Setting volume option when quorum is not met

Change-Id: I2a3427cb9165cb2b06a1c72962071e286a65e0a8
Signed-off-by: Bala Konda Reddy M <bmekala@redhat.com>
Signed-off-by: Bala Konda Reddy Mekala <bmekala@redhat.com>

1 files changed, 129 insertions, 0 deletions

diff --git a/tests/functional/glusterd/test_volume_set_with_quorum_enabled.py b/tests/functional/glusterd/test_volume_set_with_quorum_enabled.py
new file mode 100644
index 000000000..ac1521d55
--- /dev/null
+++ b/tests/functional/glusterd/test_volume_set_with_quorum_enabled.py
@@ -0,0 +1,129 @@
+#  Copyright (C) 2017-2018  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 time import sleep
+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_ops import set_volume_options
+from glustolibs.gluster.gluster_init import start_glusterd, stop_glusterd
+
+
+@runs_on([['distributed', 'replicated', 'dispersed',
+           'distributed-replicated', 'distributed-dispersed'], ['glusterfs']])
+class TestVolumeSetOpWithQuorum(GlusterBaseClass):
+
+    def setUp(self):
+
+        # calling GlusterBaseClass setUp
+        GlusterBaseClass.setUp.im_func(self)
+
+        # Creating Volume
+        g.log.info("Started creating volume")
+        ret = self.setup_volume()
+        if not ret:
+            raise ExecutionError("Volume creation failed: %s" % self.volname)
+        g.log.info("Volme created successfully : %s", self.volname)
+
+    def tearDown(self):
+
+        # stopping the volume and Cleaning up the volume
+        ret = self.cleanup_volume()
+        if not ret:
+            raise ExecutionError("Failed Cleanup the Volume %s" % self.volname)
+        g.log.info("Volume deleted successfully : %s", self.volname)
+
+        # Calling GlusterBaseClass tearDown
+        GlusterBaseClass.tearDown.im_func(self)
+
+    def test_volume_set_wit_quorum_enabled(self):
+        # pylint: disable=too-many-statements
+        """
+        Create a volume
+        Set the quorum type to server and ratio to 90
+        Stop glusterd randomly on one of the node
+        Set the volume option on the volume
+        Start glusterd on the node where it is stopped
+        Set the volume option on the volume
+        """
+
+        # Enabling server quorum
+        self.quorum_options = {'cluster.server-quorum-type': 'server'}
+        ret = set_volume_options(self.mnode, self.volname, self.quorum_options)
+        self.assertTrue(ret, "gluster volume set %s cluster.server-quorum-type"
+                             " server Failed" % self.volname)
+        g.log.info("gluster volume set %s cluster.server-quorum-type server "
+                   "enabled successfully", self.volname)
+
+        # Setting Quorum ratio to 90%
+        self.quorum_perecent = {'cluster.server-quorum-ratio': '90%'}
+        ret = set_volume_options(self.mnode, 'all', self.quorum_perecent)
+        self.assertTrue(ret, "gluster volume set all cluster.server-quorum-rat"
+                             "io percentage Failed :%s" % self.servers)
+        g.log.info("gluster volume set all cluster.server-quorum-ratio 90 "
+                   "percentage enabled successfully on :%s", self.servers)
+
+        # Stop glusterd on one of the node randomly
+        self.node_on_glusterd_to_stop = random.choice(self.servers)
+        ret = stop_glusterd(self.node_on_glusterd_to_stop)
+        self.assertTrue(ret, "glusterd stop on the node failed")
+        g.log.info("glusterd stop on the node: % "
+                   "succeeded", self.node_on_glusterd_to_stop)
+
+        # checking whether peers are connected or not
+        count = 0
+        while count < 5:
+            sleep(2)
+            ret = self.validate_peers_are_connected()
+            if not ret:
+                break
+            count += 1
+        self.assertFalse(ret, "Peers are in connected state even after "
+                              "stopping glusterd on one node")
+
+        # Setting volume option when quorum is not met
+        self.new_servers = self.servers[:]
+        self.new_servers.remove(self.node_on_glusterd_to_stop)
+        self.nfs_options = {"nfs.disable": "off"}
+        ret = set_volume_options(
+            random.choice(self.new_servers), self.volname, self.nfs_options)
+        self.assertFalse(ret, "gluster volume set %s nfs.disable off "
+                         "succeeded" % self.volname)
+        g.log.info("gluster volume set %s nfs.disable off"
+                   "successfully", self.volname)
+
+        # Start glusterd on the node where it is stopped
+        ret = start_glusterd(self.node_on_glusterd_to_stop)
+        self.assertTrue(ret, "glusterd start on the node failed")
+        g.log.info("glusterd start succeeded")
+
+        # checking whether peers are connected or not
+        count = 0
+        while count < 5:
+            sleep(5)
+            ret = self.validate_peers_are_connected()
+            if ret:
+                break
+            count += 1
+        self.assertTrue(ret, "Peer are not in connected state ")
+
+        # Setting the volume option when quorum is met
+        self.nfs_options['nfs.disable'] = 'off'
+        ret = set_volume_options(self.mnode, self.volname, self.nfs_options)
+        self.assertTrue(ret, "gluster volume set %s nfs.disable "
+                             "off failed" % self.volname)
+        g.log.info("gluster volume set %s nfs.disable "
+                   "off successfully", self.volname)