Nova is working on adding multi-cell aware support to the compute API. A
side effect of this is we can now have a chicken-and-egg situation
during deployment such that if your tooling is depending on the compute
API to list compute hosts, for example, before running the
discover_hosts command, nothing will actually show up. This is because
to list compute hosts, like using 'nova hypervisor-list', we get those
from the cells now and until you run discover_hosts, they aren't mapped
to a cell.
The solution is to use "nova service-list --binary nova-compute" instead
of "nova hypervisor-list" since we can pull services from all cells
before the hosts are mapped using discover_hosts.
I have a patch up to update our docs and add a release note:
https://review.openstack.org/#/c/456923/
I'll be updating the official install guide docs later.
Note that this is master branch (Pike) only, this does not impact Ocata.
--
Thanks,
Matt
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