driver libvirt doesn't honor vif quota

[Sylvain Afchain]

Driver libvirt does not seem to read the extra_specs field of flavors. Thus there is no bandwidth tag in the generated libvirt xml file.

# nova flavor-show m1.nano
+----------------------------+---------------------------------------------------------------------------------+
| Property | Value |
+----------------------------+---------------------------------------------------------------------------------+
| name | m1.nano |
| ram | 64 |
| OS-FLV-DISABLED:disabled | False |
| vcpus | 1 |
| extra_specs | {u'quota:vif_inbound_peak': u'102400', u'quota:vif_inbound_average': u'102400'} |
| swap | |
| os-flavor-access:is_public | True |
| rxtx_factor | 1.0 |
| OS-FLV-EXT-DATA:ephemeral | 0 |
| disk | 0 |
| id | 42 |
+----------------------------+---------------------------------------------------------------------------------+

# nova boot --flavor m1.nano --image 2f624a03-baf2-4a57-9a44-44357c178281 vm1
# cat /var/run/libvirt/qemu/instance-00000001.xml

...
      <interface type='bridge'>
        <mac address='fa:16:3e:59:f0:62'/>
        <source bridge='qbr634535f0-e8'/>
        <target dev='tap634535f0-e8'/>
        <model type='virtio'/>
        <driver name='qemu'/>
        <alias name='net0'/>
        <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
      </interface>
....

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/30906

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/32711

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/32711
Committed: http://github.com/openstack/nova/commit/08f8773b9a4fe7fea248b4501230ebd6e6ef2fde
Submitter: Jenkins
Branch: master

commit 08f8773b9a4fe7fea248b4501230ebd6e6ef2fde
Author: Yassine Lamgarchal <email address hidden>
Date: Mon Jun 10 14:47:57 2013 +0200

    Add inst_type parameter

    Add inst_type parameter in order to generate the bandwidth tag into
    the libvirt configuration.

    Change-Id: I63c1fb51ea637d461755b309c7464f4b4d49a4b2
    Fixes: bug #1185030

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/grizzly
Review: https://review.openstack.org/38402

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/38402
Committed: http://github.com/openstack/nova/commit/2c1061df8e4ac1a228d79b5ed9c331035fa08d72
Submitter: Jenkins
Branch: stable/grizzly

commit 2c1061df8e4ac1a228d79b5ed9c331035fa08d72
Author: Yassine Lamgarchal <email address hidden>
Date: Mon Jun 10 14:47:57 2013 +0200

    Add inst_type parameter

    Add inst_type parameter in order to generate the bandwidth tag into
    the libvirt configuration.

    Change-Id: I63c1fb51ea637d461755b309c7464f4b4d49a4b2
    Fixes: bug #1185030
    (cherry picked from commit 08f8773b9a4fe7fea248b4501230ebd6e6ef2fde)