mirror of https://github.com/minio/minio.git
110 lines
3.8 KiB
Go
110 lines
3.8 KiB
Go
// Copyright (c) 2016 Uber Technologies, Inc.
|
|
//
|
|
// 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.
|
|
|
|
package zap
|
|
|
|
import "go.uber.org/zap/zapcore"
|
|
|
|
// An Option configures a Logger.
|
|
type Option interface {
|
|
apply(*Logger)
|
|
}
|
|
|
|
// optionFunc wraps a func so it satisfies the Option interface.
|
|
type optionFunc func(*Logger)
|
|
|
|
func (f optionFunc) apply(log *Logger) {
|
|
f(log)
|
|
}
|
|
|
|
// WrapCore wraps or replaces the Logger's underlying zapcore.Core.
|
|
func WrapCore(f func(zapcore.Core) zapcore.Core) Option {
|
|
return optionFunc(func(log *Logger) {
|
|
log.core = f(log.core)
|
|
})
|
|
}
|
|
|
|
// Hooks registers functions which will be called each time the Logger writes
|
|
// out an Entry. Repeated use of Hooks is additive.
|
|
//
|
|
// Hooks are useful for simple side effects, like capturing metrics for the
|
|
// number of emitted logs. More complex side effects, including anything that
|
|
// requires access to the Entry's structured fields, should be implemented as
|
|
// a zapcore.Core instead. See zapcore.RegisterHooks for details.
|
|
func Hooks(hooks ...func(zapcore.Entry) error) Option {
|
|
return optionFunc(func(log *Logger) {
|
|
log.core = zapcore.RegisterHooks(log.core, hooks...)
|
|
})
|
|
}
|
|
|
|
// Fields adds fields to the Logger.
|
|
func Fields(fs ...Field) Option {
|
|
return optionFunc(func(log *Logger) {
|
|
log.core = log.core.With(fs)
|
|
})
|
|
}
|
|
|
|
// ErrorOutput sets the destination for errors generated by the Logger. Note
|
|
// that this option only affects internal errors; for sample code that sends
|
|
// error-level logs to a different location from info- and debug-level logs,
|
|
// see the package-level AdvancedConfiguration example.
|
|
//
|
|
// The supplied WriteSyncer must be safe for concurrent use. The Open and
|
|
// zapcore.Lock functions are the simplest ways to protect files with a mutex.
|
|
func ErrorOutput(w zapcore.WriteSyncer) Option {
|
|
return optionFunc(func(log *Logger) {
|
|
log.errorOutput = w
|
|
})
|
|
}
|
|
|
|
// Development puts the logger in development mode, which makes DPanic-level
|
|
// logs panic instead of simply logging an error.
|
|
func Development() Option {
|
|
return optionFunc(func(log *Logger) {
|
|
log.development = true
|
|
})
|
|
}
|
|
|
|
// AddCaller configures the Logger to annotate each message with the filename
|
|
// and line number of zap's caller.
|
|
func AddCaller() Option {
|
|
return optionFunc(func(log *Logger) {
|
|
log.addCaller = true
|
|
})
|
|
}
|
|
|
|
// AddCallerSkip increases the number of callers skipped by caller annotation
|
|
// (as enabled by the AddCaller option). When building wrappers around the
|
|
// Logger and SugaredLogger, supplying this Option prevents zap from always
|
|
// reporting the wrapper code as the caller.
|
|
func AddCallerSkip(skip int) Option {
|
|
return optionFunc(func(log *Logger) {
|
|
log.callerSkip += skip
|
|
})
|
|
}
|
|
|
|
// AddStacktrace configures the Logger to record a stack trace for all messages at
|
|
// or above a given level.
|
|
func AddStacktrace(lvl zapcore.LevelEnabler) Option {
|
|
return optionFunc(func(log *Logger) {
|
|
log.addStack = lvl
|
|
})
|
|
}
|