[openstack-dev] [cinder][nova] Update attachments on replication failover
John Griffith
john.griffith8 at gmail.com
Mon Feb 26 21:52:57 UTC 2018
On Mon, Feb 26, 2018 at 2:47 PM, Matt Riedemann <mriedemos at gmail.com> wrote:
> On 2/26/2018 9:28 PM, John Griffith wrote:
>
>> I'm also wondering how much of the extend actions we can leverage here,
>> but I haven't looked through all of that yet.
>>
>
> The os-server-external-events API in nova is generic. We'd just add a new
> microversion to register a new tag for this event. Like the extend volume
> event, the volume ID would be provided as input to the API and nova would
> use that to identify the instance + volume to refresh on the compute host.
>
> We'd also register a new instance action / event record so that users
> could poll the os-instance-actions API for completion of the operation.
Yeah, it seems like this would be pretty handy with what's there. So are
folks good with that? Wanted to make sure there's nothing contentious
there before I propose a spec on the Nova and Cinder sides. If you think
it seems at least worth proposing I'll work on it and get something ready
as a welcome home from Dublin gift for everyone :)
>
>
> --
>
> Thanks,
>
> Matt
>
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