CNS: adding testcase CNS-450 - Restart heketi pod

Change-Id: Ie68628cb0f083fd5cd1ec9cd88a4c490bfca2e88
Signed-off-by: Apeksha D Khakharia <akhakhar@redhat.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/tests/functional/common/test_heketi_restart.py b/tests/functional/common/test_heketi_restart.py
new file mode 100644
index 00000000..2d7da8c3
--- /dev/null
+++ b/tests/functional/common/test_heketi_restart.py
@@ -0,0 +1,63 @@
+from jsondiff import diff
+
+from cnslibs.common.heketi_libs import HeketiClientSetupBaseClass
+from cnslibs.common.heketi_ops import (
+    hello_heketi,
+    heketi_volume_create,
+    heketi_topology_info)
+from cnslibs.common.openshift_ops import (
+    get_pod_name_from_dc,
+    oc_delete,
+    wait_for_pod_be_ready,
+    wait_for_resource_absence)
+
+
+class TestRestartHeketi(HeketiClientSetupBaseClass):
+
+    def test_restart_heketi_pod(self):
+        """ CNS-450 Restarting heketi pod """
+
+        # create heketi volume
+        vol_info = heketi_volume_create(self.heketi_client_node,
+                                        self.heketi_server_url,
+                                        size=1, json=True)
+        self.assertTrue(vol_info, "Failed to create heketi volume of size 1")
+        self.addCleanup(self.delete_volumes, vol_info['id'])
+        topo_info = heketi_topology_info(self.heketi_client_node,
+                                         self.heketi_server_url,
+                                         json=True)
+
+        # get heketi-pod name
+        heketi_pod_name = get_pod_name_from_dc(self.ocp_master_node,
+                                               self.heketi_dc_name)
+
+        # delete heketi-pod (it restarts the pod)
+        oc_delete(self.ocp_master_node, 'pod', heketi_pod_name)
+        wait_for_resource_absence(self.ocp_master_node,
+                                  'pod', heketi_pod_name)
+
+        # get new heketi-pod name
+        heketi_pod_name = get_pod_name_from_dc(self.ocp_master_node,
+                                               self.heketi_dc_name)
+        wait_for_pod_be_ready(self.ocp_master_node,
+                              heketi_pod_name)
+
+        # check heketi server is running
+        self.assertTrue(
+            hello_heketi(self.heketi_client_node, self.heketi_server_url),
+            "Heketi server %s is not alive" % self.heketi_server_url
+        )
+
+        # compare the topology
+        new_topo_info = heketi_topology_info(self.heketi_client_node,
+                                             self.heketi_server_url,
+                                             json=True)
+        self.assertEqual(new_topo_info, topo_info, "topology info is not same,"
+                         " difference - %s" % diff(topo_info, new_topo_info))
+
+        # create new volume
+        vol_info = heketi_volume_create(self.heketi_client_node,
+                                        self.heketi_server_url,
+                                        size=2, json=True)
+        self.assertTrue(vol_info, "Failed to create heketi volume of size 20")
+        self.delete_volumes(vol_info['id'])