From de8ad55a415ac46e46e12ee32cc59069a20d4662 Mon Sep 17 00:00:00 2001 From: Mohit Agrawal Date: Fri, 15 Jun 2018 13:27:14 +0530 Subject: Test remove brick after restart glusterd 1. Trusted storage Pool of 4 nodes 2. Create a distributed-replicated volumes with 4 bricks 3. Start the volume 4. Fuse mount the gluster volume on out of trusted nodes 5. Create some data file 6. Start remove-brick operation for one replica pair 7. Restart glusterd on all nodes 8. Try to commit the remove-brick operation while rebalance is in progress, it should fail Change-Id: I64901078865ef282b86c9b3ff54d065f976b9e84 Signed-off-by: Mohit Agrawal --- .../test_remove_brick_after_restart_glusterd.py | 174 +++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 tests/functional/glusterd/test_remove_brick_after_restart_glusterd.py (limited to 'tests/functional/glusterd') diff --git a/tests/functional/glusterd/test_remove_brick_after_restart_glusterd.py b/tests/functional/glusterd/test_remove_brick_after_restart_glusterd.py new file mode 100644 index 000000000..e1d7b3522 --- /dev/null +++ b/tests/functional/glusterd/test_remove_brick_after_restart_glusterd.py @@ -0,0 +1,174 @@ +# Copyright (C) 2018 Red Hat, Inc. +# +# 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.gluster_base_class import GlusterBaseClass, runs_on +from glustolibs.gluster.volume_ops import (volume_create, volume_start, + get_volume_list) +from glustolibs.gluster.brick_libs import get_all_bricks +from glustolibs.gluster.volume_libs import (cleanup_volume) +from glustolibs.gluster.peer_ops import (peer_probe, peer_detach, + peer_probe_servers, + nodes_from_pool_list) +from glustolibs.gluster.lib_utils import form_bricks_list +from glustolibs.gluster.brick_ops import remove_brick +from glustolibs.gluster.exceptions import ExecutionError +from glustolibs.gluster.mount_ops import mount_volume, umount_volume +from glustolibs.io.utils import validate_io_procs +from glustolibs.gluster.gluster_init import restart_glusterd + + +@runs_on([['distributed-replicated'], ['glusterfs']]) +class TestRemoveBrickAfterRestartGlusterd(GlusterBaseClass): + + def setUp(self): + + # Performing peer detach + for server in self.servers[1:]: + ret, _, _ = peer_detach(self.mnode, server) + if ret != 0: + raise ExecutionError("Peer detach failed") + g.log.info("Peer detach SUCCESSFUL.") + GlusterBaseClass.setUp.im_func(self) + + def tearDown(self): + + # Cleanup and umount volume + g.log.info("Starting to Unmount Volume %s", self.volname) + ret = umount_volume(self.mounts[0].client_system, + self.mounts[0].mountpoint, mtype=self.mount_type) + self.assertTrue(ret, ("Failed to Unmount Volume %s" % self.volname)) + g.log.info("Successfully Unmounted Volume %s", self.volname) + + # Clean up all volumes and peer probe to form cluster + vol_list = get_volume_list(self.mnode) + if vol_list is not None: + for volume in vol_list: + ret = cleanup_volume(self.mnode, volume) + if not ret: + raise ExecutionError("Failed to cleanup volume") + g.log.info("Volume deleted successfully : %s", volume) + g.log.info("Successful in umounting the volume and Cleanup") + + # Peer probe detached servers + pool = nodes_from_pool_list(self.mnode) + for node in pool: + peer_detach(self.mnode, node) + ret = peer_probe_servers(self.mnode, self.servers) + if not ret: + raise ExecutionError("Failed to probe detached " + "servers %s" % self.servers) + g.log.info("Peer probe success for detached " + "servers %s", self.servers) + GlusterBaseClass.tearDown.im_func(self) + + def test_remove_brick(self): + """ + In this test case: + 1. Trusted storage Pool of 4 nodes + 2. Create a distributed-replicated volumes with 4 bricks + 3. Start the volume + 4. Fuse mount the gluster volume on out of trusted nodes + 5. Create some data file + 6. Start remove-brick operation for one replica pair + 7. Restart glusterd on all nodes + 8. Try to commit the remove-brick operation while rebalance + is in progress, it should fail + """ + + # pylint: disable=too-many-statements + my_servers = self.servers[0:4] + my_server_info = {} + for server in self.servers[0:4]: + my_server_info[server] = self.all_servers_info[server] + for index in range(1, 4): + ret, _, _ = peer_probe(self.servers[0], self.servers[index]) + self.assertEqual(ret, 0, ("peer probe from %s to %s is failed", + self.servers[0], self.servers[index])) + g.log.info("peer probe is success from %s to " + "%s", self.servers[0], self.servers[index]) + + self.volname = "testvol" + bricks_list = form_bricks_list(self.mnode, self.volname, 4, + my_servers, + my_server_info) + g.log.info("Creating a volume %s ", self.volname) + kwargs = {} + kwargs['replica_count'] = 2 + ret = volume_create(self.mnode, self.volname, + bricks_list, force=False, **kwargs) + self.assertEqual(ret[0], 0, ("Unable" + "to create volume %s" % self.volname)) + g.log.info("Volume created successfuly %s", self.volname) + + ret, _, _ = volume_start(self.mnode, self.volname, False) + self.assertEqual(ret, 0, ("Failed to start the " + "volume %s", self.volname)) + g.log.info("Get all the bricks of the volume") + bricks_list = get_all_bricks(self.mnode, self.volname) + self.assertIsNotNone(bricks_list, "Failed to get the brick list") + g.log.info("Successfully got the list of bricks of volume") + + # Mounting a volume + ret, _, _ = mount_volume(self.volname, mtype=self.mount_type, + mpoint=self.mounts[0].mountpoint, + mserver=self.mnode, + mclient=self.mounts[0].client_system) + self.assertEqual(ret, 0, ("Volume %s is not mounted") % self.volname) + g.log.info("Volume mounted sucessfully : %s", self.volname) + + self.all_mounts_procs = [] + # Creating files + command = ("cd %s/ ; " + "for i in `seq 1 10` ; " + "do mkdir l1_dir.$i ; " + "for j in `seq 1 5` ; " + "do mkdir l1_dir.$i/l2_dir.$j ; " + "for k in `seq 1 10` ; " + "do dd if=/dev/urandom of=l1_dir.$i/l2_dir.$j/test.$k " + "bs=128k count=$k ; " + "done ; " + "done ; " + "done ; " + % (self.mounts[0].mountpoint)) + + proc = g.run_async(self.mounts[0].client_system, command, + user=self.mounts[0].user) + self.all_mounts_procs.append(proc) + self.io_validation_complete = False + # Validate IO + g.log.info("Wait for IO to complete and validate IO ...") + ret = validate_io_procs(self.all_mounts_procs, self.mounts) + self.io_validation_complete = True + self.assertTrue(ret, "IO failed on some of the clients") + g.log.info("IO is successful on all mounts") + + remove_brick_list = bricks_list[2:4] + ret, _, _ = remove_brick(self.mnode, self.volname, remove_brick_list, + 'start') + self.assertEqual(ret, 0, "Failed to start remove brick operation") + g.log.info("Remove bricks operation started successfully") + g.log.info("Restart glusterd on servers %s", self.servers) + ret = restart_glusterd(self.servers) + self.assertTrue(ret, ("Failed to restart glusterd on servers %s", + self.servers)) + g.log.info("Successfully restarted glusterd on servers %s", + self.servers) + + ret, _, _ = remove_brick(self.mnode, self.volname, remove_brick_list, + 'commit') + self.assertNotEqual(ret, 0, "Remove brick commit ops should be fail") + g.log.info("Remove bricks commit operation failure is expected") -- cgit