45 lines
757 B
Go
45 lines
757 B
Go
package logger
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// For debugging
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import (
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"io"
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"io/ioutil"
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"log"
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"os"
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)
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var Logger *log.Logger
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func GetLogger() (*log.Logger, error) {
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if Logger != nil {
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return Logger, nil
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}
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var writer io.Writer
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var err error
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debugModeEnabled := os.Getenv("AMFORA_DEBUG") == "1"
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if debugModeEnabled {
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writer, err = os.Create("debug.log")
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if err != nil {
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return nil, err
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}
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} else {
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// Suppress all logging output if debug mode is disabled
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writer = ioutil.Discard
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}
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Logger = log.New(writer, "", log.LstdFlags)
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if !debugModeEnabled {
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// Clear all flags to skip log output formatting step to increase
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// performance somewhat if we're not logging anything
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Logger.SetFlags(0)
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}
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Logger.Println("Started logger")
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return Logger, nil
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}
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