# Copyright (C) 2017-2020 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. # pylint: disable=too-many-statements, too-many-locals 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_ops import set_volume_options from glustolibs.gluster.brick_libs import (get_all_bricks, bring_bricks_offline, bring_bricks_online) from glustolibs.gluster.glusterfile import get_file_stat from glustolibs.gluster.heal_libs import is_heal_complete from glustolibs.misc.misc_libs import upload_scripts from glustolibs.io.utils import validate_io_procs @runs_on([['replicated'], ['glusterfs', 'nfs', 'cifs']]) class TestSelfHeal(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) # Override Volumes if cls.volume_type == "replicated": # Define x3 replicated volume cls.volume['voltype'] = { 'type': 'replicated', 'replica_count': 3, 'transport': 'tcp'} # Setup Volume and Mount Volume g.log.info("Starting to Setup Volume and Mount Volume") ret = cls.setup_volume_and_mount_volume(cls.mounts, True) 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 Volume g.log.info("Starting to clean up Volume %s", self.volname) ret = self.unmount_volume_and_cleanup_volume(self.mounts) if not ret: raise ExecutionError("Failed to create volume") g.log.info("Successful in cleaning up Volume %s", self.volname) # Calling GlusterBaseClass teardown self.get_super_method(self, 'tearDown')() def test_heal_gfid_1x3(self): """ Description: This test case verifies the gfid self-heal on a 1x3 replicate volume. 1. file created at mount point 2. 2 bricks brought down 3. file deleted 4. created a new file from the mount point 5. all bricks brought online 6. check if gfid worked correctly """ g.log.info("setting the quorum type to fixed") options = {"cluster.quorum-type": "fixed"} ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, "unable to set the quorum type to fixed") g.log.info("Successfully set the quorum type to fixed") g.log.info("creating a file from mount point") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("/usr/bin/env python %s create_files -f 1 " "--base-file-name test_file --fixed-file-size 10k %s" % ( self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate I/O self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) g.log.info("Successfully created a file from mount point") # getting list of all bricks all_bricks = get_all_bricks(self.mnode, self.volname) self.assertIsNotNone(all_bricks, "unable to get list of bricks") g.log.info("bringing down brick1 and brick2") ret = bring_bricks_offline(self.volname, all_bricks[:2]) self.assertTrue(ret, "unable to bring bricks offline") g.log.info("Successfully brought the following bricks offline " ": %s", str(all_bricks[:2])) g.log.info("deleting the file from mount point") command = "rm -f " + self.mounts[0].mountpoint + "/test_file1" ret, _, _ = g.run(self.mounts[0].client_system, command) self.assertEqual(ret, 0, "unable to remove file from mount point") g.log.info("Successfully deleted file from mountpoint") g.log.info("creating a new file of same name and different size " "from mount point") all_mounts_procs = [] for mount_obj in self.mounts: cmd = ("/usr/bin/env python %s create_files -f 1 " "--base-file-name test_file --fixed-file-size 1M %s" % ( self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) # Validate I/O self.assertTrue( validate_io_procs(all_mounts_procs, self.mounts), "IO failed on some of the clients" ) g.log.info("Successfully created a new file of same name " "from mount point") g.log.info("bringing bricks 1 and 2 back online") ret = bring_bricks_online(self.mnode, self.volname, all_bricks[:2]) self.assertIsNotNone(ret, "unable to bring bricks online") g.log.info("Successfully brought the following bricks online " ": %s", str(all_bricks[:2])) g.log.info("checking if stat structure of the file is returned") ret = get_file_stat(self.mounts[0].client_system, self.mounts[0].mountpoint+'/test_file0.txt') self.assertTrue(ret, "unable to get file stats") g.log.info("file stat structure returned successfully") g.log.info("checking if the heal has completed") ret = is_heal_complete(self.mnode, self.volname) self.assertTrue(ret, "heal not completed") g.log.info("Self heal was completed successfully") g.log.info("checking if the areequal checksum of all the bricks in " "the subvol match") checksum_list = [] for brick in all_bricks: node, brick_path = brick.split(':') command = "arequal-checksum -p " + brick_path + \ " -i .glusterfs -i .landfill" ret, out, _ = g.run(node, command) self.assertEqual(ret, 0, "unable to get the arequal checksum " "of the brick") checksum_list.append(out) # checking file size of healed file on each brick to verify # correctness of choice for sink and source stat_dict = get_file_stat(node, brick_path + '/test_file0.txt') self.assertEqual(stat_dict['size'], '1048576', "file size of healed file is different " "than expected") flag = all(val == checksum_list[0] for val in checksum_list) self.assertTrue(flag, "the arequal checksum of all bricks is" "not same") g.log.info("the arequal checksum of all the bricks in the subvol " "is same")