# Copyright (C) 2016-2020 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 from glustolibs.io.utils import is_io_procs_fail_with_error @runs_on([['replicated', 'distributed-replicated'], ['glusterfs', 'nfs']]) 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 cls.get_super_method(cls, 'setUpClass')() # Upload io scripts for running IO on mounts g.log.info("Upload io scripts to clients %s for running IO on " "mounts", cls.clients) cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/" "file_dir_ops.py") ret = upload_scripts(cls.clients, cls.script_upload_path) if not ret: raise ExecutionError("Failed to upload IO scripts to clients") def setUp(self): """ setUp method for every test """ # calling GlusterBaseClass setUp self.get_super_method(self, 'setUp')() # 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 self.get_super_method(self, 'tearDown')() 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-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) cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) ret, _, err = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, "IO failed on %s with '%s'" % (self.mounts[0].client_system, err)) # 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) cmd = ("/usr/bin/env python %s create_files " "-f 10 --base-file-name second_file %s" % ( self.script_upload_path, self.mounts[0].mountpoint)) ret, _, err = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, "IO failed on %s with '%s'" % (self.mounts[0].client_system, err)) # 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 all_mounts_procs = [] g.log.info("Starting IO on mountpount...") g.log.info("mounts: %s", self.mounts) cmd = ("mkdir %s/newdir && touch %s/newdir/myfile{1..3}.txt" % (self.mounts[0].mountpoint, self.mounts[0].mountpoint)) proc = g.run_async(self.mounts[0].client_system, cmd, user=self.mounts[0].user) all_mounts_procs.append(proc) # Validate IO g.log.info("Validating whether IO failed with " "Transport endpoint is not connected") ret, _ = is_io_procs_fail_with_error(self, all_mounts_procs, self.mounts, self.mount_type) self.assertTrue(ret, ("Unexpected error and IO successful" " on not connected transport endpoint")) g.log.info("EXPECTED: Transport endpoint is not connected" " while creating files")