4:51 a.m.
To support vlan tagged virtual network, kimchi needs create the underlying
vlan and bridge interface. Libvirt's interface driver can do it with
a given XML definition. This patch targets to generate the XML according
to the interface and vlan id.
Signed-off-by: Mark Wu <wudxw(a)linux.vnet.ibm.com>
---
src/kimchi/networkxml.py | 19 +++++++++++++++++++
tests/test_networkxml.py | 22 ++++++++++++++++++++++
tests/utils.py | 6 ++++++
3 files changed, 47 insertions(+)
diff --git a/src/kimchi/networkxml.py b/src/kimchi/networkxml.py
index 786cb69..63cb210 100644
--- a/src/kimchi/networkxml.py
+++ b/src/kimchi/networkxml.py
@@ -21,6 +21,10 @@
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import ipaddr
+import lxml.etree as ET
+
+
+from lxml.builder import E
# FIXME, do not support ipv6
@@ -109,3 +113,18 @@ def to_network_xml(**kwargs):
</network>
""" % params
return xml
+
+
+def create_vlan_tagged_bridge_xml(bridge, interface, vlan_id):
+ vlan = E.vlan(E.interface(name=interface))
+ vlan.set('tag', vlan_id)
+ m = E.interface(
+ E.start(mode='onboot'),
+ E.bridge(
+ E.interface(
+ vlan,
+ type='vlan',
+ name='.'.join([interface, vlan_id]))),
+ type='bridge',
+ name=bridge)
+ return ET.tostring(m)
diff --git a/tests/test_networkxml.py b/tests/test_networkxml.py
index 3073bce..42b3ea9 100644
--- a/tests/test_networkxml.py
+++ b/tests/test_networkxml.py
@@ -25,6 +25,9 @@ import unittest
import kimchi.networkxml as nxml
+import utils
+
+
from kimchi.xmlutils import xpath_get_text
@@ -151,3 +154,22 @@ class NetworkXmlTests(unittest.TestCase):
netmask = xpath_get_text(xml, "/network/ip/@netmask")[0]
self.assertEquals(netmask,
str(ipaddr.IPNetwork(params["net"]).netmask))
+
+
+class InterfaceXmlTests(unittest.TestCase):
+
+ def test_vlan_tagged_bridge_no_ip(self):
+ expected_xml = """
+ <interface type='bridge' name='br10'>
+ <start mode='onboot'/>
+ <bridge>
+ <interface type='vlan' name='em1.10'>
+ <vlan tag='10'>
+ <interface name='em1'/>
+ </vlan>
+ </interface>
+ </bridge>
+ </interface>
+ """
+ actual_xml = nxml.create_vlan_tagged_bridge_xml('br10', 'em1',
'10')
+ self.assertEquals(actual_xml, utils.normalize_xml(expected_xml))
diff --git a/tests/utils.py b/tests/utils.py
index 008f668..79fc2e2 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -32,6 +32,7 @@ import unittest
from contextlib import closing
+from lxml import etree
import kimchi.server
@@ -159,3 +160,8 @@ def patch_auth():
import kimchi.auth
kimchi.auth.authenticate = _authenticate
+
+
+def normalize_xml(xml_str):
+ return etree.tostring(etree.fromstring(xml_str,
+ etree.XMLParser(remove_blank_text=True)))
--
1.8.4.2