Fix price calculation

hosting/models.py

@@ -41,7 +41,7 @@ class HostingPlan(models.Model):
                 for cfg in cls.objects.all()]
 
     def price(self):
-        price = self.disk_size * 0.2
+        price = self.disk_size * 0.6
         price += self.cpu_cores * 5
         price += self.memory * 2
         return price

opennebula_api/serializers.py

@@ -135,7 +135,7 @@ class VirtualMachineSerializer(serializers.Serializer):
 
     def get_price(self, obj):
         template = obj.template
-        price = float(template.cpu) * 5.0
+        price = float(template.vcpu) * 5.0
         price += (int(template.memory)/1024 * 2.0)
         for disk in template.disks:
             price += int(disk.size)/1024 * 0.6