1 files changed, 37 insertions, 4 deletions
diff --git a/nova/exception.py b/nova/exception.py
index 56c20d111..f3a452228 100644
--- a/nova/exception.py
+++ b/nova/exception.py
@@ -65,7 +65,7 @@ class BuildInProgress(Error):
 
 class DBError(Error):
     """Wraps an implementation specific exception."""
-    def __init__(self, inner_exception):
+    def __init__(self, inner_exception=None):
         self.inner_exception = inner_exception
         super(DBError, self).__init__(str(inner_exception))
 
@@ -122,7 +122,7 @@ class NotAuthorized(NovaException):
     message = _("Not authorized.")
 
     def __init__(self, *args, **kwargs):
-        super(NotFound, self).__init__(**kwargs)
+        super(NotAuthorized, self).__init__(**kwargs)
 
 
 class AdminRequired(NotAuthorized):
@@ -271,6 +271,14 @@ class VolumeNotFoundForInstance(VolumeNotFound):
     message = _("Volume not found for instance %(instance_id)s.")
 
 
+class SnapshotNotFound(NotFound):
+    message = _("Snapshot %(snapshot_id)s could not be found.")
+
+
+class VolumeIsBusy(Error):
+    message = _("deleting volume %(volume_name)s that has snapshot")
+
+
 class ExportDeviceNotFoundForVolume(NotFound):
     message = _("No export device found for volume %(volume_id)s.")
 
@@ -283,6 +291,15 @@ class DiskNotFound(NotFound):
     message = _("No disk at %(location)s")
 
 
+class InvalidImageRef(Invalid):
+    message = _("Invalid image href %(image_href)s.")
+
+
+class ListingImageRefsNotSupported(Invalid):
+    message = _("Some images have been stored via hrefs."
+        + " This version of the api does not support displaying image hrefs.")
+
+
 class ImageNotFound(NotFound):
     message = _("Image %(image_id)s could not be found.")
 
@@ -359,6 +376,10 @@ class NoFloatingIpsDefinedForInstance(NoFloatingIpsDefined):
     message = _("Zero floating ips defined for instance %(instance_id)s.")
 
 
+class NoMoreFloatingIps(NotFound):
+    message = _("Zero floating ips available.")
+
+
 class KeypairNotFound(NotFound):
     message = _("Keypair %(keypair_name)s not found for user %(user_id)s")
 
@@ -465,11 +486,19 @@ class ZoneNotFound(NotFound):
     message = _("Zone %(zone_id)s could not be found.")
 
 
-class SchedulerHostFilterDriverNotFound(NotFound):
-    message = _("Scheduler Host Filter Driver %(driver_name)s could"
+class SchedulerHostFilterNotFound(NotFound):
+    message = _("Scheduler Host Filter %(filter_name)s could not be found.")
+
+
+class SchedulerCostFunctionNotFound(NotFound):
+    message = _("Scheduler cost function %(cost_fn_str)s could"
                 " not be found.")
 
 
+class SchedulerWeightFlagNotFound(NotFound):
+    message = _("Scheduler weight flag not found: %(flag_name)s")
+
+
 class InstanceMetadataNotFound(NotFound):
     message = _("Instance %(instance_id)s has no metadata with "
                 "key %(metadata_key)s.")
@@ -556,3 +585,7 @@ class InstanceExists(Duplicate):
 
 class MigrationError(NovaException):
     message = _("Migration error") + ": %(reason)s"
+
+
+class MalformedRequestBody(NovaException):
+    message = _("Malformed message body: %(reason)s")