dashboard: clone templates from parents

circle/dashboard/forms.py

@@ -299,16 +299,39 @@ class TemplateForm(forms.ModelForm):
         queryset=VLANS, required=False)
 
     def __init__(self, *args, **kwargs):
+        parent = kwargs.pop("parent", None)
         super(TemplateForm, self).__init__(*args, **kwargs)
         self.fields['disks'] = forms.ModelMultipleChoiceField(queryset=DISKS)
-        if self.instance.pk:
-            mn = self.instance.interface_set.filter(
+
+        if parent is not None:
+            template = InstanceTemplate.objects.get(pk=parent)
+            parent = template.__dict__
+            fields = ["system", "name", "num_cores", "boot_menu", "ram_size",
+                      "priority", "state", "access_method", "raw_data",
+                      "arch", "description"]
+            for f in fields:
+                self.initial[f] = parent[f]
+            self.initial['lease'] = parent['lease_id']
+            self.initial['disks'] = template.disks.all()
+            self.initial['parent'] = template
+            self.initial['name'] = "Clone of %s" % self.initial['name']
+            self.for_networks = template
+        else:
+            self.for_networks = self.instance
+
+        if self.instance.pk or parent is not None:
+            mn = self.for_networks.interface_set.filter(
                 managed=True).values_list("vlan", flat=True)
-            un = self.instance.interface_set.filter(
+            un = self.for_networks.interface_set.filter(
                 managed=False).values_list("vlan", flat=True)
             self.initial['managed_networks'] = mn
             self.initial['unmanaged_networks'] = un
 
+        if not self.instance.pk and len(self.errors) < 1:
+            self.instance.priority = 20
+            self.instance.ram_size = 512
+            self.instance.num_cores = 2
+
     def save(self, commit=True):
         data = self.cleaned_data
         self.instance.max_ram_size = data.get('ram_size')
@@ -346,10 +369,6 @@ class TemplateForm(forms.ModelForm):
     @property
     def helper(self):
         helper = FormHelper()
-        if not self.instance.pk and len(self.errors) < 1:
-            self.instance.priority = 20
-            self.instance.ram_size = 512
-            self.instance.num_cores = 2
         helper.layout = Layout(
             Field("name"),
             Fieldset(
@@ -403,7 +422,7 @@ class TemplateForm(forms.ModelForm):
                 Field('raw_data'),
                 Field('req_traits'),
                 Field('description'),
-                Field("parent"),
+                Field("parent", type="hidden"),
                 Field("system"),
                 Field("state"),
             ),

circle/dashboard/templates/dashboard/template-list.html

@@ -10,9 +10,6 @@
         <a href="{% url "dashboard.views.template-create" %}" class="pull-right btn btn-success btn-xs">
           <i class="icon-plus"></i> new template
         </a>
-        <a href="{% url "dashboard.views.lease-create" %}" class="pull-right btn btn-success btn-xs" style="margin-right: 10px;">
-          <i class="icon-plus"></i> new lease
-        </a>
         <h3 class="no-margin"><i class="icon-desktop"></i> {% trans "Templates" %}</h3>
       </div>
       <div class="panel-body">
@@ -22,15 +19,10 @@
   </div>
 </div>
 
-
-
 <div class="row">
   <div class="col-md-6">
     <div class="panel panel-default">
       <div class="panel-heading">
-        <a href="{% url "dashboard.views.template-create" %}" class="pull-right btn btn-success btn-xs">
-          <i class="icon-plus"></i> new template
-        </a>
         <a href="{% url "dashboard.views.lease-create" %}" class="pull-right btn btn-success btn-xs" style="margin-right: 10px;">
           <i class="icon-plus"></i> new lease
         </a>

circle/dashboard/templates/dashboard/template-list/column-template-actions.html

 {% load i18n %}
+<a href="{% url "dashboard.views.template-create" %}?parent={{ record.pk }}" id="template-list-clone-button" class="btn btn-default btn-xs" title data-original-title="{% trans "Clone" %}">
+  <i class="icon-copy"></i>
+</a>
 <a href="{% url "dashboard.views.template-detail" pk=record.pk%}" id="template-list-edit-button" class="btn btn-default btn-xs" title data-original-title="{% trans "Edit" %}">
   <i class="icon-edit"></i>
 </a>

circle/dashboard/views.py

@@ -361,6 +361,15 @@ class TemplateCreate(SuccessMessageMixin, CreateView):
     template_name = "dashboard/template-create.html"
     success_message = _("Successfully created a new template!")
 
+    def get(self, *args, **kwargs):
+        self.parent = self.request.GET.get("parent")
+        return super(TemplateCreate, self).get(*args, **kwargs)
+
+    def get_form_kwargs(self):
+        kwargs = super(TemplateCreate, self).get_form_kwargs()
+        kwargs['parent'] = getattr(self, "parent", None)
+        return kwargs
+
     def get_success_url(self):
         return reverse_lazy("dashboard.views.template-list")