Generate organization namespaces

src/servala/core/admin.py

@@ -65,8 +65,7 @@ class OrganizationAdmin(admin.ModelAdmin):
 
     def get_readonly_fields(self, request, obj=None):
         readonly_fields = list(super().get_readonly_fields(request, obj) or [])
-        if obj:  # If this is an edit (not a new organization)
-            readonly_fields.append("namespace")
+        readonly_fields.append("namespace")  # Always read-only
         return readonly_fields
 
 

src/servala/core/migrations/0003_alter_organization_namespace.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.2b1 on 2025-04-09 14:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("core", "0002_alter_controlplanecrd_options_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="organization",
+            name="namespace",
+            field=models.CharField(
+                help_text="This namespace will be used for all Kubernetes resources.",
+                max_length=20,
+                null=True,
+                unique=True,
+                verbose_name="Kubernetes Namespace",
+            ),
+        ),
+    ]

src/servala/core/models/organization.py

@@ -9,19 +9,19 @@ from django_scopes import ScopedManager, scopes_disabled
 
 from servala.core import rules as perms
 from servala.core.models.mixins import ServalaModelMixin
-from servala.core.validators import kubernetes_name_validator
 
 
 class Organization(ServalaModelMixin, models.Model):
     name = models.CharField(max_length=100, verbose_name=_("Name"))
+    # The namespace is generated as "org-{id}" in accordance with RFC 1035 Label Names.
+    # It is nullable as we need to write to the database in order to read the ID, but should
+    # not be null in practical use.
     namespace = models.CharField(
-        max_length=63,
+        max_length=20,
         verbose_name=_("Kubernetes Namespace"),
+        null=True,
         unique=True,
-        help_text=_(
-            "This namespace will be used for all Kubernetes resources. Cannot be changed after creation."
-        ),
-        validators=[kubernetes_name_validator],
+        help_text=_("This namespace will be used for all Kubernetes resources."),
     )
 
     billing_entity = models.ForeignKey(
@@ -90,6 +90,13 @@ class Organization(ServalaModelMixin, models.Model):
     def __str__(self):
         return self.name
 
+    def save(self, *args, **kwargs):
+        super().save(*args, **kwargs)
+        if not self.namespace:
+            # Set namespace after initial save to ensure we have an ID
+            self.namespace = f"org-{self.pk}"
+            self.save(update_fields=["namespace"])
+
 
 class BillingEntity(ServalaModelMixin, models.Model):
     """

src/servala/frontend/forms/organization.py

@@ -1,6 +1,4 @@
-from django import forms
 from django.forms import ModelForm
-from django.utils.translation import gettext_lazy as _
 
 from servala.core.models import Organization
 from servala.frontend.forms.mixins import HtmxMixin
@@ -9,19 +7,4 @@ from servala.frontend.forms.mixins import HtmxMixin
 class OrganizationForm(HtmxMixin, ModelForm):
     class Meta:
         model = Organization
-        fields = ("name", "namespace")
-        widgets = {
-            "namespace": forms.TextInput(
-                attrs={
-                    "pattern": "[a-z0-9]([-a-z0-9]*[a-z0-9])?",
-                    "title": _(
-                        'Lowercase alphanumeric characters or "-", must start and end with alphanumeric'
-                    ),
-                }
-            )
-        }
-        help_texts = {
-            "namespace": _(
-                "This namespace will be used for all resources and cannot be changed later."
-            )
-        }
+        fields = ("name",)

src/servala/frontend/templates/frontend/organizations/update.html

@@ -52,7 +52,7 @@
                     </th>
                     <td>
                         <div>{{ form.instance.namespace }}</div>
-                        <small class="text-muted">{% translate "The namespace cannot be changed after creation." %}</small>
+                        <small class="text-muted">{% translate "System-generated namespace for Kubernetes resources." %}</small>
                     </td>
                 </tr>
             </tbody>