github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/service/logger/logger.go (about)

     1  // Licensed under the Apache License, Version 2.0 (the "License");
     2  // you may not use this file except in compliance with the License.
     3  // You may obtain a copy of the License at
     4  //
     5  //     https://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS,
     9  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    10  // See the License for the specific language governing permissions and
    11  // limitations under the License.
    12  //
    13  // Original source: github.com/micro/go-micro/v3/logger/logger.go
    14  
    15  // Package log provides a log interface
    16  package logger
    17  
    18  var (
    19  	// Default logger
    20  	DefaultLogger Logger = NewHelper(NewLogger())
    21  )
    22  
    23  // Logger is a generic logging interface
    24  type Logger interface {
    25  	// Init initialises options
    26  	Init(options ...Option) error
    27  	// The Logger options
    28  	Options() Options
    29  	// Fields set fields to always be logged
    30  	Fields(fields map[string]interface{}) Logger
    31  	// Log writes a log entry
    32  	Log(level Level, v ...interface{})
    33  	// Logf writes a formatted log entry
    34  	Logf(level Level, format string, v ...interface{})
    35  	// String returns the name of logger
    36  	String() string
    37  }
    38  
    39  func Init(opts ...Option) error {
    40  	return DefaultLogger.Init(opts...)
    41  }
    42  
    43  func Fields(fields map[string]interface{}) Logger {
    44  	return DefaultLogger.Fields(fields)
    45  }
    46  
    47  func Log(level Level, v ...interface{}) {
    48  	DefaultLogger.Log(level, v...)
    49  }
    50  
    51  func Logf(level Level, format string, v ...interface{}) {
    52  	DefaultLogger.Logf(level, format, v...)
    53  }
    54  
    55  func String() string {
    56  	return DefaultLogger.String()
    57  }