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| -rw-r--r-- | tests/functional/dht/test_induce_holes_in_layout_by_removebrick_commit_then_fixlayout.py | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/tests/functional/dht/test_induce_holes_in_layout_by_removebrick_commit_then_fixlayout.py b/tests/functional/dht/test_induce_holes_in_layout_by_removebrick_commit_then_fixlayout.py new file mode 100644 index 000000000..d5d0956e4 --- /dev/null +++ b/tests/functional/dht/test_induce_holes_in_layout_by_removebrick_commit_then_fixlayout.py @@ -0,0 +1,154 @@ +# 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. + + +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.rebalance_ops import ( + rebalance_start, wait_for_fix_layout_to_complete) +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 + + +@runs_on([['distributed', 'distributed-replicated', 'distributed-dispersed'], + ['glusterfs']]) +class RebalanceValidation(GlusterBaseClass): + def setUp(self): + + # Calling GlusterBaseClass setUp + GlusterBaseClass.setUp.im_func(self) + + if self.volume_type == "distributed-replicated": + self.volume_configs = [] + # Redefine distributed-replicated volume + self.volume['voltype'] = { + 'type': 'distributed-replicated', + 'replica_count': 3, + 'dist_count': 4, + 'transport': 'tcp'} + + if self.volume_type == "distributed-dispersed": + self.volume_configs = [] + # Redefine distributed-dispersed volume + self.volume['voltype'] = { + 'type': 'distributed-dispersed', + 'dist_count': 3, + 'disperse_count': 6, + 'redundancy_count': 2, + 'transport': 'tcp' + } + + # 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_thenfixlayout(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 + ret = is_layout_complete(self.mnode, self.volname, dirpath='/testdir') + self.assertFalse(ret, "Volume %s: Layout is complete") + g.log.info("Volume %s: Layout has some holes") + + # Start Rebalance fix-layout + g.log.info("Volume %s: Start fix-layout", self.volname) + ret, _, _ = rebalance_start(self.mnode, self.volname, fix_layout=True) + self.assertEqual(ret, 0, ("Volume %s: fix-layout start failed" + "%s", self.volname)) + g.log.info("Volume %s: fix-layout start success", self.volname) + + # Wait for fix-layout to complete + g.log.info("Waiting for fix-layout to complete") + ret = wait_for_fix_layout_to_complete(self.mnode, self.volname) + self.assertTrue(ret, ("Volume %s: Fix-layout is either failed or " + "in-progress", self.volname)) + g.log.info("Volume %s: Fix-layout completed successfully", + self.volname) + + # 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") |