[openstack-dev] [heat] heat delete woes in Juno

pcrews gleebix at gmail.com
Thu Mar 26 20:04:23 UTC 2015


Regarding item #3:
I have mainly seen this issue on stacks that have been snapshotted:
https://bugs.launchpad.net/heat/+bug/1412965

In such cases, the only way to avoid (afaik) is for the owner to 
manually delete the snapshots prior to deleting the stack.  Heat tries 
to auto-delete snapshots and hangs otherwise.

On 03/26/2015 11:17 AM, Matt Fischer wrote:
> Nobody on the operators list had any ideas on this, so re-posting here.
>
> We've been having some issues with heatdelete-stack in Juno. The issues
> generally fall into three categories:
>
> 1) it takes multiple calls to heat to delete a stack. Presumably due
> to heat being unable to figure out the ordering on deletion and
> resources being in use.
>
> 2) undeleteable stacks. Stacks that refuse to delete, get stuck in
> DELETE_FAILED state. In this case, they show up in stack-list and
> stack-show, yet resource-list and stack-delete deny their existence.
> This means I can't be sure whether they have any real resources very easily.
>
> 3) As a corollary to item 1, stacks for which heat can never unwind the
> dependencies and stay in DELETE_IN_PROGRESS forever.
>
> Does anyone have any work-arounds for these or recommendations on
> cleanup? My main worry is removing a stack from the database that is
> still consuming the customer's resources. I also don't just want to
> remove stacks from the database and leave orphaned records in the DB.
>
>
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