[openstack-dev] Heat dependency visualisation

Zane Bitter zbitter at redhat.com
Tue Sep 16 18:19:54 UTC 2014


On 16/09/14 02:49, Qiming Teng wrote:
>> Nice. What would be even nicer is a change to python-heatclient so that
>> heat resource-list has an option to output in dotfile format.
>
> +1.
>
> It would also be interesting to check if the dependency analysis is
> capable of exploding a resource-group.  Say I have a ResourceGroup where
> each resource in the group is a Nova server that referencing the same
> Neutron security group.  A naive analysis will show that the
> ResourceGroup is referencing the security group, but the fact is that
> each Nova server is depending on the SecurityGroup individually.

FWIW the "naive analysis" is actually how it works internally 
(dependencies don't cross nested stack boundaries), at least for now.

- ZB

> Similarly, it would be interesting to see how this tool is handling
> nested stacks.
>
> Regards,
>    - Qiming




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