# Copyright (C) 2015-2018 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.exceptions import ExecutionError from glustolibs.gluster.volume_libs import (expand_volume, shrink_volume, log_volume_info_and_status) from glustolibs.gluster.rebalance_ops import (rebalance_start, wait_for_rebalance_to_complete) from glustolibs.misc.misc_libs import upload_scripts from glustolibs.io.utils import (collect_mounts_arequal, validate_io_procs, list_all_files_and_dirs_mounts, wait_for_io_to_complete) @runs_on([['distributed-replicated'], ['glusterfs', 'nfs', 'cifs']]) class TestArbiterSelfHeal(GlusterBaseClass): """ Description: Arbiter Test cases related to healing in default configuration of the volume """ @classmethod def setUpClass(cls): # 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_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 setUp(self): # Calling GlusterBaseClass setUp GlusterBaseClass.setUp.im_func(self) # Setup Volumes if self.volume_type == "distributed-replicated": self.volume_configs = [] # Redefine distributed-replicated volume self.volume['voltype'] = { 'type': 'distributed-replicated', 'replica_count': 3, 'dist_count': 2, 'arbiter_count': 1, 'transport': 'tcp'} self.all_mounts_procs = [] self.io_validation_complete = False # Setup Volume and Mount Volume g.log.info("Starting to 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): """ If test method failed before validating IO, tearDown waits for the IO's to complete and checks for the IO exit status Cleanup and umount volume """ if not self.io_validation_complete: g.log.info("Wait for IO to complete as IO validation did not " "succeed in test method") ret = wait_for_io_to_complete(self.all_mounts_procs, self.mounts) if not ret: raise ExecutionError("IO failed on some of the clients") g.log.info("IO is successful on all mounts") # List all files and dirs created g.log.info("List all files and directories:") ret = list_all_files_and_dirs_mounts(self.mounts) if not ret: raise ExecutionError("Failed to list all files and dirs") g.log.info("Listing all files and directories is successful") # Cleanup and umount 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 umount the vol & cleanup Volume") g.log.info("Successful in umounting the volume and Cleanup") # Calling GlusterBaseClass teardown GlusterBaseClass.tearDown.im_func(self) def test_remove_faulty_subvol_and_add_new_subvol(self): """ - Create an distribute-replicate arbiter volume - Create IO - Calculate areequal - Remove a subvolume - Calculate areequal and compare with previous - Expand the volume - Do rebalance and check status - Calculate areequal and compare with previous """ # Creating files on client side for mount_obj in self.mounts: g.log.info("Generating data for %s:%s", mount_obj.client_system, mount_obj.mountpoint) # Create dirs with file g.log.info('Creating dirs with file...') command = ("python %s create_deep_dirs_with_files " "-d 2 " "-l 2 " "-n 2 " "-f 20 " "%s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, command, user=mount_obj.user) self.all_mounts_procs.append(proc) self.io_validation_complete = False # Validate IO self.assertTrue( validate_io_procs(self.all_mounts_procs, self.mounts), "IO failed on some of the clients" ) self.io_validation_complete = True # Get areequal before removing subvol g.log.info('Getting areequal before removing subvol...') ret, result_before_remove_subvol = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting areequal before removing subvol is successful') # Remove subvol g.log.info('Removing subvol...') ret = shrink_volume(self.mnode, self.volname, subvol_num=1) self.assertTrue(ret, 'Failed to remove subvolume') g.log.info('Removed subvolume sucsessfully') # Get areequal after removing subvol g.log.info('Getting areequal after removing subvol...') ret, result_after_remove_subvol = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting areequal after removing subvol is successful') # Comparing areequal before removing subvol # and after removing subvol self.assertEqual(result_before_remove_subvol, result_after_remove_subvol, 'Areequals before removing subvol and ' 'after removing subvol are not equal') g.log.info('Areequals before removing subvol and ' 'after removing subvol are equal') # Expand volume g.log.info('Expanding volume %s...', self.volname) ret = expand_volume(self.mnode, self.volname, self.servers, self.all_servers_info) self.assertTrue(ret, 'Failed to expand volume %s' % self.volname) g.log.info('Expanded volume %s sucsessfully', self.volname) # Log Volume Info and Status after expanding the volume g.log.info("Logging volume info and Status after expanding volume") ret = log_volume_info_and_status(self.mnode, self.volname) self.assertTrue(ret, ("Logging volume info and status failed " "on volume %s", self.volname)) g.log.info("Successful in logging volume info and status " "of volume %s", self.volname) # Do rebalance g.log.info('Starting rebalance...') ret, _, _ = rebalance_start(self.mnode, self.volname) self.assertEqual(ret, 0, 'Failed to start rebalance') g.log.info('Rebalance is started') g.log.info('Waiting for rebalance to complete...') ret = wait_for_rebalance_to_complete(self.mnode, self.volname) self.assertTrue(ret, 'Rebalance is not completed') g.log.info('Rebalance is completed successfully') # Get areequal after expanding volume g.log.info('Getting areequal after expanding volume...') ret, result_after_expand_volume = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting areequal after expanding volume is successful') # Comparing areequal before removing subvol # and after expanding volume self.assertEqual(result_before_remove_subvol, result_after_expand_volume, 'Areequals before removing subvol and ' 'after expanding volume are not equal') g.log.info('Areequals before removing subvol and ' 'after expanding volume are equal')