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exec.go
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exec.go
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package system
import (
"io"
"os/exec"
"github.com/sirupsen/logrus"
)
// RunOSCommand properly executes a system command
// and writes the output to the provided logger
func RunOSCommand(cmd *exec.Cmd, logger *logrus.Logger) error {
logger.WithFields(logrus.Fields{
"Arguments": cmd.Args,
"Dir": cmd.Dir,
"Path": cmd.Path,
"Env": cmd.Env,
}).Debug("Running Command")
outputWriter := logger.Writer()
cmdErr := RunAndCaptureOSCommand(cmd,
outputWriter,
outputWriter,
logger)
closeErr := outputWriter.Close()
if closeErr != nil {
logger.WithField("closeError", closeErr).Warn("Failed to close OS command writer")
}
return cmdErr
}
// RunAndCaptureOSCommand runs the given command and
// captures the stdout and stderr
func RunAndCaptureOSCommand(cmd *exec.Cmd,
stdoutWriter io.Writer,
stderrWriter io.Writer,
logger *logrus.Logger) error {
logger.WithFields(logrus.Fields{
"Arguments": cmd.Args,
"Dir": cmd.Dir,
"Path": cmd.Path,
"Env": cmd.Env,
}).Debug("Running Command")
cmd.Stdout = stdoutWriter
cmd.Stderr = stderrWriter
return cmd.Run()
}