common: use humanize_exception for aborted activities

circle/storage/models.py

@@ -33,7 +33,9 @@ from sizefield.models import FileSizeField
 
 from .tasks import local_tasks, storage_tasks
 from celery.exceptions import TimeoutError
-from common.models import WorkerNotFound, HumanReadableException
+from common.models import (
+    WorkerNotFound, HumanReadableException, humanize_exception
+)
 
 logger = logging.getLogger(__name__)
 
@@ -404,10 +406,11 @@ class Disk(TimeStampedModel):
             try:
                 result = remote.get(timeout=5)
                 break
-            except TimeoutError:
+            except TimeoutError as e:
                 if task is not None and task.is_aborted():
                     AbortableAsyncResult(remote.id).abort()
-                    raise Exception("Download aborted by user.")
+                    raise humanize_exception(ugettext_noop(
+                        "Operation aborted by user."), e)
         disk.size = result['size']
         disk.type = result['type']
         disk.is_ready = True
@@ -477,11 +480,12 @@ class Disk(TimeStampedModel):
             try:
                 remote.get(timeout=5)
                 break
-            except TimeoutError:
+            except TimeoutError as e:
                 if task is not None and task.is_aborted():
                     AbortableAsyncResult(remote.id).abort()
                     disk.destroy()
-                    raise Exception("Save as aborted by use.")
+                    raise humanize_exception(ugettext_noop(
+                        "Operation aborted by user."), e)
         disk.is_ready = True
         disk.save()
         return disk

circle/vm/models/instance.py

@@ -41,7 +41,9 @@ from model_utils.models import TimeStampedModel, StatusModel
 from taggit.managers import TaggableManager
 
 from acl.models import AclBase
-from common.models import create_readable, HumanReadableException
+from common.models import (
+    create_readable, HumanReadableException, humanize_exception
+)
 from common.operations import OperatedMixin
 from ..tasks import vm_tasks, agent_tasks
 from .activity import (ActivityInProgressError, instance_activity,
@@ -877,10 +879,11 @@ class Instance(AclBase, VirtualMachineDescModel, StatusModel, OperatedMixin,
         while True:
             try:
                 return remote.get(timeout=step)
-            except TimeoutError:
+            except TimeoutError as e:
                 if task is not None and task.is_aborted():
                     AbortableAsyncResult(remote.id).abort()
-                    raise Exception("Shutdown aborted by user.")
+                    raise humanize_exception(ugettext_noop(
+                        "Operation aborted by user."), e)
 
     def suspend_vm(self, timeout=230):
         queue_name = self.get_remote_queue_name('vm', 'slow')