--- virt-cluster/vc/vcutil.py	2012/08/27 11:46:35	1
+++ virt-cluster/vc/vcutil.py	2012/08/31 10:40:38	10
@@ -1,23 +1,36 @@
-import subprocess
-
-class CommandError(subprocess.CalledProcessError):
-        def __init__(self,retcode,command,output):
-                subprocess.CalledProcessError.__init__(self,retcode,command)
-                self.output=output
-        def __str__(self):
-             return "Command '%s' returned non-zero exit status %d:\n%s" % (self.cmd, self.returncode,self.output)
-
-def execute(command, ignore_error = False, fork = False ):
-	stdout = subprocess.PIPE
-	stderr = subprocess.STDOUT	
-	if fork:
-		stdout = None
-		stderr = None
-        process=subprocess.Popen(command,stdout=stdout,stderr=stderr,shell=True, universal_newlines = True,executable="/bin/bash")
-	if fork:
-		return None
-        output = process.communicate()
-        retcode = process.poll()
-        if retcode and not ignore_error:
-                raise CommandError(retcode, command, output[0])
-        return output
+#
+# BonFIRE Virtual Clusters on Federated Clouds Demonstration Kit
+#
+# Copyright (c) Fundacion Centro Tecnologico de Supercomputacion de Galicia 2012
+# 
+# License GPL Version 3
+#
+# The research leading to these results has received funding from 
+# the European Community's Seventh Framework Programme (FP7/2007-2013) 
+# under agreement number 257386
+#
+# This software is provided with ABSOLUTELY NO WARRANTY
+# 
+import subprocess
+
+class CommandError(subprocess.CalledProcessError):
+        def __init__(self,retcode,command,output):
+                subprocess.CalledProcessError.__init__(self,retcode,command)
+                self.output=output
+        def __str__(self):
+             return "Command '%s' returned non-zero exit status %d:\n%s" % (self.cmd, self.returncode,self.output)
+
+def execute(command, ignore_error = False, fork = False ):
+	stdout = subprocess.PIPE
+	stderr = subprocess.STDOUT	
+	if fork:
+		stdout = None
+		stderr = None
+        process=subprocess.Popen(command,stdout=stdout,stderr=stderr,shell=True, universal_newlines = True,executable="/bin/bash")
+	if fork:
+		return None
+        output = process.communicate()
+        retcode = process.poll()
+        if retcode and not ignore_error:
+                raise CommandError(retcode, command, output[0])
+        return output