mirror of https://github.com/milvus-io/milvus.git
247 lines
10 KiB
Go
247 lines
10 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 grpcdatanodeclient
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import (
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"context"
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"fmt"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
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"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/util/grpcclient"
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"github.com/milvus-io/milvus/internal/util/sessionutil"
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"github.com/milvus-io/milvus/pkg/log"
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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/paramtable"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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var Params *paramtable.ComponentParam = paramtable.Get()
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// Client is the grpc client for DataNode
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type Client struct {
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grpcClient grpcclient.GrpcClient[datapb.DataNodeClient]
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sess *sessionutil.Session
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addr string
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}
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// NewClient creates a client for DataNode.
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func NewClient(ctx context.Context, addr string, nodeID int64) (*Client, error) {
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if addr == "" {
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return nil, fmt.Errorf("address is empty")
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}
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sess := sessionutil.NewSession(ctx)
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if sess == nil {
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err := fmt.Errorf("new session error, maybe can not connect to etcd")
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log.Debug("DataNodeClient New Etcd Session failed", zap.Error(err))
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return nil, err
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}
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config := &Params.DataNodeGrpcClientCfg
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client := &Client{
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addr: addr,
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grpcClient: grpcclient.NewClientBase[datapb.DataNodeClient](config, "milvus.proto.data.DataNode"),
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sess: sess,
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}
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// node shall specify node id
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client.grpcClient.SetRole(fmt.Sprintf("%s-%d", typeutil.DataNodeRole, nodeID))
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client.grpcClient.SetGetAddrFunc(client.getAddr)
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client.grpcClient.SetNewGrpcClientFunc(client.newGrpcClient)
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client.grpcClient.SetNodeID(nodeID)
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client.grpcClient.SetSession(sess)
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return client, nil
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}
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// Close stops the client.
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// Currently, it closes the grpc connection with the DataNode.
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func (c *Client) Close() error {
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return c.grpcClient.Close()
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}
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func (c *Client) newGrpcClient(cc *grpc.ClientConn) datapb.DataNodeClient {
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return datapb.NewDataNodeClient(cc)
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}
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func (c *Client) getAddr() (string, error) {
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return c.addr, nil
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}
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func wrapGrpcCall[T any](ctx context.Context, c *Client, call func(grpcClient datapb.DataNodeClient) (*T, error)) (*T, error) {
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ret, err := c.grpcClient.ReCall(ctx, func(client datapb.DataNodeClient) (any, error) {
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if !funcutil.CheckCtxValid(ctx) {
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return nil, ctx.Err()
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}
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return call(client)
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})
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if err != nil || ret == nil {
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return nil, err
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}
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return ret.(*T), err
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}
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// GetComponentStates returns ComponentStates
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func (c *Client) GetComponentStates(ctx context.Context, req *milvuspb.GetComponentStatesRequest, opts ...grpc.CallOption) (*milvuspb.ComponentStates, error) {
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*milvuspb.ComponentStates, error) {
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return client.GetComponentStates(ctx, &milvuspb.GetComponentStatesRequest{})
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})
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}
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// GetStatisticsChannel return the statistics channel in string
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// Statistics channel contains statistics infos of query nodes, such as segment infos, memory infos
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func (c *Client) GetStatisticsChannel(ctx context.Context, req *internalpb.GetStatisticsChannelRequest, opts ...grpc.CallOption) (*milvuspb.StringResponse, error) {
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*milvuspb.StringResponse, error) {
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return client.GetStatisticsChannel(ctx, &internalpb.GetStatisticsChannelRequest{})
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})
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}
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// Deprecated
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// WatchDmChannels create consumers on dmChannels to reveive Incremental data
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func (c *Client) WatchDmChannels(ctx context.Context, req *datapb.WatchDmChannelsRequest, opts ...grpc.CallOption) (*commonpb.Status, error) {
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req = typeutil.Clone(req)
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commonpbutil.UpdateMsgBase(
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req.GetBase(),
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commonpbutil.FillMsgBaseFromClient(paramtable.GetNodeID()))
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*commonpb.Status, error) {
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return client.WatchDmChannels(ctx, req)
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})
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}
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// FlushSegments notifies DataNode to flush the segments req provids. The flush tasks are async to this
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//
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// rpc, DataNode will flush the segments in the background.
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//
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// Return UnexpectedError code in status:
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//
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// If DataNode isn't in HEALTHY: states not HEALTHY or dynamic checks not HEALTHY
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// If DataNode doesn't find the correspounding segmentID in its memeory replica
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//
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// Return Success code in status and trigers background flush:
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//
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// Log an info log if a segment is under flushing
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func (c *Client) FlushSegments(ctx context.Context, req *datapb.FlushSegmentsRequest, opts ...grpc.CallOption) (*commonpb.Status, error) {
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req = typeutil.Clone(req)
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commonpbutil.UpdateMsgBase(
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req.GetBase(),
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commonpbutil.FillMsgBaseFromClient(paramtable.GetNodeID()))
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*commonpb.Status, error) {
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return client.FlushSegments(ctx, req)
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})
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}
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// ShowConfigurations gets specified configurations para of DataNode
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func (c *Client) ShowConfigurations(ctx context.Context, req *internalpb.ShowConfigurationsRequest, opts ...grpc.CallOption) (*internalpb.ShowConfigurationsResponse, error) {
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req = typeutil.Clone(req)
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commonpbutil.UpdateMsgBase(
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req.GetBase(),
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commonpbutil.FillMsgBaseFromClient(paramtable.GetNodeID()))
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*internalpb.ShowConfigurationsResponse, error) {
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return client.ShowConfigurations(ctx, req)
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})
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}
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// GetMetrics returns metrics
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func (c *Client) GetMetrics(ctx context.Context, req *milvuspb.GetMetricsRequest, opts ...grpc.CallOption) (*milvuspb.GetMetricsResponse, error) {
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req = typeutil.Clone(req)
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commonpbutil.UpdateMsgBase(
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req.GetBase(),
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commonpbutil.FillMsgBaseFromClient(paramtable.GetNodeID()))
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*milvuspb.GetMetricsResponse, error) {
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return client.GetMetrics(ctx, req)
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})
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}
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// Compaction return compaction by given plan
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func (c *Client) Compaction(ctx context.Context, req *datapb.CompactionPlan, opts ...grpc.CallOption) (*commonpb.Status, error) {
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*commonpb.Status, error) {
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return client.Compaction(ctx, req)
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})
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}
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func (c *Client) GetCompactionState(ctx context.Context, req *datapb.CompactionStateRequest, opts ...grpc.CallOption) (*datapb.CompactionStateResponse, error) {
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req = typeutil.Clone(req)
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commonpbutil.UpdateMsgBase(
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req.GetBase(),
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commonpbutil.FillMsgBaseFromClient(paramtable.GetNodeID()))
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*datapb.CompactionStateResponse, error) {
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return client.GetCompactionState(ctx, req)
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})
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}
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// Import data files(json, numpy, etc.) on MinIO/S3 storage, read and parse them into sealed segments
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func (c *Client) Import(ctx context.Context, req *datapb.ImportTaskRequest, opts ...grpc.CallOption) (*commonpb.Status, error) {
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req = typeutil.Clone(req)
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commonpbutil.UpdateMsgBase(
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req.GetBase(),
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commonpbutil.FillMsgBaseFromClient(paramtable.GetNodeID()))
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*commonpb.Status, error) {
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return client.Import(ctx, req)
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})
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}
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func (c *Client) ResendSegmentStats(ctx context.Context, req *datapb.ResendSegmentStatsRequest, opts ...grpc.CallOption) (*datapb.ResendSegmentStatsResponse, error) {
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req = typeutil.Clone(req)
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commonpbutil.UpdateMsgBase(
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req.GetBase(),
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commonpbutil.FillMsgBaseFromClient(paramtable.GetNodeID()))
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*datapb.ResendSegmentStatsResponse, error) {
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return client.ResendSegmentStats(ctx, req)
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})
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}
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// AddImportSegment is the DataNode client side code for AddImportSegment call.
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func (c *Client) AddImportSegment(ctx context.Context, req *datapb.AddImportSegmentRequest, opts ...grpc.CallOption) (*datapb.AddImportSegmentResponse, error) {
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req = typeutil.Clone(req)
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commonpbutil.UpdateMsgBase(
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req.GetBase(),
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commonpbutil.FillMsgBaseFromClient(paramtable.GetNodeID()))
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*datapb.AddImportSegmentResponse, error) {
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return client.AddImportSegment(ctx, req)
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})
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}
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// SyncSegments is the DataNode client side code for SyncSegments call.
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func (c *Client) SyncSegments(ctx context.Context, req *datapb.SyncSegmentsRequest, opts ...grpc.CallOption) (*commonpb.Status, error) {
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*commonpb.Status, error) {
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return client.SyncSegments(ctx, req)
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})
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}
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// FlushChannels notifies DataNode to sync all the segments belongs to the target channels.
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func (c *Client) FlushChannels(ctx context.Context, req *datapb.FlushChannelsRequest, opts ...grpc.CallOption) (*commonpb.Status, error) {
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*commonpb.Status, error) {
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return client.FlushChannels(ctx, req)
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})
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}
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func (c *Client) NotifyChannelOperation(ctx context.Context, req *datapb.ChannelOperationsRequest, opts ...grpc.CallOption) (*commonpb.Status, error) {
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*commonpb.Status, error) {
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return client.NotifyChannelOperation(ctx, req)
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})
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}
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func (c *Client) CheckChannelOperationProgress(ctx context.Context, req *datapb.ChannelWatchInfo, opts ...grpc.CallOption) (*datapb.ChannelOperationProgressResponse, error) {
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return wrapGrpcCall(ctx, c, func(client datapb.DataNodeClient) (*datapb.ChannelOperationProgressResponse, error) {
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return client.CheckChannelOperationProgress(ctx, req)
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})
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}
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