Added 'instances:clone_instances' permission

Replaces 'can_clone_instances' user attribute

accounts/migrations/0005_remove_userattributes_can_clone_instances.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.12 on 2020-05-28 04:24
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0004_apply_change_password'),
+        ('instances', '0003_migrate_can_clone_instances'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='userattributes',
+            name='can_clone_instances',
+        ),
+    ]

instances/migrations/0003_migrate_can_clone_instances.py

@@ -0,0 +1,35 @@
+from django.db import migrations
+
+
+def migrate_can_clone_instances(apps, schema_editor):
+    from django.contrib.auth.models import User, Permission
+    user: User
+    users = User.objects.all()
+
+    permission = Permission.objects.get(codename='clone_instances')
+
+    for user in users:
+        if user.userattributes.can_clone_instances:
+            user.user_permissions.add(permission)
+
+
+def reverse_can_clone_instances(apps, schema_editor):
+    from django.contrib.auth.models import User, Permission
+    user: User
+    users = User.objects.all()
+
+    permission = Permission.objects.get(codename='clone_instances')
+
+    for user in users:
+        user.user_permissions.remove(permission)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('instances', '0002_permissionset'),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_can_clone_instances, reverse_can_clone_instances),
+    ]