# Copyright (C) 2016-2017 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. """ Description: Test Cases in this module tests the client side quorum. """ from glusto.core import Glusto as g from glustolibs.gluster.exceptions import ExecutionError from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on from glustolibs.gluster.volume_libs import ( set_volume_options, get_subvols) from glustolibs.gluster.volume_ops import get_volume_options from glustolibs.misc.misc_libs import upload_scripts from glustolibs.gluster.brick_libs import (bring_bricks_offline, bring_bricks_online) from glustolibs.io.utils import (validate_io_procs, is_io_procs_fail_with_rofs) @runs_on([['replicated', 'distributed-replicated'], ['glusterfs', 'nfs', 'cifs']]) class ClientSideQuorumTests(GlusterBaseClass): """ ClientSideQuorumTests contains tests which verifies the client side quorum Test Cases """ @classmethod def setUpClass(cls): """ Upload the necessary scripts to run tests. """ # calling GlusterBaseClass setUpClass GlusterBaseClass.setUpClass.im_func(cls) # Upload io scripts for running IO on mounts g.log.info("Upload io scripts to clients %s for running IO on " "mounts", cls.clients) script_abs_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_abs_path) if not ret: raise ExecutionError("Failed to upload IO scripts to clients") def setUp(self): """ setUp method for every test """ # calling GlusterBaseClass setUp GlusterBaseClass.setUp.im_func(self) # Setup Volume and Mount Volume g.log.info("Starting to Setup Volume %s", self.volname) ret = self.setup_volume_and_mount_volume(self.mounts) if not ret: raise ExecutionError("Failed to Setup_Volume and Mount_Volume") g.log.info("Successful in Setup Volume and Mount Volume") def tearDown(self): """ tearDown for every test """ # stopping the 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") # Calling GlusterBaseClass tearDown GlusterBaseClass.tearDown.im_func(self) def test_client_side_quorum_with_auto_option(self): """ Test Script to verify the Client Side Quorum with auto option * set cluster.quorum-type to auto. * start I/O from the mount point. * kill 2 of the brick process from the each and every replica set * perform ops """ # pylint: disable=too-many-branches,too-many-statements # set cluster.quorum-type to auto options = {"cluster.quorum-type": "auto"} g.log.info("setting cluster.quorum-type to auto on " "volume %s", self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set volume option %s for" "volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # write files on all mounts g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name file %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # get the subvolumes g.log.info("Starting to get sub-volumes for volume %s", self.volname) subvols_dict = get_subvols(self.mnode, self.volname) num_subvols = len(subvols_dict['volume_subvols']) g.log.info("Number of subvolumes in volume %s:", num_subvols) # bring bricks offline( 2 bricks ) for all the subvolumes for i in range(0, num_subvols): subvol_brick_list = subvols_dict['volume_subvols'][i] g.log.info("sub-volume %s brick list : %s", i, subvol_brick_list) # For volume type: 1 * 2, bring 1 brick offline if len(subvol_brick_list) == 2: bricks_to_bring_offline = subvol_brick_list[0:1] else: bricks_to_bring_offline = subvol_brick_list[0:2] g.log.info("Going to bring down the brick process " "for %s", bricks_to_bring_offline) ret = bring_bricks_offline(self.volname, bricks_to_bring_offline) self.assertTrue(ret, ("Failed to bring down the bricks. Please " "check the log file for more details.")) g.log.info("Brought down the brick process " "for %s successfully", bricks_to_bring_offline) # create 2 files named newfile0.txt and newfile1.txt g.log.info("Start creating 2 files on all mounts...") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 2 --base-file-name newfile %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with read-only filesystem") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected error and IO successful" " on read-only filesystem")) g.log.info("EXPECTED: Read-only file system in IO while creating file") # create directory user1 g.log.info("Start creating directory on all mounts...") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_deep_dir " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with read-only filesystem") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected error and IO successful" " on read-only filesystem")) g.log.info("EXPECTED: Read-only file system in IO while" " creating directory") # create h/w link to file g.log.info("Start creating hard link for file0.txt on all mounts") for mount_obj in self.mounts: cmd = "ln %s/file0.txt %s/file0.txt_hwlink" \ % (mount_obj.mountpoint, mount_obj.mountpoint) ret, _, err = g.run(mount_obj.client_system, cmd) self.assertTrue(ret, ("Unexpected error and creating hard link" " successful on read-only filesystem")) self.assertIn("Read-only file system", err, "Read-only filesystem not found in " "IO while truncating file") g.log.info("EXPECTED: Read-only file system in IO") # create s/w link g.log.info("Start creating soft link for file1.txt on all mounts") for mount_obj in self.mounts: cmd = "ln -s %s/file1.txt %s/file1.txt_swlink" %\ (mount_obj.mountpoint, mount_obj.mountpoint) ret, _, err = g.run(mount_obj.client_system, cmd) self.assertTrue(ret, ("Unexpected error and creating soft link" " successful on read-only filesystem")) self.assertIn("Read-only file system", err, "Read-only filesystem not found in " "IO while truncating file") g.log.info("EXPECTED: Read-only file system in IO") # append to file g.log.info("Appending to file1.txt on all mounts") for mount_obj in self.mounts: cmd = "cat %s/file0.txt >> %s/file1.txt" %\ (mount_obj.mountpoint, mount_obj.mountpoint) ret, _, err = g.run(mount_obj.client_system, cmd) self.assertTrue(ret, ("Unexpected error and append successful" " on read-only filesystem")) self.assertIn("Read-only file system", err, "Read-only filesystem not found in " "IO while truncating file") g.log.info("EXPECTED: Read-only file system in IO") # modify the file g.log.info("Modifying file1.txt on all mounts") for mount_obj in self.mounts: cmd = "echo 'Modify Contents' > %s/file1.txt"\ % (mount_obj.mountpoint) ret, _, err = g.run(mount_obj.client_system, cmd) self.assertTrue(ret, ("Unexpected error and modifying successful" " on read-only filesystem")) self.assertIn("Read-only file system", err, "Read-only filesystem not found in " "IO while truncating file") g.log.info("EXPECTED: Read-only file system in IO") # truncate the file g.log.info("Truncating file1.txt on all mounts") for mount_obj in self.mounts: cmd = "truncate -s 0 %s/file1.txt" % (mount_obj.mountpoint) ret, _, err = g.run(mount_obj.client_system, cmd) self.assertTrue(ret, ("Unexpected error and truncating file" " successful on read-only filesystem")) self.assertIn("Read-only file system", err, "Read-only filesystem not found in " "IO while truncating file") g.log.info("EXPECTED: Read-only file system in IO") # read the file g.log.info("Starting reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # stat on file g.log.info("stat on file1.txt on all mounts") for mount_obj in self.mounts: cmd = "stat %s/file1.txt" % (mount_obj.mountpoint) ret, _, err = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, ("Unexpected error and stat on file fails" " on read-only filesystem")) g.log.info("stat on file is successful on read-only filesystem") # stat on dir g.log.info("stat on directory on all mounts") for mount_obj in self.mounts: cmd = ("python %s stat %s" % (self.script_upload_path, mount_obj.mountpoint)) ret, _, err = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, ("Unexpected error and stat on directory" " fails on read-only filesystem")) g.log.info("stat on dir is successful on read-only filesystem") # ls on mount point g.log.info("ls on mount point on all mounts") for mount_obj in self.mounts: cmd = ("python %s ls %s" % (self.script_upload_path, mount_obj.mountpoint)) ret, _, err = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, ("Unexpected error and listing file fails" " on read-only filesystem")) g.log.info("listing files is successful on read-only filesystem") def test_client_side_quorum_with_fixed_validate_max_bricks(self): """ Test Script with Client Side Quorum with fixed should validate maximum number of bricks to accept * set cluster quorum to fixed * set cluster.quorum-count to higher number which is greater than number of replicas in a sub-voulme * Above step should fail """ # set cluster.quorum-type to fixed options = {"cluster.quorum-type": "fixed"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # get the subvolumes g.log.info("Starting to get sub-volumes for volume %s", self.volname) subvols_dict = get_subvols(self.mnode, self.volname) num_subvols = len(subvols_dict['volume_subvols']) g.log.info("Number of subvolumes in volume %s is %s", self.volname, num_subvols) # get the number of bricks in replica set num_bricks_in_subvol = len(subvols_dict['volume_subvols'][0]) g.log.info("Number of bricks in each replica set : %s", num_bricks_in_subvol) # set cluster.quorum-count to higher value than the number of bricks in # repliac set start_range = num_bricks_in_subvol + 1 end_range = num_bricks_in_subvol + 30 for i in range(start_range, end_range): options = {"cluster.quorum-count": "%s" % i} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertFalse(ret, ("Able to set %s for volume %s, quorum-count" " should not be greater than number of" " bricks in replica set" % (options, self.volname))) g.log.info("Expected: Unable to set %s for volume %s, " "quorum-count should be less than number of bricks " "in replica set", options, self.volname) def test_client_side_quorum_with_auto_option_overwrite_fixed(self): """ Test Script to verify the Client Side Quorum with auto option * check the default value of cluster.quorum-type * try to set any junk value to cluster.quorum-type other than {none,auto,fixed} * check the default value of cluster.quorum-count * set cluster.quorum-type to fixed and cluster.quorum-count to 1 * start I/O from the mount point * kill 2 of the brick process from the each replica set. * set cluster.quorum-type to auto """ # pylint: disable=too-many-locals,too-many-lines,too-many-statements # check the default value of cluster.quorum-type option = "cluster.quorum-type" g.log.info("Getting %s for the volume %s", option, self.volname) option_dict = get_volume_options(self.mnode, self.volname, option) self.assertIsNotNone(option_dict, ("Failed to get %s volume option" " for volume %s" % (option, self.volname))) self.assertEqual(option_dict['cluster.quorum-type'], 'auto', ("Default value for %s is not auto" " for volume %s" % (option, self.volname))) g.log.info("Succesfully verified default value of %s for volume %s", option, self.volname) # set the junk value to cluster.quorum-type junk_values = ["123", "abcd", "fixxed", "Aauto"] for each_junk_value in junk_values: options = {"cluster.quorum-type": "%s" % each_junk_value} g.log.info("setting %s for the volume " "%s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertFalse(ret, ("Able to set junk value %s for " "volume %s" % (options, self.volname))) g.log.info("Expected: Unable to set junk value %s " "for volume %s", options, self.volname) # check the default value of cluster.quorum-count option = "cluster.quorum-count" g.log.info("Getting %s for the volume %s", option, self.volname) option_dict = get_volume_options(self.mnode, self.volname, option) self.assertIsNotNone(option_dict, ("Failed to get %s volume option" " for volume %s" % (option, self.volname))) self.assertEqual(option_dict['cluster.quorum-count'], '(null)', ("Default value for %s is not null" " for volume %s" % (option, self.volname))) g.log.info("Successful in getting %s for the volume %s", option, self.volname) # set cluster.quorum-type to fixed and cluster.quorum-count to 1 options = {"cluster.quorum-type": "fixed", "cluster.quorum-count": "1"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # create files g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name file %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # get the subvolumes g.log.info("starting to get subvolumes for volume %s", self.volname) subvols_dict = get_subvols(self.mnode, self.volname) num_subvols = len(subvols_dict['volume_subvols']) g.log.info("Number of subvolumes in volume %s is %s", self.volname, num_subvols) # bring bricks offline( 2 bricks ) for all the subvolumes for i in range(0, num_subvols): subvol_brick_list = subvols_dict['volume_subvols'][i] g.log.info("sub-volume %s brick list : %s", i, subvol_brick_list) bricks_to_bring_offline = subvol_brick_list[0:2] g.log.info("Going to bring down the brick process " "for %s", bricks_to_bring_offline) ret = bring_bricks_offline(self.volname, bricks_to_bring_offline) self.assertTrue(ret, ("Failed to bring down the bricks. Please " "check the log file for more details.")) g.log.info("Brought down the brick process " "for %s successfully", bricks_to_bring_offline) # create files g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name second_file %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # set cluster.quorum-type to auto options = {"cluster.quorum-type": "auto"} g.log.info("setting %s for volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set volume option %s for " "volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # create files g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_deep_dirs_with_files --dir-depth 2 " "--dir-length 2 --max-num-of-dirs 3 --num-of-files 7 %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # check IO failed with Read Only File System error g.log.info("Wait for IO to complete and validate IO.....") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected error and IO successful " "on Read-only file system. Please check the " "logs for more details")) g.log.info("EXPECTED : Read-only file system in IO while " "creating files") @runs_on([['replicated', 'distributed-replicated'], ['glusterfs']]) class ClientSideQuorumTestsWithSingleVolumeCross3(GlusterBaseClass): """ ClientSideQuorumTestsWithSingleVolumeCross3 contains tests which verifies the client side quorum Test Cases with cross 3 volume. """ @classmethod def setUpClass(cls): """ Upload the necessary scripts to run tests. """ # calling GlusterBaseClass setUpClass GlusterBaseClass.setUpClass.im_func(cls) # Overriding the volume type to specifically test the volume type if cls.volume_type == "replicated": cls.volume['voltype'] = { 'type': 'replicated', 'replica_count': 3, 'dist_count': 1, 'transport': 'tcp' } # Upload io scripts for running IO on mounts g.log.info("Upload io scripts to clients %s for running IO on " "mounts", cls.clients) script_abs_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_abs_path) if not ret: raise ExecutionError("Failed to upload IO scripts to clients") def setUp(self): """ setUp method for every test """ # calling GlusterBaseClass setUp GlusterBaseClass.setUp.im_func(self) # Setup Volume and Mount Volume g.log.info("Starting to Setup Volume %s", self.volname) ret = self.setup_volume_and_mount_volume(self.mounts) if not ret: raise ExecutionError("Failed to Setup_Volume and Mount_Volume") g.log.info("Successful in Setup Volume and Mount Volume") def tearDown(self): """ tearDown for every test """ # stopping the 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") # Calling GlusterBaseClass tearDown GlusterBaseClass.tearDown.im_func(self) def test_client_side_quorum_with_fixed_for_cross3(self): """ Test Script to verify the Client Side Quorum with fixed for cross 3 volume * Disable self heal daemom * set cluster.quorum-type to fixed. * start I/O( write and read )from the mount point - must succeed * Bring down brick1 * start I/0 ( write and read ) - must succeed * Bring down brick2 * start I/0 ( write and read ) - must succeed * set the cluster.quorum-count to 1 * start I/0 ( write and read ) - must succeed * set the cluster.quorum-count to 2 * start I/0 ( write and read ) - read must pass, write will fail * bring back the brick1 online * start I/0 ( write and read ) - must succeed * Bring back brick2 online * start I/0 ( write and read ) - must succeed * set cluster.quorum-type to auto * start I/0 ( write and read ) - must succeed * Bring down brick1 and brick2 * start I/0 ( write and read ) - read must pass, write will fail * set the cluster.quorum-count to 1 * start I/0 ( write and read ) - read must pass, write will fail * set the cluster.quorum-count to 3 * start I/0 ( write and read ) - read must pass, write will fail * set the quorum-type to none * start I/0 ( write and read ) - must succeed """ # pylint: disable=too-many-locals,too-many-statements,too-many-branches # Disable self heal daemon options = {"cluster.self-heal-daemon": "off"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # set cluster.quorum-type to fixed options = {"cluster.quorum-type": "fixed"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/O( write ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name file %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # get the subvolumes g.log.info("Starting to get sub-volumes for volume %s", self.volname) subvols_dict = get_subvols(self.mnode, self.volname) num_subvols = len(subvols_dict['volume_subvols']) g.log.info("Number of subvolumes in volume %s:", num_subvols) # bring down brick1 for all the subvolumes offline_brick1_from_replicasets = [] for i in range(0, num_subvols): subvol_brick_list = subvols_dict['volume_subvols'][i] g.log.info("sub-volume %s brick list : %s", i, subvol_brick_list) brick_to_bring_offline1 = subvol_brick_list[0] g.log.info("Going to bring down the brick process " "for %s", brick_to_bring_offline1) ret = bring_bricks_offline(self.volname, brick_to_bring_offline1) self.assertTrue(ret, ("Failed to bring down the bricks. Please " "check the log file for more details.")) g.log.info("Brought down the brick process " "for %s successfully", brick_to_bring_offline1) offline_brick1_from_replicasets.append(brick_to_bring_offline1) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name testfile %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # bring down brick2 for all the subvolumes offline_brick2_from_replicasets = [] for i in range(0, num_subvols): subvol_brick_list = subvols_dict['volume_subvols'][i] g.log.info("sub-volume %s brick list : %s", i, subvol_brick_list) brick_to_bring_offline2 = subvol_brick_list[1] g.log.info("Going to bring down the brick process " "for %s", brick_to_bring_offline2) ret = bring_bricks_offline(self.volname, brick_to_bring_offline2) self.assertTrue(ret, ("Failed to bring down the bricks. Please " "check the log file for more details.")) g.log.info("Brought down the brick process " "for %s successfully", brick_to_bring_offline2) offline_brick2_from_replicasets.append(brick_to_bring_offline2) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name newfile %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set the cluster.quorum-count to 1 options = {"cluster.quorum-count": "1"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name filename %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set the cluster.quorum-count to 2 options = {"cluster.quorum-count": "2"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - read must pass, write will fail g.log.info("Starting IO on all mounts......") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name testfilename %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with Read Only File System") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected Error and IO successful" " on Read-Only File System")) g.log.info("EXPECTED Read-only file system in IO while creating file") # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # bring back the brick1 online for all subvolumes g.log.info("bringing up the brick : %s online", offline_brick1_from_replicasets) ret = bring_bricks_online(self.mnode, self.volname, offline_brick1_from_replicasets) self.assertTrue(ret, ("Failed to brought the brick %s online" % offline_brick1_from_replicasets)) g.log.info("Successfully brought the brick %s online", offline_brick1_from_replicasets) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name newfilename %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # Bring back brick2 online g.log.info("bringing up the brick : %s online", offline_brick2_from_replicasets) ret = bring_bricks_online(self.mnode, self.volname, offline_brick2_from_replicasets) self.assertTrue(ret, ("Failed to brought the brick %s online" % offline_brick2_from_replicasets)) g.log.info("Successfully brought the brick %s online", offline_brick2_from_replicasets) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name textfile %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set cluster.quorum-type to auto options = {"cluster.quorum-type": "auto"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name newtextfile %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # bring down brick1 and brick2 for all the subvolumes for i in range(0, num_subvols): subvol_brick_list = subvols_dict['volume_subvols'][i] g.log.info("sub-volume %s brick list : %s", i, subvol_brick_list) bricks_to_bring_offline = subvol_brick_list[0:2] g.log.info("Going to bring down the brick process " "for %s", bricks_to_bring_offline) ret = bring_bricks_offline(self.volname, bricks_to_bring_offline) self.assertTrue(ret, ("Failed to bring down the bricks. Please " "check the log file for more details.")) g.log.info("Brought down the brick process " "for %s successfully", bricks_to_bring_offline) # start I/0 ( write and read ) - read must pass, write will fail g.log.info("Start creating files on all mounts...") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name newtestfile %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with Read-only file system") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected error and IO successful" " on Read-only file system")) g.log.info("EXPECTED: Read-only file system in IO while creating file") # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set the cluster.quorum-count to 1 options = {"cluster.quorum-count": "1"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - read must pass, write will fail g.log.info("Start creating files on all mounts...") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name newtestfilename %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with Read-only file system") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected error and IO successful" " on Read-only file system")) g.log.info("EXPECTED: Read-only file system in IO while creating file") # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set the cluster.quorum-count to 3 options = {"cluster.quorum-count": "3"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - read must pass, write will fail g.log.info("Start creating files on all mounts...") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name textfilename %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with Read-only file system") ret, _ = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts) self.assertTrue(ret, ("Unexpected error and IO successful" " on Read-only file system")) g.log.info("EXPECTED: Read-only file system in IO while creating file") # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" ) # set the quorum-type to none options = {"cluster.quorum-type": "none"} g.log.info("setting %s for the volume %s", options, self.volname) ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, ("Unable to set %s for volume %s" % (options, self.volname))) g.log.info("Successfully set %s for volume %s", options, self.volname) # start I/0 ( write and read ) - must succeed g.log.info("Starting IO on all mounts...") g.log.info("mounts: %s", self.mounts) all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s create_files " "-f 10 --base-file-name lastfile %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # read the file g.log.info("Start reading files on all mounts") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("python %s read " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate IO self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "Reads failed on some of the clients" )