Log and return stdout/stderr consistency

pkg/minikube/command/exec_runner.go

@@ -18,6 +18,7 @@ package command
 
 import (
 	"bytes"
+	"fmt"
 	"io"
 	"os"
 	"os/exec"
@@ -39,7 +40,7 @@ type ExecRunner struct{}
 // RunCmd implements the Command Runner interface to run a exec.Cmd object
 func (*ExecRunner) RunCmd(cmd *exec.Cmd) (*RunResult, error) {
 	rr := &RunResult{Args: cmd.Args}
-	glog.Infof("(ExecRunner) Run:  %v", rr.Command())
+	glog.Infof("Run: %v", rr.Command())
 
 	var outb, errb io.Writer
 	if cmd.Stdout == nil {
@@ -62,19 +63,19 @@ func (*ExecRunner) RunCmd(cmd *exec.Cmd) (*RunResult, error) {
 	start := time.Now()
 	err := cmd.Run()
 	elapsed := time.Since(start)
-	if err == nil {
-		// Reduce log spam
-		if elapsed > (1 * time.Second) {
-			glog.Infof("(ExecRunner) Done: %v: (%s)", rr.Command(), elapsed)
-		}
-	} else {
-		if exitError, ok := err.(*exec.ExitError); ok {
-			rr.ExitCode = exitError.ExitCode()
-		}
-		glog.Infof("(ExecRunner) Non-zero exit: %v: %v (%s)\n%s", rr.Command(), err, elapsed, rr.Output())
-		err = errors.Wrapf(err, "command failed: %s\nstdout: %s\nstderr: %s", rr.Command(), rr.Stdout.String(), rr.Stderr.String())
+
+	if exitError, ok := err.(*exec.ExitError); ok {
+		rr.ExitCode = exitError.ExitCode()
 	}
-	return rr, err
+	// Decrease log spam
+	if elapsed > (1 * time.Second) {
+		glog.Infof("Exit %d for %v: (%s)", rr.Command(), elapsed)
+	}
+	if err == nil {
+		return rr, nil
+	}
+
+	return rr, fmt.Errorf("%s: %v\nstdout: %s\nstderr: %s", rr.Command(), err, rr.Stdout.String(), rr.Stderr.String())
 }
 
 // Copy copies a file and its permissions