add macvtap support : create macvtap virtual net, add/edit instance network for macvtap

instances/templates/instances/settings_tab.html

@@ -353,6 +353,7 @@
                                     <input name="set_link_state" value="{{ network.state }}" hidden/>
                                     <input type="checkbox" {% if network.state == 'up' %} checked{% endif %} onclick='submit();' />
                                     <strong>{% trans 'active' %}</strong>
+                                    <small>{{ network.type }}</small>
                                 </form>
                             </td>
                             <th class="d-none d-table-cell d-sm-table-cell">{% trans 'MAC' %}</th>
@@ -390,10 +391,10 @@
                                                         <input class="form-control" type="text" value="{{ network.nic }}" readonly/>
                                                         <select class="form-control" name="net-source-{{ forloop.counter0 }}">
                                                             {% for c_net in networks_host %}
-                                                                <option value="net:{{ c_net }}" {% if c_net == network.nic %} selected {% endif %}>{% trans 'Network' %} {{ c_net }}</option>
+                                                            <option value="net:{{ c_net }}" {% if c_net == network.nic %} selected {% endif %}>{% trans 'Network' %} {{ c_net }}</option>
                                                             {% endfor %}
                                                             {% for c_iface in interfaces_host %}
-                                                                <option value="iface:{{ c_iface }}" {% if c_iface == network.nic %} selected {% endif %}>{% trans 'Interface' %} {{ c_iface }}</option>
+                                                            <option value="iface:{{ c_iface }}" {% if c_iface == network.nic %} selected {% endif %}>{% trans 'Interface' %} {{ c_iface }}</option>
                                                             {% endfor %}
                                                         </select>
                                                     </div>                                      
@@ -405,7 +406,7 @@
                                                         <select class="form-control" name="net-nwfilter-{{ forloop.counter0 }}">
                                                             <option value="">{% trans "None" %}</option>
                                                             {% for c_filters in nwfilters_host %}
-                                                                <option value="{{ c_filters }}" {% if c_filters == network.filterref  %} selected {% endif %}>{{ c_filters }}</option>
+                                                            <option value="{{ c_filters }}" {% if c_filters == network.filterref  %} selected {% endif %}>{{ c_filters }}</option>
                                                             {% endfor %}
                                                         </select>
                                                     </div>
@@ -462,7 +463,11 @@
                             </td>
                         </tr>
                         <tr>
-                            <td class="bg-primary" colspan="9"></td>
+                            <td class="py-1 bg-primary text-white" colspan="9">
+                                {% if network.type == 'direct' %}
+                                <small>{% trans 'In most configurations, macvtap does not work for host to guest network communication' %}</small>
+                                {% endif %}
+                            </td>
                         </tr>
                     {% endfor %}
                     </tbody>

instances/views.py

@@ -965,8 +965,8 @@ def set_qos(request, pk):
     else:
         messages.success(
             request,
-            _(f"{qos_dir.capitalize()} QoS is set. Network XML is changed.") +
+            _(f"{qos_dir.capitalize()} QoS is set. Network XML is changed. \
-            _("Stop and start network to activate new config"),
+                Stop and start network to activate new config.")
         )
 
     return redirect(request.META.get('HTTP_REFERER') + '#network')
@@ -984,8 +984,8 @@ def unset_qos(request, pk):
     else:
         messages.success(
             request,
-            _(f"{qos_dir.capitalize()} QoS is deleted. Network XML is changed. ") +
+            _(f"{qos_dir.capitalize()} QoS is deleted. Network XML is changed. \
-            _("Stop and start network to activate new config."),
+                Stop and start network to activate new config.")
         )
     return redirect(request.META.get('HTTP_REFERER') + '#network')
 

networks/forms.py

@@ -46,7 +46,7 @@ class AddNetPool(forms.Form):
 
     def clean_bridge_name(self):
         bridge_name = self.cleaned_data['bridge_name']
-        if self.cleaned_data['forward'] == 'bridge':
+        if self.cleaned_data['forward'] in ['bridge', 'macvtap']:
             have_symbol = re.match('^[a-zA-Z0-9\.\_\:\-]+$', bridge_name)
             if not have_symbol:
                 raise forms.ValidationError(_('The pool bridge name must not contain any special characters'))

networks/templates/create_net_block.html

@@ -28,6 +28,7 @@
                                     <option value="route">{% trans "ROUTE" %}</option>
                                     <option value="none">{% trans "ISOLATE" %}</option>
                                     <option value="bridge">{% trans "BRIDGE" %}</option>
+                                    <option value="macvtap">{% trans "MACVTAP" %}</option>
                                 </select>
                             </div>
                         </div>
@@ -55,25 +56,25 @@
                                 <input type="checkbox" id="enable_ipv6" name="enable_ipv6" value="false">
                             </div>
                         </div>
-                        <div class="form-group row bridge_name_form_group_dhcp ipv6_group">
+                        <div class="form-group row ipv6_group">
                             <label class="col-sm-4 col-form-label">{% trans "IPv6 Subnet pool" %}</label>
                             <div class="col-sm-6">
                                 <input type="text" class="form-control" name="subnet6" value="" placeholder="fd00:dead:baba:1::/64" required pattern="[0-9\/\.]+">
                             </div>
                         </div>
-                        <div class="form-group row bridge_name_form_group_dhcp ipv6_group">
+                        <div class="form-group row ipv6_group">
                             <label class="col-sm-4 col-form-label">{% trans "DHCPv6" %}</label>
                             <div class="col-sm-6">
                                 <input type="checkbox" name="dhcp6" value="true">
                             </div>
                         </div>
                         <div class="form-group row bridge_name_form_group">
-                            <label class="col-sm-4 col-form-label">{% trans "Bridge Name" %}</label>
+                            <label class="col-sm-4 col-form-label" id="bridge_label">{% trans "Bridge Name" %}</label>
                             <div class="col-sm-6">
-                                <input type="text" class="form-control" name="bridge_name" placeholder="br0" pattern="[a-z0-9\-_:]+">
+                                <input type="text" class="form-control" name="bridge_name" id="bridge_name" placeholder="br0" pattern="[a-z0-9\-_:]+">
                             </div>
                         </div>
-                        <div class="form-group row bridge_name_form_group">
+                        <div class="form-group row bridge_name_form_group openvswitch">
                             <label class="col-sm-4 col-form-label">{% trans "Open vSwitch" %}</label>
                             <div class="col-sm-6">
                                 <input type="checkbox" name="openvswitch" value="true">
@@ -89,3 +90,4 @@
         </div> <!-- /.modal-dialog -->
     </div> <!-- /.modal -->
 {% endif %}
+

networks/templates/network.html

@@ -37,7 +37,6 @@
     <!-- /.row -->
 
     {% include 'errors_block.html' %}
-    {% include 'messages_block.html' %}
 
     <div class="row">
         <dl class="ml-3 row">

networks/templates/networks.html

@@ -79,6 +79,12 @@
             if ($(this).val() == 'bridge') {
                 $('.bridge_name_form_group').show();
                 $('.bridge_name_form_group_dhcp').hide();
+            } else if ($(this).val() == 'macvtap') {
+                $('#bridge_label').text("Dev Name");
+                $('#bridge_name').attr("placeholder", "eth0");
+                $('.bridge_name_form_group').show();
+                $('.bridge_name_form_group_dhcp').hide();
+                $('.openvswitch').hide();
             } else {
                 $('.bridge_name_form_group').hide();
                 $('.bridge_name_form_group_dhcp').show();

networks/views.py

@@ -42,8 +42,8 @@ def networks(request, compute_id):
                     if data['name'] in networks:
                         msg = _("Network pool name already in use")
                         error_messages.append(msg)
-                    if data['forward'] == 'bridge' and data['bridge_name'] == '':
+                    if data['forward'] in ['bridge', 'macvtap'] and data['bridge_name'] == '':
-                        error_messages.append(_('Please enter bridge name'))
+                        error_messages.append(_('Please enter bridge/dev name'))
                     if data['subnet']:
                         ipv4 = True
                         gateway4, netmask4, dhcp4 = network_size(data['subnet'], data['dhcp4'])

vrtManager/instance.py

@@ -345,6 +345,7 @@ class wvmInstance(wvmConnect):
             result = []
             inbound = outbound = []
             for net in ctx.xpath('/domain/devices/interface'):
+                interface_type =  net.xpath('@type')[0]
                 mac_inst = net.xpath('mac/@address')[0]
                 nic_inst = net.xpath('source/@network|source/@bridge|source/@dev')[0]
                 target_inst = '' if not net.xpath('target/@dev') else net.xpath('target/@dev')[0]
@@ -369,6 +370,7 @@ class wvmInstance(wvmConnect):
                 except libvirtError:
                     ipv4, ipv6 = None, None
                 result.append({
+                    'type': interface_type,
                     'mac': mac_inst,
                     'nic': nic_inst,
                     'target': target_inst,
@@ -1289,24 +1291,39 @@ class wvmInstance(wvmConnect):
             bridge_name = iface.name()
         else:
             net = self.get_network(source)
-            bridge_name = net.bridgeName()
+            try:
+                bridge_name = net.bridgeName()
+            except libvirtError:
+                bridge_name = None
         return bridge_name
 
     def add_network(self, mac_address, source, source_type='net', model='virtio', nwfilter=None):
-        bridge_name = self.get_bridge_name(source, source_type)
+        forward_mode = ''
+        if source_type != 'iface':
+            forward_mode = self.get_network_forward(source)
 
-        forward_mode = self.get_network_forward(source)
         if forward_mode in ['nat', 'isolated', 'routed']:
             interface_type = 'network'
+        elif forward_mode == '':
+            interface_type = 'direct'
         else:
-            interface_type = 'bridge'
+            if self.get_bridge_name(source, source_type) is None:
+                interface_type = 'network'
+            else:
+                interface_type = 'bridge'
 
         xml_iface = f"""
           <interface type='{interface_type}'>
           <mac address='{mac_address}'/>"""
         if interface_type == 'network':
             xml_iface += f"""<source network='{source}'/>"""
+        elif interface_type == 'direct':
+            if source_type == 'net':
+                xml_iface += f"""<source network='{source}' mode='bridge'/>"""
+            else:
+                xml_iface += f"""<source dev='{source}' mode='bridge'/>"""
         else:
+            bridge_name = self.get_bridge_name(source, source_type)
             xml_iface += f"""<source bridge='{bridge_name}'/>"""
         xml_iface += f"""<model type='{model}'/>"""
         if nwfilter:
@@ -1342,49 +1359,38 @@ class wvmInstance(wvmConnect):
             net_source_type = network_data.get('net-source-' + str(num) + '-type')
             net_filter = network_data.get('net-nwfilter-' + str(num))
             net_model = network_data.get('net-model-' + str(num))
+
+            source = interface.find('source')
             if interface.get('type') == 'bridge':
                 bridge_name = self.get_bridge_name(net_source, net_source_type)
-                source = interface.find('mac')
-                source.set('address', net_mac)
-                source = interface.find('source')
                 source.set('bridge', bridge_name)
-
+            elif interface.get('type') in ['network', 'direct']:
-                source = interface.find('model')
+                if net_source_type == 'net':
-                if net_model != 'default':
+                    source.set('network', net_source)
-                    source.attrib['type'] = net_model
+                elif net_source_type == 'iface':
+                    source.set('dev', net_source)
                 else:
-                    interface.remove(source)
+                    raise libvirtError(f"Unknown network type: {net_source_type}")
+            else:
+                raise libvirtError(f"Unknown network type: {interface.get('type')}")
 
-                source = interface.find('filterref')
+            source = interface.find('model')
-                if net_filter:
+            if net_model != 'default':
-                    if source is not None: source.set('filter', net_filter)
+                source.attrib['type'] = net_model
-                    else:
+            else:
-                        element = ElementTree.Element("filterref")
+                interface.remove(source)
-                        element.attrib['filter'] = net_filter
-                        interface.append(element)
-                else:
-                    if source is not None: interface.remove(source)
-            elif interface.get('type') == 'network':
-                source = interface.find('mac')
-                source.set('address', net_mac)
-                source = interface.find('source')
-                source.set('network', net_source)
 
-                source = interface.find('model')
+            source = interface.find('mac')
-                if net_model != 'default':
+            source.set('address', net_mac)
-                    source.attrib['type'] = net_model
+            source = interface.find('filterref')
+            if net_filter:
+                if source is not None: source.set('filter', net_filter)
                 else:
-                    interface.remove(source)
+                    element = ElementTree.Element("filterref")
-
+                    element.attrib['filter'] = net_filter
-                source = interface.find('filterref')
+                    interface.append(element)
-                if net_filter:
+            else:
-                    if source is not None: source.set('filter', net_filter)
+                if source is not None: interface.remove(source)
-                    else:
-                        element = ElementTree.Element("filterref")
-                        element.attrib['filter'] = net_filter
-                        interface.append(element)
-                else:
-                    if source is not None: interface.remove(source)
 
         new_xml = ElementTree.tostring(tree).decode()
         self._defineXML(new_xml)

vrtManager/network.py

@@ -55,15 +55,20 @@ class wvmNetworks(wvmConnect):
                 <name>{name}</name>"""
         if forward in ['nat', 'route', 'bridge']:
             xml += f"""<forward mode='{forward}'/>"""
-        xml += """<bridge """
+        if forward == 'macvtap':
-        if forward in ['nat', 'route', 'none']:
+            xml += f"""<forward mode='bridge'>
-            xml += """stp='on' delay='0'"""
+                          <interface dev='{bridge}'/>
-        if forward == 'bridge':
+                       </forward>"""
-            xml += f"""name='{bridge}'"""
+        else:
-        xml += """/>"""
+            xml += """<bridge """
-        if openvswitch is True:
+            if forward in ['nat', 'route', 'none']:
-            xml += """<virtualport type='openvswitch'/>"""
+                xml += """stp='on' delay='0'"""
-        if forward != 'bridge':
+            if forward == 'bridge':
+                xml += f"""name='{bridge}'"""
+            xml += """/>"""
+            if openvswitch is True:
+                xml += """<virtualport type='openvswitch'/>"""
+        if forward not in ['bridge', 'macvtap']:
             if ipv4:
                 xml += f"""<ip address='{gateway}' netmask='{mask}'>"""
                 if dhcp4: