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+# Copyright (C) 2017-2020 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.
+# pylint: disable=too-many-statements, too-many-locals
+"""
+Description:
+ Test cases in this module tests whether directory with null gfid
+ is getting the gfids assigned on both the subvols of a dist-rep
+ volume when lookup comes on that directory from the mount point.
+"""
+
+
+from time import sleep
+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.misc.misc_libs import upload_scripts
+from glustolibs.gluster.brick_libs import get_all_bricks
+from glustolibs.gluster.glusterfile import (get_fattr, delete_fattr)
+from glustolibs.io.utils import get_mounts_stat
+
+
+@runs_on([['replicated', 'distributed-replicated', 'distributed'],
+ ['glusterfs']])
+class AssignGfidsOnAllSubvols(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)
+
+ # Setup Volume and Mount Volume
+ ret = cls.setup_volume_and_mount_volume(cls.mounts)
+ if not ret:
+ raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
+ g.log.info("Successful in Setup Volume and Mount Volume")
+
+ @classmethod
+ def tearDownClass(cls):
+
+ # Cleanup Volume
+ ret = cls.unmount_volume_and_cleanup_volume(cls.mounts)
+ if not ret:
+ raise ExecutionError("Failed to create volume")
+ g.log.info("Successful in cleaning up Volume %s", cls.volname)
+
+ cls.get_super_method(cls, 'tearDownClass')()
+
+ def verify_gfid_and_retun_gfid(self, dirname):
+ dir_gfids = dict()
+ bricks_list = get_all_bricks(self.mnode, self.volname)
+ for brick in bricks_list:
+ brick_node, brick_path = brick.split(":")
+
+ ret = get_fattr(brick_node, '%s/%s' % (brick_path, dirname),
+ 'trusted.gfid')
+ if ret is not None:
+ self.assertIsNotNone(ret, "trusted.gfid is not present on"
+ "%s/%s" % (brick, dirname))
+ dir_gfids.setdefault(dirname, []).append(ret)
+ for key in dir_gfids:
+ self.assertTrue(all(value == dir_gfids[key][0]
+ for value in dir_gfids[key]),
+ "gfid mismatch for %s" % dirname)
+ dir_gfid = dir_gfids.values()[0]
+ return dir_gfid
+
+ def test_dir_gfid_heal_on_all_subvols(self):
+ """
+ - Create a volume and mount it.
+ - Create a directory on mount and check whether all the bricks have
+ the same gfid.
+ - Now delete gfid attr from all but one backend bricks,
+ - Do lookup from the mount.
+ - Check whether all the bricks have the same gfid assigned.
+ """
+
+ # Create a directory on the mount
+ cmd = ("/usr/bin/env python %s create_deep_dir -d 0 -l 0 "
+ "%s/dir1" % (self.script_upload_path,
+ self.mounts[0].mountpoint))
+ ret, _, _ = g.run(self.clients[0], cmd)
+ self.assertEqual(ret, 0, "Failed to create directory on mountpoint")
+ g.log.info("Directory created successfully on mountpoint")
+
+ # Verify gfids are same on all the bricks and get dir1 gfid
+ bricks_list = get_all_bricks(self.mnode, self.volname)[1:]
+ dir_gfid = self.verify_gfid_and_retun_gfid("dir1")
+
+ # Delete gfid attr from all but one backend bricks
+ for brick in bricks_list:
+ brick_node, brick_path = brick.split(":")
+ ret = delete_fattr(brick_node, '%s/dir1' % (brick_path),
+ 'trusted.gfid')
+ self.assertTrue(ret, 'Failed to delete gfid for brick '
+ 'path %s:%s/dir1' % (brick_node, brick_path))
+ g.log.info("Successfully deleted gfid xattr for %s:%s/dir1",
+ brick_node, brick_path)
+ g.log.info("Successfully deleted gfid xattr for dir1 on the "
+ "following bricks %s", str(bricks_list[1:]))
+
+ # Trigger heal from mount point
+ sleep(10)
+ for mount_obj in self.mounts:
+ g.log.info("Triggering heal for %s:%s",
+ mount_obj.client_system, mount_obj.mountpoint)
+ command = ('cd %s; ls -l' % mount_obj.mountpoint)
+ ret, _, _ = g.run(mount_obj.client_system, command)
+ self.assertFalse(ret, 'Failed to run lookup '
+ 'on %s ' % mount_obj.client_system)
+ sleep(10)
+
+ ret = get_mounts_stat(self.mounts)
+ self.assertTrue(ret, "Failed to stat lookup on clients")
+ g.log.info('stat lookup on clients succeeded')
+
+ # Verify that all gfids for dir1 are same and get the gfid
+ dir_gfid_new = self.verify_gfid_and_retun_gfid("dir1")
+ self.assertTrue(all(gfid in dir_gfid for gfid in dir_gfid_new),
+ 'Previous gfid and new gfid are not equal, '
+ 'which is not expected, previous gfid %s '
+ 'and new gfid %s' % (dir_gfid, dir_gfid_new))
+ g.log.info('gfid heal was successful from client lookup and all '
+ 'backend bricks have same gfid xattr, no gfid mismatch')