Bug 457977 - libvirt: need way to pass options to dnsmasq
libvirt: need way to pass options to dnsmasq
Product: Fedora
Classification: Fedora
Component: libvirt (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Daniel Veillard
Fedora Extras Quality Assurance
Depends On:
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Reported: 2008-08-05 17:28 EDT by Matt Domsch
Modified: 2009-07-14 10:55 EDT (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2009-07-14 10:55:52 EDT
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Description Matt Domsch 2008-08-05 17:28:08 EDT
Description of problem:
libvirt starts dnsmasq with a set of options.  To enable guest boot from iSCSI direct, it would be beneficial to specify, via a DHCP option, the iSCSI target a specific guest should boot from.

Something like this dnsmasq command line option is needed:

--dhcp-option=17,” iscsi:” 

but note, this is on a per-guest basis.  dnsmasq seems not to have a way to updates its configuration information during runtime, so changes made via libvirt would require restarting dnsmasq to pick up those changes.

Version-Release number of selected component (if applicable):
Comment 1 Daniel Berrange 2008-08-06 05:58:08 EDT
We don't currently have any XML syntax for specifying DHCP options with the libvirt networking config. So this will first entail figuring out a good way to represent this capability. Then as you say there's a impl detail of needing to update dnsmasq's config and/or restart it. This is something that'll need to be discussed on upstream libvirt mailing list further
Comment 2 Bug Zapper 2009-06-09 22:23:09 EDT
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Comment 3 Bug Zapper 2009-07-14 10:55:52 EDT
Fedora 9 changed to end-of-life (EOL) status on 2009-07-10. Fedora 9 is 
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