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Chris Dent a63d0223e9 Add placement.concurrent_udpate to generation pre-checks
We have two kinds of generation conflicts that happen (for both
resource providers and consumers). In
I5a164a0ee298846231113ad7b62b82a3e8f1f409 error codes are added for
conflicts that happen when incrementing the generation in the database.s

In this change the codes are added for those situations where in code we
are checking an incoming generation against the stored generation.

Since there are incoming genearations in this case, we can add tests
so this does, via gabbi.

Change-Id: I5ed005068c1c19194ed67556376604ae90727412
2018-07-11 15:56:12 +01:00
2017-11-24 16:51:12 -05:00
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OpenStack Nova

OpenStack Nova provides a cloud computing fabric controller, supporting a wide variety of compute technologies, including: libvirt (KVM, Xen, LXC and more), Hyper-V, VMware, XenServer, OpenStack Ironic and PowerVM.

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OpenStack resource provider inventory allocation service
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