[Bug 981269] [NEW] instance_type is still set as a property value of "none" even when flavors cannot be retrieved

Launchpad Bug Tracker 981269 at bugs.launchpad.net
Fri Jan 25 17:00:58 UTC 2013


You have been subscribed to a public bug by Yaguang Tang (heut2008):

[Impact]

 * horizon throw errors when view horizon/syspanel/instances/ page with deleted
   flavor still in use by instances.

 * try to get flavor info through the flavor.get api,this can retrive the deleted
   flavor info.

[Test Case]

 * Launch an instance of flavor m1.tiny
   on controller node do: nova flavor-delete m1.tiny, and wait for it to succeed.
   on horizon look at the state of the machines, http://horizon-system:port/horizon/
   syspanel/instances/ and wait for it to fail because horizon can not find the flavor
   m1.tiny and therefore can not report the status and details of the instance in
   question.

[Regression Potential]

 * This is a backport from upstream.

In Nova dashboard and Syspanel dashboard if the flavor of an instance
cannot be retrieved the property .full_flavor will still be set to
"None". If there is no error retrieving flavors and a flavor has been
deleted, this can cause a large traceback in the table rendering as
get_size checks if the instance object hasattr() "full_flavor" instead
of for the individual values to display in the "Size" column.

Attached is a potential fix.  I have also included an alternate code
path that will directly query the API for a flavor's information if it
is not present in the full_flavors list(); this can occur if a flavor
has been deleted as api.nova.flavors_list() only returns flavors that
are not deleted.

** Affects: horizon
     Importance: Medium
     Assignee: Ke Wu (ke-wu)
         Status: Fix Released

** Affects: openstack-dashboard (Ubuntu)
     Importance: Medium
     Assignee: Yaguang Tang (heut2008)
         Status: In Progress


** Tags: deleted flavors patch
-- 
instance_type is still set as a property value of "none" even when flavors cannot be retrieved
https://bugs.launchpad.net/bugs/981269
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