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-rw-r--r--tests/functional/glusterd/test_restart_glusterd_while_rebalancing.py172
1 files changed, 172 insertions, 0 deletions
diff --git a/tests/functional/glusterd/test_restart_glusterd_while_rebalancing.py b/tests/functional/glusterd/test_restart_glusterd_while_rebalancing.py
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+++ b/tests/functional/glusterd/test_restart_glusterd_while_rebalancing.py
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+# Copyright (C) 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.
+
+""" Description:
+ Test restart glusterd while rebalance is in progress
+"""
+
+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_libs import form_bricks_list_to_add_brick
+from glustolibs.gluster.brick_ops import add_brick
+from glustolibs.gluster.rebalance_ops import (rebalance_start,
+ get_rebalance_status)
+from glustolibs.gluster.gluster_init import (restart_glusterd,
+ is_glusterd_running)
+from glustolibs.io.utils import validate_io_procs
+from glustolibs.misc.misc_libs import upload_scripts
+
+
+@runs_on([['distributed', 'replicated', 'distributed-replicated',
+ 'dispersed', 'distributed-dispersed'], ['glusterfs']])
+class TestRestartGlusterdWhileRebalance(GlusterBaseClass):
+ @classmethod
+ def setUpClass(cls):
+ cls.counter = 1
+ GlusterBaseClass.setUpClass.im_func(cls)
+
+ # Uploading file_dir script in all client direcotries
+ g.log.info("Upload io scripts to clients %s for running IO on "
+ "mounts", cls.clients)
+ script_local_path = ("/usr/share/glustolibs/io/scripts/"
+ "file_dir_ops.py")
+ cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
+ "file_dir_ops.py")
+ ret = upload_scripts(cls.clients, script_local_path)
+ if not ret:
+ raise ExecutionError("Failed to upload IO scripts to clients %s"
+ % cls.clients)
+ g.log.info("Successfully uploaded IO scripts to clients %s",
+ cls.clients)
+
+ def setUp(self):
+ """
+ setUp method for every test
+ """
+ # Creating Volume
+ ret = self.setup_volume_and_mount_volume(self.mounts)
+ if not ret:
+ raise ExecutionError("Volume creation or mount failed: %s"
+ % self.volname)
+ g.log.info("Volme created and mounted successfully : %s",
+ self.volname)
+
+ # calling GlusterBaseClass setUp
+ GlusterBaseClass.setUp.im_func(self)
+
+ def tearDown(self):
+ """
+ tearDown for every test
+ """
+
+ # checking for peer status from every node
+ count = 0
+ while count < 80:
+ ret = self.validate_peers_are_connected()
+ if ret:
+ break
+ sleep(2)
+ count += 1
+
+ if not ret:
+ raise ExecutionError("Servers are not in peer probed state")
+
+ # unmounting the volume and Cleaning up the volume
+ ret = self.unmount_volume_and_cleanup_volume(self.mounts)
+ if not ret:
+ raise ExecutionError("Failed to Cleanup the Volume %s"
+ % self.volname)
+ g.log.info("Volume deleted successfully : %s", self.volname)
+
+ def test_glusterd_rebalance(self):
+
+ '''
+ -> Create Volume
+ -> Fuse mount the volume
+ -> Perform I/O on fuse mount
+ -> Add bricks to the volume
+ -> Perform rebalance on the volume
+ -> While rebalance is in progress,
+ -> restart glusterd on all the nodes in the cluster
+ '''
+
+ # run IOs
+ g.log.info("Starting IO on all mounts...")
+ self.all_mounts_procs = []
+ for mount_obj in self.mounts:
+ g.log.info("Starting IO on %s:%s", mount_obj.client_system,
+ mount_obj.mountpoint)
+ cmd = ("python %s create_deep_dirs_with_files "
+ "--dirname-start-num %d "
+ "--dir-depth 4 "
+ "--dir-length 6 "
+ "--max-num-of-dirs 3 "
+ "--num-of-files 25 %s" % (self.script_upload_path,
+ self.counter,
+ mount_obj.mountpoint))
+ proc = g.run_async(mount_obj.client_system, cmd,
+ user=mount_obj.user)
+ self.all_mounts_procs.append(proc)
+ self.counter = self.counter + 10
+
+ # Validate IO
+ g.log.info("Wait for IO to complete and validate IO ...")
+ ret = validate_io_procs(self.all_mounts_procs, self.mounts)
+ self.assertTrue(ret, "IO failed on some of the clients")
+ g.log.info("IO is successful on all mounts")
+
+ # Forming brick list
+ brick_list = form_bricks_list_to_add_brick(
+ self.mnode, self.volname, self.servers, self.all_servers_info)
+
+ # Adding Bricks
+ ret, _, _ = add_brick(self.mnode, self.volname, brick_list)
+ self.assertEqual(ret, 0, "Failed to add brick to the volume %s"
+ % self.volname)
+ g.log.info("Brick added successfully to the volume %s", self.volname)
+
+ # Performing rebalance
+ ret, _, _ = rebalance_start(self.mnode, self.volname)
+ self.assertEqual(ret, 0, 'Failed to start rebalance on volume %s'
+ % self.volname)
+ g.log.info("Rebalance started successfully on volume %s",
+ self.volname)
+
+ # Checking Rebalance is in progress or not
+ rebalance_status = get_rebalance_status(self.mnode, self.volname)
+ if rebalance_status['aggregate']['statusStr'] != 'in progress':
+ raise ExecutionError("Rebalance is not in 'in progress' state, "
+ "either rebalance is in compeleted state or"
+ " failed to get rebalance status")
+
+ # Restart glusterd
+ ret = restart_glusterd(self.servers)
+ self.assertTrue(ret, "Failed to restart glusterd on servers")
+ g.log.info("Glusterd restarted successfully on %s", self.servers)
+
+ # Checking glusterd status
+ count = 0
+ while count < 60:
+ ret = is_glusterd_running(self.servers)
+ if not ret:
+ break
+ sleep(2)
+ count += 1
+ self.assertEqual(ret, 0, "Glusterd is not running on some of the "
+ "servers")
+ g.log.info("Glusterd is running on all servers %s", self.servers)