openstack/trove
Code Issues Proposed changes

Merge "Updating Flavor Resize Restrictions"

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Jenkins 2015-03-30 15:02:38 +00:00 committed by Gerrit Code Review
commit 98734800f6
1 changed files with 9 additions and 12 deletions
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21
trove/instance/models.py
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@ -847,31 +847,28 @@ class Instance(BuiltInstance):
{'instance_id': self.id, 'flavor_id': new_flavor_id})
if self.db_info.cluster_id is not None:
raise exception.ClusterInstanceOperationNotSupported()
# Validate that the flavor can be found and that it isn't the same size
# as the current one.
# Validate that the old and new flavor IDs are not the same, new flavor
# can be found and has ephemeral/volume support if required by the
# current flavor.
if self.flavor_id == new_flavor_id:
raise exception.BadRequest(_("The new flavor id must be different "
"than the current flavor id of '%s'.")
% self.flavor_id)
client = create_nova_client(self.context)
try:
new_flavor = client.flavors.get(new_flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=new_flavor_id)
old_flavor = client.flavors.get(self.flavor_id)
new_flavor_size = new_flavor.ram
old_flavor_size = old_flavor.ram
if self.volume_support:
if new_flavor.ephemeral != 0:
raise exception.LocalStorageNotSupported()
if new_flavor_size == old_flavor_size:
raise exception.CannotResizeToSameSize()
elif self.device_path is not None:
# ephemeral support enabled
if new_flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=new_flavor_id)
if (new_flavor_size == old_flavor_size and
new_flavor.ephemeral == new_flavor.ephemeral):
raise exception.CannotResizeToSameSize()
elif new_flavor_size == old_flavor_size:
# uses local storage
raise exception.CannotResizeToSameSize()
# Set the task to RESIZING and begin the async call before returning.
self.update_db(task_status=InstanceTasks.RESIZING)