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+# Copyright (C) 2020 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.
+
+""" Description:
+ Default max bricks per-process should be 250
+"""
+
+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 (get_volume_options,
+ reset_volume_option,
+ set_volume_options)
+
+
+@runs_on([['distributed', 'replicated', 'distributed-replicated',
+ 'dispersed', 'distributed-dispersed', 'arbiter',
+ 'distributed-arbiter'], ['glusterfs']])
+class TestDefaultMaxBricksPerProcess(GlusterBaseClass):
+ def setUp(self):
+ # calling GlusterBaseClass setUp
+ self.get_super_method(self, 'setUp')()
+
+ ret = self.setup_volume()
+ if not ret:
+ raise ExecutionError("Volume creation failed: %s"
+ % self.volname)
+ g.log.info("Volume created successfully : %s", self.volname)
+
+ def tearDown(self):
+ # Cleaning up the volume
+ ret = self.cleanup_volume()
+ if not ret:
+ raise ExecutionError("Failed to cleanup the volume %s"
+ % self.volname)
+ g.log.info("Volume deleted successfully: %s", self.volname)
+
+ # Calling GlusterBaseClass tearDown
+ self.get_super_method(self, 'tearDown')()
+
+ def test_default_max_bricks_per_process(self):
+ """
+ Test Case:
+ 1) Create a volume and start it.
+ 2) Fetch the max bricks per process value
+ 3) Reset the volume options
+ 4) Fetch the max bricks per process value
+ 5) Compare the value fetched in last step with the initial value
+ 6) Enable brick-multiplexing in the cluster
+ 7) Fetch the max bricks per process value
+ 8) Compare the value fetched in last step with the initial value
+ """
+ # Fetch the max bricks per process value
+ ret = get_volume_options(self.mnode, 'all')
+ self.assertIsNotNone(ret, "Failed to execute the volume get command")
+ initial_value = ret['cluster.max-bricks-per-process']
+ g.log.info("Successfully fetched the max bricks per-process value")
+
+ # Reset the volume options
+ ret, _, _ = reset_volume_option(self.mnode, 'all', 'all')
+ self.assertEqual(ret, 0, "Failed to reset the volumes")
+ g.log.info("Volumes reset was successful")
+
+ # Fetch the max bricks per process value
+ ret = get_volume_options(self.mnode, 'all')
+ self.assertIsNotNone(ret, "Failed to execute the volume get command")
+
+ # Comparing the values
+ second_value = ret['cluster.max-bricks-per-process']
+ self.assertEqual(initial_value, second_value, "Unexpected: Max"
+ " bricks per-process value is not equal")
+
+ # Enable brick-multiplex in the cluster
+ ret = set_volume_options(self.mnode, 'all',
+ {'cluster.brick-multiplex': 'enable'})
+ self.assertTrue(ret, "Failed to enable brick-multiplex"
+ " for the cluster")
+ g.log.info("Successfully enabled brick-multiplex in the cluster")
+
+ # Fetch the max bricks per process value
+ ret = get_volume_options(self.mnode, 'all')
+ self.assertIsNotNone(ret, "Failed to execute the volume get command")
+
+ # Comparing the values
+ third_value = ret['cluster.max-bricks-per-process']
+ self.assertEqual(initial_value, third_value, "Unexpected: Max bricks"
+ " per-process value is not equal")