Adds libvirt watchdog

- Add test for different supported actions via Flavor and Image
- Adds ddt in requirements.txt

Change-Id: I5aee8f48325cd43d90c981252a5af1d745882239

requirements.txt

@@ -17,3 +17,4 @@ pymysql
 # the vTPM tests require it
 barbican-tempest-plugin<=1.6.0;python_version<='3.6'
 barbican-tempest-plugin;python_version>'3.6'
+ddt>=1.7.2

whitebox_tempest_plugin/api/compute/test_watchdog_devices.py

@@ -0,0 +1,60 @@
+# Copyright 2024 Red Hat
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import ddt
+from whitebox_tempest_plugin.api.compute import base
+
+
+@ddt.ddt
+class WatchdogDeviceTest(base.BaseWhiteboxComputeTest):
+
+    def _create_flavor_with_watchdog_property(self, action):
+        return self.create_flavor(
+            extra_specs={"hw:watchdog_action": action}
+        )
+
+    def _get_image_with_watchdog_property(self, action):
+        return self.copy_default_image(hw_watchdog_action=action)
+
+    def _get_watchdog_action_from_xml(self, server_id):
+        root = self.get_server_xml(server_id)
+        return root.find(".devices/watchdog")
+
+    @ddt.data('reset', 'poweroff', 'pause', 'none', 'disabled')
+    def test_actions_via_flavor(self, action):
+        flavor = self._create_flavor_with_watchdog_property(action)
+        server = self.create_test_server(
+            flavor=flavor['id'], wait_until='ACTIVE')
+
+        watchdog_dev = self._get_watchdog_action_from_xml(server['id'])
+        if action == 'disabled':
+            # as watchdog is disabled there is no watchdog dev in xml
+            self.assertIsNone(watchdog_dev)
+        else:
+            self.assertEqual(action, watchdog_dev.attrib['action'])
+
+    @ddt.data('reset', 'poweroff', 'pause', 'none', 'disabled')
+    def test_actions_via_image(self, action):
+        image_id = self._get_image_with_watchdog_property(action)
+        server = self.create_test_server(
+            image_id=image_id, wait_until='ACTIVE')
+
+        watchdog_dev = self._get_watchdog_action_from_xml(server['id'])
+
+        if action == 'disabled':
+            # as watchdog is disabled there is no watchdog dev in xml
+            self.assertIsNone(watchdog_dev)
+        else:
+            self.assertEqual(action, watchdog_dev.attrib['action'])