Bug 636115 - RFE: dnsmasq: rewrite dnsmasq integration to work with a single system instance
Summary: RFE: dnsmasq: rewrite dnsmasq integration to work with a single system instance
Keywords:
Status: CLOSED DEFERRED
Alias: None
Product: Virtualization Tools
Classification: Community
Component: libvirt
Version: unspecified
Hardware: All
OS: Linux
low
medium
Target Milestone: ---
Assignee: Libvirt Maintainers
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: libvirtTodoNetwork
TreeView+ depends on / blocked
 
Reported: 2010-09-21 14:28 UTC by Daniel Berrangé
Modified: 2016-05-02 14:18 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-05-02 14:18:08 UTC


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Description Daniel Berrangé 2010-09-21 14:28:53 UTC
Description of problem:
Upstream dnsmasq offered to extend its functionality to allow libvirt to drop in configuration for a single system instance. This will avoid the problem of clashing dnsmsaq processes on a single host.

Version-Release number of selected component (if applicable):


How reproducible:


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Comment 1 serge 2015-08-27 17:00:21 UTC
Hi,

commit http://libvirt.org/git/?p=libvirt.git;a=commit;h=df3de82c06d42fed832c1955dafdee85879bd15a

changed behavior to always start dnsmasq if ip addresses are defined.  There is no keyword (that I can find) to tell libvirt "don't start a dnsmasq for this bridge, I want to run one myself".  Is adding such a keyword ok, or is it nacked on principle?

Comment 2 Cole Robinson 2016-03-20 23:13:08 UTC
(In reply to serge from comment #1)
> Hi,
> 
> commit
> http://libvirt.org/git/?p=libvirt.git;a=commit;
> h=df3de82c06d42fed832c1955dafdee85879bd15a
> 
> changed behavior to always start dnsmasq if ip addresses are defined.  There
> is no keyword (that I can find) to tell libvirt "don't start a dnsmasq for
> this bridge, I want to run one myself".  Is adding such a keyword ok, or is
> it nacked on principle?

serge if your issue was never resolved I suggest starting a thread on libvir-list instead, it will probably get a better response

Comment 3 Cole Robinson 2016-03-20 23:14:40 UTC
I know we've reworked dnsmasq code quite a bit over the years, but we still haven't gotten around to using a single system dnsmasq instance and I don't really hear people clamoring for it... is this even still relevant?

Comment 4 Cole Robinson 2016-05-02 14:18:08 UTC
Just re-iterating that I don't really see us reworking the network driver to work like this. Maybe we could make it an optional config to use a single system daemon, but since it doesn't sound like there's many requests for this feature and the work isn't exactly forthcoming I don't see the benefit in tracking it here


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