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70 lines
2 KiB
Go
70 lines
2 KiB
Go
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package logrus_test
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import (
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"github.com/sirupsen/logrus"
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"os"
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)
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func Example_basic() {
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var log = logrus.New()
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log.Formatter = new(logrus.JSONFormatter)
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log.Formatter = new(logrus.TextFormatter) //default
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log.Formatter.(*logrus.TextFormatter).DisableTimestamp = true // remove timestamp from test output
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log.Level = logrus.DebugLevel
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log.Out = os.Stdout
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// file, err := os.OpenFile("logrus.log", os.O_CREATE|os.O_WRONLY, 0666)
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// if err == nil {
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// log.Out = file
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// } else {
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// log.Info("Failed to log to file, using default stderr")
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// }
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defer func() {
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err := recover()
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if err != nil {
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entry := err.(*logrus.Entry)
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log.WithFields(logrus.Fields{
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"omg": true,
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"err_animal": entry.Data["animal"],
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"err_size": entry.Data["size"],
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"err_level": entry.Level,
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"err_message": entry.Message,
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"number": 100,
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}).Error("The ice breaks!") // or use Fatal() to force the process to exit with a nonzero code
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}
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}()
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log.WithFields(logrus.Fields{
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"animal": "walrus",
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"number": 8,
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}).Debug("Started observing beach")
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log.WithFields(logrus.Fields{
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"animal": "walrus",
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"size": 10,
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}).Info("A group of walrus emerges from the ocean")
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log.WithFields(logrus.Fields{
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"omg": true,
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"number": 122,
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}).Warn("The group's number increased tremendously!")
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log.WithFields(logrus.Fields{
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"temperature": -4,
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}).Debug("Temperature changes")
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log.WithFields(logrus.Fields{
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"animal": "orca",
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"size": 9009,
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}).Panic("It's over 9000!")
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// Output:
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// level=debug msg="Started observing beach" animal=walrus number=8
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// level=info msg="A group of walrus emerges from the ocean" animal=walrus size=10
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// level=warning msg="The group's number increased tremendously!" number=122 omg=true
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// level=debug msg="Temperature changes" temperature=-4
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// level=panic msg="It's over 9000!" animal=orca size=9009
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// level=error msg="The ice breaks!" err_animal=orca err_level=panic err_message="It's over 9000!" err_size=9009 number=100 omg=true
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}
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