81f03c7d07
Customization of the original library will continue from here to make it leaner and more suited for general use in MimirTech projects.
48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
package main
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import (
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"os"
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)
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var log = logging.MustGetLogger("example")
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// Example format string. Everything except the message has a custom color
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// which is dependent on the log level. Many fields have a custom output
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// formatting too, eg. the time returns the hour down to the milli second.
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var format = logging.MustStringFormatter(
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`%{color}%{time:15:04:05.000} %{shortfunc} ▶ %{level:.4s} %{id:03x}%{color:reset} %{message}`,
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)
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// Password is just an example type implementing the Redactor interface. Any
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// time this is logged, the Redacted() function will be called.
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type Password string
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func (p Password) Redacted() interface{} {
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return logging.Redact(string(p))
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}
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func main() {
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// For demo purposes, create two backend for os.Stderr.
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backend1 := logging.NewLogBackend(os.Stderr, "", 0)
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backend2 := logging.NewLogBackend(os.Stderr, "", 0)
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// For messages written to backend2 we want to add some additional
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// information to the output, including the used log level and the name of
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// the function.
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backend2Formatter := logging.NewBackendFormatter(backend2, format)
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// Only errors and more severe messages should be sent to backend1
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backend1Leveled := logging.AddModuleLevel(backend1)
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backend1Leveled.SetLevel(logging.ERROR, "")
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// Set the backends to be used.
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logging.SetBackend(backend1Leveled, backend2Formatter)
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log.Debugf("debug %s", Password("secret"))
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log.Info("info")
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log.Notice("notice")
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log.Warning("warning")
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log.Error("err")
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log.Critical("crit")
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}
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