micro/client/grpc/error.go

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package grpc
import (
"github.com/micro/go-micro/v2/errors"
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"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
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}
// 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())
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}
// return first error from details
return details[0].(error)
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}
// do nothing
return err
}