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37 lines
785 B
Go
37 lines
785 B
Go
// +build debug
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package khepri
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import (
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"fmt"
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"io"
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"log"
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"os"
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"path/filepath"
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"time"
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)
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var debugLogger = initDebugLogger()
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func initDebugLogger() *log.Logger {
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// create new log file
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filename := fmt.Sprintf("khepri-lib-debug-%d-%s",
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os.Getpid(), time.Now().Format("20060201-150405"))
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path := filepath.Join(os.TempDir(), filename)
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f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE, 0600)
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if err != nil {
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fmt.Fprintf(os.Stderr, "unable to create debug log file: %v", err)
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os.Exit(2)
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}
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// open logger
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l := log.New(io.MultiWriter(os.Stderr, f), "DEBUG: ", log.LstdFlags)
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fmt.Fprintf(os.Stderr, "debug log for khepri library activated, writing log file %s\n", path)
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return l
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}
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func debug(fmt string, args ...interface{}) {
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debugLogger.Printf(fmt, args...)
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}
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