Might help to add the forms for the admin to import.

lib/main/forms.py

@@ -0,0 +1,47 @@
+import json
+from django import forms
+from django.utils.translation import ugettext_lazy as _
+from jsonfield.fields import JSONFormField
+from lib.main.models import *
+
+class HostAdminForm(forms.ModelForm):
+
+    class Meta:
+        model = Host
+    
+    vdata = JSONFormField(label=_('Variable data'), required=False, widget=forms.Textarea(attrs={'class': 'vLargeTextField'}))
+
+    def __init__(self, *args, **kwargs):
+        super(HostAdminForm, self).__init__(*args, **kwargs)
+        if self.instance.variable_data:
+            print repr(self.instance.variable_data.data)
+            self.initial['vdata'] = self.instance.variable_data.data
+
+    def save(self, commit=True):
+        instance = super(HostAdminForm, self).save(commit=commit)
+        save_m2m = getattr(self, 'save_m2m', lambda: None)
+        vdata = self.cleaned_data.get('vdata', '')
+        print 'vdata', repr(vdata)
+        def new_save_m2m():
+            save_m2m()
+            if not instance.variable_data:
+                instance.variable_data = VariableData.objects.create(data=vdata)
+                instance.save()
+            else:
+                variable_data = instance.variable_data
+                # FIXME!!!
+                #variable_data.data = vdata
+                #variable_data.save()
+        if commit:
+            new_save_m2m()
+        else:
+            self.save_m2m = new_save_m2m
+        return instance
+
+class GroupForm(forms.ModelForm):
+
+    class Meta:
+        model = Host
+
+    variable_data = JSONFormField(required=False, widget=forms.Textarea(attrs={'class': 'vLargeTextField'}))
+