dashboard: Add SetMasterInterface form and view, and change network.html

The view gets the selected interface and forwards it to the operation. The form is ask if we aggree the operation. On the network page there is a button for the operation.

circle/dashboard/forms.py

@@ -916,6 +916,20 @@ class VmDownloadDiskForm(OperationForm):
         return cleaned_data
 
 
+class VmSetMasterInterfaceForm(OperationForm):
+    def __init__(self, *args, **kwargs):
+        choices = kwargs.pop('choices')
+        self.interface = kwargs.pop('default')
+
+        super(VmSetMasterInterfaceForm, self).__init__(*args, **kwargs)
+
+        self.fields['interface'] = forms.ModelChoiceField(
+            queryset=choices, initial=self.interface, required=True,
+            empty_label=None, label=_('Interface'))
+        if self.interface:
+            self.fields['interface'].widget = HiddenInput()
+
+
 class VmRemoveInterfaceForm(OperationForm):
     def __init__(self, *args, **kwargs):
         choices = kwargs.pop('choices')

circle/dashboard/templates/dashboard/vm-detail/network.html

@@ -18,10 +18,17 @@
   <h3 class="list-group-item-heading dashboard-vm-details-network-h3">
     <i class="fa fa-{% if i.host %}globe{% else %}link{% endif %}"></i> {{ i.vlan.name }}
     {% if not i.host%}({% trans "unmanaged" %}){% endif %}
+    {% if i.is_master %}({% trans "master" %}){% endif %}
     {% if user.is_superuser and i.host %}
       <a href="{{ i.host.get_absolute_url }}"
         class="btn btn-default btn-xs">{% trans "edit" %}</a>
     {% endif %}
+    {% with op=op.set_master_interface %}{% if op %}
+    <span class="operation-wrapper">
+      <a href="{{op.get_url}}?interface={{ i.pk }}"
+        class="btn btn-default btn-xs operation set-as-master">{% trans "set as master" %}</a>
+    </span>
+    {% endif %}{% endwith %}
     {% with op=op.remove_interface %}{% if op %}
     <span class="operation-wrapper">
       <a href="{{op.get_url}}?interface={{ i.pk }}"

circle/dashboard/views/vm.py

@@ -61,7 +61,8 @@ from .util import (
 )
 from ..forms import (
     AclUserOrGroupAddForm, VmResourcesForm, TraitsForm, RawDataForm,
-    VmAddInterfaceForm, VmCreateDiskForm, VmDownloadDiskForm, VmSaveForm,
+    VmAddInterfaceForm, VmCreateDiskForm, VmSetMasterInterfaceForm,
+    VmDownloadDiskForm, VmSaveForm,
     VmRenewForm, VmStateChangeForm, VmListSearchForm, VmCustomizeForm,
     VmDiskResizeForm, RedeployForm, VmDiskRemoveForm,
     VmMigrateForm, VmDeployForm,
@@ -368,6 +369,32 @@ class VmAddInterfaceView(FormOperationMixin, VmOperationView):
         return val
 
 
+class VmSetMasterInterfaceView(FormOperationMixin, VmOperationView):
+
+    op = 'set_master_interface'
+    form_class = VmSetMasterInterfaceForm
+    show_in_toolbar = False
+    effect = 'success'
+    icon = 'globe'
+    with_reload = True
+
+    def get_form_kwargs(self):
+        instance = self.get_op().instance
+        choices = instance.interface_set.all()
+        interface_pk = self.request.GET.get('interface')
+        if interface_pk:
+            try:
+                default = choices.get(pk=interface_pk)
+            except (ValueError, Interface.DoesNotExist):
+                raise Http404()
+        else:
+            default = None
+
+        val = super(VmSetMasterInterfaceView, self).get_form_kwargs()
+        val.update({'choices': choices, 'default': default})
+        return val
+
+
 class VmDiskModifyView(FormOperationMixin, VmOperationView):
     show_in_toolbar = False
     with_reload = True
@@ -777,6 +804,7 @@ vm_ops = OrderedDict([
         op='remove_disk', form_class=VmDiskRemoveForm,
         icon='times', effect="danger")),
     ('add_interface', VmAddInterfaceView),
+    ('set_master_interface', VmSetMasterInterfaceView),
     ('remove_interface', VmRemoveInterfaceView),
     ('remove_port', VmPortRemoveView),
     ('add_port', VmPortAddView),