Add VMPricing init migration

datacenterlight/migrations/0020_auto_20180409_1928.py

@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.4 on 2018-04-09 19:28
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+DEFAULT_VMPRICING_NAME='default'
+
+
+def create_default_pricing(apps, schema_editor):
+    """
+    Create default pricing
+    :param apps:
+    :param schema_editor:
+    :return:
+    """
+    VMPricing = apps.get_model('datacenterlight', 'VMPricing')
+    if not VMPricing.objects.count():
+        vm_pricing = VMPricing(
+            name=DEFAULT_VMPRICING_NAME,
+            vat_inclusive=True,
+            cores_unit_price=5,
+            ram_unit_price=2,
+            ssd_unit_price=0.6,
+            hdd_unit_price=0.1,
+        )
+        vm_pricing.save()
+
+
+def undo_vm_pricing(apps, schema_editor):
+    """Deleting all entries for this model"""
+
+    VMPricing = apps.get_model("datacenterlight", "VMPricing")
+    VMPricing.objects.all().delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('datacenterlight', '0019_auto_20180409_1923'),
+    ]
+
+    operations = [
+        migrations.RunPython(
+            create_default_pricing,
+            reverse_code=undo_vm_pricing
+        ),
+    ]