From ea65ce8a97cda17407e4f6a34699736d5e9afb0f Mon Sep 17 00:00:00 2001
From: Nikos Skalkotos <skalkoto@grnet.gr>
Date: Wed, 25 Jun 2014 11:44:12 +0300
Subject: [PATCH] Add check_version method in OSBase
This method can be used to compare the OS version against one specified
by the user.
---
image_creator/os_type/__init__.py | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/image_creator/os_type/__init__.py b/image_creator/os_type/__init__.py
index 00cbbf0..bd3ae62 100644
--- a/image_creator/os_type/__init__.py
+++ b/image_creator/os_type/__init__.py
@@ -401,6 +401,23 @@ class OSBase(object):
if not silent:
self.out.success('done')
+ def check_version(self, major, minor):
+ """Checks the OS version against the one specified by the major, minor
+ tuple.
+
+ Returns:
+ < 0 if the OS version is smaller than the specified one
+ = 0 if they are equal
+ > 0 if it is greater
+ """
+ guestfs = self.image.g
+ for a, b in ((guestfs.inspect_get_major_version(self.root), major),
+ (guestfs.inspect_get_minor_version(self.root), minor)):
+ if a != b:
+ return a - b
+
+ return 0
+
def _is_sysprep(self, obj):
"""Checks if an object is a sysprep"""
return getattr(obj, 'sysprep', False) and callable(obj)
--
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