Add pulp_labels to Namespaces

fixes: #2139
Generated by: claude-4.5-sonnet

Author: gerrod3

CHANGES/2139.feature

@@ -0,0 +1 @@
+Added pulp_labels field to ContainerNamespace for labeling and organizing namespaces

pulp_container/app/migrations/0047_containernamespace_pulp_labels.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.2.6 on 2026-01-27 00:00
+
+from django.contrib.postgres.fields import HStoreField
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('container', '0046_alter_manifest_listed_manifests'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='containernamespace',
+            name='pulp_labels',
+            field=HStoreField(default=dict),
+        ),
+    ]

pulp_container/app/models.py

@@ -10,6 +10,7 @@
 from django.db import models
 from django.conf import settings
 from django.contrib.postgres import fields
+from django.contrib.postgres.fields import HStoreField
 from django.shortcuts import redirect
 from django_lifecycle import hook, AFTER_CREATE, AFTER_DELETE, AFTER_UPDATE
 
@@ -438,10 +439,12 @@ class ContainerNamespace(BaseModel, AutoAddObjPermsMixin):
 
     Fields:
         name (models.TextField): The name of the namespace.
+        pulp_labels (HStoreField): Key-value pairs for labeling and organizing namespaces.
     """
 
     name = models.TextField(db_index=True)
     pulp_domain = models.ForeignKey("core.Domain", default=get_domain_pk, on_delete=models.PROTECT)
+    pulp_labels = HStoreField(default=dict)
 
     class Meta:
         unique_together = ("name", "pulp_domain")

pulp_container/app/serializers.py

@@ -26,6 +26,7 @@
     RepositoryVersionRelatedField,
     SingleArtifactContentSerializer,
     ValidateFieldsMixin,
+    pulp_labels_validator,
 )
 from pulpcore.plugin.util import get_domain
 
@@ -241,9 +242,10 @@ class ContainerNamespaceSerializer(ModelSerializer, GetOrCreateSerializerMixin):
     """
 
     pulp_href = IdentityField(view_name="pulp_container/namespaces-detail")
+    pulp_labels = serializers.HStoreField(required=False, validators=[pulp_labels_validator])
 
     class Meta:
-        fields = ModelSerializer.Meta.fields + ("name",)
+        fields = ModelSerializer.Meta.fields + ("name", "pulp_labels")
         model = models.ContainerNamespace