openstack team mailing list archive

[Jason Kölker <jkoelker@xxxxxxxxxxxxx>]

On Mon, 2011-10-10 at 16:07 -0400, Sharif Islam wrote:
> I am still stuck with this problem: my instances can ping only with ip
> addresses. I deleted nova-network and created it again and then fired up
> an instance. But still resolv.conf shows nameserver 10.0.1.1. I only
> have one instance running now, this is not the route looks (a.b.c.d is
> my public ip. v.x.y.z  is my nova network host):
> 
> # iptables -L -t nat|grep 10.0
> DNAT       all  --  anywhere             a.b.c.d to:10.0.1.2
> ACCEPT     all  --  10.0.0.0/8           10.128.0.0/24
> ACCEPT     all  --  10.0.0.0/8           10.0.0.0/8
> DNAT       all  --  anywhere             a.b.c.d to:10.0.1.2
> SNAT       all  --  10.0.1.2             anywhere            to:a.b.c.d
> SNAT       all  --  10.0.0.0/8           anywhere            to:v.x.y.z
> 
> 
> mysql> select * from networks \G
> *************************** 1. row ***************************
>          created_at: 2011-10-10 18:32:06
>          updated_at: 2011-10-10 18:32:54
>          deleted_at: NULL
>             deleted: 0
>                  id: 24
>            injected: 0
>                cidr: 10.0.1.0/24
>             netmask: 255.255.255.0
>              bridge: br100
>             gateway: 10.0.1.1
>           broadcast: 10.0.1.255
>                 dns: 8.8.4.4
>                vlan: NULL
>  vpn_public_address: NULL
>     vpn_public_port: NULL
> vpn_private_address: NULL
>          dhcp_start: 10.0.1.2
>          project_id: NULL
>                host: i26
>             cidr_v6: NULL
>          gateway_v6: NULL
>               label: public
>          netmask_v6: NULL
> 1 row in set (0.00 sec)
> 
> root@i-00000499:~# cat /etc/resolv.conf
> domain novalocal
> search novalocal
> nameserver 10.0.1.1
> 
> How does nova assign the nameserver to the VMs? Can I change it someone
> so it has 8.8.4.4?


I assume you are using Vlan or Flatdhcp? If so add --dns-server=8.8.4.4
to your flags file. The network managers that use dnsmasq do not respect
the db entries.

Happy Hacking!

7-11