godchen 7b9fdd7f29 Add opentracing
Signed-off-by: godchen <qingxiang.chen@zilliz.com>
2021-02-26 17:44:24 +08:00

76 lines
2.0 KiB
Go

package grpcdatanodeclient
import (
"context"
"time"
otgrpc "github.com/opentracing-contrib/go-grpc"
"github.com/opentracing/opentracing-go"
"github.com/zilliztech/milvus-distributed/internal/log"
"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
"github.com/zilliztech/milvus-distributed/internal/proto/datapb"
"github.com/zilliztech/milvus-distributed/internal/proto/internalpb2"
"github.com/zilliztech/milvus-distributed/internal/util/retry"
"go.uber.org/zap"
"google.golang.org/grpc"
)
type Client struct {
ctx context.Context
grpc datapb.DataNodeClient
conn *grpc.ClientConn
address string
}
func NewClient(address string) *Client {
return &Client{
address: address,
ctx: context.Background(),
}
}
func (c *Client) Init() error {
tracer := opentracing.GlobalTracer()
connectGrpcFunc := func() error {
log.Debug("DataNode connect czs::", zap.String("address", c.address))
conn, err := grpc.DialContext(c.ctx, c.address, grpc.WithInsecure(), grpc.WithBlock(),
grpc.WithUnaryInterceptor(
otgrpc.OpenTracingClientInterceptor(tracer)),
grpc.WithStreamInterceptor(
otgrpc.OpenTracingStreamClientInterceptor(tracer)))
if err != nil {
return err
}
c.conn = conn
return nil
}
err := retry.Retry(100, time.Millisecond*200, connectGrpcFunc)
if err != nil {
return err
}
c.grpc = datapb.NewDataNodeClient(c.conn)
return nil
}
func (c *Client) Start() error {
return nil
}
func (c *Client) Stop() error {
return c.conn.Close()
}
func (c *Client) GetComponentStates(ctx context.Context, empty *commonpb.Empty) (*internalpb2.ComponentStates, error) {
return c.grpc.GetComponentStates(ctx, empty)
}
func (c *Client) WatchDmChannels(ctx context.Context, in *datapb.WatchDmChannelRequest) (*commonpb.Status, error) {
return c.grpc.WatchDmChannels(ctx, in)
}
func (c *Client) FlushSegments(ctx context.Context, in *datapb.FlushSegRequest) (*commonpb.Status, error) {
return c.grpc.FlushSegments(ctx, in)
}