milvus/internal/datacoord/metrics_info_test.go

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// 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 datacoord
import (
"context"
"testing"
"github.com/cockroachdb/errors"
"github.com/stretchr/testify/assert"
"google.golang.org/grpc"
"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
"github.com/milvus-io/milvus/internal/types"
"github.com/milvus-io/milvus/pkg/util/merr"
"github.com/milvus-io/milvus/pkg/util/metricsinfo"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
type mockMetricDataNodeClient struct {
types.DataNodeClient
mock func() (*milvuspb.GetMetricsResponse, error)
}
func (c *mockMetricDataNodeClient) GetMetrics(ctx context.Context, req *milvuspb.GetMetricsRequest, opts ...grpc.CallOption) (*milvuspb.GetMetricsResponse, error) {
if c.mock == nil {
return c.DataNodeClient.GetMetrics(ctx, req)
}
return c.mock()
}
type mockMetricIndexNodeClient struct {
types.IndexNodeClient
mock func() (*milvuspb.GetMetricsResponse, error)
}
func (m *mockMetricIndexNodeClient) GetMetrics(ctx context.Context, req *milvuspb.GetMetricsRequest, opts ...grpc.CallOption) (*milvuspb.GetMetricsResponse, error) {
if m.mock == nil {
return m.IndexNodeClient.GetMetrics(ctx, req)
}
return m.mock()
}
func TestGetDataNodeMetrics(t *testing.T) {
svr := newTestServer(t, nil)
defer closeTestServer(t, svr)
ctx := context.Background()
req := &milvuspb.GetMetricsRequest{}
// nil node
_, err := svr.getDataNodeMetrics(ctx, req, nil)
assert.Error(t, err)
// nil client node
_, err = svr.getDataNodeMetrics(ctx, req, NewSession(&NodeInfo{}, nil))
assert.Error(t, err)
creator := func(ctx context.Context, addr string, nodeID int64) (types.DataNodeClient, error) {
return newMockDataNodeClient(100, nil)
}
// mock datanode client
session := NewSession(&NodeInfo{}, creator)
info, err := svr.getDataNodeMetrics(ctx, req, session)
assert.NoError(t, err)
assert.False(t, info.HasError)
assert.Equal(t, metricsinfo.ConstructComponentName(typeutil.DataNodeRole, 100), info.BaseComponentInfos.Name)
getMockFailedClientCreator := func(mockFunc func() (*milvuspb.GetMetricsResponse, error)) dataNodeCreatorFunc {
return func(ctx context.Context, addr string, nodeID int64) (types.DataNodeClient, error) {
cli, err := creator(ctx, addr, nodeID)
assert.NoError(t, err)
return &mockMetricDataNodeClient{DataNodeClient: cli, mock: mockFunc}, nil
}
}
mockFailClientCreator := getMockFailedClientCreator(func() (*milvuspb.GetMetricsResponse, error) {
return nil, errors.New("mocked fail")
})
info, err = svr.getDataNodeMetrics(ctx, req, NewSession(&NodeInfo{}, mockFailClientCreator))
assert.NoError(t, err)
assert.True(t, info.HasError)
mockErr := errors.New("mocked error")
// mock status not success
mockFailClientCreator = getMockFailedClientCreator(func() (*milvuspb.GetMetricsResponse, error) {
return &milvuspb.GetMetricsResponse{
Status: merr.Status(mockErr),
}, nil
})
info, err = svr.getDataNodeMetrics(ctx, req, NewSession(&NodeInfo{}, mockFailClientCreator))
assert.NoError(t, err)
assert.True(t, info.HasError)
assert.Equal(t, "mocked error", info.ErrorReason)
// mock parse error
mockFailClientCreator = getMockFailedClientCreator(func() (*milvuspb.GetMetricsResponse, error) {
return &milvuspb.GetMetricsResponse{
Status: merr.Success(),
Response: `{"error_reason": 1}`,
}, nil
})
info, err = svr.getDataNodeMetrics(ctx, req, NewSession(&NodeInfo{}, mockFailClientCreator))
assert.NoError(t, err)
assert.True(t, info.HasError)
}
func TestGetIndexNodeMetrics(t *testing.T) {
svr := newTestServer(t, nil)
defer closeTestServer(t, svr)
ctx := context.Background()
req := &milvuspb.GetMetricsRequest{}
// nil node
_, err := svr.getIndexNodeMetrics(ctx, req, nil)
assert.Error(t, err)
// return error
info, err := svr.getIndexNodeMetrics(ctx, req, &mockMetricIndexNodeClient{mock: func() (*milvuspb.GetMetricsResponse, error) {
return nil, errors.New("mock error")
}})
assert.NoError(t, err)
assert.True(t, info.HasError)
// failed
mockErr := errors.New("mocked error")
info, err = svr.getIndexNodeMetrics(ctx, req, &mockMetricIndexNodeClient{
mock: func() (*milvuspb.GetMetricsResponse, error) {
return &milvuspb.GetMetricsResponse{
Status: merr.Status(mockErr),
ComponentName: "indexnode100",
}, nil
},
})
assert.NoError(t, err)
assert.True(t, info.HasError)
assert.Equal(t, metricsinfo.ConstructComponentName(typeutil.IndexNodeRole, 100), info.BaseComponentInfos.Name)
// return unexpected
info, err = svr.getIndexNodeMetrics(ctx, req, &mockMetricIndexNodeClient{
mock: func() (*milvuspb.GetMetricsResponse, error) {
return &milvuspb.GetMetricsResponse{
Status: merr.Success(),
Response: "XXXXXXXXXXXXX",
ComponentName: "indexnode100",
}, nil
},
})
assert.NoError(t, err)
assert.True(t, info.HasError)
assert.Equal(t, metricsinfo.ConstructComponentName(typeutil.IndexNodeRole, 100), info.BaseComponentInfos.Name)
// success
info, err = svr.getIndexNodeMetrics(ctx, req, &mockMetricIndexNodeClient{
mock: func() (*milvuspb.GetMetricsResponse, error) {
nodeID = UniqueID(100)
nodeInfos := metricsinfo.DataNodeInfos{
BaseComponentInfos: metricsinfo.BaseComponentInfos{
Name: metricsinfo.ConstructComponentName(typeutil.IndexNodeRole, nodeID),
ID: nodeID,
},
}
resp, err := metricsinfo.MarshalComponentInfos(nodeInfos)
if err != nil {
return &milvuspb.GetMetricsResponse{
Status: merr.Status(err),
ComponentName: metricsinfo.ConstructComponentName(typeutil.IndexNodeRole, nodeID),
}, nil
}
return &milvuspb.GetMetricsResponse{
Status: merr.Success(),
Response: resp,
ComponentName: metricsinfo.ConstructComponentName(typeutil.IndexNodeRole, nodeID),
}, nil
},
})
assert.NoError(t, err)
assert.False(t, info.HasError)
assert.Equal(t, metricsinfo.ConstructComponentName(typeutil.IndexNodeRole, 100), info.BaseComponentInfos.Name)
}