From dbaad29430e627b2e21b0f6c7619a907076d157e Mon Sep 17 00:00:00 2001 From: kshithijiyer Date: Wed, 30 Jan 2019 12:54:43 +0530 Subject: Test case to change reserve limit with remove brick in progress Change-Id: I53fb7f4cceae395698568129669dc5f3a9a5e4bb Signed-off-by: kshithijiyer --- .../glusterd/test_change_reserve_limit.py | 270 +++++++++++++++++++++ 1 file changed, 270 insertions(+) create mode 100644 tests/functional/glusterd/test_change_reserve_limit.py (limited to 'tests/functional') diff --git a/tests/functional/glusterd/test_change_reserve_limit.py b/tests/functional/glusterd/test_change_reserve_limit.py new file mode 100644 index 000000000..07aea98ae --- /dev/null +++ b/tests/functional/glusterd/test_change_reserve_limit.py @@ -0,0 +1,270 @@ +# Copyright (C) 2019 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.exceptions import ExecutionError +from glustolibs.misc.misc_libs import upload_scripts +from glustolibs.gluster.volume_libs import (cleanup_volume, setup_volume) +from glustolibs.gluster.volume_ops import (get_volume_list, set_volume_options) +from glustolibs.gluster.mount_ops import mount_volume, umount_volume +from glustolibs.io.utils import validate_io_procs +from glustolibs.gluster.brick_libs import get_all_bricks +from glustolibs.gluster.brick_ops import remove_brick +from glustolibs.gluster.glusterdir import rmdir + + +@runs_on([['distributed-replicated'], ['glusterfs']]) +class TestChangeReservcelimit(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 tearDown(self): + + # Setting storage.reserve to Default + ret = set_volume_options(self.mnode, self.volname, + {'storage.reserve': '0'}) + if not ret: + raise ExecutionError("Failed to reset storage reserve on %s" + % self.mnode) + g.log.info("Able to reset storage reserve successfully on %s", + self.mnode) + + # Unmounting the volume. + ret, _, _ = umount_volume(mclient=self.mounts[0].client_system, + mpoint=self.mounts[0].mountpoint) + if ret: + raise ExecutionError("Volume %s is not unmounted" % self.volname) + g.log.info("Volume unmounted successfully : %s", self.volname) + ret = rmdir(self.mounts[0].client_system, self.mounts[0].mountpoint) + if not ret: + raise ExecutionError("Failed to remove directory mount directory.") + g.log.info("Mount directory is removed successfully") + + # clean up all volumes + vol_list = get_volume_list(self.mnode) + if not vol_list: + raise ExecutionError("Failed to get the volume list") + + for volume in vol_list: + ret = cleanup_volume(self.mnode, volume) + if not ret: + raise ExecutionError("Unable to delete volume % s" % volume) + g.log.info("Volume deleted successfully : %s", volume) + + # Cleaning the deleted volume bricks + for brick in self.brick_list: + node, brick_path = brick.split(r':') + cmd = "rm -rf " + brick_path + ret, _, _ = g.run(node, cmd) + if ret: + raise ExecutionError("Failed to delete the brick " + "dir's of deleted volume") + + GlusterBaseClass.tearDown.im_func(self) + + def test_change_reserve_limit_to_lower_value(self): + + # pylint: disable=too-many-statements + """ + Test Case: + 1) Create a distributed-replicated volume and start it. + 2) Enable storage.reserve option on the volume using below command: + gluster volume set storage.reserve + 3) Mount the volume on a client. + 4) Write some data on the mount points. + 5) Start remove-brick operation. + 6) While remove-brick is in-progress change the reserve limit to a + lower value. + """ + + # Create and start a volume + ret = setup_volume(self.mnode, self.all_servers_info, self.volume) + self.assertTrue(ret, "Failed to create and start volume") + + # Setting storage.reserve to 50 + ret = set_volume_options(self.mnode, self.volname, + {'storage.reserve': '50'}) + self.assertTrue(ret, "Failed to set storage reserve on %s" + % self.mnode) + g.log.info("Able to set storage reserve successfully on %s", + self.mnode) + + # Mounting the 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 successfully : %s", self.volname) + + # 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 2 " + "--dir-length 5 " + "--max-num-of-dirs 3 " + "--num-of-files 10 %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 + self.assertTrue( + validate_io_procs(self.all_mounts_procs, self.mounts), + "IO failed on some of the clients" + ) + + # Getting a list of all the bricks. + g.log.info("Get all the bricks of the volume") + self.brick_list = get_all_bricks(self.mnode, self.volname) + self.assertIsNotNone(self.brick_list, "Failed to get the brick list") + g.log.info("Successfully got the list of bricks of volume") + + # Removing bricks from volume. + remove_brick_list = self.brick_list[3:6] + 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.") + + # Setting storage.reserve to 33 + ret = set_volume_options(self.mnode, self.volname, + {'storage.reserve': '33'}) + self.assertTrue(ret, "Failed to set storage reserve on %s" + % self.mnode) + g.log.info("Able to set storage reserve successfully on %s", + self.mnode) + + # Stopping brick remove opeation. + ret, _, _ = remove_brick(self.mnode, self.volname, + remove_brick_list, 'stop') + self.assertEqual(ret, 0, "Failed to stop remove brick operation") + g.log.info("Remove bricks operation stop successfully") + + def test_change_reserve_limit_to_higher_value(self): + + # pylint: disable=too-many-statements + """ + Test Case: + 1) Create a distributed-replicated volume and start it. + 2) Enable storage.reserve option on the volume using below command: + gluster volume set storage.reserve + 3) Mount the volume on a client. + 4) Write some data on the mount points. + 5) Start remove-brick operation. + 6) While remove-brick is in-progress change the reserve limit to + a higher value. + """ + + # Create and start a volume + ret = setup_volume(self.mnode, self.all_servers_info, self.volume) + self.assertTrue(ret, "Failed to create and start volume") + + # Setting storage.reserve to 50 + ret = set_volume_options(self.mnode, self.volname, + {'storage.reserve': '50'}) + self.assertTrue(ret, "Failed to set storage reserve on %s" + % self.mnode) + g.log.info("Able to set storage reserve successfully on %s", + self.mnode) + + # Mounting the 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 successfully : %s", self.volname) + + # 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 2 " + "--dir-length 5 " + "--max-num-of-dirs 3 " + "--num-of-files 10 %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 + self.assertTrue( + validate_io_procs(self.all_mounts_procs, self.mounts), + "IO failed on some of the clients" + ) + + # Getting a list of all the bricks. + g.log.info("Get all the bricks of the volume") + self.brick_list = get_all_bricks(self.mnode, self.volname) + self.assertIsNotNone(self.brick_list, "Failed to get the brick list") + g.log.info("Successfully got the list of bricks of volume") + + # Removing bricks from volume. + remove_brick_list = self.brick_list[3:6] + 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.") + + # Setting storage.reserve to 99 + ret = set_volume_options(self.mnode, self.volname, + {'storage.reserve': '99'}) + self.assertTrue(ret, "Failed to set storage reserve on %s" + % self.mnode) + g.log.info("Able to set storage reserve successfully on %s", + self.mnode) + + # Stopping brick remove opeation. + ret, _, _ = remove_brick(self.mnode, self.volname, + remove_brick_list, 'stop') + self.assertEqual(ret, 0, "Failed to stop remove brick operation") + g.log.info("Remove bricks operation stop successfully") -- cgit