# Copyright (C) 2017-2018 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. import copy from glusto.core import Glusto as g from glustolibs.gluster.gluster_base_class import (GlusterBaseClass, runs_on) from glustolibs.gluster.mount_ops import (mount_volume, umount_volume, is_mounted) from glustolibs.gluster.exceptions import ExecutionError from glustolibs.misc.misc_libs import upload_scripts from glustolibs.gluster.glusterdir import mkdir from glustolibs.gluster.auth_ops import set_auth_allow from glustolibs.io.utils import validate_io_procs, get_mounts_stat from glustolibs.gluster.volume_libs import ( log_volume_info_and_status, shrink_volume, wait_for_volume_process_to_be_online) @runs_on([['distributed', 'distributed-replicated', 'distributed-dispersed'], ['glusterfs']]) class SubdirWithRemoveBrick(GlusterBaseClass): """ This test case validates fuse subdir functionality when remove-brick operation is performed """ @classmethod def setUpClass(cls): """ setup volume and mount volume calling GlusterBaseClass setUpClass """ GlusterBaseClass.setUpClass.im_func(cls) # Setup Volume and Mount Volume g.log.info("Starting to Setup and Mount Volume %s", cls.volname) ret = cls.setup_volume_and_mount_volume(mounts=cls.mounts) if not ret: raise ExecutionError("Failed to Setup_Volume " "and Mount_Volume %s" % cls.volname) g.log.info("Successful in Setup and Mount Volume %s", cls.volname) # 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 test_subdir_with_removebrick(self): # pylint: disable=too-many-statements """ Mount the volume Create 2 subdir on client subdir1 and subdir2 Auth allow - Client1(subdir1,subdir2),Client2(subdir1,subdir2) Mount the subdir to their respective clients Start IO's on both subdirs Perform remove-brick Validate on client if subdir's are mounted post remove-brick operation is performed """ # Create directories subdir1 and subdir2 on mount point ret = mkdir(self.mounts[0].client_system, "%s/subdir1" % self.mounts[0].mountpoint) self.assertTrue(ret, ("Failed to create directory 'subdir1' in" "volume %s from client %s" % (self.mounts[0].volname, self.mounts[0].client_system))) ret = mkdir(self.mounts[0].client_system, "%s/subdir2" % self.mounts[0].mountpoint) self.assertTrue(ret, ("Failed to create directory 'subdir2' in" "volume %s from client %s" % (self.mounts[0].volname, self.mounts[0].client_system))) # unmount volume ret = self.unmount_volume(self.mounts) self.assertTrue(ret, "Volumes UnMount failed") g.log.info("Volumes UnMounted successfully") # Set authentication on the subdirectory subdir1 # and subdir2 to access by 2 clients g.log.info('Setting authentication on subdir1 and subdir2' 'for client %s and %s', self.clients[0], self.clients[0]) ret = set_auth_allow(self.volname, self.mnode, {'/subdir1': [self.clients[0], self.clients[1]], '/subdir2': [self.clients[0], self.clients[1]]}) self.assertTrue(ret, 'Failed to set Authentication on volume %s' % self.volume) self.mpoint = "/mnt/Mount_Point1" # Mount Subdir1 mount on client 1 _, _, _ = mount_volume("%s/subdir1" % self.volname, self.mount_type, self.mpoint, self.mnode, self.clients[0]) # Checking subdir1 is mounted or not ret = is_mounted("%s/subdir1" % self.volname, self.mpoint, self.mnode, self.clients[0], self.mount_type) self.assertTrue(ret, "Volume not mounted on mount point: %s" % self.mpoint) g.log.info("Volume %s mounted on %s/subdir1", self.volname, self.mpoint) # Mount Subdir2 mount on client 2 _, _, _ = mount_volume("%s/subdir2" % self.volname, self.mount_type, self.mpoint, self.mnode, self.clients[1]) # Checking subdir2 is mounted or not ret = is_mounted("%s/subdir2" % self.volname, self.mpoint, self.mnode, self.clients[1], self.mount_type) self.assertTrue(ret, "Volume not mounted on mount point: %s" % self.mpoint) g.log.info("Volume %s mounted on %s/subdir2", self.volname, self.mpoint) # Start IO on all the subdir mounts. self.subdir_mounts = [copy.deepcopy(self.mounts[0]), copy.deepcopy(self.mounts[1])] self.subdir_mounts[0].volname = "%s/subdir1" % self.volname self.subdir_mounts[1].volname = "%s/subdir2" % self.volname all_mounts_procs = [] count = 1 for mount_obj in self.subdir_mounts: g.log.info("Starting IO on %s:%s", mount_obj.client_system, self.mpoint) cmd = ("python %s create_deep_dirs_with_files " "--dirname-start-num %d " "--dir-depth 2 " "--dir-length 10 " "--max-num-of-dirs 5 " "--num-of-files 5 %s" % (self.script_upload_path, count, self.mpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) count = count + 10 # Validate IO g.log.info("Validating IO's") ret = validate_io_procs(all_mounts_procs, self.subdir_mounts) self.assertTrue(ret, "IO failed on some of the clients") g.log.info("Successfully validated all io's") # Get stat of all the files/dirs created. g.log.info("Get stat of all the files/dirs created.") ret = get_mounts_stat(self.subdir_mounts) self.assertTrue(ret, "Stat failed on some of the clients") g.log.info("Successfully got stat of all files/dirs created") # Perform remove brick operation when subdir is mounted on client g.log.info("Start removing bricks from volume") ret = shrink_volume(self.mnode, self.volname) self.assertTrue(ret, ("Remove brick operation failed on " "%s", self.volname)) g.log.info("Remove brick operation is successful on " "volume %s", 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, ("All volume %s processes failed to come up " "online", self.volname)) g.log.info("All volume %s processes came up " "online successfully", self.volname) # Log Volume Info and Status after performing remove brick g.log.info("Logging volume info and Status after shrinking 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) # Again Checking subdir1 is mounted or not on Client 1 ret = is_mounted("%s/subdir1" % self.volname, self.mpoint, self.mnode, self.clients[0], self.mount_type) self.assertTrue(ret, "Volume not mounted on mount point: %s" % self.mpoint) g.log.info("Volume %s mounted on %s/subdir1", self.volname, self.mpoint) # Again Checking subdir2 is mounted or not on Client 2 ret = is_mounted("%s/subdir2" % self.volname, self.mpoint, self.mnode, self.clients[1], self.mount_type) self.assertTrue(ret, "Volume not mounted on mount point: %s" % self.mpoint) g.log.info("Volume %s mounted on %s/subdir2", self.volname, self.mpoint) def tearDown(self): """ Clean up the volume and umount volume from client """ # Unmount Volume from client g.log.info("Starting to Unmount volume") for client in self.clients: ret, _, _ = umount_volume(client, self.mpoint, self.mount_type) if ret != 0: raise ExecutionError("Unmounting the mount point %s failed" % self.mpoint) g.log.info("Unmount Volume Successful") cmd = ("rm -rf %s") % self.mpoint ret, _, _ = g.run(client, cmd) g.log.info("Mount point %s deleted successfully", self.mpoint) # cleanup-volume ret = self.cleanup_volume() if not ret: raise ExecutionError("Failed to Cleanup Volume") g.log.info("Cleanup volume %s Completed Successfully", self.volname)