Re: [Libvir] [RFC]OpenVZ XML def

On Tue, Mar 13, 2007 at 10:57:23PM +0530, Shuveb Hussain wrote: In the Xen / QEMU drivers we just stick this as an 'id' attribute on the top level <domain> - it looks reasonable to follow the same scheme for OpenVZ Is this attribute refering to whether the guest auto-starts at boot time ? If so we recently introduced an explicit API for querying and changing this separately from the XML int virDomainGetAutostart (virDomainPtr domain, int *autostart); int virDomainSetAutostart (virDomainPtr domain, int autostart); These APIs can be implmented per-driver I'm not very familiar with way OpenVZ deals with OS installs / virtual disk images. Could you explain a little how these map into underling OpenVZ implementation - and what they end up doing on disk ? For networking we need to figure out an XML format that more closely maps to the existing network formats seen by Xen / QEMU drivers. Reading the docs, the default networking config seems to map all OpenVZ guests onto a 'venet0' bridge device which certainly has a common feel to Xen / QEMU. It sounds like it is possible to do either manual or DHCP style address configuration too. I think we need to express networking in a form closer to something like <devices> <interface type='bridge'> <hostname>openvzhost</hostname> <ip address='192.168.1.101' netmask='255.255.255.0' gateway='192.168.1.1' /> <nameserver>192.168.1.1</nameserver> <nameserver>202.56.250.5</nameserver> </interface> </devices> You've probably guessed, that as a general rule we try to figure out XML syntax that works in the same way across all backend drivers. Of course OpenVZ has some unique concepts of its own which is fine, but other areas like networking does share some level of common semantics so where possible we should take advantage of the commonality. Regards, Dan. -- |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=| |=- Perl modules: http://search.cpan.org/~danberr/ -=| |=- Projects: http://freshmeat.net/~danielpb/ -=| |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=|