misc: restore migrations and model change (#61944)

hobo/environment/migrations/0022_local_hobo.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.24 on 2022-02-15 10:33
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('environment', '0021_base_url_validators'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='hobo',
+            name='local',
+            field=models.BooleanField(default=False),
+        ),
+    ]

hobo/environment/migrations/0023_populate_local_hobo.py

@@ -0,0 +1,43 @@
+# Generated by Django 2.2.24 on 2022-02-15 10:36
+
+from django.db import connection, migrations
+from django.urls import reverse
+
+from hobo.environment.utils import get_local_key
+
+
+def populate_local_hobo(apps, schema_editor):
+    Hobo = apps.get_model('environment', 'Hobo')
+    try:
+        Hobo.objects.get(local=True)
+        return
+    except Hobo.DoesNotExist:
+        pass
+
+    if hasattr(connection, 'get_tenant'):
+        build_absolute_uri = getattr(connection.get_tenant(), 'build_absolute_uri', None)
+        if build_absolute_uri:
+            Hobo.objects.create(
+                secret_key=get_local_key(build_absolute_uri('/')),
+                title='Hobo',
+                slug='hobo',
+                base_url=build_absolute_uri(reverse('home')),
+                secondary=False,
+                local=True,
+            )
+
+
+def clean_local_hobo(apps, schema_editor):
+    Hobo = apps.get_model('environment', 'Hobo')
+    Hobo.objects.filter(local=True).delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('environment', '0022_local_hobo'),
+    ]
+
+    operations = [
+        migrations.RunPython(populate_local_hobo, clean_local_hobo),
+    ]

hobo/environment/models.py

@@ -459,6 +459,11 @@ class Hobo(ServiceBase):
         service_label = _('Deployment Server')
         service_default_slug = 'hobo'
 
+    # historically an hobo instance did not store information about itself,
+    # it only stored info about other hobo's.
+    # now we also store info about an instance on the instance itself, via local=True
+    local = models.BooleanField(default=False)
+
     def get_admin_zones(self):
         return [Zone(self.title, 'hobo', self.get_base_url_path())]