Add new TC verify PID's of gluster volume

Add new TC where it will verify PID's of gluster volumes are same when
volume options value is different.

Change-Id: Ie0cae1ad3fdfd35e4c0e7f01e3a048b62b185369

2 files changed, 79 insertions, 1 deletions

diff --git a/openshift-storage-libs/openshiftstoragelibs/baseclass.py b/openshift-storage-libs/openshiftstoragelibs/baseclass.py
index dd57a131..ebf5c77f 100644
--- a/openshift-storage-libs/openshiftstoragelibs/baseclass.py
+++ b/openshift-storage-libs/openshiftstoragelibs/baseclass.py
@@ -212,7 +212,7 @@ class BaseClass(unittest.TestCase):
                              clusterid=None,
                              hacount=None,
                              is_arbiter_vol=False, arbiter_avg_file_size=None,
-                             heketi_zone_checking=None):
+                             heketi_zone_checking=None, volumeoptions=None):
 
         # Create secret if one is not specified
         if not secret_name:
@@ -245,6 +245,12 @@ class BaseClass(unittest.TestCase):
                 parameters["volumeoptions"] += (
                     ",user.heketi.average-file-size %s" % (
                         arbiter_avg_file_size))
+
+        if volumeoptions and "volumeoptions" in parameters.keys():
+            parameters["volumeoptions"] += ',' + volumeoptions
+        elif volumeoptions:
+            parameters["volumeoptions"] = volumeoptions
+
         if heketi_zone_checking:
             if parameters.get("volumeoptions"):
                 parameters["volumeoptions"] += (
diff --git a/tests/functional/gluster_stability/test_brickmux_stability.py b/tests/functional/gluster_stability/test_brickmux_stability.py
new file mode 100644
index 00000000..a3fffe3c
--- /dev/null
+++ b/tests/functional/gluster_stability/test_brickmux_stability.py
@@ -0,0 +1,72 @@
+from openshiftstoragelibs.baseclass import BaseClass
+from openshiftstoragelibs.gluster_ops import (
+    get_gluster_vol_status,
+)
+from openshiftstoragelibs.heketi_ops import (
+    heketi_node_disable,
+    heketi_node_enable,
+    heketi_node_list,
+)
+from openshiftstoragelibs.openshift_ops import (
+    get_gluster_vol_info_by_pvc_name,
+)
+
+
+class TestBrickMux(BaseClass):
+    '''
+     Class that contains BrickMux test cases.
+    '''
+
+    def setUp(self):
+        super(TestBrickMux, self).setUp()
+        self.node = self.ocp_master_node[0]
+
+    def test_brick_multiplex_pids_with_diff_vol_option_values(self):
+        """Test Brick Pid's should be same when values of vol options are diff
+        """
+        h_client, h_url = self.heketi_client_node, self.heketi_server_url
+        # Disable heketi nodes except first three nodes
+        h_nodes_list = heketi_node_list(h_client, h_url)
+        for node_id in h_nodes_list[3:]:
+            heketi_node_disable(h_client, h_url, node_id)
+            self.addCleanup(heketi_node_enable, h_client, h_url, node_id)
+
+        # Create storage class with diff volumeoptions
+        sc1 = self.create_storage_class(volumeoptions='user.heketi.abc 1')
+        sc2 = self.create_storage_class(volumeoptions='user.heketi.abc 2')
+        # Create PVC's with above SC
+        pvc1 = self.create_and_wait_for_pvcs(sc_name=sc1)
+        pvc2 = self.create_and_wait_for_pvcs(sc_name=sc2)
+
+        # Get vol info and status
+        vol_info1 = get_gluster_vol_info_by_pvc_name(self.node, pvc1[0])
+        vol_info2 = get_gluster_vol_info_by_pvc_name(self.node, pvc2[0])
+        vol_status1 = get_gluster_vol_status(vol_info1['gluster_vol_id'])
+        vol_status2 = get_gluster_vol_status(vol_info2['gluster_vol_id'])
+
+        # Verify vol options
+        err_msg = ('Volume option "user.heketi.abc %s" did not got match for '
+                   'volume %s in gluster vol info')
+        self.assertEqual(
+            vol_info1['options']['user.heketi.abc'], '1',
+            err_msg % (1, vol_info1['gluster_vol_id']))
+        self.assertEqual(
+            vol_info2['options']['user.heketi.abc'], '2',
+            err_msg % (2, vol_info2['gluster_vol_id']))
+
+        # Get the PID's and match them
+        pids1 = set()
+        for brick in vol_info1['bricks']['brick']:
+            host, bname = brick['name'].split(":")
+            pids1.add(vol_status1[host][bname]['pid'])
+
+        pids2 = set()
+        for brick in vol_info2['bricks']['brick']:
+            host, bname = brick['name'].split(":")
+            pids2.add(vol_status2[host][bname]['pid'])
+
+        err_msg = ('Pids of both the volumes %s and %s are expected to be'
+                   'same. But got the different Pids "%s" and "%s".' %
+                   (vol_info1['gluster_vol_id'], vol_info2['gluster_vol_id'],
+                    pids1, pids2))
+        self.assertEqual(pids1, pids2, err_msg)