64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
package frontend
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import (
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"context"
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"time"
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"github.com/sirupsen/logrus"
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"google.golang.org/grpc"
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"google.golang.org/grpc/peer"
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)
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var log *logrus.Entry
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var logger = logrus.New()
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func init() {
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logger.SetFormatter(&logrus.TextFormatter{
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//DisableColors: true,
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FullTimestamp: true,
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DisableLevelTruncation: true,
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})
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log = logger.WithFields(logrus.Fields{
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"app": "frontend-grpc",
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})
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}
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func LoggingInterceptor() grpc.ServerOption {
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return grpc.UnaryInterceptor(logInterceptor)
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}
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func logInterceptor(
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ctx context.Context,
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req interface{},
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info *grpc.UnaryServerInfo,
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handler grpc.UnaryHandler,
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) (interface{}, error) {
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reqLog := loggerFromContext(ctx)
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start := time.Now()
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resp, err := handler(ctx, req)
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entry := reqLog.WithFields(logrus.Fields{
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"method": info.FullMethod,
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"duration": time.Since(start),
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"error": err,
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})
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if err != nil {
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entry.Error("call failed")
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} else {
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entry.Info("method called")
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}
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return resp, err
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}
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func loggerFromContext(ctx context.Context) *logrus.Entry {
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// TODO: anonymize the addresses. cryptopan?
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if peerInfo, ok := peer.FromContext(ctx); ok {
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return log.WithFields(logrus.Fields{"peer_addr": peerInfo.Addr})
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}
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return log.WithFields(logrus.Fields{"peer_addr": "unknown"})
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}
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