micro/client/grpc/error.go
Vasiliy Tolstov 7105e4099c
pass micro errors from grpc server to grpc client (#1167)
* pass micro errors from grpc server to grpc client

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* wrap micro errors.Error to grpc status

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2020-02-06 10:18:33 +00:00

35 lines
620 B
Go

package grpc
import (
"github.com/micro/go-micro/v2/errors"
"google.golang.org/grpc/status"
)
func microError(err error) error {
// no error
switch err {
case nil:
return nil
}
if verr, ok := err.(*errors.Error); ok {
return verr
}
// grpc error
if s, ok := status.FromError(err); ok {
details := s.Details()
if len(details) == 0 {
if e := errors.Parse(s.Message()); e.Code > 0 {
return e // actually a micro error
}
return errors.InternalServerError("go.micro.client", s.Message())
}
// return first error from details
return details[0].(error)
}
// do nothing
return err
}