# 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_ops import set_volume_options from glustolibs.gluster.volume_libs import ( verify_all_process_of_volume_are_online) from glustolibs.gluster.brick_libs import (select_bricks_to_bring_offline, bring_bricks_offline, bring_bricks_online, are_bricks_offline, wait_for_bricks_to_be_online) from glustolibs.gluster.heal_libs import ( wait_for_self_heal_daemons_to_be_online, monitor_heal_completion) from glustolibs.misc.misc_libs import upload_scripts from glustolibs.io.utils import (collect_mounts_arequal, validate_io_procs) @runs_on([['replicated', 'distributed-replicated'], ['glusterfs', 'cifs', 'nfs']]) class TestSelfHeal(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) # Overriding the volume type to specifically test the volume type # Change from distributed-replicated to arbiter if cls.volume_type == "distributed-replicated": cls.volume['voltype'] = { 'type': 'distributed-replicated', 'dist_count': 2, 'replica_count': 3, 'arbiter_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_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 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 """ # 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_self_heal_algorithm_full_daemon_off(self): """"" Description:- Checking healing when algorithm is set to "full" and self heal daemon is "off". """"" # pylint: disable=too-many-statements # Setting volume option of self heal & algorithm options = {"metadata-self-heal": "disable", "entry-self-heal": "disable", "data-self-heal": "disable", "data-self-heal-algorithm": "full", "self-heal-daemon": "off"} ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, "Failed to set the volume options %s" % options) g.log.info(" Volume set options success") # Select bricks to bring down bricks_to_bring_offline_dict = (select_bricks_to_bring_offline( self.mnode, self.volname)) bricks_to_bring_offline = bricks_to_bring_offline_dict['volume_bricks'] g.log.info("Bringing bricks: %s offline", bricks_to_bring_offline) ret = bring_bricks_offline(self.volname, bricks_to_bring_offline) self.assertTrue(ret, "Failed to bring bricks: %s offline" % bricks_to_bring_offline) g.log.info("Successful in bringing bricks: %s offline", bricks_to_bring_offline) # Validate if bricks are offline g.log.info("Validating if bricks: %s are offline", bricks_to_bring_offline) ret = are_bricks_offline(self.mnode, self.volname, bricks_to_bring_offline) self.assertTrue(ret, "Not all the bricks in list:%s are offline" % bricks_to_bring_offline) g.log.info("Successfully validated that bricks %s are all offline", bricks_to_bring_offline) # IO on the mount point all_mounts_procs = [] g.log.info("Creating Files on %s:%s", self.mounts[0].client_system, self.mounts[0].mountpoint) cmd = ("cd %s ;for i in `seq 1 100` ;" "do dd if=/dev/urandom of=file$i bs=1M " "count=1;done" % 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 self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # Collecting Arequal before bring the bricks up g.log.info("Collecting Arequal before the bring of bricks down") result_before = collect_mounts_arequal(self.mounts) # Turning self heal daemon ON optionstwo = {"self-heal-daemon": "on"} ret = set_volume_options(self.mnode, self.volname, optionstwo) self.assertTrue(ret, "Failed to turn self-heal ON") g.log.info("Volume set options %s: success", optionstwo) # Bring bricks online g.log.info("Bring bricks: %s online", bricks_to_bring_offline) ret = bring_bricks_online(self.mnode, self.volname, bricks_to_bring_offline) self.assertTrue(ret, "Failed to bring bricks: %s online" % bricks_to_bring_offline) g.log.info("Successfully brought all bricks:%s online", bricks_to_bring_offline) # Waiting for bricks to come online g.log.info("Waiting for brick process to come online") ret = wait_for_bricks_to_be_online(self.mnode, self.volname, timeout=30) self.assertTrue(ret, "bricks didn't come online after adding bricks") g.log.info("Bricks are online") # Verifying all bricks online g.log.info("Verifying volume's all process are online") ret = verify_all_process_of_volume_are_online(self.mnode, self.volname) self.assertTrue(ret, "Volume %s : All process are not online" % self.volname) g.log.info("Volume %s : All process are online", self.volname) # Wait for self heal processes to come online g.log.info("Wait for selfheal process to come online") ret = wait_for_self_heal_daemons_to_be_online(self.mnode, self.volname, timeout=300) self.assertTrue(ret, "Self-heal process are not online") g.log.info("All self heal process are online") # Wait for self-heal to complete g.log.info("Wait for self-heal to complete") ret = monitor_heal_completion(self.mnode, self.volname) self.assertTrue(ret, "Self heal didn't complete even after waiting " "for 20 minutes. 20 minutes is too much a time for " "current test workload") g.log.info("self-heal is successful after replace-brick operation") # arequal after healing g.log.info("Collecting Arequal before the bring of bricks down") result_after = collect_mounts_arequal(self.mounts) # Comparing the results g.log.info("comparing both the results") self.assertEqual(result_before, result_after, "Arequals are not equal")