Fix SystemError and env lookup

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

utils.go

@@ -5,6 +5,8 @@ import (
 	"os"
 
 	"github.com/Sirupsen/logrus"
+	"github.com/codegangsta/cli"
+	"github.com/opencontainers/runtime-spec/specs-go"
 )
 
 // fatal prints the error's details if it is a libcontainer specific error type
@@ -15,3 +17,25 @@ func fatal(err error) {
 	fmt.Fprintln(os.Stderr, err)
 	os.Exit(1)
 }
+
+// setupSpec performs inital setup based on the cli.Context for the container
+func setupSpec(context *cli.Context) (*specs.Spec, error) {
+	bundle := context.String("bundle")
+	if bundle != "" {
+		if err := os.Chdir(bundle); err != nil {
+			return nil, err
+		}
+	}
+	spec, err := loadSpec(specConfig)
+	if err != nil {
+		return nil, err
+	}
+	notifySocket := os.Getenv("NOTIFY_SOCKET")
+	if notifySocket != "" {
+		setupSdNotify(spec, notifySocket)
+	}
+	if os.Geteuid() != 0 {
+		return nil, fmt.Errorf("runc should be run as root")
+	}
+	return spec, nil
+}