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# Copyright (C) 2020 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.
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.io.utils import (
wait_for_io_to_complete,
get_mounts_stat)
from glustolibs.gluster.snap_ops import (
snap_create,
get_snap_list,
snap_activate,
snap_restore_complete)
from glustolibs.gluster.uss_ops import (
enable_uss,
is_uss_enabled,
get_uss_list_snaps,
is_snapd_running,
disable_uss)
from glustolibs.misc.misc_libs import upload_scripts
from glustolibs.gluster.volume_libs import (
verify_all_process_of_volume_are_online)
@runs_on([['replicated', 'distributed-replicated', 'dispersed',
'distributed', 'distributed-dispersed'],
['glusterfs', 'nfs']])
class TestUssSnapRestore(GlusterBaseClass):
@classmethod
def setUpClass(cls):
# Calling GlusterBaseClass setUpClass
cls.get_super_method(cls, 'setUpClass')()
# Upload IO scripts for running IO on mounts
cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
"file_dir_ops.py")
ret = upload_scripts(cls.clients, [cls.script_upload_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
self.get_super_method(self, 'setUp')()
self.all_mounts_procs = []
# 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.snapshots = [('snap-test-uss-snap-restore-%s-%s'
% (self.volname, i))for i in range(0, 2)]
def tearDown(self):
# Disable uss for volume
ret, _, _ = disable_uss(self.mnode, self.volname)
if ret:
raise ExecutionError("Failed to disable uss")
g.log.info("Successfully disabled uss for volume %s", self.volname)
# Unmount and cleanup original volume
ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to umount and cleanup Volume")
g.log.info("Successful in umounting the volume and Cleanup")
# Calling GlusterBaseClass teardown
self.get_super_method(self, 'tearDown')()
def test_uss_snap_restore(self):
"""
Description:
This test case will validate USS after Snapshot restore.
The restored snapshot should not be listed under the '.snaps'
directory.
* Perform I/O on mounts
* Enable USS on volume
* Validate USS is enabled
* Create a snapshot
* Activate the snapshot
* Perform some more I/O
* Create another snapshot
* Activate the second
* Restore volume to the second snapshot
* From mount point validate under .snaps
- first snapshot should be listed
- second snapshot should not be listed
"""
# pylint: disable=too-many-statements
# Perform I/O
cmd = (
"/usr/bin/env python %s create_files "
"-f 10 --base-file-name firstfiles %s"
% (self.script_upload_path,
self.mounts[0].mountpoint))
proc = g.run_async(
self.mounts[0].client_system, cmd, user=self.mounts[0].user)
self.all_mounts_procs.append(proc)
# Wait for IO to complete and validate IO
self.assertTrue(
wait_for_io_to_complete(self.all_mounts_procs, self.mounts[0]),
"IO failed on %s" % self.mounts[0])
g.log.info("IO is successful on all mounts")
# Get stat of all the files/dirs created.
ret = get_mounts_stat(self.mounts)
self.assertTrue(ret, "Stat failed on some of the clients")
g.log.info("Successfully got stat of all files/dirs created")
# Enable USS
ret, _, _ = enable_uss(self.mnode, self.volname)
self.assertEqual(ret, 0, "Failed to enable USS on volume")
g.log.info("Successfully enabled USS on volume")
# Validate USS is enabled
ret = is_uss_enabled(self.mnode, self.volname)
self.assertTrue(ret, "USS is disabled on volume %s" % self.volname)
g.log.info("USS enabled on volume %s", self.volname)
# Create a snapshot
ret, _, _ = snap_create(self.mnode, self.volname, self.snapshots[0])
self.assertEqual(ret, 0, ("Failed to create snapshot for %s"
% self.volname))
g.log.info("Snapshot %s created successfully for volume %s",
self.snapshots[0], self.volname)
# Check for number of snaps using snap_list it should be 1 now
snap_list = get_snap_list(self.mnode)
self.assertEqual(1, len(snap_list), "No of snaps not consistent "
"for volume %s" % self.volname)
g.log.info("Successfully validated number of snapshots")
# Activate the snapshot
ret, _, _ = snap_activate(self.mnode, self.snapshots[0])
self.assertEqual(ret, 0, ("Failed to activate snapshot %s"
% self.snapshots[0]))
g.log.info("Snapshot %s activated successfully", self.snapshots[0])
# Perform I/O
self.all_mounts_procs = []
cmd = (
"/usr/bin/env python %s create_files "
"-f 10 --base-file-name secondfiles %s"
% (self.script_upload_path,
self.mounts[0].mountpoint))
proc = g.run_async(
self.mounts[0].client_system, cmd, user=self.mounts[0].user)
self.all_mounts_procs.append(proc)
# Wait for IO to complete and validate IO
self.assertTrue(
wait_for_io_to_complete(self.all_mounts_procs, self.mounts[0]),
"IO failed on %s" % self.mounts[0])
g.log.info("IO is successful on all mounts")
# Get stat of all the files/dirs created.
ret = get_mounts_stat(self.mounts)
self.assertTrue(ret, "Stat failed on some of the clients")
g.log.info("Successfully got stat of all files/dirs created")
# Create another snapshot
ret, _, _ = snap_create(self.mnode, self.volname, self.snapshots[1])
self.assertEqual(ret, 0, ("Failed to create snapshot for volume %s"
% self.volname))
g.log.info("Snapshot %s created successfully for volume %s",
self.snapshots[1], self.volname)
# Check for number of snaps using snap_list it should be 2 now
snap_list = get_snap_list(self.mnode)
self.assertEqual(2, len(snap_list), "No of snaps not consistent "
"for volume %s" % self.volname)
g.log.info("Successfully validated number of snapshots")
# Activate the second snapshot
ret, _, _ = snap_activate(self.mnode, self.snapshots[1])
self.assertEqual(ret, 0, ("Failed to activate snapshot %s"
% self.snapshots[1]))
g.log.info("Snapshot %s activated successfully", self.snapshots[1])
# Restore volume to the second snapshot
ret = snap_restore_complete(
self.mnode, self.volname, self.snapshots[1])
self.assertTrue(ret, ("Failed to restore snap %s on the "
"volume %s" % (self.snapshots[1], self.volname)))
g.log.info("Restore of volume is successful from %s on "
"volume %s", self.snapshots[1], self.volname)
# Verify all volume processes are online
ret = verify_all_process_of_volume_are_online(self.mnode, self.volname)
self.assertTrue(ret, "Failed: All volume processes are not online")
g.log.info("All volume processes are online")
ret = is_snapd_running(self.mnode, self.volname)
self.assertTrue(
ret, "Failed: snapd is not running for volume %s" % self.volname)
g.log.info("Successful: snapd is running")
# List activated snapshots under the .snaps directory
snap_dir_list = get_uss_list_snaps(self.mounts[0].client_system,
self.mounts[0].mountpoint)
self.assertIsNotNone(
snap_dir_list, "Failed to list snapshots under .snaps directory")
g.log.info("Successfully gathered list of snapshots under the .snaps"
" directory")
# Check for first snapshot as it should get listed here
self.assertIn(self.snapshots[0], snap_dir_list,
("Unexpected : %s not listed under .snaps "
"directory" % self.snapshots[0]))
g.log.info("Activated Snapshot %s listed Successfully",
self.snapshots[0])
# Check for second snapshot as it should not get listed here
self.assertNotIn(self.snapshots[1], snap_dir_list,
("Unexpected : %s listed in .snaps "
"directory" % self.snapshots[1]))
g.log.info("Restored Snapshot %s not listed ", self.snapshots[1])
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