# Copyright (C) 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. """ Test Description: Tests Data Consistency and Intergrity """ from random import sample 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.io.utils import validate_io_procs, collect_mounts_arequal from glustolibs.gluster.brick_libs import (are_bricks_offline, bring_bricks_offline, bring_bricks_online, wait_for_bricks_to_be_online, get_offline_bricks_list) from glustolibs.gluster.glusterdir import mkdir from glustolibs.gluster.volume_libs import get_subvols @runs_on([['dispersed', 'distributed-dispersed'], ['glusterfs']]) class TestEcDataIntegrity(GlusterBaseClass): @classmethod def setUpClass(cls): # Calling GlusterBaseClass setUpClass cls.get_super_method(cls, 'setUpClass')() # Upload io scripts for running IO on mounts 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 %s" % cls.clients) g.log.info("Successfully uploaded IO scripts to clients %s", cls.clients) def setUp(self): # Calling GlusterBaseClass setUp self.get_super_method(self, 'setUp')() # 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") def tearDown(self): """ Cleanup and umount volume """ # Cleanup and umount volume ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts) if not ret: raise ExecutionError("Failed to umount the vol & cleanup Volume") g.log.info("Successful in umounting the volume and Cleanup") # Calling GlusterBaseClass teardown self.get_super_method(self, 'tearDown')() def _bring_redundant_bricks_offline(self, mnode, volname): """ Bring redundant bricks offline """ brickset_to_offline = [] # List two bricks in each subvol all_subvols_dict = get_subvols(mnode, volname) subvols = all_subvols_dict['volume_subvols'] for subvol in subvols: self.assertTrue(subvol, "List is empty") brickset_to_offline.extend(sample(subvol, 2)) # Bring two bricks of each subvol down ret = bring_bricks_offline(volname, brickset_to_offline) self.assertTrue(ret, "Bricks are still online") # Validating the bricks are offline ret = are_bricks_offline(mnode, volname, brickset_to_offline) self.assertTrue(ret, "Few of the bricks are still online in" " {} ".format(brickset_to_offline)) return brickset_to_offline def test_ec_data_integrity(self): """ Test steps: - Create directory dir1 - Create 5 dir and 5 files in each dir in directory 1 - Rename all file inside dir1 - Truncate at any dir in mountpoint inside dir1 - Create softlink and hardlink of files in mountpoint - chmod, chown, chgrp inside dir1 - Create tiny, small, medium nd large file - Creating files on client side for dir1 - Validating IO's and waiting to complete - Get arequal of dir1 - Bring redundant bricks offline - Get arequal of dir1 after 1st set of bricks down - Bring redundant bricks offline - Get arequal of dir1 after 2nd set of bricks down """ # pylint: disable=too-many-branches,too-many-statements,too-many-locals brickset_to_offline = [] # Creating dir1 ret = mkdir(self.mounts[0].client_system, "%s/dir1" % self.mounts[0].mountpoint) self.assertTrue(ret, "Failed to create dir1") g.log.info("Directory dir1 on %s created successfully", self.mounts[0]) # Create 5 dir and 5 files in each dir at mountpoint on dir1 start, end = 1, 5 for mount_obj in self.mounts: # Number of dir and files to be created. dir_range = ("%s..%s" % (str(start), str(end))) file_range = ("%s..%s" % (str(start), str(end))) # Create dir 1-5 at mountpoint. ret = mkdir(mount_obj.client_system, "%s/dir1/dir{%s}" % (mount_obj.mountpoint, dir_range)) self.assertTrue(ret, "Failed to create directory") g.log.info("Directory created successfully") # Create files inside each dir. cmd = ('touch %s/dir1/dir{%s}/file{%s};' % (mount_obj.mountpoint, dir_range, file_range)) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, "File creation failed") g.log.info("File created successfull") # Increment counter so that at next client dir and files are made # with diff offset. Like at next client dir will be named # dir6, dir7...dir10. Same with files. start += 5 end += 5 # Rename all files inside dir1 at mountpoint on dir1 cmd = ('cd %s/dir1/dir1/; ' 'for FILENAME in *;' 'do mv $FILENAME Unix_$FILENAME; cd ~;' 'done;' % self.mounts[0].mountpoint) ret, _, _ = g.run(self.mounts[0].client_system, cmd) self.assertEqual(ret, 0, "Failed to rename file on " "client") g.log.info("Successfully renamed file on client") # Truncate at any dir in mountpoint inside dir1 # start is an offset to be added to dirname to act on # diff files at diff clients. start = 1 for mount_obj in self.mounts: cmd = ('cd %s/dir1/dir%s/; ' 'for FILENAME in *;' 'do echo > $FILENAME; cd ~;' 'done;' % (mount_obj.mountpoint, str(start))) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, "Truncate failed") g.log.info("Truncate of files successfull") # Create softlink and hardlink of files in mountpoint start = 1 for mount_obj in self.mounts: for link_type, ln_mode in (('softlink', 'ln -s'), ('hardlink', 'ln')): cmd = ('cd %s/dir1/dir%s; ' 'for FILENAME in *; ' 'do %s $FILENAME %s_$FILENAME; cd ~;' 'done;' % (mount_obj.mountpoint, str(start), ln_mode, link_type)) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, "Creating %s have failed" % link_type) g.log.info("%s of files created successfully", link_type) start += 5 # chmod, chown, chgrp inside dir1 # start and end used as offset to access diff files # at diff clients. start, end = 2, 5 for mount_obj in self.mounts: dir_file_range = '%s..%s' % (str(start), str(end)) cmd = ('chmod 777 %s/dir1/dir{%s}/file{%s}' % (mount_obj.mountpoint, dir_file_range, dir_file_range)) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, "Changing mode of files has failed") g.log.info("Mode of files have been changed successfully") cmd = ('chown root %s/dir1/dir{%s}/file{%s}' % (mount_obj.mountpoint, dir_file_range, dir_file_range)) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, "Changing owner of files has failed") g.log.info("Owner of files have been changed successfully") cmd = ('chgrp root %s/dir1/dir{%s}/file{%s}' % (mount_obj.mountpoint, dir_file_range, dir_file_range)) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, "Changing group of files has failed") g.log.info("Group of files have been changed successfully") start += 5 end += 5 # Create tiny, small, medium and large file # at mountpoint. Offset to differ filenames # at diff clients. offset = 1 for mount_obj in self.mounts: for size, filename in (('100', 'tiny_file'), ('20M', 'small_file'), ('200M', 'medium_file'), ('1G', 'large_file')): cmd = 'fallocate -l {} {}{}.txt'.format(size, filename, offset) ret, _, _ = g.run(mount_obj.client_system, cmd) self.assertFalse(ret, "Fallocate for files failed") g.log.info("Fallocate for files successfully") offset += 1 # Creating files on client side for dir1 # Write IO all_mounts_procs, count = [], 1 for mount_obj in self.mounts: cmd = ("/usr/bin/env python %s create_deep_dirs_with_files " "--dirname-start-num %d --dir-depth 2 " "--dir-length 10 --max-num-of-dirs 5 " "--num-of-files 5 %s/dir1" % ( self.script_upload_path, count, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) count += 10 # Validating IO's and waiting to complete ret = validate_io_procs(all_mounts_procs, self.mounts) self.assertTrue(ret, "IO failed on some of the clients") g.log.info("Successfully validated all IO's") # Get arequal of dir1 ret, result_before_bricks_down = ( collect_mounts_arequal(self.mounts[0], path='dir1/')) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting arequal of dir1 ' 'is successful') # Bring redundant bricks offline brickset_to_offline = self._bring_redundant_bricks_offline( self.mnode, self.volname) # Get arequal of dir1 after 1st set of bricks down ret, result_after_1st_brickset_down = ( collect_mounts_arequal(self.mounts[0], path='dir1/')) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting arequal of dir1 ' 'is successful') # Bring bricks online ret = bring_bricks_online(self.mnode, self.volname, brickset_to_offline) self.assertTrue(ret, 'Bricks not brought online') g.log.info('Bricks are online successfully') # Wait for brick to come online ret = wait_for_bricks_to_be_online(self.mnode, self.volname) self.assertTrue(ret, "Bricks are not online") g.log.info("EXPECTED : Bricks are online") # Check if bricks are online ret = get_offline_bricks_list(self.mnode, self.volname) self.assertListEqual(ret, [], 'All bricks are not online') g.log.info('All bricks are online') # Bring redundant bricks offline brickset_to_offline = self._bring_redundant_bricks_offline( self.mnode, self.volname) # Get arequal of dir1 after 2nd set of bricks down ret, result_after_2nd_brickset_down = ( collect_mounts_arequal(self.mounts[0], path='dir1/')) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting arequal of dir1 ' 'is successful') # Comparing arequals self.assertEqual(result_before_bricks_down, result_after_1st_brickset_down, 'Arequals are not equals before brickset ' 'down and after 1st brickset down') g.log.info('Arequals are equals before brickset down ' 'and after brickset down') self.assertEqual(result_after_2nd_brickset_down, result_after_1st_brickset_down, 'Arequals are not equals before 2nd set ' 'brick down and after 1st set brick down') g.log.info('Arequals are equals for 2nd brickset down ' 'and 1st brickset down')