[Libguestfs] [PATCH v3 5/8] v2v: -o libvirt: Add virtio-rng, balloon and pvpanic to output XML (RHBZ#1438794).

When outputting libvirt XML, create virtio-rng, a memory balloon device, and a pvpanic device, if the guest supports it. Thanks: Daniel Berrangé for advice on memballoon --- v2v/create_libvirt_xml.ml | 26 ++++++++++++++++++++++++++ v2v/test-v2v-i-ova.xml | 4 ++++ 2 files changed, 30 insertions(+) diff --git a/v2v/create_libvirt_xml.ml b/v2v/create_libvirt_xml.ml index fc7196595..246cacd21 100644 --- a/v2v/create_libvirt_xml.ml +++ b/v2v/create_libvirt_xml.ml @@ -338,6 +338,32 @@ let create_libvirt_xml ?pool source target_buses guestcaps [] in append devices sound; + (* Miscellaneous KVM devices. *) + if guestcaps.gcaps_virtio_rng then + push_back devices ( + e "rng" ["model", "virtio"] [ + (* XXX Using /dev/urandom requires libvirt >= 1.3.4. Libvirt + * was broken before that. + *) + e "backend" ["model", "random"] [PCData "/dev/urandom"] + ] + ); + (* For the balloon device, libvirt adds an implicit device + * unless we use model='none', hence this: + *) + push_back devices ( + e "memballoon" + ["model", + if guestcaps.gcaps_virtio_balloon then "virtio" else "none"] + [] + ); + if guestcaps.gcaps_isa_pvpanic then + push_back devices ( + e "panic" ["model", "isa"] [ + e "address" ["type", "isa"; "iobase", "0x505"] [] + ] + ); + (* Standard devices added to every guest. *) append devices [ e "input" ["type", "tablet"; "bus", "usb"] []; diff --git a/v2v/test-v2v-i-ova.xml b/v2v/test-v2v-i-ova.xml index 1a31c44d5..4b5f615c9 100644 --- a/v2v/test-v2v-i-ova.xml +++ b/v2v/test-v2v-i-ova.xml @@ -37,6 +37,10 @@ <model type='qxl' ram='65536' heads='1'/> </video> <graphics type='vnc' autoport='yes' port='-1'/> + <rng model='virtio'> + <backend model='random'>/dev/urandom</backend> + </rng> + <memballoon model='virtio'/> <input type='tablet' bus='usb'/> <input type='mouse' bus='ps2'/> <console type='pty'/> -- 2.12.0