# Copyright (C) 2015-2020 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. from time import sleep 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 get_subvols from glustolibs.gluster.heal_libs import (monitor_heal_completion, is_heal_complete, is_volume_in_split_brain) from glustolibs.gluster.heal_ops import (trigger_heal_full, disable_heal, enable_heal) from glustolibs.misc.misc_libs import (upload_scripts, are_nodes_online, reboot_nodes) from glustolibs.io.utils import (collect_mounts_arequal, validate_io_procs, list_all_files_and_dirs_mounts, wait_for_io_to_complete) @runs_on([['dispersed', 'distributed-dispersed'], ['glusterfs']]) class TestHealFullNodeReboot(GlusterBaseClass): @classmethod def setUpClass(cls): # 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 %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 Volumes 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, volume_create_force=False) 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 self.get_super_method(self, 'tearDown')() def test_heal_full_node_reboot(self): """ - Create IO from mountpoint. - Calculate arequal from mount. - Delete data from backend from the EC volume. - Trigger heal full. - Disable Heal. - Again Enable and do Heal full. - Reboot a Node. - Calculate arequal checksum and compare it. """ # pylint: disable=too-many-locals,too-many-statements # 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 = ("/usr/bin/env 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 g.log.info("Wait for IO to complete and validate IO ...") ret = validate_io_procs(self.all_mounts_procs, self.mounts) self.assertTrue(ret, "IO failed on some of the clients") self.io_validation_complete = True g.log.info("IO is successful on all mounts") # Get arequal before deleting the files from brick g.log.info('Getting arequal before getting bricks offline...') ret, result_before_killing_procs = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting arequal before getting bricks offline ' 'is successful') subvols = get_subvols(self.mnode, self.volname)['volume_subvols'] # Delete data from backend from the erasure node for subvol in subvols: erasure = subvol[-1] g.log.info('Clearing ec brick %s', erasure) node, brick_path = erasure.split(':') ret, _, err = g.run(node, 'cd %s/ ; rm -rf *' % brick_path) self.assertFalse(ret, err) g.log.info('Clearing ec brick %s is successful', erasure) g.log.info('Clearing data from brick is unsuccessful') # Trigger heal full ret = trigger_heal_full(self.mnode, self.volname) self.assertTrue(ret, 'Unable to trigger full heal.') # Disable Heal and Enable Heal Full Again g.log.info("Disabling Healon the Servers") ret = disable_heal(self.mnode, self.volname) self.assertTrue(ret, "Disabling Failed") g.log.info("Healing is Now Disabled") g.log.info("Enbaling Heal Now") ret = enable_heal(self.mnode, self.volname) self.assertTrue(ret, "Enabling Heal failed") g.log.info("Healing is now enabled") ret = trigger_heal_full(self.mnode, self.volname) self.assertTrue(ret, 'Unable to trigger full heal.') # Reboot A Node g.log.info("Rebooting Node from the Cluster") subvols_dict = get_subvols(self.mnode, self.volname) nodes_to_reboot = [] for subvol in subvols_dict['volume_subvols']: # Define nodes to reboot brick_list = subvol[1:2] for brick in brick_list: node, brick_path = brick.split(':') if node not in nodes_to_reboot: nodes_to_reboot.append(node) # Reboot nodes on subvol and wait while rebooting g.log.info("Rebooting the nodes %s", nodes_to_reboot) ret = reboot_nodes(nodes_to_reboot) self.assertTrue(ret, 'Failed to reboot nodes %s ' % nodes_to_reboot) # Check if nodes are online counter = 0 timeout = 700 _rc = False while counter < timeout: ret, reboot_results = are_nodes_online(nodes_to_reboot) if not ret: g.log.info("Nodes are offline, Retry after 5 seconds ... ") sleep(5) counter = counter + 5 _rc = True break if not _rc: for node in reboot_results: if not reboot_results[node]: g.log.error("Node %s is offline even after " "%d minutes", node, timeout / 60.0) g.log.info("All nodes %s are up and running", nodes_to_reboot) # Trigger Heal Full ret = trigger_heal_full(self.mnode, self.volname) if not ret: sleep(10) ret = trigger_heal_full(self.mnode, self.volname) self.assertTrue(ret, 'Unable to trigger full heal.') # Monitor heal completion ret = monitor_heal_completion(self.mnode, self.volname) self.assertTrue(ret, 'Heal has not yet completed') # Check if heal is completed ret = is_heal_complete(self.mnode, self.volname) self.assertTrue(ret, 'Heal is not complete') g.log.info('Heal is completed successfully') # Check for split-brain ret = is_volume_in_split_brain(self.mnode, self.volname) self.assertFalse(ret, 'Volume is in split-brain state') g.log.info('Volume is not in split-brain state') # Get arequal after healing g.log.info('Getting arequal after getting bricks online...') ret, result_after_healing = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting arequal after getting bricks online ' 'is successful') # Comparing arequals self.assertEqual(result_before_killing_procs, result_after_healing, 'Arequals before killing arbiter ' 'processes and after healing are not equal') g.log.info('Arequals before killing arbiter ' 'processes and after healing are equal')