From 104afd83858236f86726b9083e20f81ff411e1e8 Mon Sep 17 00:00:00 2001 From: Prasad Desala Date: Wed, 27 Jun 2018 12:22:31 +0530 Subject: TC: Induce holes in layout by removebrick force then lookup Objective: When induced holes in the layout by remove brick force, lookup sent on the directory from client should fix the directory layout without any holes or overlaps. Change-Id: If4af10929e8e7d4da93cea80c515e37acf53d34e Signed-off-by: Prasad Desala --- ...s_in_layout_by_removebrick_force_then_lookup.py | 136 +++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 tests/functional/dht/test_induce_holes_in_layout_by_removebrick_force_then_lookup.py diff --git a/tests/functional/dht/test_induce_holes_in_layout_by_removebrick_force_then_lookup.py b/tests/functional/dht/test_induce_holes_in_layout_by_removebrick_force_then_lookup.py new file mode 100644 index 000000000..031b18dc9 --- /dev/null +++ b/tests/functional/dht/test_induce_holes_in_layout_by_removebrick_force_then_lookup.py @@ -0,0 +1,136 @@ +# 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. + +import tempfile +from glusto.core import Glusto as g + +from glustolibs.gluster.brick_ops import remove_brick +from glustolibs.gluster.constants import \ + TEST_LAYOUT_IS_COMPLETE as LAYOUT_IS_COMPLETE +from glustolibs.gluster.constants import FILETYPE_DIRS +from glustolibs.gluster.dht_test_utils import validate_files_in_dir +from glustolibs.gluster.exceptions import ExecutionError +from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on +from glustolibs.gluster.volume_libs import ( + log_volume_info_and_status, form_bricks_list_to_remove_brick) +from glustolibs.gluster.dht_test_utils import is_layout_complete +from glustolibs.gluster.mount_ops import mount_volume + + +@runs_on([['distributed', 'distributed-replicated', 'distributed-dispersed'], + ['glusterfs']]) +class RebalanceValidation(GlusterBaseClass): + def setUp(self): + + # Calling GlusterBaseClass setUp + GlusterBaseClass.setUp.im_func(self) + + # Setup Volume and Mount Volume + g.log.info("Starting to Setup Volume and Mount Volume") + ret = self.setup_volume_and_mount_volume(mounts=self.mounts) + if not ret: + raise ExecutionError("Failed to Setup_Volume and Mount_Volume") + g.log.info("Successful in Setup Volume and Mount Volume") + + # Form bricks list for Shrinking volume + self.remove_brick_list = form_bricks_list_to_remove_brick(self.mnode, + self.volname, + subvol_num=1) + if not self.remove_brick_list: + g.log.error("Volume %s: Failed to form bricks list " + "for volume shrink", self.volname) + raise ExecutionError("Volume %s: Failed to form bricks list " + "for volume shrink" % self.volname) + g.log.info("Volume %s: Formed bricks list for volume shrink", + self.volname) + + def test_induce_holes_then_lookup(self): + + # pylint: disable=too-many-statements + m_point = self.mounts[0].mountpoint + command = 'mkdir -p ' + m_point + '/testdir' + ret, _, _ = g.run(self.clients[0], command) + self.assertEqual(ret, 0, "mkdir failed") + g.log.info("mkdir is successful") + + # DHT Layout validation + g.log.debug("Verifying hash layout values %s:%s", + self.clients[0], self.mounts[0].mountpoint) + ret = validate_files_in_dir(self.clients[0], self.mounts[0].mountpoint, + test_type=LAYOUT_IS_COMPLETE, + file_type=FILETYPE_DIRS) + self.assertTrue(ret, "LAYOUT_IS_COMPLETE: FAILED") + g.log.info("LAYOUT_IS_COMPLETE: PASS") + + # Log Volume Info and Status before shrinking the volume. + g.log.info("Logging volume info and Status before shrinking volume") + log_volume_info_and_status(self.mnode, self.volname) + + # Shrinking volume by removing bricks + g.log.info("Start removing bricks from volume") + ret, _, _ = remove_brick(self.mnode, self.volname, + self.remove_brick_list, "force") + self.assertFalse(ret, "Remove-brick with force: FAIL") + g.log.info("Remove-brick with force: PASS") + + # Check the layout + dirpath = '/testdir' + ret = is_layout_complete(self.mnode, self.volname, dirpath) + self.assertFalse(ret, "Volume %s: Layout is complete") + g.log.info("Volume %s: Layout has some holes") + + # Mount the volume on a new mount point + mount_point = tempfile.mkdtemp() + ret, _, _ = mount_volume(self.volname, mtype='glusterfs', + mpoint=mount_point, + mserver=self.mnode, + mclient=self.mnode) + self.assertEqual(ret, 0, ("Failed to do gluster mount on volume %s", + self.volname)) + g.log.info("Volume %s: mount success", self.mnode) + + # Send a look up on the directory + cmd = 'ls %s%s' % (mount_point, dirpath) + ret, _, err = g.run(self.mnode, cmd) + self.assertEqual(ret, 0, ("Lookup failed on %s with error %s", + (dirpath, err))) + g.log.info("Lookup sent successfully on %s", dirpath) + + # DHT Layout validation + g.log.debug("Verifying hash layout values %s:%s", + self.clients[0], self.mounts[0].mountpoint) + ret = validate_files_in_dir(self.clients[0], self.mounts[0].mountpoint, + test_type=LAYOUT_IS_COMPLETE, + file_type=FILETYPE_DIRS) + self.assertTrue(ret, "LAYOUT_IS_COMPLETE: FAILED") + g.log.info("LAYOUT_IS_COMPLETE: PASS") + + def tearDown(self): + + # Cleaning the removed bricks + for brick in self.remove_brick_list: + brick_node, brick_path = brick.split(":") + cmd = "rm -rf " + brick_path + ret, _, _ = g.run(brick_node, cmd) + if ret: + raise ExecutionError("Failed to delete removed brick dir " + "%s:%s" % (brick_node, brick_path)) + # Unmount Volume and Cleanup Volume + g.log.info("Starting to Unmount Volume and Cleanup Volume") + ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts) + if not ret: + raise ExecutionError("Failed to Unmount Volume and Cleanup Volume") + g.log.info("Successful in Unmount Volume and Cleanup Volume") -- cgit