crypto: make name field unique to prevent double certs (#5406)

* crypto: make name field unique to prevent double certs

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* fix test

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

---------

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

authentik/blueprints/migrations/0003_alter_blueprintinstance_name.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.1.7 on 2023-04-28 10:49
+
+from django.db import migrations, models
+
+from authentik.lib.migrations import fallback_names
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("authentik_blueprints", "0002_blueprintinstance_content"),
+    ]
+
+    operations = [
+        migrations.RunPython(fallback_names("authentik_blueprints", "blueprintinstance", "name")),
+        migrations.AlterField(
+            model_name="blueprintinstance",
+            name="name",
+            field=models.TextField(unique=True),
+        ),
+    ]

authentik/blueprints/models.py

@@ -57,7 +57,7 @@ class BlueprintInstance(SerializerModel, ManagedModel, CreatedUpdatedModel):
 
     instance_uuid = models.UUIDField(primary_key=True, editable=False, default=uuid4)
 
-    name = models.TextField()
+    name = models.TextField(unique=True)
     metadata = models.JSONField(default=dict)
     path = models.TextField(default="", blank=True)
     content = models.TextField(default="", blank=True)