packer-cn/log.go
Sander van Harmelen 1fbadb4de9 Fix debug logging
The change done in #3964 causes the if statement to check if debug logging should be enabled to always pass.
2016-10-07 21:10:20 +02:00

30 lines
661 B
Go

package main
import (
"io"
"os"
)
// These are the environmental variables that determine if we log, and if
// we log whether or not the log should go to a file.
const EnvLog = "PACKER_LOG" //Set to True
const EnvLogFile = "PACKER_LOG_PATH" //Set to a file
// logOutput determines where we should send logs (if anywhere).
func logOutput() (logOutput io.Writer, err error) {
logOutput = nil
if os.Getenv(EnvLog) != "" && os.Getenv(EnvLog) != "0" {
logOutput = os.Stderr
if logPath := os.Getenv(EnvLogFile); logPath != "" {
var err error
logOutput, err = os.Create(logPath)
if err != nil {
return nil, err
}
}
}
return
}