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-rw-r--r--tests/functional/disperse/test_ec_open_fd.py174
1 files changed, 174 insertions, 0 deletions
diff --git a/tests/functional/disperse/test_ec_open_fd.py b/tests/functional/disperse/test_ec_open_fd.py
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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.
+
+"""
+Test Description:
+ Tests open FD heal for EC volume
+"""
+
+import os
+from random import choice
+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.gluster.heal_libs import monitor_heal_completion
+from glustolibs.gluster.brick_libs import (bring_bricks_online,
+ bring_bricks_offline,
+ validate_xattr_on_all_bricks)
+from glustolibs.gluster.heal_ops import disable_heal
+from glustolibs.gluster.volume_ops import set_volume_options
+from glustolibs.gluster.volume_libs import (get_subvols,
+ log_volume_info_and_status)
+from glustolibs.gluster.glusterfile import check_if_pattern_in_file
+from glustolibs.io.utils import open_file_fd
+
+
+@runs_on([['dispersed', 'distributed-dispersed'],
+ ['glusterfs']])
+class TestEcOpenFd(GlusterBaseClass):
+
+ def setUp(self):
+ # Calling GlusterBaseClass setUp
+ self.get_super_method(self, 'setUp')()
+
+ # 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")
+
+ def tearDown(self):
+ """
+ Cleanup and umount volume
+ """
+ # Calling GlusterBaseClass teardown
+ self.get_super_method(self, 'tearDown')()
+
+ # Cleanup and umount 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")
+
+ def test_ec_open_fd(self):
+ """
+ Test Steps:
+ - disable server side heal
+ - Create a file
+ - Set volume option to implement open FD on file
+ - Bring a brick down,say b1
+ - Open FD on file
+ - Bring brick b1 up
+ - write to open FD file
+ - Monitor heal
+ - Check xattr , ec.version and ec.size of file
+ - Check stat of file
+ """
+
+ # pylint: disable=too-many-branches,too-many-statements,too-many-locals
+
+ mountpoint = self.mounts[0].mountpoint
+
+ # Disable server side heal
+ ret = disable_heal(self.mnode, self.volname)
+ self.assertTrue(ret, ("Failed to disable server side heal"))
+ g.log.info("Successfully disabled server side heal")
+
+ # Log Volume Info and Status after disabling server side heal
+ ret = log_volume_info_and_status(self.mnode, self.volname)
+ self.assertTrue(ret, ("Logging volume info and status failed "
+ "on volume %s", self.volname))
+
+ # Create a file
+ cmd = ("cd %s; touch 'file_openfd';" % mountpoint)
+ ret, _, err = g.run(self.mounts[0].client_system, cmd)
+ self.assertEqual(ret, 0, err)
+ g.log.info('Finished creating a file while all the bricks are UP')
+
+ # Set volume options
+ ret = set_volume_options(self.mnode, self.volname,
+ {"performance.read-after-open": "yes"})
+ self.assertTrue(ret, 'Failed to set volume {}'
+ ' options'.format(self.volname))
+ g.log.info('Successfully set %s volume options', self.volname,)
+
+ # Bringing brick b1 offline
+ sub_vols = get_subvols(self.mnode, self.volname)
+ subvols_list = sub_vols['volume_subvols']
+ bricks_list1 = subvols_list[0]
+ brick_b1_down = choice(bricks_list1)
+ ret = bring_bricks_offline(self.volname,
+ brick_b1_down)
+ self.assertTrue(ret, 'Brick %s is not offline' % brick_b1_down)
+ g.log.info('Brick %s is offline successfully', brick_b1_down)
+
+ node = self.mounts[0].client_system
+ # Open FD
+ proc = open_file_fd(mountpoint, time=100,
+ client=node)
+
+ # Bring brick b1 online
+ ret = bring_bricks_online(self.mnode, self.volname,
+ [brick_b1_down],
+ 'glusterd_restart')
+ self.assertTrue(ret, 'Brick {} is not brought '
+ 'online'.format(brick_b1_down))
+ g.log.info('Brick %s is online successfully', brick_b1_down)
+
+ # Validate peers are connected
+ ret = self.validate_peers_are_connected()
+ self.assertTrue(ret, "Peers are not in connected state after bringing"
+ " an offline brick to online via `glusterd restart`")
+ g.log.info("Successfully validated peers are in connected state")
+
+ # Check if write to FD is successful
+ g.log.info('Open FD on file successful')
+ ret, _, _ = proc.async_communicate()
+ self.assertEqual(ret, 0, "Write to FD is successful")
+
+ # 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')
+
+ file_openfd = os.path.join(mountpoint, 'file_openfd')
+
+ # Check if data exists on file
+ ret = check_if_pattern_in_file(node, 'xyz', file_openfd)
+ self.assertEqual(ret, 0, 'xyz does not exists in file')
+ g.log.info('xyz exists in file')
+
+ file_fd = 'file_openfd'
+
+ # Check if EC version is same on all bricks which are up
+ ret = validate_xattr_on_all_bricks(bricks_list1, file_fd,
+ 'trusted.ec.version')
+ self.assertTrue(ret, "Healing not completed and EC version is "
+ "not updated")
+ g.log.info("Healing is completed and EC version is updated")
+
+ # Check if EC size is same on all bricks which are up
+ ret = validate_xattr_on_all_bricks(bricks_list1, file_fd,
+ 'trusted.ec.size')
+ self.assertTrue(ret, "Healing not completed and EC size is "
+ "not updated")
+ g.log.info("Healing is completed and EC size is updated")
+
+ # Check stat of file
+ cmd = "cd %s; du -kh file_openfd" % mountpoint
+ ret, _, err = g.run(self.mounts[0].client_system, cmd)
+ self.assertEqual(ret, 0, err)
+ g.log.info('File %s is accessible', file_fd)