go.temporal.io/server@v1.23.0/common/log/sdk_logger.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
     7  // Permission is hereby granted, free of charge, to any person obtaining a copy
     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package log
    26  
    27  import (
    28  	"fmt"
    29  
    30  	"go.temporal.io/sdk/log"
    31  
    32  	"go.temporal.io/server/common/log/tag"
    33  )
    34  
    35  const (
    36  	extraSkipForSdkLogger = 1
    37  	noValue               = "no value"
    38  )
    39  
    40  type SdkLogger struct {
    41  	logger Logger
    42  }
    43  
    44  var _ log.Logger = (*SdkLogger)(nil)
    45  
    46  func NewSdkLogger(logger Logger) *SdkLogger {
    47  	if sl, ok := logger.(SkipLogger); ok {
    48  		logger = sl.Skip(extraSkipForSdkLogger)
    49  	}
    50  
    51  	return &SdkLogger{
    52  		logger: logger,
    53  	}
    54  }
    55  
    56  func (l *SdkLogger) tags(keyvals []interface{}) []tag.Tag {
    57  	var tags []tag.Tag
    58  	for i := 0; i < len(keyvals); i++ {
    59  		if t, keyvalIsTag := keyvals[i].(tag.Tag); keyvalIsTag {
    60  			tags = append(tags, t)
    61  			continue
    62  		}
    63  
    64  		key, keyIsString := keyvals[i].(string)
    65  		if !keyIsString {
    66  			key = fmt.Sprintf("%v", keyvals[i])
    67  		}
    68  		var val interface{}
    69  		if i+1 == len(keyvals) {
    70  			val = noValue
    71  		} else {
    72  			val = keyvals[i+1]
    73  			i++
    74  		}
    75  
    76  		tags = append(tags, tag.NewAnyTag(key, val))
    77  	}
    78  
    79  	return tags
    80  }
    81  
    82  func (l *SdkLogger) Debug(msg string, keyvals ...interface{}) {
    83  	l.logger.Debug(msg, l.tags(keyvals)...)
    84  }
    85  
    86  func (l *SdkLogger) Info(msg string, keyvals ...interface{}) {
    87  	l.logger.Info(msg, l.tags(keyvals)...)
    88  }
    89  
    90  func (l *SdkLogger) Warn(msg string, keyvals ...interface{}) {
    91  	l.logger.Warn(msg, l.tags(keyvals)...)
    92  }
    93  
    94  func (l *SdkLogger) Error(msg string, keyvals ...interface{}) {
    95  	l.logger.Error(msg, l.tags(keyvals)...)
    96  }
    97  
    98  func (l *SdkLogger) With(keyvals ...interface{}) log.Logger {
    99  	return NewSdkLogger(
   100  		With(l.logger, l.tags(keyvals)...))
   101  }