0) && info.schema != nil
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}
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func (info *collectionInfo) deprecateLeaderCache() {
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info.leaderMutex.RLock()
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defer info.leaderMutex.RUnlock()
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if info.shardLeaders != nil {
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info.shardLeaders.deprecated.Store(true)
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}
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}
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// shardLeaders wraps shard leader mapping for iteration.
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type shardLeaders struct {
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idx *atomic.Int64
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deprecated *atomic.Bool
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shardLeaders map[string][]nodeInfo
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}
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type shardLeadersReader struct {
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leaders *shardLeaders
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idx int64
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}
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// Shuffle returns the shuffled shard leader list.
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func (it shardLeadersReader) Shuffle() map[string][]nodeInfo {
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result := make(map[string][]nodeInfo)
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rand.Seed(time.Now().UnixNano())
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for channel, leaders := range it.leaders.shardLeaders {
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l := len(leaders)
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// shuffle all replica at random order
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shuffled := make([]nodeInfo, l)
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for i, randIndex := range rand.Perm(l) {
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shuffled[i] = leaders[randIndex]
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}
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// make each copy has same probability to be first replica
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for index, leader := range shuffled {
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if leader == leaders[int(it.idx)%l] {
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shuffled[0], shuffled[index] = shuffled[index], shuffled[0]
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}
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}
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result[channel] = shuffled
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}
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return result
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}
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// GetReader returns shuffer reader for shard leader.
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func (sl *shardLeaders) GetReader() shardLeadersReader {
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idx := sl.idx.Inc()
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return shardLeadersReader{
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leaders: sl,
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idx: idx,
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}
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}
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type partitionInfo struct {
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partitionID typeutil.UniqueID
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createdTimestamp uint64
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createdUtcTimestamp uint64
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}
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// make sure MetaCache implements Cache.
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var _ Cache = (*MetaCache)(nil)
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// MetaCache implements Cache, provides collection meta cache based on internal RootCoord
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type MetaCache struct {
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rootCoord types.RootCoord
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queryCoord types.QueryCoord
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collInfo map[string]*collectionInfo
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credMap map[string]*internalpb.CredentialInfo // cache for credential, lazy load
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privilegeInfos map[string]struct{} // privileges cache
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userToRoles map[string]map[string]struct{} // user to role cache
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mu sync.RWMutex
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credMut sync.RWMutex
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privilegeMut sync.RWMutex
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shardMgr *shardClientMgr
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}
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// globalMetaCache is singleton instance of Cache
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var globalMetaCache Cache
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// InitMetaCache initializes globalMetaCache
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func InitMetaCache(ctx context.Context, rootCoord types.RootCoord, queryCoord types.QueryCoord, shardMgr *shardClientMgr) error {
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var err error
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globalMetaCache, err = NewMetaCache(rootCoord, queryCoord, shardMgr)
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if err != nil {
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return err
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}
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// The privilege info is a little more. And to get this info, the query operation of involving multiple table queries is required.
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resp, err := rootCoord.ListPolicy(ctx, &internalpb.ListPolicyRequest{})
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if err != nil {
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log.Error("fail to init meta cache", zap.Error(err))
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return err
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}
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globalMetaCache.InitPolicyInfo(resp.PolicyInfos, resp.UserRoles)
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log.Info("success to init meta cache", zap.Strings("policy_infos", resp.PolicyInfos))
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globalMetaCache.expireShardLeaderCache(ctx)
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return nil
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}
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// NewMetaCache creates a MetaCache with provided RootCoord and QueryNode
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func NewMetaCache(rootCoord types.RootCoord, queryCoord types.QueryCoord, shardMgr *shardClientMgr) (*MetaCache, error) {
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return &MetaCache{
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rootCoord: rootCoord,
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queryCoord: queryCoord,
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collInfo: map[string]*collectionInfo{},
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credMap: map[string]*internalpb.CredentialInfo{},
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shardMgr: shardMgr,
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privilegeInfos: map[string]struct{}{},
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userToRoles: map[string]map[string]struct{}{},
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}, nil
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}
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// GetCollectionID returns the corresponding collection id for provided collection name
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func (m *MetaCache) GetCollectionID(ctx context.Context, collectionName string) (typeutil.UniqueID, error) {
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m.mu.RLock()
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collInfo, ok := m.collInfo[collectionName]
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if !ok || !collInfo.isCollectionCached() {
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GeCollectionID", metrics.CacheMissLabel).Inc()
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tr := timerecord.NewTimeRecorder("UpdateCache")
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m.mu.RUnlock()
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coll, err := m.describeCollection(ctx, collectionName, 0)
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if err != nil {
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return 0, err
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}
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m.mu.Lock()
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defer m.mu.Unlock()
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m.updateCollection(coll, collectionName)
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metrics.ProxyUpdateCacheLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(tr.ElapseSpan().Milliseconds()))
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collInfo = m.collInfo[collectionName]
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return collInfo.collID, nil
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}
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defer m.mu.RUnlock()
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GetCollectionID", metrics.CacheHitLabel).Inc()
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return collInfo.collID, nil
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}
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// GetCollectionName returns the corresponding collection name for provided collection id
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func (m *MetaCache) GetCollectionName(ctx context.Context, collectionID int64) (string, error) {
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m.mu.RLock()
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var collInfo *collectionInfo
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for _, coll := range m.collInfo {
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if coll.collID == collectionID {
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collInfo = coll
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break
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}
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}
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if collInfo == nil || !collInfo.isCollectionCached() {
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GeCollectionName", metrics.CacheMissLabel).Inc()
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tr := timerecord.NewTimeRecorder("UpdateCache")
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m.mu.RUnlock()
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coll, err := m.describeCollection(ctx, "", collectionID)
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if err != nil {
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return "", err
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}
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m.mu.Lock()
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defer m.mu.Unlock()
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m.updateCollection(coll, coll.Schema.Name)
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metrics.ProxyUpdateCacheLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(tr.ElapseSpan().Milliseconds()))
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return coll.Schema.Name, nil
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}
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defer m.mu.RUnlock()
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GeCollectionName", metrics.CacheHitLabel).Inc()
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return collInfo.schema.Name, nil
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}
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// GetCollectionInfo returns the collection information related to provided collection name
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// If the information is not found, proxy will try to fetch information for other source (RootCoord for now)
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func (m *MetaCache) GetCollectionInfo(ctx context.Context, collectionName string) (*collectionInfo, error) {
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m.mu.RLock()
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var collInfo *collectionInfo
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collInfo, ok := m.collInfo[collectionName]
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m.mu.RUnlock()
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if !ok || !collInfo.isCollectionCached() {
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tr := timerecord.NewTimeRecorder("UpdateCache")
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GetCollectionInfo", metrics.CacheMissLabel).Inc()
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coll, err := m.describeCollection(ctx, collectionName, 0)
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if err != nil {
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return nil, err
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}
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m.mu.Lock()
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m.updateCollection(coll, collectionName)
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collInfo = m.collInfo[collectionName]
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m.mu.Unlock()
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metrics.ProxyUpdateCacheLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(tr.ElapseSpan().Milliseconds()))
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}
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if !collInfo.isLoaded {
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// check if collection was loaded
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showResp, err := m.queryCoord.ShowCollections(ctx, &querypb.ShowCollectionsRequest{
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Base: commonpbutil.NewMsgBase(
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commonpbutil.WithMsgType(commonpb.MsgType_ShowCollections),
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commonpbutil.WithSourceID(paramtable.GetNodeID()),
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),
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CollectionIDs: []int64{collInfo.collID},
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})
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if err != nil {
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return nil, err
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}
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if showResp.Status.ErrorCode != commonpb.ErrorCode_Success {
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return nil, errors.New(showResp.Status.Reason)
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}
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log.Debug("QueryCoord show collections",
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zap.Int64("collID", collInfo.collID),
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zap.Int64s("collections", showResp.GetCollectionIDs()),
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zap.Int64s("collectionsInMemoryPercentages", showResp.GetInMemoryPercentages()),
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)
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loaded := false
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for index, collID := range showResp.CollectionIDs {
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if collID == collInfo.collID && showResp.GetInMemoryPercentages()[index] >= int64(100) {
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loaded = true
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break
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}
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}
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if loaded {
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m.mu.Lock()
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m.collInfo[collectionName].isLoaded = true
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m.mu.Unlock()
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}
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}
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GetCollectionInfo", metrics.CacheHitLabel).Inc()
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return collInfo, nil
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}
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func (m *MetaCache) GetCollectionSchema(ctx context.Context, collectionName string) (*schemapb.CollectionSchema, error) {
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m.mu.RLock()
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collInfo, ok := m.collInfo[collectionName]
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if !ok || !collInfo.isCollectionCached() {
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GetCollectionSchema", metrics.CacheMissLabel).Inc()
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tr := timerecord.NewTimeRecorder("UpdateCache")
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m.mu.RUnlock()
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coll, err := m.describeCollection(ctx, collectionName, 0)
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if err != nil {
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log.Warn("Failed to load collection from rootcoord ",
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zap.String("collection name ", collectionName),
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zap.Error(err))
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return nil, err
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}
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m.mu.Lock()
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defer m.mu.Unlock()
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m.updateCollection(coll, collectionName)
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collInfo = m.collInfo[collectionName]
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metrics.ProxyUpdateCacheLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(tr.ElapseSpan().Milliseconds()))
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log.Debug("Reload collection from root coordinator ",
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zap.String("collection name", collectionName),
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zap.Any("time (milliseconds) take ", tr.ElapseSpan().Milliseconds()))
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return collInfo.schema, nil
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}
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defer m.mu.RUnlock()
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GetCollectionSchema", metrics.CacheHitLabel).Inc()
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return collInfo.schema, nil
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}
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func (m *MetaCache) updateCollection(coll *milvuspb.DescribeCollectionResponse, collectionName string) {
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_, ok := m.collInfo[collectionName]
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if !ok {
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m.collInfo[collectionName] = &collectionInfo{}
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}
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m.collInfo[collectionName].schema = coll.Schema
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m.collInfo[collectionName].collID = coll.CollectionID
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m.collInfo[collectionName].createdTimestamp = coll.CreatedTimestamp
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m.collInfo[collectionName].createdUtcTimestamp = coll.CreatedUtcTimestamp
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}
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func (m *MetaCache) GetPartitionID(ctx context.Context, collectionName string, partitionName string) (typeutil.UniqueID, error) {
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partInfo, err := m.GetPartitionInfo(ctx, collectionName, partitionName)
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if err != nil {
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return 0, err
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}
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return partInfo.partitionID, nil
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}
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func (m *MetaCache) GetPartitions(ctx context.Context, collectionName string) (map[string]typeutil.UniqueID, error) {
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_, err := m.GetCollectionID(ctx, collectionName)
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if err != nil {
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return nil, err
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}
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m.mu.RLock()
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collInfo, ok := m.collInfo[collectionName]
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if !ok {
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m.mu.RUnlock()
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return nil, fmt.Errorf("can't find collection name:%s", collectionName)
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}
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if collInfo.partInfo == nil || len(collInfo.partInfo) == 0 {
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tr := timerecord.NewTimeRecorder("UpdateCache")
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GetPartitions", metrics.CacheMissLabel).Inc()
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m.mu.RUnlock()
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partitions, err := m.showPartitions(ctx, collectionName)
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if err != nil {
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return nil, err
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}
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m.mu.Lock()
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defer m.mu.Unlock()
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err = m.updatePartitions(partitions, collectionName)
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if err != nil {
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return nil, err
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}
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metrics.ProxyUpdateCacheLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(tr.ElapseSpan().Milliseconds()))
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log.Debug("proxy", zap.Any("GetPartitions:partitions after update", partitions), zap.Any("collectionName", collectionName))
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ret := make(map[string]typeutil.UniqueID)
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partInfo := m.collInfo[collectionName].partInfo
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for k, v := range partInfo {
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ret[k] = v.partitionID
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}
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return ret, nil
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}
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defer m.mu.RUnlock()
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GetPartitions", metrics.CacheHitLabel).Inc()
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ret := make(map[string]typeutil.UniqueID)
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partInfo := m.collInfo[collectionName].partInfo
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for k, v := range partInfo {
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ret[k] = v.partitionID
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}
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return ret, nil
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}
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func (m *MetaCache) GetPartitionInfo(ctx context.Context, collectionName string, partitionName string) (*partitionInfo, error) {
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_, err := m.GetCollectionID(ctx, collectionName)
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if err != nil {
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return nil, err
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}
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m.mu.RLock()
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collInfo, ok := m.collInfo[collectionName]
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if !ok {
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m.mu.RUnlock()
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return nil, fmt.Errorf("can't find collection name:%s", collectionName)
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}
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var partInfo *partitionInfo
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partInfo, ok = collInfo.partInfo[partitionName]
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m.mu.RUnlock()
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if !ok {
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tr := timerecord.NewTimeRecorder("UpdateCache")
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metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GetPartitionInfo", metrics.CacheMissLabel).Inc()
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partitions, err := m.showPartitions(ctx, collectionName)
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if err != nil {
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return nil, err
|
|
}
|
|
|
|
m.mu.Lock()
|
|
defer m.mu.Unlock()
|
|
err = m.updatePartitions(partitions, collectionName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
metrics.ProxyUpdateCacheLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(tr.ElapseSpan().Milliseconds()))
|
|
log.Debug("proxy", zap.Any("GetPartitionID:partitions after update", partitions), zap.Any("collectionName", collectionName))
|
|
partInfo, ok = m.collInfo[collectionName].partInfo[partitionName]
|
|
if !ok {
|
|
return nil, merr.WrapErrPartitionNotFound(partitionName)
|
|
}
|
|
}
|
|
metrics.ProxyCacheStatsCounter.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10), "GetPartitionInfo", metrics.CacheHitLabel).Inc()
|
|
return &partitionInfo{
|
|
partitionID: partInfo.partitionID,
|
|
createdTimestamp: partInfo.createdTimestamp,
|
|
createdUtcTimestamp: partInfo.createdUtcTimestamp,
|
|
}, nil
|
|
}
|
|
|
|
// Get the collection information from rootcoord.
|
|
func (m *MetaCache) describeCollection(ctx context.Context, collectionName string, collectionID int64) (*milvuspb.DescribeCollectionResponse, error) {
|
|
req := &milvuspb.DescribeCollectionRequest{
|
|
Base: commonpbutil.NewMsgBase(
|
|
commonpbutil.WithMsgType(commonpb.MsgType_DescribeCollection),
|
|
),
|
|
CollectionName: collectionName,
|
|
CollectionID: collectionID,
|
|
}
|
|
coll, err := m.rootCoord.DescribeCollection(ctx, req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if coll.Status.ErrorCode != commonpb.ErrorCode_Success {
|
|
return nil, common.NewStatusError(coll.GetStatus().GetErrorCode(), coll.GetStatus().GetReason())
|
|
}
|
|
resp := &milvuspb.DescribeCollectionResponse{
|
|
Status: coll.Status,
|
|
Schema: &schemapb.CollectionSchema{
|
|
Name: coll.Schema.Name,
|
|
Description: coll.Schema.Description,
|
|
AutoID: coll.Schema.AutoID,
|
|
Fields: make([]*schemapb.FieldSchema, 0),
|
|
},
|
|
CollectionID: coll.CollectionID,
|
|
VirtualChannelNames: coll.VirtualChannelNames,
|
|
PhysicalChannelNames: coll.PhysicalChannelNames,
|
|
CreatedTimestamp: coll.CreatedTimestamp,
|
|
CreatedUtcTimestamp: coll.CreatedUtcTimestamp,
|
|
}
|
|
for _, field := range coll.Schema.Fields {
|
|
if field.FieldID >= common.StartOfUserFieldID {
|
|
resp.Schema.Fields = append(resp.Schema.Fields, field)
|
|
}
|
|
}
|
|
return resp, nil
|
|
}
|
|
|
|
func (m *MetaCache) showPartitions(ctx context.Context, collectionName string) (*milvuspb.ShowPartitionsResponse, error) {
|
|
req := &milvuspb.ShowPartitionsRequest{
|
|
Base: commonpbutil.NewMsgBase(
|
|
commonpbutil.WithMsgType(commonpb.MsgType_ShowPartitions),
|
|
),
|
|
CollectionName: collectionName,
|
|
}
|
|
|
|
partitions, err := m.rootCoord.ShowPartitions(ctx, req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if partitions.Status.ErrorCode != commonpb.ErrorCode_Success {
|
|
return nil, fmt.Errorf("%s", partitions.Status.Reason)
|
|
}
|
|
|
|
if len(partitions.PartitionIDs) != len(partitions.PartitionNames) {
|
|
return nil, fmt.Errorf("partition ids len: %d doesn't equal Partition name len %d",
|
|
len(partitions.PartitionIDs), len(partitions.PartitionNames))
|
|
}
|
|
|
|
return partitions, nil
|
|
}
|
|
|
|
func (m *MetaCache) updatePartitions(partitions *milvuspb.ShowPartitionsResponse, collectionName string) error {
|
|
_, ok := m.collInfo[collectionName]
|
|
if !ok {
|
|
m.collInfo[collectionName] = &collectionInfo{
|
|
partInfo: map[string]*partitionInfo{},
|
|
}
|
|
}
|
|
partInfo := m.collInfo[collectionName].partInfo
|
|
if partInfo == nil {
|
|
partInfo = map[string]*partitionInfo{}
|
|
}
|
|
|
|
// check partitionID, createdTimestamp and utcstamp has sam element numbers
|
|
if len(partitions.PartitionNames) != len(partitions.CreatedTimestamps) || len(partitions.PartitionNames) != len(partitions.CreatedUtcTimestamps) {
|
|
return errors.New("partition names and timestamps number is not aligned, response " + partitions.String())
|
|
}
|
|
|
|
for i := 0; i < len(partitions.PartitionIDs); i++ {
|
|
if _, ok := partInfo[partitions.PartitionNames[i]]; !ok {
|
|
partInfo[partitions.PartitionNames[i]] = &partitionInfo{
|
|
partitionID: partitions.PartitionIDs[i],
|
|
createdTimestamp: partitions.CreatedTimestamps[i],
|
|
createdUtcTimestamp: partitions.CreatedUtcTimestamps[i],
|
|
}
|
|
}
|
|
}
|
|
m.collInfo[collectionName].partInfo = partInfo
|
|
return nil
|
|
}
|
|
|
|
func (m *MetaCache) RemoveCollection(ctx context.Context, collectionName string) {
|
|
m.mu.Lock()
|
|
defer m.mu.Unlock()
|
|
delete(m.collInfo, collectionName)
|
|
}
|
|
|
|
func (m *MetaCache) RemoveCollectionsByID(ctx context.Context, collectionID UniqueID) []string {
|
|
m.mu.Lock()
|
|
defer m.mu.Unlock()
|
|
var collNames []string
|
|
for k, v := range m.collInfo {
|
|
if v.collID == collectionID {
|
|
delete(m.collInfo, k)
|
|
collNames = append(collNames, k)
|
|
}
|
|
}
|
|
return collNames
|
|
}
|
|
|
|
func (m *MetaCache) RemovePartition(ctx context.Context, collectionName, partitionName string) {
|
|
m.mu.Lock()
|
|
defer m.mu.Unlock()
|
|
_, ok := m.collInfo[collectionName]
|
|
if !ok {
|
|
return
|
|
}
|
|
partInfo := m.collInfo[collectionName].partInfo
|
|
if partInfo == nil {
|
|
return
|
|
}
|
|
delete(partInfo, partitionName)
|
|
}
|
|
|
|
// GetCredentialInfo returns the credential related to provided username
|
|
// If the cache missed, proxy will try to fetch from storage
|
|
func (m *MetaCache) GetCredentialInfo(ctx context.Context, username string) (*internalpb.CredentialInfo, error) {
|
|
m.credMut.RLock()
|
|
var credInfo *internalpb.CredentialInfo
|
|
credInfo, ok := m.credMap[username]
|
|
m.credMut.RUnlock()
|
|
|
|
if !ok {
|
|
req := &rootcoordpb.GetCredentialRequest{
|
|
Base: commonpbutil.NewMsgBase(
|
|
commonpbutil.WithMsgType(commonpb.MsgType_GetCredential),
|
|
),
|
|
Username: username,
|
|
}
|
|
resp, err := m.rootCoord.GetCredential(ctx, req)
|
|
if err != nil {
|
|
return &internalpb.CredentialInfo{}, err
|
|
}
|
|
credInfo = &internalpb.CredentialInfo{
|
|
Username: resp.Username,
|
|
EncryptedPassword: resp.Password,
|
|
}
|
|
}
|
|
|
|
return credInfo, nil
|
|
}
|
|
|
|
func (m *MetaCache) RemoveCredential(username string) {
|
|
m.credMut.Lock()
|
|
defer m.credMut.Unlock()
|
|
// delete pair in credMap
|
|
delete(m.credMap, username)
|
|
}
|
|
|
|
func (m *MetaCache) UpdateCredential(credInfo *internalpb.CredentialInfo) {
|
|
m.credMut.Lock()
|
|
defer m.credMut.Unlock()
|
|
username := credInfo.Username
|
|
_, ok := m.credMap[username]
|
|
if !ok {
|
|
m.credMap[username] = &internalpb.CredentialInfo{}
|
|
}
|
|
|
|
// Do not cache encrypted password content
|
|
m.credMap[username].Username = username
|
|
m.credMap[username].Sha256Password = credInfo.Sha256Password
|
|
}
|
|
|
|
// GetShards update cache if withCache == false
|
|
func (m *MetaCache) GetShards(ctx context.Context, withCache bool, collectionName string) (map[string][]nodeInfo, error) {
|
|
info, err := m.GetCollectionInfo(ctx, collectionName)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if withCache {
|
|
var shardLeaders *shardLeaders
|
|
info.leaderMutex.RLock()
|
|
shardLeaders = info.shardLeaders
|
|
info.leaderMutex.RUnlock()
|
|
|
|
if shardLeaders != nil && !shardLeaders.deprecated.Load() {
|
|
iterator := shardLeaders.GetReader()
|
|
return iterator.Shuffle(), nil
|
|
}
|
|
|
|
log.Info("no shard cache for collection, try to get shard leaders from QueryCoord",
|
|
zap.String("collectionName", collectionName))
|
|
}
|
|
req := &querypb.GetShardLeadersRequest{
|
|
Base: commonpbutil.NewMsgBase(
|
|
commonpbutil.WithMsgType(commonpb.MsgType_GetShardLeaders),
|
|
commonpbutil.WithSourceID(paramtable.GetNodeID()),
|
|
),
|
|
CollectionID: info.collID,
|
|
}
|
|
|
|
// retry until service available or context timeout
|
|
var resp *querypb.GetShardLeadersResponse
|
|
childCtx, cancel := context.WithTimeout(ctx, time.Second*10)
|
|
defer cancel()
|
|
err = retry.Do(childCtx, func() error {
|
|
resp, err = m.queryCoord.GetShardLeaders(ctx, req)
|
|
if err != nil {
|
|
return retry.Unrecoverable(err)
|
|
}
|
|
if resp.Status.ErrorCode == commonpb.ErrorCode_Success {
|
|
return nil
|
|
}
|
|
// do not retry unless got NoReplicaAvailable from querycoord
|
|
if resp.Status.ErrorCode != commonpb.ErrorCode_NoReplicaAvailable {
|
|
return retry.Unrecoverable(fmt.Errorf("fail to get shard leaders from QueryCoord: %s", resp.Status.Reason))
|
|
}
|
|
return fmt.Errorf("fail to get shard leaders from QueryCoord: %s", resp.Status.Reason)
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if resp.Status.ErrorCode != commonpb.ErrorCode_Success {
|
|
return nil, fmt.Errorf("fail to get shard leaders from QueryCoord: %s", resp.Status.Reason)
|
|
}
|
|
|
|
shards := parseShardLeaderList2QueryNode(resp.GetShards())
|
|
|
|
info, err = m.GetCollectionInfo(ctx, collectionName)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to get shards, collection %s not found", collectionName)
|
|
}
|
|
// lock leader
|
|
info.leaderMutex.Lock()
|
|
oldShards := info.shardLeaders
|
|
info.shardLeaders = &shardLeaders{
|
|
shardLeaders: shards,
|
|
deprecated: atomic.NewBool(false),
|
|
idx: atomic.NewInt64(0),
|
|
}
|
|
iterator := info.shardLeaders.GetReader()
|
|
info.leaderMutex.Unlock()
|
|
|
|
ret := iterator.Shuffle()
|
|
oldLeaders := make(map[string][]nodeInfo)
|
|
if oldShards != nil {
|
|
oldLeaders = oldShards.shardLeaders
|
|
}
|
|
// update refcnt in shardClientMgr
|
|
// and create new client for new leaders
|
|
_ = m.shardMgr.UpdateShardLeaders(oldLeaders, ret)
|
|
|
|
return ret, nil
|
|
}
|
|
|
|
func parseShardLeaderList2QueryNode(shardsLeaders []*querypb.ShardLeadersList) map[string][]nodeInfo {
|
|
shard2QueryNodes := make(map[string][]nodeInfo)
|
|
|
|
for _, leaders := range shardsLeaders {
|
|
qns := make([]nodeInfo, len(leaders.GetNodeIds()))
|
|
|
|
for j := range qns {
|
|
qns[j] = nodeInfo{leaders.GetNodeIds()[j], leaders.GetNodeAddrs()[j]}
|
|
}
|
|
|
|
shard2QueryNodes[leaders.GetChannelName()] = qns
|
|
}
|
|
|
|
return shard2QueryNodes
|
|
}
|
|
|
|
// DeprecateShardCache clear the shard leader cache of a collection
|
|
func (m *MetaCache) DeprecateShardCache(collectionName string) {
|
|
log.Info("clearing shard cache for collection", zap.String("collectionName", collectionName))
|
|
m.mu.RLock()
|
|
info, ok := m.collInfo[collectionName]
|
|
m.mu.RUnlock()
|
|
if ok {
|
|
info.deprecateLeaderCache()
|
|
}
|
|
|
|
}
|
|
|
|
func (m *MetaCache) expireShardLeaderCache(ctx context.Context) {
|
|
go func() {
|
|
ticker := time.NewTicker(params.Params.ProxyCfg.ShardLeaderCacheInterval.GetAsDuration(time.Second))
|
|
defer ticker.Stop()
|
|
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
log.Info("stop periodically update meta cache")
|
|
return
|
|
case <-ticker.C:
|
|
m.mu.RLock()
|
|
log.Info("expire all shard leader cache",
|
|
zap.Strings("collections", lo.Keys(m.collInfo)))
|
|
for _, info := range m.collInfo {
|
|
info.deprecateLeaderCache()
|
|
}
|
|
m.mu.RUnlock()
|
|
}
|
|
}
|
|
}()
|
|
}
|
|
|
|
func (m *MetaCache) InitPolicyInfo(info []string, userRoles []string) {
|
|
m.mu.Lock()
|
|
defer m.mu.Unlock()
|
|
|
|
m.privilegeInfos = util.StringSet(info)
|
|
for _, userRole := range userRoles {
|
|
user, role, err := funcutil.DecodeUserRoleCache(userRole)
|
|
if err != nil {
|
|
log.Warn("invalid user-role key", zap.String("user-role", userRole), zap.Error(err))
|
|
continue
|
|
}
|
|
if m.userToRoles[user] == nil {
|
|
m.userToRoles[user] = make(map[string]struct{})
|
|
}
|
|
m.userToRoles[user][role] = struct{}{}
|
|
}
|
|
}
|
|
|
|
func (m *MetaCache) GetPrivilegeInfo(ctx context.Context) []string {
|
|
m.mu.RLock()
|
|
defer m.mu.RUnlock()
|
|
|
|
return util.StringList(m.privilegeInfos)
|
|
}
|
|
|
|
func (m *MetaCache) GetUserRole(user string) []string {
|
|
m.mu.RLock()
|
|
defer m.mu.RUnlock()
|
|
|
|
return util.StringList(m.userToRoles[user])
|
|
}
|
|
|
|
func (m *MetaCache) RefreshPolicyInfo(op typeutil.CacheOp) error {
|
|
m.mu.Lock()
|
|
defer m.mu.Unlock()
|
|
|
|
if op.OpKey == "" {
|
|
return errors.New("empty op key")
|
|
}
|
|
switch op.OpType {
|
|
case typeutil.CacheGrantPrivilege:
|
|
m.privilegeInfos[op.OpKey] = struct{}{}
|
|
case typeutil.CacheRevokePrivilege:
|
|
delete(m.privilegeInfos, op.OpKey)
|
|
case typeutil.CacheAddUserToRole:
|
|
user, role, err := funcutil.DecodeUserRoleCache(op.OpKey)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid opKey, fail to decode, op_type: %d, op_key: %s", int(op.OpType), op.OpKey)
|
|
}
|
|
if m.userToRoles[user] == nil {
|
|
m.userToRoles[user] = make(map[string]struct{})
|
|
}
|
|
m.userToRoles[user][role] = struct{}{}
|
|
case typeutil.CacheRemoveUserFromRole:
|
|
user, role, err := funcutil.DecodeUserRoleCache(op.OpKey)
|
|
if err != nil {
|
|
return fmt.Errorf("invalid opKey, fail to decode, op_type: %d, op_key: %s", int(op.OpType), op.OpKey)
|
|
}
|
|
if m.userToRoles[user] != nil {
|
|
delete(m.userToRoles[user], role)
|
|
}
|
|
default:
|
|
return fmt.Errorf("invalid opType, op_type: %d, op_key: %s", int(op.OpType), op.OpKey)
|
|
}
|
|
return nil
|
|
}
|