milvus/internal/proxy/meta_cache_test.go
congqixia 69252f812d
Implement memory replica in Proxy, QueryNode and QueryCoord (#16470)
Related to #16298 #16291 #16154
Co-authored-by: sunby <bingyi.sun@zilliz.com>
Co-authored-by: yangxuan <xuan.yang@zilliz.com>
Co-authored-by: yah01 <yang.cen@zilliz.com>
Co-authored-by: Letian Jiang <letian.jiang@zilliz.com>

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2022-04-20 16:15:41 +08:00

361 lines
11 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 proxy
import (
"context"
"errors"
"fmt"
"testing"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/proto/commonpb"
"github.com/milvus-io/milvus/internal/proto/milvuspb"
"github.com/milvus-io/milvus/internal/proto/rootcoordpb"
"github.com/milvus-io/milvus/internal/proto/schemapb"
"github.com/milvus-io/milvus/internal/types"
"github.com/milvus-io/milvus/internal/util/crypto"
"github.com/milvus-io/milvus/internal/util/typeutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type MockRootCoordClientInterface struct {
types.RootCoord
Error bool
AccessCount int
}
func (m *MockRootCoordClientInterface) ShowPartitions(ctx context.Context, in *milvuspb.ShowPartitionsRequest) (*milvuspb.ShowPartitionsResponse, error) {
if m.Error {
return nil, errors.New("mocked error")
}
if in.CollectionName == "collection1" {
return &milvuspb.ShowPartitionsResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
PartitionIDs: []typeutil.UniqueID{1, 2},
CreatedTimestamps: []uint64{100, 200},
CreatedUtcTimestamps: []uint64{100, 200},
PartitionNames: []string{"par1", "par2"},
}, nil
}
if in.CollectionName == "collection2" {
return &milvuspb.ShowPartitionsResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
PartitionIDs: []typeutil.UniqueID{3, 4},
CreatedTimestamps: []uint64{201, 202},
CreatedUtcTimestamps: []uint64{201, 202},
PartitionNames: []string{"par1", "par2"},
}, nil
}
if in.CollectionName == "errorCollection" {
return &milvuspb.ShowPartitionsResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
PartitionIDs: []typeutil.UniqueID{5, 6},
CreatedTimestamps: []uint64{201},
CreatedUtcTimestamps: []uint64{201},
PartitionNames: []string{"par1", "par2"},
}, nil
}
return &milvuspb.ShowPartitionsResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_UnexpectedError,
},
PartitionIDs: []typeutil.UniqueID{},
CreatedTimestamps: []uint64{},
CreatedUtcTimestamps: []uint64{},
PartitionNames: []string{},
}, nil
}
func (m *MockRootCoordClientInterface) DescribeCollection(ctx context.Context, in *milvuspb.DescribeCollectionRequest) (*milvuspb.DescribeCollectionResponse, error) {
if m.Error {
return nil, errors.New("mocked error")
}
m.AccessCount++
if in.CollectionName == "collection1" {
return &milvuspb.DescribeCollectionResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
CollectionID: typeutil.UniqueID(1),
Schema: &schemapb.CollectionSchema{
AutoID: true,
},
}, nil
}
if in.CollectionName == "collection2" {
return &milvuspb.DescribeCollectionResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
CollectionID: typeutil.UniqueID(2),
Schema: &schemapb.CollectionSchema{
AutoID: true,
},
}, nil
}
if in.CollectionName == "errorCollection" {
return &milvuspb.DescribeCollectionResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
CollectionID: typeutil.UniqueID(3),
Schema: &schemapb.CollectionSchema{
AutoID: true,
},
}, nil
}
err := fmt.Errorf("can't find collection: " + in.CollectionName)
return &milvuspb.DescribeCollectionResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_CollectionNotExists,
Reason: "describe collection failed: " + err.Error(),
},
Schema: nil,
}, nil
}
func (m *MockRootCoordClientInterface) GetCredential(ctx context.Context, req *rootcoordpb.GetCredentialRequest) (*rootcoordpb.GetCredentialResponse, error) {
if m.Error {
return nil, errors.New("mocked error")
}
m.AccessCount++
if req.Username == "mockUser" {
encryptedPassword, _ := crypto.PasswordEncrypt("mockPass")
return &rootcoordpb.GetCredentialResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
Username: "mockUser",
Password: encryptedPassword,
}, nil
}
err := fmt.Errorf("can't find credential: " + req.Username)
return nil, err
}
func (m *MockRootCoordClientInterface) ListCredUsers(ctx context.Context, req *milvuspb.ListCredUsersRequest) (*milvuspb.ListCredUsersResponse, error) {
if m.Error {
return nil, errors.New("mocked error")
}
return &milvuspb.ListCredUsersResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_Success,
},
Usernames: []string{"mockUser"},
}, nil
}
//Simulate the cache path and the
func TestMetaCache_GetCollection(t *testing.T) {
ctx := context.Background()
client := &MockRootCoordClientInterface{}
err := InitMetaCache(client)
assert.Nil(t, err)
id, err := globalMetaCache.GetCollectionID(ctx, "collection1")
assert.Nil(t, err)
assert.Equal(t, id, typeutil.UniqueID(1))
assert.Equal(t, client.AccessCount, 1)
// should'nt be accessed to remote root coord.
schema, err := globalMetaCache.GetCollectionSchema(ctx, "collection1")
assert.Equal(t, client.AccessCount, 1)
assert.Nil(t, err)
assert.Equal(t, schema, &schemapb.CollectionSchema{
AutoID: true,
Fields: []*schemapb.FieldSchema{},
})
id, err = globalMetaCache.GetCollectionID(ctx, "collection2")
assert.Equal(t, client.AccessCount, 2)
assert.Nil(t, err)
assert.Equal(t, id, typeutil.UniqueID(2))
schema, err = globalMetaCache.GetCollectionSchema(ctx, "collection2")
assert.Equal(t, client.AccessCount, 2)
assert.Nil(t, err)
assert.Equal(t, schema, &schemapb.CollectionSchema{
AutoID: true,
Fields: []*schemapb.FieldSchema{},
})
// test to get from cache, this should trigger root request
id, err = globalMetaCache.GetCollectionID(ctx, "collection1")
assert.Equal(t, client.AccessCount, 2)
assert.Nil(t, err)
assert.Equal(t, id, typeutil.UniqueID(1))
schema, err = globalMetaCache.GetCollectionSchema(ctx, "collection1")
assert.Equal(t, client.AccessCount, 2)
assert.Nil(t, err)
assert.Equal(t, schema, &schemapb.CollectionSchema{
AutoID: true,
Fields: []*schemapb.FieldSchema{},
})
}
func TestMetaCache_GetCollectionFailure(t *testing.T) {
ctx := context.Background()
client := &MockRootCoordClientInterface{}
err := InitMetaCache(client)
assert.Nil(t, err)
client.Error = true
schema, err := globalMetaCache.GetCollectionSchema(ctx, "collection1")
assert.NotNil(t, err)
assert.Nil(t, schema)
client.Error = false
schema, err = globalMetaCache.GetCollectionSchema(ctx, "collection1")
assert.Nil(t, err)
assert.Equal(t, schema, &schemapb.CollectionSchema{
AutoID: true,
Fields: []*schemapb.FieldSchema{},
})
client.Error = true
// should be cached with no error
assert.Nil(t, err)
assert.Equal(t, schema, &schemapb.CollectionSchema{
AutoID: true,
Fields: []*schemapb.FieldSchema{},
})
}
func TestMetaCache_GetNonExistCollection(t *testing.T) {
ctx := context.Background()
client := &MockRootCoordClientInterface{}
err := InitMetaCache(client)
assert.Nil(t, err)
id, err := globalMetaCache.GetCollectionID(ctx, "collection3")
assert.NotNil(t, err)
assert.Equal(t, id, int64(0))
schema, err := globalMetaCache.GetCollectionSchema(ctx, "collection3")
assert.NotNil(t, err)
assert.Nil(t, schema)
}
func TestMetaCache_GetPartitionID(t *testing.T) {
ctx := context.Background()
client := &MockRootCoordClientInterface{}
err := InitMetaCache(client)
assert.Nil(t, err)
id, err := globalMetaCache.GetPartitionID(ctx, "collection1", "par1")
assert.Nil(t, err)
assert.Equal(t, id, typeutil.UniqueID(1))
id, err = globalMetaCache.GetPartitionID(ctx, "collection1", "par2")
assert.Nil(t, err)
assert.Equal(t, id, typeutil.UniqueID(2))
id, err = globalMetaCache.GetPartitionID(ctx, "collection2", "par1")
assert.Nil(t, err)
assert.Equal(t, id, typeutil.UniqueID(3))
id, err = globalMetaCache.GetPartitionID(ctx, "collection2", "par2")
assert.Nil(t, err)
assert.Equal(t, id, typeutil.UniqueID(4))
}
func TestMetaCache_GetPartitionError(t *testing.T) {
ctx := context.Background()
client := &MockRootCoordClientInterface{}
err := InitMetaCache(client)
assert.Nil(t, err)
// Test the case where ShowPartitionsResponse is not aligned
id, err := globalMetaCache.GetPartitionID(ctx, "errorCollection", "par1")
assert.NotNil(t, err)
log.Debug(err.Error())
assert.Equal(t, id, typeutil.UniqueID(0))
partitions, err2 := globalMetaCache.GetPartitions(ctx, "errorCollection")
assert.NotNil(t, err2)
log.Debug(err.Error())
assert.Equal(t, len(partitions), 0)
// Test non existed tables
id, err = globalMetaCache.GetPartitionID(ctx, "nonExisted", "par1")
assert.NotNil(t, err)
log.Debug(err.Error())
assert.Equal(t, id, typeutil.UniqueID(0))
// Test non existed partition
id, err = globalMetaCache.GetPartitionID(ctx, "collection1", "par3")
assert.NotNil(t, err)
log.Debug(err.Error())
assert.Equal(t, id, typeutil.UniqueID(0))
}
func TestMetaCache_GetShards(t *testing.T) {
client := &MockRootCoordClientInterface{}
err := InitMetaCache(client)
require.Nil(t, err)
var (
ctx = context.TODO()
collectionName = "collection1"
qc = NewQueryCoordMock()
)
qc.Init()
qc.Start()
defer qc.Stop()
t.Run("No collection in meta cache", func(t *testing.T) {
shards, err := globalMetaCache.GetShards(ctx, true, "non-exists", qc)
assert.Error(t, err)
assert.Empty(t, shards)
})
t.Run("without shardLeaders in collection info invalid shardLeaders", func(t *testing.T) {
qc.validShardLeaders = false
shards, err := globalMetaCache.GetShards(ctx, false, collectionName, qc)
assert.Error(t, err)
assert.Empty(t, shards)
})
t.Run("without shardLeaders in collection info", func(t *testing.T) {
qc.validShardLeaders = true
shards, err := globalMetaCache.GetShards(ctx, true, collectionName, qc)
assert.NoError(t, err)
assert.NotEmpty(t, shards)
assert.Equal(t, 1, len(shards))
assert.Equal(t, 3, len(shards[0].GetNodeAddrs()))
assert.Equal(t, 3, len(shards[0].GetNodeIds()))
// get from cache
qc.validShardLeaders = false
shards, err = globalMetaCache.GetShards(ctx, true, collectionName, qc)
assert.NoError(t, err)
assert.NotEmpty(t, shards)
assert.Equal(t, 1, len(shards))
assert.Equal(t, 3, len(shards[0].GetNodeAddrs()))
assert.Equal(t, 3, len(shards[0].GetNodeIds()))
})
}