Check that kuryr-cni runs as a daemon

Depends-On: I52f164368072620567c26ee26d7f2fbd029f6a93
Change-Id: I0a587897843fd7c670570db70eafbead6037e11f

kuryr_tempest_plugin/config.py

@@ -50,4 +50,6 @@ kuryr_k8s_opts = [
     cfg.BoolOpt("npwg_multi_vif_enabled", default=False,
                 help="Whether or not NPWG multi-vif feature is enabled"),
     cfg.StrOpt("ocp_router_fip", default=None, help="OCP Router floating IP"),
+    cfg.BoolOpt("kuryr_daemon_enabled", default=True, help="Whether or not "
+                "CNI should run as a daemon"),
 ]

kuryr_tempest_plugin/tests/scenario/test_daemon.py

@@ -0,0 +1,44 @@
+# Copyright 2018 Red Hat, Inc.
+#
+# 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.
+
+
+from tempest import config
+from tempest.lib import decorators
+
+from kuryr_tempest_plugin.tests.scenario import base
+
+CONF = config.CONF
+
+
+class TestKuryrDaemon(base.BaseKuryrScenarioTest):
+    @classmethod
+    def skip_checks(cls):
+        super(TestKuryrDaemon, cls).skip_checks()
+        if (not CONF.kuryr_kubernetes.containerized) or (
+           not CONF.kuryr_kubernetes.kuryr_daemon_enabled):
+                raise cls.skipException("Kuryr cni should be containerized "
+                                        "and Kuryr Daemon should be enabled "
+                                        "to run this test.")
+
+    @decorators.idempotent_id('bddf5441-1244-a49d-a125-b5fd3fb111a7')
+    def test_kuryr_cni_daemon(self):
+        namespace = CONF.kuryr_kubernetes.kube_system_namespace
+        kube_system_pods = self.get_pod_name_list(
+            namespace=namespace)
+        cmd = ["ps", "aux"]
+
+        for kuryr_pod_name in kube_system_pods:
+            if kuryr_pod_name.startswith('kuryr-cni'):
+                self.assertIn('kuryr-daemon', self.exec_command_in_pod(
+                    kuryr_pod_name, cmd, namespace))