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feat: Add grpcLogger to gRPC server for request logging
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package gapi | ||
|
|
||
| import ( | ||
| "context" | ||
| "net/http" | ||
| "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() | ||
| } | ||
|
|
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| logger := log.Info() | ||
| if err != nil { | ||
| logger = log.Error().Err(err) | ||
| } | ||
|
|
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| 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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| type ResponseRecorder struct { | ||
| http.ResponseWriter | ||
| StatusCode int | ||
| Body []byte | ||
| } | ||
|
|
||
| func (rec *ResponseRecorder) WriteHeader(statusCode int) { | ||
| rec.StatusCode = statusCode | ||
| rec.ResponseWriter.WriteHeader(statusCode) | ||
| } | ||
|
|
||
| func (rec *ResponseRecorder) Write(body []byte) (int, error) { | ||
| rec.Body = body | ||
| return rec.ResponseWriter.Write(body) | ||
| } | ||
|
|
||
| func HttpLogger(handler http.Handler) http.Handler { | ||
| return http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) { | ||
| startTime := time.Now() | ||
| rec := &ResponseRecorder{ | ||
| ResponseWriter: res, | ||
| StatusCode: http.StatusOK, | ||
| } | ||
| handler.ServeHTTP(rec, req) | ||
| duration := time.Since(startTime) | ||
|
|
||
| logger := log.Info() | ||
| if rec.StatusCode != http.StatusOK { | ||
| logger = log.Error().Bytes("body", rec.Body) | ||
| } | ||
|
|
||
| logger.Str("protocol", "http"). | ||
| Str("method", req.Method). | ||
| Str("path", req.RequestURI). | ||
| Int("status_code", rec.StatusCode). | ||
| Str("status_text", http.StatusText(rec.StatusCode)). | ||
| Dur("duration", duration). | ||
| Msg("received a HTTP request") | ||
| }) | ||
| } |
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