diff options
Diffstat (limited to 'tests/functional/dht/test_kill_brick_with_remove_brick.py')
-rw-r--r-- | tests/functional/dht/test_kill_brick_with_remove_brick.py | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/tests/functional/dht/test_kill_brick_with_remove_brick.py b/tests/functional/dht/test_kill_brick_with_remove_brick.py new file mode 100644 index 000000000..0257b3d86 --- /dev/null +++ b/tests/functional/dht/test_kill_brick_with_remove_brick.py @@ -0,0 +1,128 @@ +# 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. + +from random import choice + +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.brick_ops import remove_brick +from glustolibs.gluster.rebalance_ops import ( + wait_for_remove_brick_to_complete, get_remove_brick_status) +from glustolibs.gluster.volume_libs import form_bricks_list_to_remove_brick +from glustolibs.misc.misc_libs import upload_scripts, kill_process +from glustolibs.io.utils import collect_mounts_arequal + + +@runs_on([['distributed-replicated', 'distributed-arbiter'], ['glusterfs']]) +class TestKillBrickWithRemoveBrick(GlusterBaseClass): + + @classmethod + def setUpClass(cls): + # Calling GlusterBaseClass setUpClass + cls.get_super_method(cls, 'setUpClass')() + + # Upload io scripts for running IO on mounts + cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/" + "file_dir_ops.py") + ret = upload_scripts(cls.clients, cls.script_upload_path) + if not ret: + raise ExecutionError("Failed to upload IO scripts to clients %s" % + cls.clients) + + def setUp(self): + + self.get_super_method(self, 'setUp')() + + # Changing dist_count to 3 + self.volume['voltype']['dist_count'] = 3 + + # Creating Volume and mounting the volume + ret = self.setup_volume_and_mount_volume(self.mounts) + if not ret: + raise ExecutionError("Volume creation or mount failed: %s" + % self.volname) + + def tearDown(self): + + # Unmounting and cleaning volume + ret = self.unmount_volume_and_cleanup_volume(self.mounts) + if not ret: + raise ExecutionError("Unable to delete volume %s" % self.volname) + + self.get_super_method(self, 'tearDown')() + + def test_kill_brick_with_remove_brick(self): + """ + Test case: + 1. Create a volume, start it and mount it. + 2. Create some data on the volume. + 3. Start remove-brick on the volume. + 4. When remove-brick is in progress kill brick process of a brick + which is being remove. + 5. Remove-brick should complete without any failures. + """ + # Start I/O from clients on the volume + counter = 1 + for mount_obj in self.mounts: + cmd = ("/usr/bin/env python %s create_deep_dirs_with_files " + "--dirname-start-num %d --dir-depth 2 " + "--dir-length 10 --max-num-of-dirs 5 " + "--num-of-files 5 %s" % ( + self.script_upload_path, + counter, mount_obj.mountpoint)) + ret, _, _ = g.run(mount_obj.client_system, cmd) + self.assertFalse(ret, "Failed to create datat on volume") + counter += 10 + + # Collect arequal checksum before ops + arequal_checksum_before = collect_mounts_arequal(self.mounts[0]) + + # Start remove-brick on the volume + brick_list = form_bricks_list_to_remove_brick(self.mnode, self.volname) + self.assertIsNotNone(brick_list, "Brick list is empty") + + ret, _, _ = remove_brick(self.mnode, self.volname, brick_list, 'start') + self.assertFalse(ret, "Failed to start remove-brick on volume") + g.log.info("Successfully started remove-brick on volume") + + # Check rebalance is in progress + ret = get_remove_brick_status(self.mnode, self.volname, brick_list) + ret = ret['aggregate']['statusStr'] + self.assertEqual(ret, "in progress", ("Rebalance is not in " + "'in progress' state, either " + "rebalance is in completed state" + " or failed to get rebalance " + "status")) + + # kill brick process of a brick which is being removed + brick = choice(brick_list) + node, _ = brick.split(":") + ret = kill_process(node, process_names="glusterfsd") + self.assertTrue(ret, "Failed to kill brick process of brick %s" + % brick) + + # Wait for remove-brick to complete on the volume + ret = wait_for_remove_brick_to_complete(self.mnode, self.volname, + brick_list, timeout=1200) + self.assertTrue(ret, "Remove-brick didn't complete") + g.log.info("Remove brick completed successfully") + + # Check for data loss by comparing arequal before and after ops + arequal_checksum_after = collect_mounts_arequal(self.mounts[0]) + self.assertEqual(arequal_checksum_before, arequal_checksum_after, + "arequal checksum is NOT MATCHNG") + g.log.info("arequal checksum is SAME") |