3 files changed, 123 insertions, 0 deletions
diff --git a/rpki/rpkidb/migrations/0002_add_turtle.py b/rpki/rpkidb/migrations/0002_add_turtle.py
new file mode 100644
index 00000000..e898f43a
--- /dev/null
+++ b/rpki/rpkidb/migrations/0002_add_turtle.py
@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rpkidb', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Turtle',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('parent_handle', models.SlugField(max_length=255)),
+                ('repository', models.ForeignKey(related_name='parents', to='rpkidb.Repository')),
+                ('tenant', models.ForeignKey(related_name='parents', to='rpkidb.Tenant')),
+            ],
+        ),
+        migrations.AlterUniqueTogether(
+            name='parent',
+            unique_together=set([]),
+        ),
+        migrations.RemoveField(
+            model_name='parent',
+            name='id',
+        ),
+        migrations.RenameField(
+            model_name='parent',
+            old_name='parent_handle',
+            new_name='old_parent_handle',
+        ),
+        migrations.RenameField(
+            model_name='parent',
+            old_name='repository',
+            new_name='old_repository',
+        ),
+        migrations.RenameField(
+            model_name='parent',
+            old_name='tenant',
+            new_name='old_tenant',
+        ),
+        migrations.AddField(
+            model_name='parent',
+            name='turtle_ptr',
+            field=models.OneToOneField(parent_link=True, auto_created=True, primary_key=True, default=0, serialize=False, to='rpkidb.Turtle'),
+            preserve_default=False,
+        ),
+        migrations.AlterUniqueTogether(
+            name='turtle',
+            unique_together=set([('tenant', 'parent_handle')]),
+        ),
+    ]
diff --git a/rpki/rpkidb/migrations/0003_turtle_data.py b/rpki/rpkidb/migrations/0003_turtle_data.py
new file mode 100644
index 00000000..dbf3b211
--- /dev/null
+++ b/rpki/rpkidb/migrations/0003_turtle_data.py
@@ -0,0 +1,41 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+def turtle_forward(apps, schema_editor):
+    Turtle = apps.get_model("rpkidb", "Turtle")
+    Parent = apps.get_model("rpkidb", "Parent")
+    db_alias = schema_editor.connection.alias
+    for parent in Parent.objects.using(db_alias).all():
+        turtle = Turtle.objects.using(db_alias).create(
+            parent_handle = parent.old_parent_handle,
+            tenant        = parent.old_tenant,
+            repository    = parent.old_repository)
+        parent.turtle_ptr = turtle
+        parent.save()
+
+
+def turtle_reverse(apps, schema_editor):
+    Turtle = apps.get_model("rpkidb", "Turtle")
+    Parent = apps.get_model("rpkidb", "Parent")
+    db_alias = schema_editor.connection.alias
+    for parent in Parent.objects.using(db_alias).all():
+        parent.old_parent_handle = parent.turtle_ptr.parent_handle
+        parent.old_tenant        = parent.turtle_ptr.tenant
+        parent.old_repository    = parent.turtle_ptr.repository
+        parent.turtle_ptr        = None
+        parent.save()
+    Turtle.objects.using(db_alias).all().delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rpkidb', '0002_add_turtle'),
+    ]
+
+    operations = [
+        migrations.RunPython(turtle_forward, turtle_reverse)
+    ]
diff --git a/rpki/rpkidb/migrations/0004_turtle_cleanup.py b/rpki/rpkidb/migrations/0004_turtle_cleanup.py
new file mode 100644
index 00000000..5d2d78ec
--- /dev/null
+++ b/rpki/rpkidb/migrations/0004_turtle_cleanup.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rpkidb', '0003_turtle_data'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='parent',
+            name='old_parent_handle',
+        ),
+        migrations.RemoveField(
+            model_name='parent',
+            name='old_repository',
+        ),
+        migrations.RemoveField(
+            model_name='parent',
+            name='old_tenant',
+        ),
+    ]