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interceptors.go
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interceptors.go
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package logging
import (
"context"
"fmt"
"github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus/ctxlogrus"
"github.com/sirupsen/logrus"
"google.golang.org/grpc"
"github.com/armadaproject/armada/internal/common/requestid"
)
// UnaryServerInterceptor returns an interceptor that adds the request id as a
// field to the logrus logger embedded in the context. If an error occurs in the handler,
// it also adds a stack trace.
func UnaryServerInterceptor() grpc.UnaryServerInterceptor {
return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
if id, ok := requestid.FromContext(ctx); ok {
ctxlogrus.AddFields(ctx, logrus.Fields{requestid.MetadataKey: id})
}
rv, err := handler(ctx, req)
if err != nil {
// %+v prints a stack trace for pkg/errors errors
ctxlogrus.AddFields(ctx, logrus.Fields{"errorVerbose": fmt.Sprintf("%+v", err)})
}
return rv, err
}
}
// StreamServerInterceptor returns an interceptor that adds the request id as a
// field to the logrus logger embedded in the context. If an error occurs in the handler,
// it also adds a stack trace.
func StreamServerInterceptor() grpc.StreamServerInterceptor {
return func(srv interface{}, stream grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
ctx := stream.Context()
if id, ok := requestid.FromContext(ctx); ok {
ctxlogrus.AddFields(ctx, logrus.Fields{requestid.MetadataKey: id})
}
// The logrus logger only logs at the end of the call. As streaming calls may last a long time
// We also log here which will produce a log line at the start of the call
ctxlogrus.Extract(ctx).Infof("started streaming call")
err := handler(srv, stream)
if err != nil {
// %+v prints a stack trace for pkg/errors errors
ctxlogrus.AddFields(ctx, logrus.Fields{"errorVerbose": fmt.Sprintf("%+v", err)})
}
return err
}
}