[Openstack-operators] Problems (simple ones) at scale... Invisible VMs.
Simon Pasquier
spasquier at mirantis.com
Thu May 19 09:25:45 UTC 2016
In fact, both of you are correct. When passing '--limit -1' to the Nova
client, it will issue multiple requests to the API using the --marker
option until it receives no more data [1]. So the server-side limit
(osapi_max_limit parameter) isn't by-passed, it's just the client that
deals with it.
BR,
Simon
[1]
https://github.com/openstack/python-novaclient/blob/stable/mitaka/novaclient/v2/servers.py#L723-L755
On Thu, May 19, 2016 at 2:28 AM, David Medberry <openstack at medberry.net>
wrote:
> I don't think --marker does at all what I want. The --limit -1 does doe
> multiple successive queries (with a marker) automagically returning a
> single list as CLI output to nova list. That really IS what I want (and
> what some of our automation is written around.)
>
> Thanks!
>
> On Wed, May 18, 2016 at 5:26 PM, James Downs <egon at egon.cc> wrote:
>
>> On Wed, May 18, 2016 at 04:37:42PM -0600, David Medberry wrote:
>>
>> > It seems to bypass it... or I'm running into a LOWER limit
>> (undocumented).
>> > So help on limit -1 says it is still limited by osapi_max_limit
>>
>> You're looking for:
>>
>> --marker <marker> The last server UUID of the previous page;
>> displays list of servers after "marker".
>>
>> This is much faster than increasing the size of results, at least in
>> sufficiently
>> large environments.
>>
>> Cheers,
>> -j
>>
>
>
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