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conf: Allow usernet to have an address

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=1075520

Currently, all that users can specify for an interface type of
'user' is the common attributes: PCI address, NIC model (and
that's basically it). However, some need to configure other
address range than the default one.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: laine@laine.org
This commit is contained in:
Michal Privoznik 2017-09-13 10:47:52 +02:00
parent ea9741f600
commit d1dbb30782
5 changed files with 62 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
docs/formatdomain.html.in
View File

@ -4695,7 +4695,15 @@
starting from <code>10.0.2.15</code>. The default router will be
<code>10.0.2.2</code> and the DNS server will be <code>10.0.2.3</code>.
This networking is the only option for unprivileged users who need their
VMs to have outgoing access.
VMs to have outgoing access. <span class="since">Since 3.8.0</span>
it is possible to override the default network address by
including an <code>ip</code> element specifying an IPv4
address in its one mandatory attribute, <code>address</code>.
Optionally, a second <code>ip</code> element with a
<code>family</code> attribute set to "ipv6" can be
specified to add an IPv6 address to the interface.
<code>address</code>. Optionally, address
<code>prefix</code> can be specified.
</p>
<pre>
@ -4705,6 +4713,8 @@
...
&lt;interface type='user'&gt;
&lt;mac address="00:11:22:33:44:55"/&gt;
&lt;ip family='ipv4' address='172.17.2.0' prefix='24'/&gt;
&lt;ip family='ipv6' address='2001:db8:ac10:fd01::' prefix='64'/&gt;
&lt;/interface&gt;
&lt;/devices&gt;
...</pre>

9
src/qemu/qemu_domain.c
View File

@ -3342,7 +3342,14 @@ qemuDomainDeviceDefValidate(const virDomainDeviceDef *dev,
if (dev->type == VIR_DOMAIN_DEVICE_NET) {
const virDomainNetDef *net = dev->data.net;
if (net->guestIP.nroutes || net->guestIP.nips) {
if (net->type == VIR_DOMAIN_NET_TYPE_USER) {
if (net->guestIP.nroutes) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Invalid attempt to set network interface "
"guest-side IP route, not supported by QEMU"));
goto cleanup;
}
} else if (net->guestIP.nroutes || net->guestIP.nips) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Invalid attempt to set network interface "
"guest-side IP route and/or address info, "

41
tests/qemuxml2argvdata/qemuxml2argv-net-user-addr.xml Normal file
View File

@ -0,0 +1,41 @@
<domain type='qemu'>
<name>QEMUGuest1</name>
<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
<memory unit='KiB'>219136</memory>
<currentMemory unit='KiB'>219136</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='i686' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu-system-i686</emulator>
<disk type='block' device='disk'>
<driver name='qemu' type='raw'/>
<source dev='/dev/HostVG/QEMUGuest1'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<controller type='usb' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='ide' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<controller type='pci' index='0' model='pci-root'/>
<interface type='user'>
<mac address='00:11:22:33:44:55'/>
<ip address='172.17.2.0' family='ipv4' prefix='24'/>
<ip address='2001:db8:ac10:fd01::' family='ipv6' prefix='64'/>
<model type='rtl8139'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<memballoon model='none'/>
</devices>
</domain>

1
tests/qemuxml2xmloutdata/qemuxml2xmlout-net-user-addr.xml Symbolic link
View File

@ -0,0 +1 @@
../qemuxml2argvdata/qemuxml2argv-net-user-addr.xml

1
tests/qemuxml2xmltest.c
View File

@ -531,6 +531,7 @@ mymain(void)
DO_TEST("misc-uuid", NONE);
DO_TEST("net-vhostuser", NONE);
DO_TEST("net-user", NONE);
DO_TEST("net-user-addr", QEMU_CAPS_NETDEV);
DO_TEST("net-virtio", NONE);
DO_TEST("net-virtio-device", NONE);
DO_TEST("net-virtio-disable-offloads", NONE);