[Openstack] Changing DNS on Nova Network
Joshua.Skains at evault.com
Fri Aug 2 16:49:01 UTC 2013
Found out the problem was far simpler to correct, but possibly exposes a bug.
I made the changes to flat network dns server entry in nova.conf, but nova-network does NOT properly restart dnsmasq. I actually had to killall dnsmasq and then restart nova-network.
Now dnsmasq is properly querying our DNS servers.
From: Ritesh Nanda <riteshnanda09 at gmail.com<mailto:riteshnanda09 at gmail.com>>
Date: Thursday, August 1, 2013 11:13 PM
To: Joshua Skains <joshua.skains at evault.com<mailto:joshua.skains at evault.com>>
Cc: "openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>" <openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>>
Subject: Re: [Openstack] Changing DNS on Nova Network
Hello , or rather you can create a dnsmasq file , specifying it in nova.conf , --dnsmasq_config_file=/etc/nova/dnsmasq.conf and in dnsmasq file giving option as dhcp-option=6,<dnsserverip>, so every machine would get that dns.
Even for different internal networks you can give different dns using this file.
On Fri, Aug 2, 2013 at 12:00 AM, Joshua Skains <Joshua.Skains at evault.com<mailto:Joshua.Skains at evault.com>> wrote:
root at devops8:~# nova-manage network list
id IPv4 IPv6 start address DNS1 DNS2 VlanID project uuid
1 10.27.254.0/26<http://10.27.254.0/26> None 10.27.254.2 184.108.40.206 None None None 7426b017-f60e-4870-b81e-055cc657ec3d
I need to change DNS1 to another address. How can I do that without deleting the entire thing (which is impossible with 20 Vms on there)? I have searched the docs and it seems not to specify.
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