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add gRPC logger interceptor (techschool#63)
* add gRPC logger interceptor * add back error to the log * update new lecture link Co-authored-by: phamlequang <phamlequang@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| package gapi | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "github.com/rs/zerolog/log" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
| ) | ||
|
|
||
| func GrpcLogger( | ||
| ctx context.Context, | ||
| req interface{}, | ||
| info *grpc.UnaryServerInfo, | ||
| handler grpc.UnaryHandler, | ||
| ) (resp interface{}, err error) { | ||
| startTime := time.Now() | ||
| result, err := handler(ctx, req) | ||
| duration := time.Since(startTime) | ||
|
|
||
| statusCode := codes.Unknown | ||
| if st, ok := status.FromError(err); ok { | ||
| statusCode = st.Code() | ||
| } | ||
|
|
||
| logger := log.Info() | ||
| if err != nil { | ||
| logger = log.Error().Err(err) | ||
| } | ||
|
|
||
| logger.Str("protocol", "grpc"). | ||
| Str("method", info.FullMethod). | ||
| Int("status_code", int(statusCode)). | ||
| Str("status_text", statusCode.String()). | ||
| Dur("duration", duration). | ||
| Msg("received a gRPC request") | ||
|
|
||
| return result, err | ||
| } |
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