Add organization namespaces

src/servala/core/migrations/0009_organization_namespace.py

@@ -0,0 +1,34 @@
+# Generated by Django 5.2b1 on 2025-03-28 09:39
+
+import django.core.validators
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("core", "0008_created_and_updated"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="organization",
+            name="namespace",
+            field=models.CharField(
+                default="namespace",
+                help_text="This namespace will be used for all Kubernetes resources. Cannot be changed after creation.",
+                max_length=63,
+                unique=True,
+                validators=[
+                    django.core.validators.RegexValidator(
+                        code="invalid_namespace",
+                        message='Namespace must consist of lowercase alphanumeric characters or "-", must start and end with an alphanumeric character.',
+                        regex="^[a-z0-9]([-a-z0-9]*[a-z0-9])?$",
+                    )
+                ],
+                verbose_name="Kubernetes Namespace",
+            ),
+            preserve_default=False,
+        ),
+    ]

src/servala/core/models/organization.py

@@ -1,6 +1,7 @@
 import rules
 import urlman
 from django.conf import settings
+from django.core.validators import RegexValidator
 from django.db import models
 from django.utils.functional import cached_property
 from django.utils.text import slugify
@@ -13,6 +14,24 @@ from servala.core.models.mixins import ServalaModelMixin
 
 class Organization(ServalaModelMixin, models.Model):
     name = models.CharField(max_length=100, verbose_name=_("Name"))
+    namespace = models.CharField(
+        max_length=63,
+        verbose_name=_("Kubernetes Namespace"),
+        unique=True,
+        help_text=_(
+            "This namespace will be used for all Kubernetes resources. Cannot be changed after creation."
+        ),
+        validators=[
+            RegexValidator(
+                regex=r"^[a-z0-9]([-a-z0-9]*[a-z0-9])?$",
+                message=_(
+                    'Namespace must consist of lowercase alphanumeric characters or "-", '
+                    "must start and end with an alphanumeric character."
+                ),
+                code="invalid_namespace",
+            )
+        ],
+    )
 
     billing_entity = models.ForeignKey(
         to="BillingEntity",