Comment 2 for bug 1301279
Revision history for this message
| Adam Gandelman (gandelman-a) wrote Re: Changing nodes properties after it's deployed will count as available resources in Nova | #2 |
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1b1ed1a
(Get the code!)
The issue here is that the ironic nova driver attempts to calculate total node resources AND the used resources. However, calculating the the amount of resources available in the presence of an instance is handled by nova's resource_tracker and that overrides the *_used keys we set in the driver:
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If the properties of an Ironic node change while it is associated with an instance, I think the best we can do is lie about available resources until the instance has been deleted and the resource tracker hits the node when it is unused.