# Copyright (C) 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: Create volume using bricks of deleted volume """ 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.brick_ops import add_brick from glustolibs.gluster.brick_libs import get_all_bricks from glustolibs.gluster.lib_utils import form_bricks_list from glustolibs.misc.misc_libs import upload_scripts from glustolibs.io.utils import validate_io_procs from glustolibs.gluster.volume_ops import (volume_stop, volume_create, get_volume_list) from glustolibs.gluster.volume_libs import (cleanup_volume, setup_volume) from glustolibs.gluster.mount_ops import mount_volume, umount_volume @runs_on([['distributed-replicated'], ['glusterfs']]) class TestCreateVolWithUsedBricks(GlusterBaseClass): @classmethod def setUpClass(cls): cls.counter = 1 GlusterBaseClass.setUpClass.im_func(cls) # Uploading file_dir script in all client direcotries 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 tearDown(self): """ tearDown for every test """ # clean up all volumes vol_list = get_volume_list(self.mnode) if vol_list is None: raise ExecutionError("Failed to get the volume list") for volume in vol_list: ret = cleanup_volume(self.mnode, volume) if not ret: raise ExecutionError("Unable to delete volume % s" % volume) g.log.info("Volume deleted successfully : %s", volume) # Cleaning the deleted volume bricks for brick in self.brick_list: node, brick_path = brick.split(r':') cmd = "rm -rf " + brick_path ret, _, _ = g.run(node, cmd) if ret: raise ExecutionError("Failed to delete the brick " "dir's of deleted volume") # Calling GlusterBaseClass tearDown GlusterBaseClass.tearDown.im_func(self) def test_create_vol_used_bricks(self): ''' -> Create distributed-replica Volume -> Add 6 bricks to the volume -> Mount the volume -> Perform some I/O's on mount point -> unmount the volume -> Stop and delete the volume -> Create another volume using bricks of deleted volume ''' # Create and start a volume self.volume['name'] = "test_create_vol_with_fresh_bricks" self.volname = "test_create_vol_with_fresh_bricks" ret = setup_volume(self.mnode, self.all_servers_info, self.volume) self.assertTrue(ret, "Failed to create and start volume") # Forming brick list brick_list = form_bricks_list(self.mnode, self.volname, 6, self.servers, self.all_servers_info) # Adding bricks to the volume ret, _, _ = add_brick(self.mnode, self.volname, brick_list) self.assertEqual(ret, 0, "Failed to add bricks to the volume %s" % self.volname) g.log.info("Bricks added successfully to the volume %s", self.volname) # Mounting the volume. ret, _, _ = mount_volume(self.volname, mtype=self.mount_type, mpoint=self.mounts[0].mountpoint, mserver=self.mnode, mclient=self.mounts[0].client_system) self.assertEqual(ret, 0, ("Volume %s is not mounted") % self.volname) g.log.info("Volume mounted successfully : %s", self.volname) # run IOs g.log.info("Starting IO on all mounts...") self.all_mounts_procs = [] for mount_obj in self.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 5 " "--max-num-of-dirs 3 " "--num-of-files 10 %s" % (self.script_upload_path, self.counter, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) self.all_mounts_procs.append(proc) self.counter = self.counter + 10 # Validate IO self.assertTrue( validate_io_procs(self.all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # Unmouting the volume. ret, _, _ = umount_volume(mclient=self.mounts[0].client_system, mpoint=self.mounts[0].mountpoint) self.assertEqual(ret, 0, ("Volume %s is not unmounted") % self.volname) g.log.info("Volume unmounted successfully : %s", self.volname) # Getting brick list self.brick_list = get_all_bricks(self.mnode, self.volname) if not self.brick_list: raise ExecutionError("Failed to get the brick list of %s" % self.volname) # Stop volume ret, _, _ = volume_stop(self.mnode, self.volname) self.assertEqual(ret, 0, "Failed to stop the volume %s" % self.volname) g.log.info("Volume %s stopped successfully", self.volname) # Delete Volume ret, _, _ = g.run(self.mnode, "gluster volume delete %s --mode=script" % self.volname) self.assertEqual(ret, 0, "Failed to delete volume %s" % self.volname) g.log.info("Volume deleted successfully %s", self.volname) # Create another volume by using bricks of deleted volume self.volname = "test_create_vol_used_bricks" ret, _, err = volume_create(self.mnode, self.volname, brick_list[0:6], replica_count=3) self.assertNotEqual(ret, 0, "Volume creation should fail with used " "bricks but volume creation success") g.log.info("Failed to create volume with used bricks") # Checking failed message of volume creation msg = ' '.join(['volume create: test_create_vol_used_bricks: failed:', brick_list[0].split(':')[1], 'is already part of a volume']) self.assertIn(msg, err, "Incorrect error message for volume creation " "with used bricks") g.log.info("correct error message for volume creation with " "used bricks")