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# Copyright (C) 2017-2018 Red Hat, Inc. <http://www.redhat.com>
#
# 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
import sys
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
"""
cls.get_super_method(cls, 'setUpClass')()
# 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 = ("/usr/bin/env python%d %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" % (
sys.version_info.major, 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, rebalance_timeout=600)
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)
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