openstack team mailing list archive

[hitesh wadekar <hitesh.wadekar@xxxxxxxxx>]

Oh..I see.

I look forward to see your code for it :)

Thanks,
Hitesh

On Tue, Aug 21, 2012 at 11:27 AM, Eugene Kirpichov <ekirpichov@xxxxxxxxx>wrote:

> Heh, that's an article by my colleague Piotr Siwczak, which I already
> read very thouroughly during the review process - but thanks ;)
>
> Actually I already found the answer to my question and added it to the
> documentation (when the codereview is completed) - it was related to
> nova-dhcpbridge script.
>
> On Mon, Aug 20, 2012 at 10:21 PM, hitesh wadekar
> <hitesh.wadekar@xxxxxxxxx> wrote:
> > May be this article will help.
> >
> >
> http://www.mirantis.com/blog/openstack-networking-flatmanager-and-flatdhcpmanager/
> >
> > Thanks,
> > Hitesh
> >
> >
> > On Tue, Aug 21, 2012 at 3:16 AM, Eugene Kirpichov <ekirpichov@xxxxxxxxx>
> > wrote:
> >>
> >> Hi,
> >>
> >> I found the code. It's a dnsmasq dhcp-script called by dnsmasq for
> >> various events, it resides in nova/bin/nova-dhcpbridge and it, among
> >> other things, calls release_fixed_ip when the lease expires.
> >>
> >> On Sat, Aug 18, 2012 at 1:01 AM, Aaron Rosen <arosen@xxxxxxxxxx> wrote:
> >> > Hi Eugene,
> >> >
> >> > I'm not sure I have not looked at the code (I'm guessing that it
> >> > probably
> >> > keeps the lease around since it knows the VM is still active instead
> of
> >> > recycling the ip address). Though this is just a guess. You should
> look
> >> > at
> >> > the implementation details if you are curious.
> >> >
> >> > Aaron
> >> >
> >> >
> >> > On Sat, Aug 18, 2012 at 3:48 AM, Eugene Kirpichov <
> ekirpichov@xxxxxxxxx>
> >> > wrote:
> >> >>
> >> >> Thanks. And how will n-net react?
> >> >>
> >> >>
> >> >>
> >> >> 18.08.2012, в 0:43, Aaron Rosen <arosen@xxxxxxxxxx> написал(а):
> >> >>
> >> >> Hi Eugene,
> >> >>
> >> >> This means that if a VM stops it's DHCP client that nova-network will
> >> >> be
> >> >> aware of this since the VM will not attempt to renew it's DHCP lease.
> >> >>
> >> >> Aaron
> >> >>
> >> >> On Fri, Aug 17, 2012 at 5:58 PM, Eugene Kirpichov
> >> >> <ekirpichov@xxxxxxxxx>
> >> >> wrote:
> >> >>>
> >> >>> Hi,
> >> >>>
> >> >>> The documentation
> >> >>>
> >> >>>
> >> >>>
> http://docs.openstack.org/diablo/openstack-compute/admin/content/configuring-flat-dhcp-networking.html
> >> >>> has the passage: "The nova-network service will track leases and
> >> >>> releases in the database so it knows if a VM instance has stopped
> >> >>> properly configuring via DHCP"
> >> >>>
> >> >>> Can someone briefly explain me what this means, if possible with
> rough
> >> >>> pointers to code?
> >> >>> I don't recall nova noticing when my VM actually stopped properly
> >> >>> configuring via DHCP.
> >> >>>
> >> >>> --
> >> >>> Eugene Kirpichov
> >> >>> http://www.linkedin.com/in/eugenekirpichov
> >> >>>
> >> >>> _______________________________________________
> >> >>> Mailing list: https://launchpad.net/~openstack
> >> >>> Post to     : openstack@xxxxxxxxxxxxxxxxxxx
> >> >>> Unsubscribe : https://launchpad.net/~openstack
> >> >>> More help   : https://help.launchpad.net/ListHelp
> >> >>
> >> >>
> >> >
> >>
> >>
> >>
> >> --
> >> Eugene Kirpichov
> >> http://www.linkedin.com/in/eugenekirpichov
> >>
> >> _______________________________________________
> >> Mailing list: https://launchpad.net/~openstack
> >> Post to     : openstack@xxxxxxxxxxxxxxxxxxx
> >> Unsubscribe : https://launchpad.net/~openstack
> >> More help   : https://help.launchpad.net/ListHelp
> >
> >
>
>
>
> --
> Eugene Kirpichov
> http://www.linkedin.com/in/eugenekirpichov
>