Lorin, Diego, I wrote up a pastebin of setting up an example dnsmasq.conf file, setting it within nova.conf, patching linux_net.py (in stable/essex), and showing the example dhcp leases file which set custom values for the router, ntp-server, and dns-server using the dnsmasq conf and tags based on the network label field within the network defined within nova. The same process should work with both FlatDHCP or VLANManager.
http://paste.openstack.org/show/18471/ Thanks, Nate On Mon, Jun 11, 2012 at 10:17 PM, Lorin Hochstein <lo...@nimbisservices.com> wrote: > Hey Nate: > > On Jun 11, 2012, at 2:17 PM, Nathanael Burton wrote: > > dnsmasq supports setting parameters such as the gateway IP and other > settings based on tag. I have run a patched version of nova-network in the > Diablo time that used the network DB label field as the network tag in > dnsmasq. This then allows you to set custom configs by modifying the > dnsmasq.conf file. This was done with VLANmanager. > > > > Are you able to share an exampleof a dnsmasq.conf file that uses tags to > handle different config settings per network/VLAN? > > > Take care, > > Lorin > -- > Lorin Hochstein > Lead Architect - Cloud Services > Nimbis Services, Inc. > www.nimbisservices.com > > > > Thanks > > Nate > > On Jun 11, 2012 2:09 PM, "Lorin Hochstein" <lo...@nimbisservices.com> wrote: >> >> >> On Jun 4, 2012, at 8:22 PM, romi zhang wrote: >> >> Hi, >> >> I am using VLAN network mode and will connect eth1 and eth2 of my compute >> node to the LAN Switch, and LAN switch will create individual VLAN IP >> interface for each Tenant/VLAN and then route to the NAT equipment,through >> SNAT/DNAT to touch internet. So, that needs I can set the default gateway of >> each Tenant VLAN to the different IP address of VLAN interface on the >> switch. >> >> >> I have the same question, I would love to know if you can set the gateways >> in VLAN mode. >> >> >> For example, my first tenant(auto0Tenant) is at VLAN200/br200/eth1/fix_ip >> range is 192.168.2.0/28 and second(aotu1Tenant) is >> VLAN300/br300/eth2/fix_ip_range 192.168.3.0/28, the VLAN interface ip >> address for them on switch is 192.168.2.9 and 192.168.3.9, I want to set the >> default gateway of VMs in auto0Tenant to 192.168.2.9 and 192.168.3.9 for >> aotu1Tenant’s VMs. >> >> I try to use two methods, the first is to use nova-command: >> >> nova-manage network create --label=auto0Tenat >> --fixed_range_v4=192.168.2.0/28 --num_networks=1 --gateway=192.168.2.9 >> --dns1=61.139.2.69 --vlan=200 --bridge=br200 --bridge_interface=eth1 >> --network_size=16 --multi_host=T >> --project_id=5f9281bca6854fe3974a457d81afd78c >> >> nova-manage network create --label=aotu1Tenant >> --fixed_range_v4=192.168.3.0/28 --num_networks=1 --gateway=192.168.3.9 >> --dns1=61.139.2.69 --vlan=300 --bridge=br300 --bridge_interface=eth2 >> --network_size=16 --multi_host=T >> --project_id=5f9281bca6854fe3974a457d81afd78c >> >> but the result is the newest created VM default gateway is still the IP >> address of br200 or br300 by the system, that means the factor of “gateway” >> and “dns1” in nova-mange network command did not work. >> >> The second way is to use dnsmasq.conf that Vish told me, that I set just >> dhcp_option=3,192.168.2.9. Yes it is useful for auto0Tenat VLAN, it can set >> auto0Tenant gateway to 192.168.2.9, but how to set others at the same time? >> >> Then I tried to use: >> >> Interface=vlan200 >> dhcp_option=3,192.168.2.9 >> >> Interface=vlan300 >> dhcp_option=3,192.168.3.9 >> >> >> >> Does it actually work to specify multiple interfaces in the dnsmasq conf >> file like that? I would have thought that the second values would override >> the first ones. >> >> >> Take care, >> >> Lorin >> -- >> Lorin Hochstein >> Lead Architect - Cloud Services >> Nimbis Services, Inc. >> www.nimbisservices.com >> >> >> >> >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : openstack@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >> > _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
