[openstack-dev] [Heat] Continue discussing multi-region orchestration
sdake at redhat.com
Fri Nov 15 20:55:27 UTC 2013
On 11/15/2013 01:41 PM, Zane Bitter wrote:
> Good news, everyone! I have created the missing whiteboard diagram
> that we all needed at the design summit:
> I've documented 5 possibilities. (1) is the current implementation,
> which we agree we want to get away from. I strongly favour (2) for the
> reasons listed. I don't think (3) has many friends. (4) seems to be
> popular despite the obvious availability problem and doubts that it is
> even feasible. Finally, I can save us all some time by simply stating
> that I will -2 on sight any attempt to implement (5).
1 status quo isn't terrible
2 +2 simple robust
3 -2 this means another daemon and seems overly complex
4 I don't think it will be possible to allow VM->heat communication for
things like signaling. Without signaling, this is DOA
5 seems complex to implement and I don't see a clear path to get there
from where we are today
Out of the options, #2 looks like the best choice.
I would -2 option #3 if I saw it hit the review queue.
> When we're discussing this, please mention explicitly the number of
> the model you are talking about at any given time.
> If you have a suggestion for a different model, make your own diagram!
> jk, you can sketch it or something for me and I'll see if I can add it.
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