istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/log/zapcore_handler.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package log
    16  
    17  import (
    18  	"go.uber.org/zap/zapcore"
    19  )
    20  
    21  var toLevel = map[zapcore.Level]Level{
    22  	zapcore.FatalLevel: FatalLevel,
    23  	zapcore.ErrorLevel: ErrorLevel,
    24  	zapcore.WarnLevel:  WarnLevel,
    25  	zapcore.InfoLevel:  InfoLevel,
    26  	zapcore.DebugLevel: DebugLevel,
    27  }
    28  
    29  // callerSkipOffset is how many callers to pop off the stack to determine the caller function locality, used for
    30  // adding file/line number to log output.
    31  const callerSkipOffset = 3
    32  
    33  func dumpStack(level zapcore.Level, scope *Scope) bool {
    34  	thresh := toLevel[level]
    35  	if scope != defaultScope {
    36  		thresh = ErrorLevel
    37  		switch level {
    38  		case zapcore.FatalLevel:
    39  			thresh = FatalLevel
    40  		}
    41  	}
    42  	return scope.GetStackTraceLevel() >= thresh
    43  }