lightwalletd/common/logging/logging.go

50 lines
1.0 KiB
Go

package logging
import (
"context"
"time"
"github.com/sirupsen/logrus"
log "github.com/sirupsen/logrus"
"google.golang.org/grpc"
"google.golang.org/grpc/peer"
)
func LoggingInterceptor() grpc.ServerOption {
return grpc.UnaryInterceptor(logInterceptor)
}
func loggerFromContext(ctx context.Context) *logrus.Entry {
// TODO: anonymize the addresses. cryptopan?
if peerInfo, ok := peer.FromContext(ctx); ok {
return log.WithFields(logrus.Fields{"peer_addr": peerInfo.Addr})
}
return log.WithFields(logrus.Fields{"peer_addr": "unknown"})
}
func logInterceptor(
ctx context.Context,
req interface{},
info *grpc.UnaryServerInfo,
handler grpc.UnaryHandler,
) (interface{}, error) {
reqLog := loggerFromContext(ctx)
start := time.Now()
resp, err := handler(ctx, req)
entry := reqLog.WithFields(logrus.Fields{
"method": info.FullMethod,
"duration": time.Since(start),
"error": err,
})
if err != nil {
entry.Error("call failed")
} else {
entry.Info("method called")
}
return resp, err
}