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logger.go
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logger.go
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// @license
// Copyright (C) 2023 Dinko Korunic
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//nolint:zerologlint
package logger
import (
"context"
"fmt"
"io"
"os"
"github.com/rs/zerolog"
)
// Logger is the global logger.
var Logger = zerolog.New(os.Stdout).
With().
Timestamp().
Logger()
// Output duplicates the global logger and sets w as its output.
func Output(w io.Writer) zerolog.Logger {
return Logger.Output(w)
}
// With creates a child logger with the field added to its context.
func With() zerolog.Context {
return Logger.With()
}
// Level creates a child logger with the minimum accepted level set to level.
func Level(level zerolog.Level) zerolog.Logger {
return Logger.Level(level)
}
// Sample returns a logger with the s sampler.
func Sample(s zerolog.Sampler) zerolog.Logger {
return Logger.Sample(s)
}
// Hook returns a logger with the h Hook.
func Hook(h zerolog.Hook) zerolog.Logger {
return Logger.Hook(h)
}
// Err starts a new message with error level with err as a field if not nil or
// with info level if err is nil.
//
// You must call Msg on the returned event in order to send the event.
func Err(err error) *zerolog.Event {
return Logger.Err(err)
}
// Trace starts a new message with trace level.
//
// You must call Msg on the returned event in order to send the event.
func Trace() *zerolog.Event {
return Logger.Trace()
}
// Debug starts a new message with debug level.
//
// You must call Msg on the returned event in order to send the event.
func Debug() *zerolog.Event {
return Logger.Debug()
}
// Info starts a new message with info level.
//
// You must call Msg on the returned event in order to send the event.
func Info() *zerolog.Event {
return Logger.Info()
}
// Warn starts a new message with warn level.
//
// You must call Msg on the returned event in order to send the event.
func Warn() *zerolog.Event {
return Logger.Warn()
}
// Error starts a new message with error level.
//
// You must call Msg on the returned event in order to send the event.
func Error() *zerolog.Event {
return Logger.Error()
}
// Fatal starts a new message with fatal level. The os.Exit(1) function
// is called by the Msg method.
//
// You must call Msg on the returned event in order to send the event.
func Fatal() *zerolog.Event {
return Logger.Fatal()
}
// Panic starts a new message with panic level. The message is also sent
// to the panic function.
//
// You must call Msg on the returned event in order to send the event.
func Panic() *zerolog.Event {
return Logger.Panic()
}
// WithLevel starts a new message with level.
//
// You must call Msg on the returned event in order to send the event.
func WithLevel(level zerolog.Level) *zerolog.Event {
return Logger.WithLevel(level)
}
// Log starts a new message with no level. Setting zerolog.GlobalLevel to
// zerolog.Disabled will still disable events produced by this method.
//
// You must call Msg on the returned event in order to send the event.
func Log() *zerolog.Event {
return Logger.Log()
}
// Print sends a log event using debug level and no extra field.
// Arguments are handled in the manner of fmt.Print.
func Print(v ...interface{}) {
Logger.Debug().CallerSkipFrame(1).Msg(fmt.Sprint(v...))
}
// Printf sends a log event using debug level and no extra field.
// Arguments are handled in the manner of fmt.Printf.
func Printf(format string, v ...interface{}) {
Logger.Debug().CallerSkipFrame(1).Msgf(format, v...)
}
// Ctx returns the Logger associated with the ctx. If no logger
// is associated, a disabled logger is returned.
func Ctx(ctx context.Context) *zerolog.Logger {
return zerolog.Ctx(ctx)
}