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filer: able to tail meta data changes

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This commit is contained in:
Chris Lu
2020-04-05 00:51:16 -07:00
parent 2a2d92d06e
commit bf270d9e8c
11 changed files with 368 additions and 181 deletions
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19
weed/operation/grpc_client.go
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@@ -9,6 +9,7 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
)
@@ -17,7 +18,7 @@ func WithVolumeServerClient(volumeServer string, grpcDialOption grpc.DialOption,
grpcAddress, err := toVolumeServerGrpcAddress(volumeServer)
if err != nil {
return err
return fmt.Errorf("failed to parse volume server %v: %v", volumeServer, err)
}
return pb.WithCachedGrpcClient(func(grpcConnection *grpc.ClientConn) error {
@@ -41,7 +42,7 @@ func WithMasterServerClient(masterServer string, grpcDialOption grpc.DialOption,
masterGrpcAddress, parseErr := pb.ParseServerToGrpcAddress(masterServer)
if parseErr != nil {
return fmt.Errorf("failed to parse master grpc %v: %v", masterServer, parseErr)
return fmt.Errorf("failed to parse master %v: %v", masterServer, parseErr)
}
return pb.WithCachedGrpcClient(func(grpcConnection *grpc.ClientConn) error {
@@ -50,3 +51,17 @@ func WithMasterServerClient(masterServer string, grpcDialOption grpc.DialOption,
}, masterGrpcAddress, grpcDialOption)
}
func WithFilerServerClient(filerServer string, grpcDialOption grpc.DialOption, fn func(masterClient filer_pb.SeaweedFilerClient) error) error {
filerGrpcAddress, parseErr := pb.ParseServerToGrpcAddress(filerServer)
if parseErr != nil {
return fmt.Errorf("failed to parse filer %v: %v", filerGrpcAddress, parseErr)
}
return pb.WithCachedGrpcClient(func(grpcConnection *grpc.ClientConn) error {
client := filer_pb.NewSeaweedFilerClient(grpcConnection)
return fn(client)
}, filerGrpcAddress, grpcDialOption)
}