/
grpc.go
80 lines (66 loc) · 1.82 KB
/
grpc.go
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package comptest
import (
"fmt"
"log"
"net"
"strings"
"cloud.google.com/go/pubsub"
"github.com/golang/protobuf/proto"
"github.com/golang/protobuf/ptypes"
"github.com/golang/protobuf/ptypes/any"
"google.golang.org/grpc"
)
// MustStartGRPCServer will register and start grpc server.
func MustStartGRPCServer(addr string, regFn func(s *grpc.Server)) {
addr = cleanAddress(addr)
lis, err := net.Listen("tcp", addr)
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
s := grpc.NewServer()
regFn(s)
go func() {
if err := s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}()
}
// CreateGRPCConn will create grpc conn with disabled TLS.
func CreateGRPCConn(addr string) (*grpc.ClientConn, error) {
connOpts := getOptionsFromAddress(addr)
addr = cleanAddress(addr)
conn, err := grpc.Dial(addr, connOpts...)
if err != nil {
return nil, fmt.Errorf("create GRPC Conn error: %v", err)
}
return conn, nil
}
func MustCreateGRPCConn(addr string) *grpc.ClientConn {
conn, err := CreateGRPCConn(addr)
if err != nil {
log.Fatal(err)
}
return conn
}
// cleanAddress will return address without options
func cleanAddress(addr string) string {
return strings.Split(addr, "?")[0]
}
func getOptionsFromAddress(addr string) []grpc.DialOption {
connOpts := []grpc.DialOption{}
if strings.Contains(addr, "insecure=true") {
connOpts = append(connOpts, grpc.WithInsecure())
}
return connOpts
}
func PubsubMessageToProtoMessage(m *pubsub.Message) (ptypes.DynamicAny, error) {
a := &any.Any{}
if err := proto.Unmarshal(m.Data, a); err != nil {
return ptypes.DynamicAny{}, fmt.Errorf("could not unmarshall message: %w", err)
}
da := ptypes.DynamicAny{}
if err := ptypes.UnmarshalAny(a, &da); err != nil {
return ptypes.DynamicAny{}, fmt.Errorf("could not unmarshall any: %w", err)
}
return da, nil
}