| /* |
| Copyright 2016 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package filters |
| |
| import ( |
| "net/http" |
| "runtime/debug" |
| |
| "github.com/golang/glog" |
| |
| "k8s.io/apimachinery/pkg/util/runtime" |
| "k8s.io/apiserver/pkg/server/httplog" |
| ) |
| |
| // WithPanicRecovery wraps an http Handler to recover and log panics. |
| 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 apiserver to panic. Look in the logs for details.", http.StatusInternalServerError) |
| glog.Errorf("apiserver panic'd on %v %v: %v\n%s\n", req.Method, req.RequestURI, err, debug.Stack()) |
| }) |
| |
| logger := httplog.NewLogged(req, &w) |
| defer logger.Log() |
| |
| // Dispatch to the internal handler |
| handler.ServeHTTP(w, req) |
| }) |
| } |