only log stacks on server errors

pkg/kubeapiserver/server/insecure_handler.go

@@ -36,7 +36,7 @@ import (
 func BuildInsecureHandlerChain(apiHandler http.Handler, c *server.Config) http.Handler {
 	handler := genericapifilters.WithAudit(apiHandler, c.RequestContextMapper, c.AuditWriter)
 	handler = genericfilters.WithCORS(handler, c.CorsAllowedOriginList, nil, nil, nil, "true")
-	handler = genericfilters.WithPanicRecovery(handler, c.RequestContextMapper)
+	handler = genericfilters.WithPanicRecovery(handler)
 	handler = genericfilters.WithTimeoutForNonLongRunningRequests(handler, c.RequestContextMapper, c.LongRunningFunc)
 	handler = genericfilters.WithMaxInFlightLimit(handler, c.MaxRequestsInFlight, c.MaxMutatingRequestsInFlight, c.RequestContextMapper, c.LongRunningFunc)
 	handler = genericapifilters.WithRequestInfo(handler, server.NewRequestInfoResolver(c), c.RequestContextMapper)

staging/src/k8s.io/apiserver/pkg/server/config.go

@@ -492,7 +492,7 @@ func DefaultBuildHandlerChain(apiHandler http.Handler, c *Config) http.Handler {
 	handler = genericapifilters.WithAudit(handler, c.RequestContextMapper, c.AuditWriter)
 	handler = genericapifilters.WithAuthentication(handler, c.RequestContextMapper, c.Authenticator, genericapifilters.Unauthorized(c.SupportsBasicAuth))
 	handler = genericfilters.WithCORS(handler, c.CorsAllowedOriginList, nil, nil, nil, "true")
-	handler = genericfilters.WithPanicRecovery(handler, c.RequestContextMapper)
+	handler = genericfilters.WithPanicRecovery(handler)
 	handler = genericfilters.WithTimeoutForNonLongRunningRequests(handler, c.RequestContextMapper, c.LongRunningFunc)
 	handler = genericfilters.WithMaxInFlightLimit(handler, c.MaxRequestsInFlight, c.MaxMutatingRequestsInFlight, c.RequestContextMapper, c.LongRunningFunc)
 	handler = genericapifilters.WithRequestInfo(handler, NewRequestInfoResolver(c), c.RequestContextMapper)

staging/src/k8s.io/apiserver/pkg/server/filters/wrap.go

@@ -22,14 +22,12 @@ import (
 
 	"github.com/golang/glog"
 
-	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/util/runtime"
-	apirequest "k8s.io/apiserver/pkg/endpoints/request"
 	"k8s.io/apiserver/pkg/server/httplog"
 )
 
 // WithPanicRecovery wraps an http Handler to recover and log panics.
-func WithPanicRecovery(handler http.Handler, requestContextMapper apirequest.RequestContextMapper) http.Handler {
+func WithPanicRecovery(handler http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
 		defer runtime.HandleCrash(func(err interface{}) {
 			http.Error(w, "This request caused apisever to panic. Look in log for details.", http.StatusInternalServerError)
@@ -37,37 +35,6 @@ func WithPanicRecovery(handler http.Handler, requestContextMapper apirequest.Req
 		})
 
 		logger := httplog.NewLogged(req, &w)
-
-		var requestInfo *apirequest.RequestInfo
-		ctx, ok := requestContextMapper.Get(req)
-		if !ok {
-			glog.Errorf("no context found for request, handler chain must be wrong")
-		} else {
-			requestInfo, ok = apirequest.RequestInfoFrom(ctx)
-			if !ok {
-				glog.Errorf("no RequestInfo found in context, handler chain must be wrong")
-			}
-		}
-
-		if !ok || requestInfo.Verb != "proxy" {
-			logger.StacktraceWhen(
-				httplog.StatusIsNot(
-					http.StatusOK,
-					http.StatusCreated,
-					http.StatusAccepted,
-					http.StatusBadRequest,
-					http.StatusMovedPermanently,
-					http.StatusTemporaryRedirect,
-					http.StatusConflict,
-					http.StatusNotFound,
-					http.StatusUnauthorized,
-					http.StatusForbidden,
-					http.StatusNotModified,
-					apierrors.StatusUnprocessableEntity,
-					http.StatusSwitchingProtocols,
-				),
-			)
-		}
 		defer logger.Log()
 
 		// Dispatch to the internal handler