Fix related hosts

src/ralph/data_center/api/serializers.py

@@ -122,7 +122,7 @@ class Meta(SimpleRackSerializer.Meta):
 class DataCenterAssetSimpleSerializer(RalphAPISerializer):
     class Meta:
         model = DataCenterAsset
-        fields = ['hostname', 'url']
+        fields = ['id', 'hostname', 'url']
         _skip_tags_field = True
 
 
@@ -164,6 +164,8 @@ def _get_cloud_hosts(self, obj):
         )
 
     def get_related_hosts(self, obj):
+        if hasattr(obj, 'content_type'):
+            obj = obj.content_type.get_object_for_this_type(pk=obj.pk)
         return {
             "virtual_servers": self._get_virtual_servers(obj),
             "physical_servers": self._get_physical_servers(obj),

src/ralph/data_center/tests/test_api.py

@@ -132,6 +132,51 @@ def test_get_data_center_asset_details_related_hosts(self):
             response.data['related_hosts']['physical_servers'][0]['hostname'],
             dc_asset_4.hostname
         )
+    def test_get_data_center_asset_list_related_hosts(self):
+        dc_asset_5 = DataCenterAssetFullFactory()
+        cloud_host = CloudHostFactory(
+            hypervisor=dc_asset_5
+        )
+        virtual_server = VirtualServerFactory(
+            parent=dc_asset_5
+        )
+        virtual_server_2 = VirtualServerFactory(
+            parent=dc_asset_5,
+            hostname='random_test_hostname'
+        )
+        dc_asset_6 = DataCenterAssetFullFactory(
+            parent=dc_asset_5
+        )
+        url = f"{reverse('datacenterasset-list')}?hostname={dc_asset_5.hostname}"
+        response = self.client.get(url, format='json')
+        self.assertEqual(
+            len(response.data['results']), 1
+        )
+        self.assertEqual(
+            len(response.data['results'][0]['related_hosts']['cloud_hosts']), 1
+        )
+        self.assertEqual(
+            len(response.data['results'][0]['related_hosts']['virtual_servers']), 2
+        )
+        self.assertIn(
+            response.data['results'][0]['related_hosts']['virtual_servers'][0]['hostname'],
+            (virtual_server.hostname, virtual_server_2.hostname)
+        )
+        self.assertIn(
+            response.data['results'][0]['related_hosts']['virtual_servers'][1]['hostname'],
+            (virtual_server.hostname, virtual_server_2.hostname)
+        )
+        self.assertEqual(
+            response.data['results'][0]['related_hosts']['cloud_hosts'][0]['hostname'],
+            cloud_host.hostname
+        )
+        self.assertEqual(
+            len(response.data['results'][0]['related_hosts']['physical_servers']), 1
+        )
+        self.assertEqual(
+            response.data['results'][0]['related_hosts']['physical_servers'][0]['hostname'],
+            dc_asset_6.hostname
+        )
 
     def test_create_data_center_asset(self):
         url = reverse('datacenterasset-list')

src/ralph/virtual/api.py

@@ -49,7 +49,7 @@ class CloudHostSimpleSerializer(BaseObjectSerializer):
 
     class Meta:
         model = CloudHost
-        fields = ['hostname', 'ip_addresses', 'url']
+        fields = ['id', 'hostname', 'ip_addresses', 'url']
 
 
 class CloudProjectSimpleSerializer(BaseObjectSerializer):
@@ -152,7 +152,7 @@ class Meta:
 class VirtualServerSimpleSerializer(BaseObjectSerializer):
     class Meta(BaseObjectSerializer.Meta):
         model = VirtualServer
-        fields = ['hostname', 'url']
+        fields = ['id', 'hostname', 'url']
         _skip_tags_field = True
         exclude = None