mirror of
https://gitee.com/milvus-io/milvus.git
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2a07124885
* Change default grpc retry config Signed-off-by: godchen <qingxiang.chen@zilliz.com> * fix error Signed-off-by: godchen <qingxiang.chen@zilliz.com> * change timeout Signed-off-by: godchen <qingxiang.chen@zilliz.com> * fix error Signed-off-by: godchen <qingxiang.chen@zilliz.com> * add retry code Signed-off-by: godchen <qingxiang.chen@zilliz.com> * change time Signed-off-by: godchen <qingxiang.chen@zilliz.com>
161 lines
4.7 KiB
Go
161 lines
4.7 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package grpcindexnodeclient
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import (
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"context"
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"errors"
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"fmt"
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"time"
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grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
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grpc_retry "github.com/grpc-ecosystem/go-grpc-middleware/retry"
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grpc_opentracing "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/proto/milvuspb"
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"github.com/milvus-io/milvus/internal/util/retry"
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"github.com/milvus-io/milvus/internal/util/trace"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/indexpb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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)
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type Client struct {
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ctx context.Context
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cancel context.CancelFunc
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grpcClient indexpb.IndexNodeClient
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conn *grpc.ClientConn
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addr string
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}
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func NewClient(ctx context.Context, addr string) (*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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ctx, cancel := context.WithCancel(ctx)
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return &Client{
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ctx: ctx,
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cancel: cancel,
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addr: addr,
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}, nil
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}
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func (c *Client) Init() error {
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return c.connect(retry.Attempts(20))
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}
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func (c *Client) connect(retryOptions ...retry.Option) error {
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connectGrpcFunc := func() error {
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opts := trace.GetInterceptorOpts()
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log.Debug("IndexNodeClient try connect ", zap.String("address", c.addr))
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conn, err := grpc.DialContext(c.ctx, c.addr,
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grpc.WithInsecure(), grpc.WithBlock(), grpc.WithTimeout(2*time.Second),
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grpc.WithUnaryInterceptor(
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grpc_middleware.ChainUnaryClient(
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grpc_retry.UnaryClientInterceptor(
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grpc_retry.WithMax(3),
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grpc_retry.WithPerRetryTimeout(time.Second*3),
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grpc_retry.WithCodes(codes.Aborted, codes.Unavailable),
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),
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grpc_opentracing.UnaryClientInterceptor(opts...),
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)),
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grpc.WithStreamInterceptor(
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grpc_middleware.ChainStreamClient(
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grpc_retry.StreamClientInterceptor(
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grpc_retry.WithMax(3),
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grpc_retry.WithPerRetryTimeout(time.Second*3),
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grpc_retry.WithCodes(codes.Aborted, codes.Unavailable),
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),
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grpc_opentracing.StreamClientInterceptor(opts...),
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)),
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)
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if err != nil {
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return err
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}
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c.conn = conn
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return nil
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}
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err := retry.Do(c.ctx, connectGrpcFunc, retryOptions...)
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if err != nil {
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log.Debug("IndexNodeClient try connect failed", zap.Error(err))
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return err
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}
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log.Debug("IndexNodeClient try connect success", zap.String("address", c.addr))
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c.grpcClient = indexpb.NewIndexNodeClient(c.conn)
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return nil
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}
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func (c *Client) recall(caller func() (interface{}, error)) (interface{}, error) {
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ret, err := caller()
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if err == nil {
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return ret, nil
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}
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err = c.connect()
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if err != nil {
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return ret, errors.New("Connect to indexnode failed with error:\n" + err.Error())
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}
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ret, err = caller()
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if err == nil {
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return ret, nil
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}
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return ret, err
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}
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func (c *Client) Start() error {
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return nil
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}
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func (c *Client) Stop() error {
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return nil
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}
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// Register dummy
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func (c *Client) Register() error {
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return nil
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}
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func (c *Client) GetComponentStates(ctx context.Context) (*internalpb.ComponentStates, error) {
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ret, err := c.recall(func() (interface{}, error) {
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return c.grpcClient.GetComponentStates(ctx, &internalpb.GetComponentStatesRequest{})
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})
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return ret.(*internalpb.ComponentStates), err
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}
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func (c *Client) GetTimeTickChannel(ctx context.Context) (*milvuspb.StringResponse, error) {
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ret, err := c.recall(func() (interface{}, error) {
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return c.grpcClient.GetTimeTickChannel(ctx, &internalpb.GetTimeTickChannelRequest{})
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})
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return ret.(*milvuspb.StringResponse), err
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}
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func (c *Client) GetStatisticsChannel(ctx context.Context) (*milvuspb.StringResponse, error) {
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ret, err := c.recall(func() (interface{}, error) {
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return c.grpcClient.GetStatisticsChannel(ctx, &internalpb.GetStatisticsChannelRequest{})
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})
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return ret.(*milvuspb.StringResponse), err
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}
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func (c *Client) CreateIndex(ctx context.Context, req *indexpb.CreateIndexRequest) (*commonpb.Status, error) {
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ret, err := c.recall(func() (interface{}, error) {
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return c.grpcClient.CreateIndex(ctx, req)
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})
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return ret.(*commonpb.Status), err
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}
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