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authorubansal <ubansal@redhat.com>2019-12-10 14:18:08 +0530
committerubansal <ubansal@redhat.com>2019-12-10 14:19:02 +0530
commit5f9e15da17669665fc7a5f8d2d306082372e967e (patch)
treea868d9a2fd6e8777cbf7edd792ecc75654885fe1
parent6addb8d4c74d54f3243cc38f955e8d9e20a9ae5b (diff)
This TC is to check FOP in a EC volume with redundant bricks down
Change-Id: I97bcbc3f9b75129be833ffa7def1b00cfd32a474 Signed-off-by: ubansal <ubansal@redhat.com>
-rw-r--r--tests/functional/disperse/test_ec_fops_brickdown.py350
1 files changed, 350 insertions, 0 deletions
diff --git a/tests/functional/disperse/test_ec_fops_brickdown.py b/tests/functional/disperse/test_ec_fops_brickdown.py
new file mode 100644
index 0000000..1115232
--- /dev/null
+++ b/tests/functional/disperse/test_ec_fops_brickdown.py
@@ -0,0 +1,350 @@
+# Copyright (C) 2019 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.
+
+"""
+Test Description:
+ Tests File Operations on an EC volume when redundant bricks are
+ brought down
+"""
+from glusto.core import Glusto as g
+from glustolibs.gluster.gluster_base_class import (GlusterBaseClass, runs_on)
+from glustolibs.gluster.exceptions import ExecutionError
+from glustolibs.misc.misc_libs import upload_scripts
+from glustolibs.io.utils import (validate_io_procs)
+from glustolibs.gluster.brick_libs import (
+ get_all_bricks, bring_bricks_offline,
+ bring_bricks_online,
+ wait_for_bricks_to_be_online,
+ get_offline_bricks_list)
+from glustolibs.gluster.heal_libs import (monitor_heal_completion)
+from glustolibs.gluster.glusterfile import (file_exists)
+
+
+@runs_on([['dispersed', 'distributed-dispersed'],
+ ['glusterfs']])
+class TestFopsBrickdown(GlusterBaseClass):
+
+ @classmethod
+ def setUpClass(cls):
+ # Calling GlusterBaseClass setUpClass
+ GlusterBaseClass.setUpClass.im_func(cls)
+
+ # Upload io scripts for running IO on mounts
+ g.log.info("Upload io scripts to clients %s for running IO on mounts",
+ cls.clients)
+ 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
+ GlusterBaseClass.setUp.im_func(self)
+
+ # Setup Volume and Mount Volume
+ g.log.info("Starting to Setup Volume and Mount Volume")
+ ret = self.setup_volume_and_mount_volume(mounts=self.mounts,
+ volume_create_force=False)
+ if not ret:
+ raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
+ g.log.info("Successful in Setup Volume and Mount Volume")
+
+ def tearDown(self):
+ """
+ If test method failed before validating IO, tearDown waits for the
+ IO's to complete and checks for the IO exit status
+
+ Cleanup and umount volume
+ """
+ # Cleanup and umount volume
+ g.log.info("Starting to Unmount Volume and Cleanup Volume")
+ ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
+ if not ret:
+ raise ExecutionError("Failed to umount the vol & cleanup Volume")
+ g.log.info("Successful in umounting the volume and Cleanup")
+
+ # Calling GlusterBaseClass teardown
+ GlusterBaseClass.tearDown.im_func(self)
+
+ def test_fops_ec_brickdown(self):
+ # pylint: disable=too-many-branches,too-many-statements,too-many-locals
+ """
+ - 1.Start resource consumption tool
+ - 2.Create directory dir1
+ - 3.Create 5 dir and 5 files in each dir in directory 1
+ - 4.Rename all file inside dir1
+ - 5.Truncate at any dir in mountpoint inside dir1
+ - 6.Create softlink and hardlink of files in mountpoint
+ - 7.chmod, chown, chgrp inside dir1
+ - 8.Create tiny, small, medium nd large file
+ - 9.Creating files on client side for dir1
+ - 10.Brick redundant bricks down
+ - 11.Validating IO's and waiting to complete
+ - 12.Creating dir2
+ - 13.Creating files on client side for dir2
+ - 14.Bring bricks online
+ - 15.Wait for brick to come online
+ - 16.Check if bricks are online
+ - 17.Monitor heal completion
+ - 18.Validating IO's and waiting to complete
+ """
+
+ # Starting resource consumption using top
+ log_file_mem_monitor = '/var/log/glusterfs/mem_usage.log'
+ cmd = ('for i in {1..100};do top -n 1 -b|egrep \
+ "RES|gluster" & free -h 2>&1 >> %s ; \
+ sleep 10;done' % (log_file_mem_monitor))
+ g.log.info(cmd)
+ for server in self.servers:
+ g.run_async(server, cmd)
+ bricks_list = []
+
+ # get the bricks from the volume
+ g.log.info("Fetching bricks for the volume : %s", self.volname)
+ bricks_list = get_all_bricks(self.mnode, self.volname)
+ self.assertIsNotNone(bricks_list, "Brick list is empty")
+ g.log.info("Brick List : %s", bricks_list)
+
+ # Creating dir1
+ cmd = ('mkdir %s/dir1' % self.mounts[0].mountpoint)
+ ret, _, _ = g.run(self.mounts[0].client_system, cmd)
+ self.assertEqual(ret, 0, "Failed to create dir1")
+ g.log.info("dir1 created successfully for %s", self.mounts[0])
+
+ # Create 5 dir and 5 files in each dir at mountpoint on dir1
+ start, end = 1, 5
+ for mount_obj in self.mounts:
+ # Number of dir and files to be created.
+ dir_range = ("%s..%s" % (str(start), str(end)))
+ file_range = ("%s..%s" % (str(start), str(end)))
+ # Create dir 1-5 at mountpoint.
+ cmd = ('mkdir %s/dir1/dir{%s};' %
+ (mount_obj.mountpoint, dir_range))
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Directory creation failed")
+ g.log.info("Directory created successfull")
+
+ # Create files inside each dir.
+ cmd = ('touch %s/dir1/dir{%s}/file{%s};'
+ % (mount_obj.mountpoint, dir_range, file_range))
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "File creation failed")
+ g.log.info("File created successfull")
+
+ # Increment counter so that at next client dir and files are made
+ # with diff offset. Like at next client dir will be named
+ # dir6, dir7...dir10. Same with files.
+ start += 5
+ end += 5
+
+ # Rename all files inside dir1 at mountpoint on dir1
+ cmd = ('cd %s/dir1/dir1/; '
+ 'for FILENAME in *;'
+ 'do mv $FILENAME Unix_$FILENAME; '
+ 'done;'
+ % self.mounts[0].mountpoint)
+ ret, _, _ = g.run(self.mounts[0].client_system, cmd)
+ self.assertEqual(ret, 0, "Failed to rename file on"
+ "client")
+ g.log.info("Successfully renamed file on client")
+
+ # Truncate at any dir in mountpoint inside dir1
+ # start is an offset to be added to dirname to act on
+ # diff files at diff clients.
+ start = 1
+ for mount_obj in self.mounts:
+ cmd = ('cd %s/dir1/dir%s/; '
+ 'for FILENAME in *;'
+ 'do echo > $FILENAME; '
+ 'done;'
+ % (mount_obj.mountpoint, str(start)))
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Truncate failed")
+ g.log.info("Truncate of files successfull")
+
+ # Create softlink and hardlink of files in mountpoint. Start is an
+ # offset to be added to dirname to act on diff files at diff clients.
+ start = 1
+ for mount_obj in self.mounts:
+ cmd = ('cd %s/dir1/dir%s; '
+ 'for FILENAME in *; '
+ 'do ln -s $FILENAME softlink_$FILENAME; '
+ 'done;'
+ % (mount_obj.mountpoint, str(start)))
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Creating Softlinks have failed")
+ g.log.info("Softlink of files have been changed successfully")
+
+ cmd = ('cd %s/dir1/dir%s; '
+ 'for FILENAME in *; '
+ 'do ln $FILENAME hardlink_$FILENAME; '
+ 'done;'
+ % (mount_obj.mountpoint, str(start + 1)))
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Creating Hardlinks have failed")
+ g.log.info("Hardlink of files have been changed successfully")
+ start += 5
+
+ # chmod, chown, chgrp inside dir1
+ # start and end used as offset to access diff files
+ # at diff clients.
+ start, end = 2, 5
+ for mount_obj in self.mounts:
+ dir_file_range = '%s..%s' % (str(start), str(end))
+ cmd = ('chmod 777 %s/dir1/dir{%s}/file{%s}'
+ % (mount_obj.mountpoint, dir_file_range, dir_file_range))
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Changing mode of files has failed")
+ g.log.info("Mode of files have been changed successfully")
+
+ cmd = ('chown root %s/dir1/dir{%s}/file{%s}'
+ % (mount_obj.mountpoint, dir_file_range, dir_file_range))
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Changing owner of files has failed")
+ g.log.info("Owner of files have been changed successfully")
+
+ cmd = ('chgrp root %s/dir1/dir{%s}/file{%s}'
+ % (mount_obj.mountpoint, dir_file_range, dir_file_range))
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Changing group of files has failed")
+ g.log.info("Group of files have been changed successfully")
+ start += 5
+ end += 5
+
+ # Create tiny, small, medium nd large file
+ # at mountpoint. Offset to differ filenames
+ # at diff clients.
+ offset = 1
+ for mount_obj in self.mounts:
+ cmd = 'fallocate -l 100 tiny_file%s.txt' % str(offset)
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Fallocate for tiny files failed")
+ g.log.info("Fallocate for tiny files successfully")
+
+ cmd = 'fallocate -l 20M small_file%s.txt' % str(offset)
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Fallocate for small files failed")
+ g.log.info("Fallocate for small files successfully")
+
+ cmd = 'fallocate -l 200M medium_file%s.txt' % str(offset)
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Fallocate for medium files failed")
+ g.log.info("Fallocate for medium files successfully")
+
+ cmd = 'fallocate -l 1G large_file%s.txt' % str(offset)
+ ret, _, _ = g.run(mount_obj.client_system, cmd)
+ self.assertFalse(ret, "Fallocate for large files failed")
+ g.log.info("Fallocate for large files successfully")
+ offset += 1
+
+ # Creating files on client side for dir1
+ # Write IO
+ all_mounts_procs = []
+ count = 1
+ 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 10 "
+ "--max-num-of-dirs 5 "
+ "--num-of-files 5 %s/dir1" % (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
+
+ # Bring down other bricks to max redundancy
+ # Bringing bricks offline
+ ret = bring_bricks_offline(self.volname,
+ bricks_list[2:4])
+ self.assertTrue(ret, 'Bricks not offline')
+ g.log.info('Bricks are offline successfully')
+
+ # Validating IO's and waiting to complete
+ g.log.info("Validating IO's")
+ ret = validate_io_procs(all_mounts_procs, self.mounts)
+ self.assertTrue(ret, "IO failed on some of the clients")
+ g.log.info("Successfully validated all io's")
+
+ # Creating dir2
+ cmd = ('mkdir %s/dir2' % self.mounts[0].mountpoint)
+ ret, _, _ = g.run(self.mounts[0].client_system, cmd)
+ self.assertEqual(ret, 0, "Failed to create dir2 ")
+ g.log.info("dir2 created successfully for %s", self.mounts[0])
+
+ # Creating files on client side for dir2
+ # Write IO
+ all_mounts_procs = []
+ count = 1
+ 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 10 "
+ "--max-num-of-dirs 5 "
+ "--num-of-files 5 %s/dir2" % (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
+
+ # Bring bricks online
+ list_of_bricks_to_bring_online = bricks_list[2:4]
+ ret = bring_bricks_online(self.mnode, self.volname,
+ list_of_bricks_to_bring_online)
+ self.assertTrue(ret, 'Bricks not brought online')
+ g.log.info('Bricks are online successfully')
+
+ # Wait for brick to come online
+ g.log.info("Waiting for brick to come online")
+ ret = wait_for_bricks_to_be_online(self.mnode, self.volname)
+ self.assertTrue(ret, "Bricks are not online")
+ g.log.info("EXPECTED : Bricks are online")
+
+ # Check if bricks are online
+ ret = get_offline_bricks_list(self.mnode, self.volname)
+ self.assertListEqual(ret, [], 'All bricks are not online')
+ g.log.info('All bricks are online')
+
+ # Monitor heal completion
+ ret = monitor_heal_completion(self.mnode, self.volname)
+ self.assertTrue(ret, 'Heal has not yet completed')
+ g.log.info('Heal has completed successfully')
+
+ # Validating IO's and waiting to complete
+ g.log.info("Validating IO's")
+ ret = validate_io_procs(all_mounts_procs, self.mounts)
+ self.assertTrue(ret, "IO failed on some of the clients")
+ g.log.info("Successfully validated all io's")
+
+ # Check file exist for memory log
+ g.log.info("Validating log exists")
+ ret = file_exists(self.mnode,
+ '/var/log/glusterfs/mem_usage.log')
+ self.assertTrue(ret, "Memory log file does not exist")
+ g.log.info("Memory log file exists")