Concurrent volume set on different volumes simultaneously should succeed

It includes:
- Create 2 volumes
- Run concurrent set operation on both the vols
- Check for error or if any core generated

Change-Id: I5f735290ff57ec5e9ad8d85fd5d822c739dbbb5c
Signed-off-by: Gaurav Yadav <gyadav@redhat.com>

1 files changed, 107 insertions, 0 deletions

diff --git a/tests/functional/glusterd/test_concurrent_set.py b/tests/functional/glusterd/test_concurrent_set.py
new file mode 100644
index 000000000..91cfe659c
--- /dev/null
+++ b/tests/functional/glusterd/test_concurrent_set.py
@@ -0,0 +1,107 @@
+#  Copyright (C) 2016-2017  Red Hat, Inc. <http://www.redhat.com>
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import random
+from glusto.core import Glusto as g
+from glustolibs.gluster.exceptions import ExecutionError
+from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
+from glustolibs.gluster.volume_libs import cleanup_volume
+from glustolibs.gluster.volume_ops import (get_volume_list, volume_create)
+from glustolibs.gluster.lib_utils import (form_bricks_list,
+                                          is_core_file_created)
+
+
+@runs_on([['distributed'], ['glusterfs']])
+class TestConcurrentSet(GlusterBaseClass):
+    @classmethod
+    def setUpClass(cls):
+        GlusterBaseClass.setUpClass.im_func(cls)
+        g.log.info("Starting %s " % cls.__name__)
+        '''
+        checking for peer status from every node, if peers are  in not
+        connected state, performing peer probe.
+        '''
+        ret = cls.validate_peers_are_connected()
+        if not ret:
+            raise ExecutionError("Nodes are not in peer probe state")
+
+    def tearDown(self):
+
+        '''
+        clean up all volumes and detaches peers from cluster
+        '''
+        vol_list = get_volume_list(self.mnode)
+        for volume in vol_list:
+            ret = cleanup_volume(self.mnode, volume)
+            self.assertTrue(ret, "Failed to Cleanup the Volume %s" % volume)
+            g.log.info("Volume deleted successfully : %s" % volume)
+
+        GlusterBaseClass.tearDown.im_func(self)
+
+    def test_concurrent_set(self):
+        # time stamp of current test case
+        ret, test_timestamp, _ = g.run_local('date +%s')
+        test_timestamp = test_timestamp.strip()
+        # Create a volume
+        self.volname = "first-vol"
+        self.brick_list = form_bricks_list(self.mnode, self.volname, 3,
+                                           self.servers,
+                                           self.all_servers_info)
+
+        ret = volume_create(self.mnode, self.volname,
+                            self.brick_list, force=False)
+        self.assertEqual(ret[0], 0, ("Unable"
+                         "to create volume % s" % self.volname))
+        g.log.info("Volume created successfuly % s" % self.volname)
+
+        # Create a volume
+        self.volname = "second-vol"
+        self.brick_list = form_bricks_list(self.mnode, self.volname, 3,
+                                           self.servers,
+                                           self.all_servers_info)
+        g.log.info("Creating a volume")
+        ret = volume_create(self.mnode, self.volname,
+                            self.brick_list, force=False)
+        self.assertEqual(ret[0], 0, ("Unable"
+                         "to create volume % s" % self.volname))
+        g.log.info("Volume created successfuly % s" % self.volname)
+
+        cmd1 = ("for i in `seq 1 100`; do gluster volume set first-vol "
+                "read-ahead on; done")
+        cmd2 = ("for i in `seq 1 100`; do gluster volume set second-vol "
+                "write-behind on; done")
+
+        proc1 = g.run_async(random.choice(self.servers), cmd1)
+        proc2 = g.run_async(random.choice(self.servers), cmd2)
+
+        ret1, out1, err1 = proc1.async_communicate()
+        ret2, out2, err2 = proc2.async_communicate()
+
+        self.assertEqual(ret1, 0, "Concurrent volume set on different volumes "
+                         "simultaneously failed")
+        self.assertEqual(ret2, 0, "Concurrent volume set on different volumes "
+                         "simultaneously failed")
+
+        g.log.info("Setting options on different volumes @ same time "
+                   "successfully completed")
+        ret = is_core_file_created(self.servers, test_timestamp)
+        if (ret):
+            g.log.info("No core file found, glusterd service "
+                       "running successfully")
+        else:
+            g.log.error("core file found in directory, it "
+                        "indicates the glusterd service crash")
+            self.assertTrue(ret, ("glusterd service should not crash"))