[Openstack-operators] Setting default dns server entry for VM

Juan José Pavlik Salles jjpavlik at gmail.com
Wed May 15 13:21:30 UTC 2013


I did that using quantum-dhcp-agent, you just need to set the nameserver
for the network if i'm not wrong. Then during the dhcp request the VM get
the dns also.


2013/5/15 Shyam Goud <shyam.todeti at oneconvergence.com>

> All,
>
> I am trying to set VM's default dns_server to 8.8.8.8 in my openstack
> configs.
>
> I am using Quantum + Grizzly
>
> Added these entries
> in /etc/quantum/dhcp_agent.ini
> > dnsmasq_dns_server=8.8.8.8
> source: http://docs.openstack.org/**trunk/openstack-network/admin/**
> content/dhcp_agent_ini.html<http://docs.openstack.org/trunk/openstack-network/admin/content/dhcp_agent_ini.html>
>
> in /etc/quantum/quantum.conf
> > # Maximum number of DNS nameservers per subnet
> > max_dns_nameservers = 5
>
> But still its not set.
>
> root at vm1:~# cat /etc/resolv.conf
> # Dynamic resolv.conf(5) file for glibc resolver(3) generated by
> resolvconf(8)
> #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
> nameserver 172.16.0.2
> search openstacklocal
> root at vm1:~#
>
> Please let me know is there any way to achieve this ? (I don't want to
> login to every VM and set it manually in /etc/resolv.conf)
>
> Thanks,
> Shyam.
>
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-- 
Pavlik Salles Juan José
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