# 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. """ Description: Test Cases in this module tests the failover operation when sub-dir is mounted """ import copy from glusto.core import Glusto as g from glustolibs.gluster.gluster_base_class import (GlusterBaseClass, runs_on) from glustolibs.gluster.glusterdir import mkdir from glustolibs.gluster.exceptions import ExecutionError from glustolibs.misc.misc_libs import (upload_scripts, reboot_nodes_and_wait_to_come_online) from glustolibs.io.utils import validate_io_procs, get_mounts_stat from glustolibs.gluster.auth_ops import set_auth_allow from glustolibs.gluster.brick_libs import get_all_bricks, are_bricks_online @runs_on([['replicated', 'distributed-replicated', 'dispersed', 'distributed-dispersed'], ['glusterfs']]) class NodeRebootSubDirsMounted(GlusterBaseClass): """ Tests to verify failover operation when sub-dir is mounted """ @classmethod def setUpClass(cls): """ Setup and mount volume """ GlusterBaseClass.setUpClass.im_func(cls) # Setup Volume and Mount Volume g.log.info("Starting volume setup and mount %s", cls.volname) ret = cls.setup_volume_and_mount_volume(cls.mounts) if not ret: raise ExecutionError("Failed to Setup " "and Mount_Volume %s" % cls.volname) g.log.info("Successfully set and mounted the volume: %s", cls.volname) # Upload io scripts for running IO on mounts g.log.info("Uploading 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_node_reboot_subdir_mounted_io_running(self): """ Verify node reboot operation when sub-dirs are mounted and IOs are running Steps: 1. Create two sub-directories on mounted volume. 2. Un mount volume from clients. 3. Set auth.allow on sub dir d1 for client1 and d2 for client2. 4. Mount sub-dir d1 on client1 and d2 on client2. 5. Perform IO on mounts. 6. Reboot the node from which sub-dirs are mounted and wait for node to come up. 7. Verify if peers are connected. 8. Check whether bricks are online. 9. Validate IO process. """ # Creating two sub directories on mounted volume ret = mkdir(self.mounts[0].client_system, "%s/d1" % self.mounts[0].mountpoint) self.assertTrue(ret, ("Failed to create directory 'd1' in volume %s " "from client %s" % (self.volname, self.mounts[0].client_system))) ret = mkdir(self.mounts[0].client_system, "%s/d2" % self.mounts[0].mountpoint) self.assertTrue(ret, ("Failed to create directory 'd2' in volume %s " "from client %s" % (self.volname, self.mounts[0].client_system))) # Unmounting volumes ret = self.unmount_volume(self.mounts) self.assertTrue(ret, "Failed to unmount one or more volumes") g.log.info("Successfully unmounted all volumes") # Setting authentication for directories auth_dict = {'/d1': [self.mounts[0].client_system], '/d2': [self.mounts[1].client_system]} ret = set_auth_allow(self.volname, self.mnode, auth_dict) self.assertTrue(ret, "Failed to set authentication") g.log.info("Successfully set authentication on sub directories") # Creating mounts list self.subdir_mounts = [copy.deepcopy(self.mounts[0]), copy.deepcopy(self.mounts[1])] self.subdir_mounts[0].volname = "%s/d1" % self.volname self.subdir_mounts[1].volname = "%s/d2" % self.volname # Mounting sub directories to authenticated clients for mount_obj in self.subdir_mounts: ret = mount_obj.mount() self.assertTrue(ret, ("Failed to mount sub directory %s on client" " %s" % (mount_obj.volname, mount_obj.client_system))) g.log.info("Successfully mounted sub directory %s on client %s", mount_obj.volname, mount_obj.client_system) g.log.info("Successfully mounted sub directories to authenticated " "clients") # Start IO on all mounts. all_mounts_procs = [] count = 1 for mount_obj in self.subdir_mounts: g.log.info("Starting IO on %s:%s", mount_obj.client_system, mount_obj.mountpoint) 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, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) count = count + 10 # Reboot node and wait for node to come up. ret, _ = reboot_nodes_and_wait_to_come_online(self.mnode) self.assertTrue(ret, "Node reboot failed. Node %s has not came up" % self.mnode) # Check whether peers are in connected state ret = self.validate_peers_are_connected() self.assertTrue(ret, "All nodes are not in connected state.") # Get the bricks list of the volume g.log.info("Fetching bricks list of the volume : %s", self.volname) bricks_list = get_all_bricks(self.mnode, self.volname) g.log.info("Brick List : %s", bricks_list) # Check whether all bricks are online g.log.info("Verifying whether all bricks are online.") ret = are_bricks_online(self.mnode, self.volname, bricks_list) self.assertTrue(ret, "All bricks are not online.") g.log.info("All bricks are online.") # 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") # Unmount sub-directories ret = self.unmount_volume(self.subdir_mounts) self.assertTrue(ret, "Failed to unmount one or more sub-directories") g.log.info("Successfully unmounted all sub-directories") def tearDown(self): """ Unmounting and cleaning up """ g.log.info("Un mounting sub-dir mounts") ret = self.cleanup_volume() if not ret: raise ExecutionError("Failed to Unmount and cleanup sub-dir " "mounts") g.log.info("Successfully un mounted sub-dir mounts and cleaned")