// Copyright 2022 The Prometheus 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 main import ( "fmt" ) // Logger is logger type Logger struct { verbose bool debug bool } func newLogger(verbose bool, debug bool) Logger { logger := Logger{verbose: verbose, debug: debug} return logger } // Msg formatted message func (i Logger) print(prefix string, format string, values ...interface{}) { fmt.Printf(fmt.Sprintf("[%s] %s\n", prefix, format), values...) } // Info log message func (i Logger) Info(format string, values ...interface{}) { i.print("Info", format, values...) } // Warning log message func (i Logger) Warning(format string, values ...interface{}) { i.print("Warning", format, values...) } // Error log message func (i Logger) Error(format string, values ...interface{}) { i.print("Error", format, values...) } // Panic log message func (i Logger) Panic(format string, values ...interface{}) { i.print("Panic", format, values...) } // Verbose log message func (i Logger) Verbose(format string, values ...interface{}) { if i.verbose { i.print("Verbose", format, values...) } } // Debug log message func (i Logger) Debug(format string, values ...interface{}) { if i.debug { i.print("Debug", format, values...) } }