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log.go
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log.go
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/**
* Polychromatic
*
* Copyright 2018 Tenta, LLC
*
* 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.
*
* For any questions, please contact developer@tenta.io
*
* log.go: Helper functions for logging
*/
package polychromatic
import (
"github.com/mattn/go-colorable"
"github.com/sirupsen/logrus"
"github.com/x-cray/logrus-prefixed-formatter"
"io"
)
var log *logrus.Logger = logrus.New()
func init() {
log.Level = logrus.PanicLevel
log.Out = colorable.NewColorableStdout()
formatter := &prefixed.TextFormatter{ForceColors: true, ForceFormatting: true}
formatter.SetColorScheme(&prefixed.ColorScheme{DebugLevelStyle: "green+b", InfoLevelStyle: "green+h"})
log.Formatter = formatter
// TODO: Deal with how to log to files or something
}
// SetLogLevel globally sets the log level for all loggers obtained from this package
func SetLogLevel(lvl logrus.Level) {
log.Level = lvl
}
// GetLogger sets up a new logger with the specified package name as the prefix.
func GetLogger(pkg string) *logrus.Entry {
return log.WithField("prefix", pkg)
}
// SetOutput globally sets the output buffer
func SetOutput(out io.Writer) {
log.Out = out
}
// UseStderr forces the log to use StdErr instead of StdOut
func UseStderr() {
SetOutput(colorable.NewColorableStderr())
}