uvtool-multi-bridge.diff

uvtool: support multiple bridges, eg: --bridge br0 --bridge br1

live patching: patch -p0 -d /usr/lib/python2.7/dist-packages < /path/to/uvtool-multi-bridge.diff

=== modified file 'uvtool/libvirt/kvm.py'
--- uvtool/libvirt/kvm.py	2014-04-01 11:27:14 +0000
+++ uvtool/libvirt/kvm.py	2014-09-19 18:06:20 +0000
@@ -257,7 +257,8 @@
 
 
 def compose_domain_xml(name, volumes, cpu=1, memory=512, unsafe_caching=False,
-        template_path=DEFAULT_TEMPLATE, log_console_output=False, bridge=None):
+        template_path=DEFAULT_TEMPLATE, log_console_output=False,
+        bridge_list=None):
     tree = etree.parse(template_path)
     domain = tree.getroot()
     assert domain.tag == 'domain'
@@ -299,13 +300,14 @@
                 )
             )
 
-    if bridge:
+    if bridge_list:
         etree.strip_elements(devices, 'interface')
-        devices.append(E.interface(
-                         E.source(bridge=bridge),
-                         E.model(type='virtio'),
-                         type='bridge'),
-                      )
+        for bridge in bridge_list:
+            devices.append(E.interface(
+                            E.source(bridge=bridge),
+                            E.model(type='virtio'),
+                            type='bridge'),
+                        )
 
     if log_console_output:
         print(
@@ -333,7 +335,7 @@
 
 def create(hostname, filters, user_data_fobj, meta_data_fobj, memory=512,
            cpu=1, disk=2, unsafe_caching=False, template_path=DEFAULT_TEMPLATE,
-           log_console_output=False, bridge=None, backing_image_file=None):
+           log_console_output=False, bridge_list=None, backing_image_file=None):
     if backing_image_file is None:
         base_volume_name = get_base_image(filters)
     undo_volume_creation = []
@@ -359,7 +361,7 @@
 
         xml = compose_domain_xml(
             hostname, [main_vol, ds_vol],
-            bridge=bridge,
+            bridge_list=bridge_list,
             cpu=cpu,
             log_console_output=log_console_output,
             memory=memory,
@@ -526,7 +528,7 @@
     create(
         args.hostname, args.filters, user_data_fobj, meta_data_fobj,
         backing_image_file=abs_image_backing_file,
-        bridge=args.bridge,
+        bridge_list=args.bridge,
         cpu=args.cpu,
         disk=args.disk,
         log_console_output=args.log_console_output,
@@ -658,7 +660,7 @@
     create_subparser.add_argument('--memory', default=512, type=int)
     create_subparser.add_argument('--cpu', default=1, type=int)
     create_subparser.add_argument('--disk', default=8, type=int)
-    create_subparser.add_argument('--bridge')
+    create_subparser.add_argument('--bridge', action='append')
     create_subparser.add_argument('--unsafe-caching', action='store_true')
     create_subparser.add_argument(
         '--user-data', type=argparse.FileType('rb'))