Add rpm_installed function

Signed-off-by: Martin J. Bligh <mbligh@google.com>



git-svn-id: http://test.kernel.org/svn/autotest/trunk@738 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/client/bin/autotest_utils.py b/client/bin/autotest_utils.py
index b7ebc2a..507396f 100755
--- a/client/bin/autotest_utils.py
+++ b/client/bin/autotest_utils.py
@@ -525,3 +525,12 @@
 def running_os_ident():
 	(version, timestamp) = running_os_release()
 	return version + '::' + timestamp
+
+
+def rpm_installed(package):
+	# Test if a package is installed or not
+	try:
+		system('rpm -q ' + package)
+	except:
+		return False
+	return True