Open Stack

On Sun, Aug 23, 2015 at 8:23 PM, Daniel Speichert <daniel at speichert.pl>
wrote:

> On 8/22/2015 23:24, Balaji Narayanan (பாலாஜி நாராயணன்) wrote:
> > Hello Operators,
> >
> > In the capacity management discussions at the Ops Summit last week, I
> > thought there was a some discussion on monitoring of fixed / floating
> > subnets and availability.
> >
> > At Yahoo, we use nova-network and have an API extension available for
> > reporting how much ip subnets are configured on a cluster and how much
> > of them are used / remaining. We use this to trigger an alert /
> > augment additional subnets to the cluster.
> >
> > If there is enough interest in this, we can look at pushing this upstrem.
> >
> > Here is a blue print that vilobh wrote initially for this -
> > https://review.openstack.org/#/c/94299/
> This sounds like a very useful extension, considering there's really no
> quotas for IP addresses and IPs are a scarce resource.
> I'm aware of multiple big private cloud operators using custom scripts
> to generate reports of available IP addresses.
>
> I'm pretty sure an extension like this would be great for neutron (I'm
> not using nova-network). Considering that most networking scenarios
> (flat, provider networks, floating IPs with L3) have subnets as a
> resource in neutron, with allocation pools, it seems enough to create an
> extension that would provide statistics for a subnet or summary
> statistics for all subnets within a network if so requested.
>
> I can work on a new blueprint version for neutron.
>

There already is one.

Code:
https://review.openstack.org/#/c/212955/

RFE bug:
https://bugs.launchpad.net/neutron/+bug/1457986

Blueprint:
https://blueprints.launchpad.net/neutron/+spec/network-ip-usage-api

Spec:
https://review.openstack.org/#/c/180803/5/specs/liberty/network-ip-usage-api.rst


>
> Regards,
> Daniel Speichert
>
>
>
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