knative.dev/pkg@v0.0.0-20260602142205-ac97e43f6622/logging/warning_handler.go (about)

     1  /*
     2  Copyright 2021 The Knative Authors
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package logging
    18  
    19  import "go.uber.org/zap"
    20  
    21  // WarningHandler is a warning handler to forward client-go's warning logs into a zap logger.
    22  type WarningHandler struct {
    23  	Logger *zap.SugaredLogger
    24  }
    25  
    26  func (h *WarningHandler) HandleWarningHeader(code int, agent string, message string) {
    27  	// This condition is copied from K8s' default WarningLogger.
    28  	if code != 299 || len(message) == 0 {
    29  		return
    30  	}
    31  
    32  	h.Logger.Warn("API Warning: " + message)
    33  }