Merged with r561

1 files changed, 18 insertions, 14 deletions

diff --git a/nova/api/ec2/cloud.py b/nova/api/ec2/cloud.py
index c7ee8eae8..630aaeaf2 100644
--- a/nova/api/ec2/cloud.py
+++ b/nova/api/ec2/cloud.py
@@ -75,17 +75,13 @@ def _gen_key(context, user_id, key_name):
 
 
 def ec2_id_to_id(ec2_id):
-    """Convert an ec2 ID (i-[base 36 number]) to an instance id (int)"""
-    return int(ec2_id[2:], 36)
+    """Convert an ec2 ID (i-[base 16 number]) to an instance id (int)"""
+    return int(ec2_id.split('-')[-1], 16)
 
 
-def id_to_ec2_id(instance_id):
-    """Convert an instance ID (int) to an ec2 ID (i-[base 36 number])"""
-    digits = []
-    while instance_id != 0:
-        instance_id, remainder = divmod(instance_id, 36)
-        digits.append('0123456789abcdefghijklmnopqrstuvwxyz'[remainder])
-    return "i-%s" % ''.join(reversed(digits))
+def id_to_ec2_id(instance_id, template='i-%08x'):
+    """Convert an instance ID (int) to an ec2 ID (i-[base 16 number])"""
+    return template % instance_id
 
 
 class CloudController(object):
@@ -544,6 +540,8 @@ class CloudController(object):
         return self.compute_api.get_ajax_console(context, internal_id)
 
     def describe_volumes(self, context, volume_id=None, **kwargs):
+        if volume_id:
+            volume_id = [ec2_id_to_id(x) for x in volume_id]
         volumes = self.volume_api.get_all(context)
         # NOTE(vish): volume_id is an optional list of volume ids to filter by.
         volumes = [self._format_volume(context, v) for v in volumes
@@ -559,7 +557,7 @@ class CloudController(object):
             instance_data = '%s[%s]' % (instance_ec2_id,
                                         volume['instance']['host'])
         v = {}
-        v['volumeId'] = volume['id']
+        v['volumeId'] = id_to_ec2_id(volume['id'], 'vol-%08x')
         v['status'] = volume['status']
         v['size'] = volume['size']
         v['availabilityZone'] = volume['availability_zone']
@@ -577,7 +575,8 @@ class CloudController(object):
                                    'device': volume['mountpoint'],
                                    'instanceId': instance_ec2_id,
                                    'status': 'attached',
-                                   'volume_id': volume['ec2_id']}]
+                                   'volumeId': id_to_ec2_id(volume['id'],
+                                                            'vol-%08x')}]
         else:
             v['attachmentSet'] = [{}]
 
@@ -596,10 +595,12 @@ class CloudController(object):
         return {'volumeSet': [self._format_volume(context, dict(volume))]}
 
     def delete_volume(self, context, volume_id, **kwargs):
+        volume_id = ec2_id_to_id(volume_id)
         self.volume_api.delete(context, volume_id)
         return True
 
     def update_volume(self, context, volume_id, **kwargs):
+        volume_id = ec2_id_to_id(volume_id)
         updatable_fields = ['display_name', 'display_description']
         changes = {}
         for field in updatable_fields:
@@ -610,18 +611,21 @@ class CloudController(object):
         return True
 
     def attach_volume(self, context, volume_id, instance_id, device, **kwargs):
+        volume_id = ec2_id_to_id(volume_id)
+        instance_id = ec2_id_to_id(instance_id)
         LOG.audit(_("Attach volume %s to instacne %s at %s"), volume_id,
                   instance_id, device, context=context)
         self.compute_api.attach_volume(context, instance_id, volume_id, device)
         volume = self.volume_api.get(context, volume_id)
         return {'attachTime': volume['attach_time'],
                 'device': volume['mountpoint'],
-                'instanceId': instance_id,
+                'instanceId': id_to_ec2_id(instance_id),
                 'requestId': context.request_id,
                 'status': volume['attach_status'],
-                'volumeId': volume_id}
+                'volumeId': id_to_ec2_id(volume_id, 'vol-%08x')}
 
     def detach_volume(self, context, volume_id, **kwargs):
+        volume_id = ec2_id_to_id(volume_id)
         LOG.audit(_("Detach volume %s"), volume_id, context=context)
         volume = self.volume_api.get(context, volume_id)
         instance = self.compute_api.detach_volume(context, volume_id)
@@ -630,7 +634,7 @@ class CloudController(object):
                 'instanceId': id_to_ec2_id(instance['id']),
                 'requestId': context.request_id,
                 'status': volume['attach_status'],
-                'volumeId': volume_id}
+                'volumeId': id_to_ec2_id(volume_id, 'vol-%08x')}
 
     def _convert_to_set(self, lst, label):
         if lst == None or lst == []: