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authorkshithijiyer <kshithij.ki@gmail.com>2018-12-14 17:36:02 +0530
committerAkarsha Rai <akrai@redhat.com>2019-02-12 06:18:33 +0000
commit939a0e53a6a83892e2bc4edc2183026899fe05ba (patch)
tree8af86627c80f47ef52b6ad5602f62cff372e1ff1
parent2cb8b7a5c5796a7f41cda4c8ac03699907a40c1d (diff)
Test to reduce volume from 2x3 to 2x2 and to dist
Change-Id: I64309c3b46dc9087eeb3181acba63b981b2ecc6f Signed-off-by: kshithijiyer <kshithij.ki@gmail.com>
-rw-r--r--tests/functional/glusterd/test_volume_reduce_replica.py115
1 files changed, 115 insertions, 0 deletions
diff --git a/tests/functional/glusterd/test_volume_reduce_replica.py b/tests/functional/glusterd/test_volume_reduce_replica.py
new file mode 100644
index 0000000..82a9a60
--- /dev/null
+++ b/tests/functional/glusterd/test_volume_reduce_replica.py
@@ -0,0 +1,115 @@
+# 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.
+
+from glusto.core import Glusto as g
+from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
+from glustolibs.gluster.exceptions import ExecutionError
+from glustolibs.gluster.volume_ops import (get_volume_list, get_volume_info)
+from glustolibs.gluster.volume_libs import (cleanup_volume, setup_volume)
+from glustolibs.gluster.brick_ops import remove_brick
+from glustolibs.gluster.brick_libs import get_all_bricks
+
+
+@runs_on([['distributed-replicated'], ['glusterfs']])
+class TestVolumeReduceReplicaCount(GlusterBaseClass):
+
+ @classmethod
+ def setUpClass(cls):
+ # Calling GlusterBaseClass setUpClass
+ GlusterBaseClass.setUpClass.im_func(cls)
+
+ # Override Volumes
+ cls.volume['voltype'] = {
+ 'type': 'distributed-replicated',
+ 'dist_count': 2,
+ 'replica_count': 3,
+ 'transport': 'tcp'}
+
+ def tearDown(self):
+
+ # clean up all volumes
+ vol_list = get_volume_list(self.mnode)
+ if vol_list is None:
+ raise ExecutionError("Failed to get the volume list")
+
+ for volume in vol_list:
+ ret = cleanup_volume(self.mnode, volume)
+ if not ret:
+ raise ExecutionError("Unable to delete volume % s" % volume)
+ g.log.info("Volume deleted successfully : %s", volume)
+
+ # Removing brick directories
+ for brick in self.brick_list:
+ node, brick_path = brick.split(r':')
+ cmd = "rm -rf " + brick_path
+ ret, _, _ = g.run(node, cmd)
+ if ret:
+ raise ExecutionError("Failed to delete the brick "
+ "dir's of deleted volume")
+
+ GlusterBaseClass.tearDown.im_func(self)
+
+ def test_volume_reduce_replica_count(self):
+ """
+ Test case:
+ 1) Create a 2x3 replica volume.
+ 2) Remove bricks in the volume to make it a 2x2 replica volume.
+ 3) Remove bricks in the volume to make it a distribute volume.
+ """
+
+ # Create and start a volume
+ ret = setup_volume(self.mnode, self.all_servers_info, self.volume)
+ self.assertTrue(ret, "Failed to create and start volume")
+
+ # Getting a list of all the bricks.
+ g.log.info("Get all the bricks of the volume")
+ self.brick_list = get_all_bricks(self.mnode, self.volname)
+ self.assertIsNotNone(self.brick_list, "Failed to get the brick list")
+ g.log.info("Successfully got the list of bricks of volume")
+
+ # Converting 2x3 to 2x2 volume.
+ remove_brick_list = [self.brick_list[0], self.brick_list[3]]
+ ret, _, _ = remove_brick(self.mnode, self.volname, remove_brick_list,
+ 'force', replica_count=2)
+ self.assertEqual(ret, 0, "Failed to start remove brick operation")
+ g.log.info("Remove brick operation successfully")
+
+ # Checking if volume is 2x2 or not.
+ volume_info = get_volume_info(self.mnode, self.volname)
+ brick_count = int(volume_info[self.volname]['brickCount'])
+ self.assertEqual(brick_count, 4, "Failed to remove 2 bricks.")
+ g.log.info("Successfully removed 2 bricks.")
+ type_string = volume_info[self.volname]['typeStr']
+ self.assertEqual(type_string, 'Distributed-Replicate',
+ "Convertion to 2x2 failed.")
+ g.log.info("Convertion to 2x2 successful.")
+
+ # Converting 2x2 to distribute volume.
+ remove_brick_list = [self.brick_list[1], self.brick_list[4]]
+ ret, _, _ = remove_brick(self.mnode, self.volname, remove_brick_list,
+ 'force', replica_count=1)
+ self.assertEqual(ret, 0, "Failed to start remove brick operation")
+ g.log.info("Remove brick operation successfully")
+
+ # Checking if volume is pure distribute or not.
+ volume_info = get_volume_info(self.mnode, self.volname)
+ brick_count = int(volume_info[self.volname]['brickCount'])
+ self.assertEqual(brick_count, 2, "Failed to remove 2 bricks.")
+ g.log.info("Successfully removed 2 bricks.")
+ type_string = volume_info[self.volname]['typeStr']
+ self.assertEqual(type_string, 'Distribute',
+ "Convertion to distributed failed.")
+ g.log.info("Convertion to distributed successful.")