# 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.snap_ops import (snap_create, snap_restore) from glustolibs.gluster.volume_ops import (volume_stop, volume_start) from glustolibs.gluster.volume_libs import ( verify_all_process_of_volume_are_online, wait_for_volume_process_to_be_online, get_subvols) from glustolibs.misc.misc_libs import upload_scripts from glustolibs.io.utils import collect_mounts_arequal @runs_on([['distributed-replicated', 'replicated'], ['glusterfs', 'nfs']]) class TestArbiterSelfHeal(GlusterBaseClass): """ Arbiter Self-Heal tests """ @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'} # 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") self.subvols = get_subvols(self.mnode, self.volname)['volume_subvols'] def tearDown(self): """ 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") # Clear all brick folders before snapshot for subvol in self.subvols: for brick in subvol: g.log.info('Clearing brick %s', brick) node, brick_path = brick.split(':') ret, _, _ = g.run(node, 'rm -rf %s' % brick_path) if ret: raise ExecutionError('Failed in clearing brick %s' % brick) g.log.info('Clearing brick %s is successful', brick) g.log.info('Clearing for all brick is successful') # Calling GlusterBaseClass teardown GlusterBaseClass.tearDown.im_func(self) def test_create_snapshot_and_verify_content(self): """ - Create an arbiter volume - Create IO - Calculate arequal of the mount point - Take a snapshot of the volume - Create new data on mount point - Restore the snapshot - Calculate arequal of the mount point - Compare arequals """ # Creating files on client side g.log.info("Generating data for %s:%s", self.mounts[0].client_system, self.mounts[0].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, self.mounts[0].mountpoint)) ret, _, err = g.run(self.mounts[0].client_system, command, user=self.mounts[0].user) self.assertFalse(ret, err) g.log.info("IO is successful") # Get arequal before snapshot g.log.info('Getting arequal before snapshot...') ret, arequal_before_snapshot = collect_mounts_arequal(self.mounts[0]) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting arequal before snapshot is successful') # Create snapshot snapshot_name = 'testsnap' g.log.info("Creating snapshot %s ...", snapshot_name) ret, _, err = snap_create(self.mnode, self.volname, snapshot_name) self.assertEqual(ret, 0, err) g.log.info("Snapshot %s created successfully", snapshot_name) # Add files on client side g.log.info("Generating data for %s:%s", self.mounts[0].client_system, self.mounts[0].mountpoint) # Create dirs with file g.log.info('Adding dirs with file...') command = ("python %s create_deep_dirs_with_files " "-d 2 " "-l 2 " "-n 2 " "-f 20 " "%s" % (self.script_upload_path, self.mounts[0].mountpoint+'/new_files')) ret, _, err = g.run(self.mounts[0].client_system, command, user=self.mounts[0].user) self.assertFalse(ret, err) g.log.info("IO is successful") # Stop the volume g.log.info("Stopping %s ...", self.volname) ret, _, err = volume_stop(self.mnode, self.volname) self.assertEqual(ret, 0, err) g.log.info("Volume %s stopped successfully", self.volname) # Revert snapshot g.log.info("Reverting snapshot %s ...", snapshot_name) ret, _, err = snap_restore(self.mnode, snapshot_name) self.assertEqual(ret, 0, err) g.log.info("Snapshot %s restored successfully", snapshot_name) # Start the volume g.log.info("Starting %s ...", self.volname) ret, _, err = volume_start(self.mnode, self.volname) self.assertEqual(ret, 0, err) g.log.info("Volume %s started successfully", self.volname) # Wait for volume processes to be online g.log.info("Wait for volume processes to be online") ret = wait_for_volume_process_to_be_online(self.mnode, self.volname) self.assertTrue(ret, ("Failed to wait for volume %s processes to " "be online", self.volname)) g.log.info("Successful in waiting for volume %s processes to be " "online", self.volname) # Verify volume's all process are 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) # Get arequal after restoring snapshot g.log.info('Getting arequal after restoring snapshot...') ret, arequal_after_restoring = collect_mounts_arequal(self.mounts[0]) self.assertTrue(ret, "Collecting arequal-checksum failed") # Checking arequals before creating and after restoring snapshot self.assertEqual(arequal_before_snapshot, arequal_after_restoring, 'Arequal before creating snapshot ' 'and after restoring snapshot are not equal') g.log.info('Arequal before creating snapshot ' 'and after restoring snapshot are equal')