Fixes an issue with conversion of images that was introduced by exception refactoring. This makes the exceptions when trying to locate an ec2 id clearer and also adds some tests for the conversion methods.

bin/nova-manage

@@ -972,7 +972,7 @@ class ImageCommands(object):
         try:
             internal_id = ec2utils.ec2_id_to_id(old_image_id)
             image = self.image_service.show(context, internal_id)
-        except exception.NotFound:
+        except (exception.InvalidEc2Id, exception.ImageNotFound):
             image = self.image_service.show_by_name(context, old_image_id)
         return image['id']
 

nova/tests/test_api.py

@@ -28,10 +28,12 @@ import StringIO
 import webob
 
 from nova import context
+from nova import exception
 from nova import test
 from nova.api import ec2
-from nova.api.ec2 import cloud
 from nova.api.ec2 import apirequest
+from nova.api.ec2 import cloud
+from nova.api.ec2 import ec2utils
 from nova.auth import manager
 
 
@@ -101,6 +103,21 @@ class XmlConversionTestCase(test.TestCase):
         self.assertEqual(conv('-0'), 0)
 
 
+class Ec2utilsTestCase(test.TestCase):
+    def test_ec2_id_to_id(self):
+        self.assertEqual(ec2utils.ec2_id_to_id('i-0000001e'), 30)
+        self.assertEqual(ec2utils.ec2_id_to_id('ami-1d'), 29)
+
+    def test_bad_ec2_id(self):
+        self.assertRaises(exception.InvalidEc2Id,
+                          ec2utils.ec2_id_to_id,
+                          'badone')
+
+    def test_id_to_ec2_id(self):
+        self.assertEqual(ec2utils.id_to_ec2_id(30), 'i-0000001e')
+        self.assertEqual(ec2utils.id_to_ec2_id(29, 'ami-%08x'), 'ami-0000001d')
+
+
 class ApiEc2TestCase(test.TestCase):
     """Unit test for the cloud controller on an EC2 API"""
     def setUp(self):