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 <ekirpic...@gmail.com>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 <aro...@nicira.com> 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 <ekirpic...@gmail.com> > > wrote: > >> > >> Thanks. And how will n-net react? > >> > >> > >> > >> 18.08.2012, в 0:43, Aaron Rosen <aro...@nicira.com> 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 <ekirpic...@gmail.com > > > >> 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@lists.launchpad.net > >>> 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@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp >
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