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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.
"""
Description:
Test Cases in this module tests the
Creation of clone from snapshot of volume.
"""
import os
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.volume_ops import volume_start
from glustolibs.io.utils import validate_io_procs
from glustolibs.gluster.volume_libs import (log_volume_info_and_status,
cleanup_volume)
from glustolibs.gluster.snap_ops import (snap_create,
snap_list,
snap_delete_all,
set_snap_config,
snap_clone)
from glustolibs.misc.misc_libs import upload_scripts
from glustolibs.gluster.mount_ops import (mount_volume,
is_mounted, create_mount_objs,
umount_volume)
@runs_on([['replicated', 'distributed-replicated', 'dispersed',
'distributed', 'distributed-dispersed'],
['glusterfs']])
class SnapshotCloneDeleteMultiple(GlusterBaseClass):
@classmethod
def setUpClass(cls):
GlusterBaseClass.setUpClass.im_func(cls)
cls.snap1 = "snap1"
cls.snap2 = "snap21"
cls.clone1 = "clone1"
cls.clone2 = "clone2"
cls.mpoint1 = "/mnt/clone1"
cls.mpoint2 = "/mnt/clone2"
# 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 ")
g.log.info("Successfully uploaded IO scripts to clients %s")
def setUp(self):
# SettingUp volume and Mounting the volume
GlusterBaseClass.setUp.im_func(self)
g.log.info("Starting to SetUp Volume and mount volume")
ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to setup volume %s" % self.volname)
g.log.info("Volume %s has been setup successfully", self.volname)
def test_snap_delete_multiple(self):
# pylint: disable=too-many-statements
"""
Steps:
1. create and mount volume
2. Create 20 snapshots
3. Clone one of the snapshot
4. mount the clone volume
5. Perform I/O on mounts
6. Create 10 more snapshots
7. create Clone volume from latest snapshot
and Mount it
8. Perform I/O
9. Create 10 more snapshot
10. Validate total number of
snapshots created.
11. Delete all created snapshots.
"""
# Perform I/O
def io_operation():
g.log.info("Starting to Perform I/O")
all_mounts_procs = []
for mount_obj in self.mounts:
g.log.info("Generating data for %s:%s",
mount_obj.client_system, mount_obj.mountpoint)
# Create files
g.log.info('Creating files...')
command = ("python %s create_files -f 100 --fixed-file-size"
" 1k %s" % (self.script_upload_path,
mount_obj.mountpoint))
proc = g.run_async(mount_obj.client_system, command,
user=mount_obj.user)
all_mounts_procs.append(proc)
self.io_validation_complete = False
# Validate IO
g.log.info("Wait for IO to complete and validate IO ...")
ret = validate_io_procs(all_mounts_procs, self.mounts)
self.assertTrue(ret, "IO failed on some of the clients")
self.io_validation_complete = True
g.log.info("IO is successful on all mounts")
return 0
# Enable Activate on create
g.log.info("Enabling activate-on-create")
option = {'activate-on-create': 'enable'}
ret, _, _ = set_snap_config(self.mnode, option)
self.assertEqual(ret, 0, ("Failed to set activateOnCreate"
"config option"))
g.log.info("Activate-on-Create config option Successfully set")
def create_snap(value, volname, snap, clone, counter):
# Creating snapshots
g.log.info("Starting to Create snapshot")
for snap_count in value:
ret, _, _ = snap_create(self.mnode, volname,
"snap%s" % snap_count)
self.assertEqual(ret, 0, ("Failed to create "
"snapshot for volume %s"
% volname))
g.log.info("Snapshot snap%s created successfully"
" for volume %s", snap_count, volname)
# Validate snapshot list
g.log.info("Starting to list all snapshots")
ret, out, _ = snap_list(self.mnode)
self.assertEqual(ret, 0, ("Failed to list snapshot of volume %s"
% volname))
v_list = out.strip().split('\n')
self.assertEqual(len(v_list), counter, "Failed to validate "
"all snapshots")
g.log.info("Snapshot listed and Validated for volume %s"
" successfully", volname)
if counter == 40:
return 0
# Creating a Clone of snapshot:
g.log.info("Starting to Clone Snapshot")
ret, _, _ = snap_clone(self.mnode, snap, clone)
self.assertEqual(ret, 0, "Failed to clone %s" % clone)
g.log.info("Clone volume %s created successfully", clone)
# Start cloned volumes
g.log.info("starting to Validate clone volumes are started")
ret, _, _ = volume_start(self.mnode, clone)
self.assertEqual(ret, 0, "Failed to start %s" % clone)
g.log.info("%s started successfully", clone)
# log Cloned Volume information
g.log.info("Logging Volume info and Volume status")
ret = log_volume_info_and_status(self.mnode, clone)
self.assertTrue("Failed to Log Info and Status of Volume %s"
% clone)
g.log.info("Successfully Logged Info and Status")
return counter+10
def mount_clone_and_io(clone, mpoint):
# define mounts
self.mount_points = []
self.mounts_dict_list = []
for client in self.all_clients_info:
mount = {
'protocol': self.mount_type,
'server': self.mnode,
'volname': clone,
'client': self.all_clients_info[client],
'mountpoint': (os.path.join(
"%s" % mpoint)),
'options': ''
}
self.mounts_dict_list.append(mount)
self.mounts1 = create_mount_objs(self.mounts_dict_list)
g.log.info("Successfully made entry in self.mounts")
# Mounting a volume
g.log.info("Starting to mount volume")
ret = mount_volume(clone, self.mount_type, mpoint,
self.mnode, self.clients[0])
self.assertTrue(ret, "Volume mount failed for clone1")
g.log.info("%s mounted Successfully", clone)
# Checking volume mounted or not
ret = is_mounted(clone, mpoint, self.mnode,
self.clients[0], self.mount_type)
self.assertTrue(ret, "Volume not mounted on mount point: %s"
% mpoint)
g.log.info("Volume %s mounted on %s", clone, mpoint)
return 0
value1 = range(0, 20)
value2 = range(20, 30)
value3 = range(30, 40)
ret1 = create_snap(value1, self.volname, self.snap1,
self.clone1, counter=20)
self.assertEqual(ret1, 30, "Failed")
ret2 = mount_clone_and_io(self.clone1, self.mpoint1)
self.assertEqual(ret2, 0, "Failed to mount volume")
ret = io_operation()
self.assertEqual(ret, 0, "Failed to perform io")
ret3 = create_snap(value2, self.clone1, self.snap2,
self.clone2, ret1)
self.assertEqual(ret3, 40, "Failed")
ret4 = mount_clone_and_io(self.clone2, self.mpoint2)
self.assertEqual(ret4, 0, "Failed to mount volume")
ret = io_operation()
self.assertEqual(ret, 0, "Failed to perform io")
ret1 = create_snap(value3, self.clone2, self.snap2,
self.clone2, ret3)
self.assertEqual(ret1, 0, "Failed to create snapshots")
# delete created snapshots
g.log.info("starting to delete all created snapshots")
ret, _, _ = snap_delete_all(self.mnode)
self.assertEqual(ret, 0, "Failed to delete all snapshots")
g.log.info("Successfully deleted all snapshots")
def tearDown(self):
# Calling GlusterBaseClass teardown
GlusterBaseClass.tearDown.im_func(self)
# Disable Activate on create
option = {'activate-on-create': 'disable'}
ret, _, _ = set_snap_config(self.mnode, option)
if ret != 0:
raise ExecutionError("Failed to set activateOnCreate"
"config option")
g.log.info("ActivateOnCreate config option Successfully set")
# umount clone volume
g.log.info("Unmounting clone volume")
ret, _, _ = umount_volume(self.mounts[0].client_system, self.mpoint1)
if ret != 0:
raise ExecutionError("Failed to unmount clone "
"volume %s" % self.clone1)
g.log.info("Successfully unmounted clone volume %s", self.clone1)
ret, _, _ = umount_volume(self.mounts[0].client_system, self.mpoint2)
if ret != 0:
raise ExecutionError("Failed to unmount clone "
"volume %s" % self.clone2)
g.log.info("Successfully unmounted clone volume %s", self.clone2)
# cleanup volume
g.log.info("starting to cleanup volume")
ret1 = cleanup_volume(self.mnode, self.clone1)
ret2 = cleanup_volume(self.mnode, self.clone2)
if not ret1:
raise ExecutionError("Failed to cleanup %s clone "
"volume" % self.clone1)
if not ret2:
raise ExecutionError("Failed to cleanup %s clone "
"volume" % self.clone2)
g.log.info("Successfully cleanedup cloned volumes")
# Unmount and cleanup-volume
g.log.info("Starting to Unmount and cleanup-volume")
ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to Unmount and Cleanup Volume")
g.log.info("Successful in Unmount Volume and Cleanup Volume")
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