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-rw-r--r--tests/functional/dht/test_dht_file_rename_when_dest_is_hashed_or_cached_to_diff_subvol_combinations.py919
1 files changed, 919 insertions, 0 deletions
diff --git a/tests/functional/dht/test_dht_file_rename_when_dest_is_hashed_or_cached_to_diff_subvol_combinations.py b/tests/functional/dht/test_dht_file_rename_when_dest_is_hashed_or_cached_to_diff_subvol_combinations.py
new file mode 100644
index 0000000..884b55a
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+++ b/tests/functional/dht/test_dht_file_rename_when_dest_is_hashed_or_cached_to_diff_subvol_combinations.py
@@ -0,0 +1,919 @@
+# 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.
+
+import re
+from glusto.core import Glusto as g
+from glustolibs.gluster.glusterfile import get_file_stat
+from glustolibs.gluster.exceptions import ExecutionError
+from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
+from glustolibs.gluster.dht_test_utils import (find_hashed_subvol,
+ create_brickobjectlist,
+ find_new_hashed,
+ find_specific_hashed)
+from glustolibs.gluster.volume_libs import get_subvols, parse_vol_file
+from glustolibs.gluster.glusterfile import (move_file,
+ is_linkto_file,
+ get_dht_linkto_xattr)
+
+
+@runs_on([['distributed-arbiter', 'distributed',
+ 'distributed-replicated',
+ 'distributed-dispersed'],
+ ['glusterfs']])
+class DhtFileRenameWithDestFile(GlusterBaseClass):
+
+ def setUp(self):
+ """
+ Setup Volume and Mount Volume
+ """
+ # Calling GlusterBaseClass setUp
+ self.get_super_method(self, 'setUp')()
+
+ # Change the dist count to 4 in case of 'distributed-replicated' ,
+ # 'distributed-dispersed' and 'distributed-arbiter'
+ if self.volume_type in ("distributed-replicated",
+ "distributed-dispersed",
+ "distributed-arbiter"):
+ self.volume['voltype']['dist_count'] = 4
+
+ # Setup Volume and Mount Volume
+ ret = self.setup_volume_and_mount_volume(mounts=[self.mounts[0]])
+ if not ret:
+ raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
+
+ self.mount_point = self.mounts[0].mountpoint
+
+ self.subvols = (get_subvols(
+ self.mnode, self.volname))['volume_subvols']
+ self.assertIsNotNone(self.subvols, "failed to get subvols")
+
+ def tearDown(self):
+ """
+ Unmount Volume and Cleanup Volume
+ """
+ # Unmount Volume and Cleanup Volume
+ ret = self.unmount_volume_and_cleanup_volume(mounts=[self.mounts[0]])
+ if not ret:
+ raise ExecutionError("Unmount Volume and Cleanup Volume: Fail")
+ g.log.info("Unmount Volume and Cleanup Volume: Success")
+
+ # Calling GlusterBaseClass tearDown
+ self.get_super_method(self, 'tearDown')()
+
+ def _create_file_and_get_hashed_subvol(self, file_name):
+ """ Creates a file and return its hashed subvol
+
+ Args:
+ file_name(str): name of the file to be created
+ Returns:
+ hashed_subvol object: An object of type BrickDir type
+ representing the hashed subvolume
+
+ subvol_count: The subvol index in the subvol list
+
+ source_file: Path to the file created
+
+ """
+ # pylint: disable=unsubscriptable-object
+
+ # Create Source File
+ source_file = "{}/{}".format(self.mount_point, file_name)
+ ret, _, err = g.run(self.mounts[0].client_system,
+ ("touch %s" % source_file))
+ self.assertEqual(ret, 0, ("Failed to create {} : err {}"
+ .format(source_file, err)))
+ g.log.info("Successfully created the source file")
+
+ # Find the hashed subvol for source file
+ source_hashed_subvol, count = find_hashed_subvol(self.subvols,
+ "/",
+ file_name)
+ self.assertIsNotNone(source_hashed_subvol,
+ "Couldn't find hashed subvol for the source file")
+ return source_hashed_subvol, count, source_file
+
+ @staticmethod
+ def _verify_link_file_exists(brickdir, file_name):
+ """ Verifies whether a file link is present in given subvol
+ Args:
+ brickdir(Class Object): BrickDir object containing data about
+ bricks under a specific subvol
+ Returns:
+ (bool): True if link file exists else false
+ """
+ # pylint: disable=protected-access
+ # pylint: disable=unsubscriptable-object
+ file_path = brickdir._fqpath + file_name
+ file_stat = get_file_stat(brickdir._host, file_path)
+ if file_stat is None:
+ g.log.error("Failed to get File stat for %s", file_path)
+ return False
+ if not file_stat['access'] == "1000":
+ g.log.error("Access value not 1000 for %s", file_path)
+ return False
+
+ # Check for file type to be'sticky empty', have size of 0 and
+ # have the glusterfs.dht.linkto xattr set.
+ ret = is_linkto_file(brickdir._host, file_path)
+ if not ret:
+ g.log.error("%s is not a linkto file", file_path)
+ return False
+ return True
+
+ @staticmethod
+ def _verify_file_exists(brick_dir, file_name):
+ """ Verifies whether a file is present in given subvol or not
+ Args:
+ brick_dir(Class Object): BrickDir object containing data about
+ bricks under a specific subvol
+ file_name(str): Name of the file to be searched
+ Returns:
+ (bool): True if link file exists else false
+ """
+ # pylint: disable=protected-access
+
+ cmd = "[ -f {} ]".format(brick_dir._fqpath + (str(file_name)))
+ ret, _, _ = g.run(brick_dir._host, cmd)
+ if ret:
+ return False
+ return True
+
+ @staticmethod
+ def _get_remote_subvolume(vol_file_data, brick_name):
+ """ Verifies whether a file is present in given subvol or not
+ Args:
+ vol_file_data(dict): Dictionary containing data of .vol file
+ brick_name(str): Brick path
+ Returns:
+ (str): Remote subvol name
+ (None): If error occurred
+ """
+ try:
+ brick_name = re.search(r'[a-z0-9\-\_]*', brick_name).group()
+ remote_subvol = (vol_file_data[
+ brick_name]['option']['remote-subvolume'])
+ except KeyError:
+ return None
+ return remote_subvol
+
+ def _verify_file_links_to_specified_destination(self, host, file_path,
+ dest_file):
+ """ Verifies whether a file link points to the specified destination
+ Args:
+ host(str): Host at which commands are to be executed
+ file_path(str): path to the link file
+ dest_file(str): path to the dest file to be pointed at
+ Returns:
+ (bool) : Based on whether the given file points to dest or not
+ """
+ link_to_xattr = get_dht_linkto_xattr(host, file_path)
+ # Remove unexpected chars in the value, if any
+ link_to_xattr = re.search(r'[a-z0-9\-\_]*', link_to_xattr).group()
+ if link_to_xattr is None:
+ g.log.error("Failed to get trusted.glusterfs.dht.linkto")
+ return False
+
+ # Get the remote-subvolume for the corresponding linkto xattr
+ path = ("/var/lib/glusterd/vols/{}/{}.tcp-fuse.vol"
+ .format(self.volname, self.volname))
+ vol_data = parse_vol_file(self.mnode, path)
+ if not vol_data:
+ g.log.error("Failed to parse the file %s", path)
+ return False
+
+ remote_subvol = self._get_remote_subvolume(vol_data, link_to_xattr)
+ if remote_subvol is None:
+ # In case, failed to find the remote subvol, get all the
+ # subvolumes and then check whether the file is present in
+ # any of those sunbol
+ subvolumes = vol_data[link_to_xattr]['subvolumes']
+ for subvol in subvolumes:
+ remote_subvol = self._get_remote_subvolume(vol_data,
+ subvol)
+ if remote_subvol:
+ subvol = re.search(r'[a-z0-9\-\_]*', subvol).group()
+ remote_host = (
+ vol_data[subvol]['option']['remote-host'])
+ # Verify the new file is in the remote-subvol identified
+ cmd = "[ -f {}/{} ]".format(remote_subvol, dest_file)
+ ret, _, _ = g.run(remote_host, cmd)
+ if not ret:
+ return True
+ g.log.error("The given link file doesn't point to any of "
+ "the subvolumes")
+ return False
+ else:
+ remote_host = vol_data[link_to_xattr]['option']['remote-host']
+ # Verify the new file is in the remote-subvol identified
+ cmd = "[ -f {}/{} ]".format(remote_subvol, dest_file)
+ ret, _, _ = g.run(remote_host, cmd)
+ if not ret:
+ return True
+ return False
+
+ def test_file_rename_when_dest_doesnt_hash_src_cached_or_hashed(self):
+ """
+ - Destination file should exist
+ - Source file is hashed on sub volume(s1) and cached on
+ another subvolume(s2)
+ - Destination file should be hased to subvolume(s3) other
+ than above two subvolumes
+ - Destination file hased on subvolume(s3) but destination file
+ should be cached on same subvolume(s2) where source file is stored
+ mv <source_file> <destination_file>
+ - Destination file is removed.
+ - Source file should be renamed as destination file
+ - Destination file hashed on subvolume and should link
+ to new destination file
+ - source link file should be removed
+ """
+ # pylint: disable=protected-access
+ # pylint: disable=too-many-locals
+
+ # Create source file and Get hashed subvol (s2)
+ src_subvol, src_count, source_file = (
+ self._create_file_and_get_hashed_subvol("test_source_file"))
+
+ # Find a new file name for destination file, which hashes
+ # to another subvol (s1)
+ new_hashed = find_new_hashed(self.subvols, "/", "test_source_file")
+ self.assertIsNotNone(new_hashed,
+ "couldn't find new hashed for destination file")
+
+ # Rename the source file to the new file name
+ dest_file = "{}/{}".format(self.mount_point, str(new_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, source_file, dest_file)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(source_file, dest_file)))
+
+ # Verify the Source link file is stored on hashed sub volume(s1)
+ src_link_subvol = new_hashed.hashedbrickobject
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertTrue(ret, ("The hashed subvol {} doesn't have the "
+ "expected linkto file: {}"
+ .format(src_link_subvol._fqpath,
+ str(new_hashed.newname))))
+
+ # Identify a file name for dest to get stored in S2
+ dest_cached_subvol = find_specific_hashed(self.subvols,
+ "/",
+ src_subvol)
+ # Create the file with identified name
+ _, _, dst_file = (
+ self._create_file_and_get_hashed_subvol(
+ str(dest_cached_subvol.newname)))
+ # Verify its in S2 itself
+ self.assertEqual(dest_cached_subvol.subvol_count, src_count,
+ ("The subvol found for destination is not same as "
+ "that of the source file cached subvol"))
+
+ # Find a subvol (s3) for dest file to linkto, other than S1 and S2
+ brickobject = create_brickobjectlist(self.subvols, "/")
+ self.assertIsNotNone(brickobject, "Failed to get brick object list")
+ br_count = -1
+ subvol_new = None
+ for brickdir in brickobject:
+ br_count += 1
+ if br_count not in (src_count, new_hashed.subvol_count):
+ subvol_new = brickdir
+ break
+
+ new_hashed2 = find_specific_hashed(self.subvols,
+ "/",
+ subvol_new)
+ self.assertIsNotNone(new_hashed2,
+ "could not find new hashed for dstfile")
+
+ # Verify the subvol is not same as S1(src_count) and S2(dest_count)
+ self.assertNotEqual(new_hashed2.subvol_count, src_count,
+ ("The subvol found for destination is same as that"
+ " of the source file cached subvol"))
+ self.assertNotEqual(new_hashed2.subvol_count, new_hashed.subvol_count,
+ ("The subvol found for destination is same as that"
+ " of the source file hashed subvol"))
+
+ # Rename the dest file to the new file name
+ dst_file_ln = "{}/{}".format(self.mount_point,
+ str(new_hashed2.newname))
+ ret = move_file(self.mounts[0].client_system, dst_file, dst_file_ln)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(dst_file, dst_file_ln)))
+
+ # Verify the Dest link file is stored on hashed sub volume(s3)
+ dest_link_subvol = new_hashed2.hashedbrickobject
+ ret = self._verify_link_file_exists(dest_link_subvol,
+ str(new_hashed2.newname))
+ self.assertTrue(ret, ("The hashed subvol {} doesn't have the "
+ "expected linkto file: {}"
+ .format(dest_link_subvol._fqpath,
+ str(new_hashed2.newname))))
+
+ # Move/Rename Source File to Dest
+ src_file = "{}/{}".format(self.mount_point, str(new_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, src_file, dst_file)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(src_file, dst_file)))
+
+ # Verify Source file is removed
+ ret = self._verify_file_exists(src_subvol, "test_source_file")
+ self.assertFalse(ret, "The source file is still present in {}"
+ .format(src_subvol._fqpath))
+
+ # Verify Source link is removed
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertFalse(ret, "The source link file is still present in {}"
+ .format(src_link_subvol._fqpath))
+
+ # Verify the Destination link is on hashed subvolume
+ ret = self._verify_link_file_exists(dest_link_subvol,
+ str(new_hashed2.newname))
+ self.assertTrue(ret, ("The hashed subvol {} doesn't have the "
+ "expected linkto file: {}"
+ .format(dest_link_subvol._fqpath,
+ str(new_hashed2.newname))))
+
+ # Verify the dest link file points to new destination file
+ file_path = dest_link_subvol._fqpath + str(new_hashed2.newname)
+ ret = (self._verify_file_links_to_specified_destination(
+ dest_link_subvol._host, file_path,
+ str(dest_cached_subvol.newname)))
+ self.assertTrue(ret, "The dest link file not pointing towards "
+ "the desired file")
+ g.log.info("The Destination link file is pointing to new file"
+ " as expected")
+
+ def test_file_rename_when_dest_hash_src_cached(self):
+ """
+ - Destination file should exist
+ - Source file hashed sub volume(s1) and cached on another subvolume(s2)
+ - Destination file should be hased to subvolume where source file is
+ stored(s2)
+ - Destination file hased on subvolume(s2) but should be cached on
+ some other subvolume(s3) than this two subvolume
+ mv <source_file> <destination_file>
+ - Destination file is removed.
+ - Source file should be renamed as destination file
+ - Destination link file should be removed
+ - source link file should be removed
+ """
+ # pylint: disable=protected-access
+ # pylint: disable=too-many-locals
+
+ # Create source file and Get hashed subvol (s2)
+ src_subvol, src_count, source_file = (
+ self._create_file_and_get_hashed_subvol("test_source_file"))
+
+ # Find a new file name for destination file, which hashes
+ # to another subvol (s2)
+ new_hashed = find_new_hashed(self.subvols, "/", "test_source_file")
+ self.assertIsNotNone(new_hashed,
+ "couldn't find new hashed for destination file")
+
+ # Rename the source file to the new file name
+ src_hashed = "{}/{}".format(self.mount_point, str(new_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, source_file, src_hashed)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(source_file, src_hashed)))
+
+ # Verify the Source link file is stored on hashed sub volume(s1)
+ src_link_subvol = new_hashed.hashedbrickobject
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertTrue(ret, ("The hashed subvol {} doesn't have the "
+ "expected linkto file: {}"
+ .format(src_link_subvol._fqpath,
+ str(new_hashed.newname))))
+
+ # Find a subvol (s3) for dest file to linkto, other than S1 and S2
+ brickobject = create_brickobjectlist(self.subvols, "/")
+ self.assertIsNotNone(brickobject, "Failed to get brick object list")
+ br_count = -1
+ subvol_new = None
+ for brickdir in brickobject:
+ br_count += 1
+ if br_count not in (src_count, new_hashed.subvol_count):
+ subvol_new = brickdir
+ break
+
+ new_hashed2 = find_specific_hashed(self.subvols,
+ "/",
+ subvol_new)
+ self.assertIsNotNone(new_hashed2,
+ "could not find new hashed for dstfile")
+
+ # Create a file in the subvol S3
+ dest_subvol, count, dest_file = (
+ self._create_file_and_get_hashed_subvol(str(new_hashed2.newname)))
+
+ # Verify the subvol is not same as S1 and S2
+ self.assertNotEqual(count, src_count,
+ ("The subvol found for destination is same as that"
+ " of the source file cached subvol"))
+ self.assertNotEqual(count, new_hashed.subvol_count,
+ ("The subvol found for destination is same as that"
+ " of the source file hashed subvol"))
+
+ # Find a file name that hashes to S2
+ dest_hashed = find_specific_hashed(self.subvols,
+ "/",
+ src_subvol)
+ self.assertIsNotNone(dest_hashed,
+ "could not find new hashed for dstfile")
+
+ # Rename destination to hash to S2 and verify
+ dest = "{}/{}".format(self.mount_point, str(dest_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, dest_file, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(dest_file, dest)))
+
+ # Rename Source File to Dest
+ ret = move_file(self.mounts[0].client_system, src_hashed, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(src_hashed, dest)))
+
+ # Verify Destination File is removed
+ ret = self._verify_file_exists(new_hashed2.hashedbrickobject,
+ str(new_hashed2.newname))
+ self.assertFalse(ret, "The Destination file is still present in {}"
+ .format(dest_subvol._fqpath))
+
+ # Verify Source link is removed
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertFalse(ret, "The source link file is still present in {}"
+ .format(src_link_subvol._fqpath))
+
+ # Verify Destination Link is removed
+ ret = self._verify_link_file_exists(dest_hashed.hashedbrickobject,
+ str(dest_hashed.newname))
+ self.assertFalse(ret, "The Dest link file is still present in {}"
+ .format(dest_hashed.hashedbrickobject._fqpath))
+
+ def test_file_rename_when_src_linked_and_dest_hash_other(self):
+ """
+ - Destination file should exist
+ - Source link file hashed on sub volume(s1) and cached on another
+ subvolume(s2)
+ - Destination file should be hased to some other
+ subvolume(s3)(neither s1 nor s2)
+ - Destination file hased on subvolume(s3) but cached on
+ subvolume(s1) where source file is hashed
+ mv <source_file> <destination_file>
+ - Destination file is removed.
+ - Source file should be renamed as destination file
+ - Destination link file should be there on hashed subvolume
+ and should link to new destination file
+ - source link file should be removed
+ """
+ # pylint: disable=protected-access
+ # pylint: disable=too-many-locals
+
+ # Create source file and Get hashed subvol (s2)
+ _, src_count, source_file = (
+ self._create_file_and_get_hashed_subvol("test_source_file"))
+
+ # Find a new file name for destination file, which hashes
+ # to another subvol (s2)
+ new_hashed = find_new_hashed(self.subvols, "/", "test_source_file")
+ self.assertIsNotNone(new_hashed,
+ "couldn't find new hashed for destination file")
+
+ # Rename the source file to the new file name
+ src_hashed = "{}/{}".format(self.mount_point, str(new_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, source_file, src_hashed)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(source_file, src_hashed)))
+
+ # Verify the Source link file is stored on hashed sub volume(s1)
+ src_link_subvol = new_hashed.hashedbrickobject
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertTrue(ret, ("The hashed subvol {} doesn't have the "
+ "expected linkto file: {}"
+ .format(src_link_subvol._fqpath,
+ str(new_hashed.newname))))
+
+ # Find a file name that hashes to S1
+ dest_hashed = find_specific_hashed(self.subvols,
+ "/",
+ new_hashed.hashedbrickobject,
+ new_hashed.newname)
+ self.assertIsNotNone(dest_hashed,
+ "could not find new hashed for dstfile")
+
+ # Create a file in the subvol S1
+ dest_subvol, count, _ = self._create_file_and_get_hashed_subvol(
+ str(dest_hashed.newname))
+
+ # Verify the subvol is S1
+ self.assertEqual(count, new_hashed.subvol_count,
+ ("The subvol found for destination is not same as"
+ " that of the source file hashed subvol"))
+
+ # Find a subvol (s3) for dest file to linkto, other than S1 and S2
+ brickobject = create_brickobjectlist(self.subvols, "/")
+ self.assertIsNotNone(brickobject, "Failed to get brick object list")
+ br_count = -1
+ subvol_new = None
+ for brickdir in brickobject:
+ br_count += 1
+ if br_count not in (src_count, new_hashed.subvol_count):
+ subvol_new = brickdir
+ break
+
+ new_hashed2 = find_specific_hashed(self.subvols,
+ "/",
+ subvol_new)
+ self.assertIsNotNone(new_hashed2,
+ "could not find new hashed for dstfile")
+
+ # Rename destination to hash to S3 and verify
+ dest_src = "{}/{}".format(self.mount_point, str(dest_hashed.newname))
+ dest = "{}/{}".format(self.mount_point, str(new_hashed2.newname))
+ ret = move_file(self.mounts[0].client_system, dest_src, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(dest_src, dest)))
+
+ # Rename Source File to Dest
+ ret = move_file(self.mounts[0].client_system, src_hashed, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(src_hashed, dest)))
+
+ # Verify Destination File is removed
+ ret = self._verify_file_exists(dest_hashed.hashedbrickobject,
+ str(dest_hashed.newname))
+ self.assertFalse(ret, "The Destination file is still present in {}"
+ .format(dest_subvol._fqpath))
+
+ # Verify Source link is removed
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertFalse(ret, "The source link file is still present in {}"
+ .format(src_link_subvol._fqpath))
+
+ # Verify Destination Link is present and points to new dest file
+ ret = self._verify_link_file_exists(new_hashed2.hashedbrickobject,
+ str(new_hashed2.newname))
+ self.assertTrue(ret, "The Dest link file is not present in {}"
+ .format(new_hashed2.hashedbrickobject._fqpath))
+
+ file_path = new_hashed2.hashedbrickobject._fqpath + str(
+ new_hashed2.newname)
+ ret = (self._verify_file_links_to_specified_destination(
+ new_hashed2.hashedbrickobject._host, file_path,
+ str(new_hashed2.newname)))
+ self.assertTrue(ret, "The dest link file not pointing towards "
+ "the desired file")
+ g.log.info("The Destination link file is pointing to new file"
+ " as expected")
+
+ def test_file_rename_when_dest_hash_src_cached_but_hash_other(self):
+ """
+ - Destination file should exist
+ - Source file hashed on sub volume(s1) and cached
+ on another subvolume(s2)
+ - Destination file should be hased to same subvolume(s1)
+ where source file is hashed
+ - Destination hased on subvolume(s1) but cached on some other
+ subvolume(s3)(neither s1 nor s2)
+ mv <source_file> <destination_file>
+ - Destination file is removed.
+ - Source file should be renamed as destination file
+ - Destination link file should be there on hashed subvolume
+ and should link to new destination file
+ - source link file should be removed
+ """
+ # pylint: disable=protected-access
+ # pylint: disable=too-many-locals
+
+ # Create source file and Get hashed subvol (s2)
+ _, src_count, source_file = (
+ self._create_file_and_get_hashed_subvol("test_source_file"))
+
+ # Find a new file name for destination file, which hashes
+ # to another subvol (s2)
+ new_hashed = find_new_hashed(self.subvols, "/", "test_source_file")
+ self.assertIsNotNone(new_hashed,
+ "couldn't find new hashed for destination file")
+
+ # Rename the source file to the new file name
+ src_hashed = "{}/{}".format(self.mount_point, str(new_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, source_file, src_hashed)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(source_file, src_hashed)))
+
+ # Verify the Source link file is stored on hashed sub volume(s1)
+ src_link_subvol = new_hashed.hashedbrickobject
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertTrue(ret, ("The hashed subvol {} doesn't have the "
+ "expected linkto file: {}"
+ .format(src_link_subvol._fqpath,
+ str(new_hashed.newname))))
+
+ # Destination file cached on S3.
+ # Find a subvol (s3) for dest file to linkto, other than S1 and S2
+ brickobject = create_brickobjectlist(self.subvols, "/")
+ self.assertIsNotNone(brickobject, "Failed to get brick object list")
+ br_count = -1
+ subvol_new = None
+ for brickdir in brickobject:
+ br_count += 1
+ if br_count not in (src_count, new_hashed.subvol_count):
+ subvol_new = brickdir
+ break
+
+ dest_cached = find_specific_hashed(self.subvols,
+ "/",
+ subvol_new)
+ self.assertIsNotNone(dest_cached,
+ "could not find new hashed for dstfile")
+
+ # Create a file in S3
+ _, count, dest_src = self._create_file_and_get_hashed_subvol(
+ str(dest_cached.newname))
+
+ # Verify the subvol is not S2 and S1
+ self.assertNotEqual(count, new_hashed.subvol_count,
+ ("The subvol found for destination is same as "
+ "that of the source file hashed subvol"))
+ self.assertNotEqual(count, src_count,
+ ("The subvol found for destination is same as "
+ "that of the source file cached subvol"))
+
+ # Rename Destination file such that it hashes to S1
+ dest_hashed = find_specific_hashed(self.subvols,
+ "/",
+ new_hashed.hashedbrickobject,
+ new_hashed.newname)
+ # Verify its S1
+ self.assertEqual(dest_hashed.subvol_count, new_hashed.subvol_count,
+ ("The subvol found for destination is not same as "
+ "that of the source file hashed subvol"))
+
+ # Move dest to new name
+ dest = "{}/{}".format(self.mount_point, str(dest_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, dest_src, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(dest_src, dest)))
+
+ # Move Source file to Dest
+ src = "{}/{}".format(self.mount_point, str(new_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, src, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(src, dest)))
+
+ # Verify Destination File is removed
+ ret = self._verify_file_exists(dest_cached.hashedbrickobject,
+ str(dest_cached.newname))
+ self.assertFalse(ret, "The Dest file is still present in {}"
+ .format(dest_cached.hashedbrickobject._fqpath))
+
+ # Verify Source link is removed
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertFalse(ret, "The source link file is still present in {}"
+ .format(src_link_subvol._fqpath))
+
+ # Verify Destination Link is present and points to new dest file
+ ret = self._verify_link_file_exists(dest_hashed.hashedbrickobject,
+ str(dest_hashed.newname))
+ self.assertTrue(ret, "The Dest link file is not present in {}"
+ .format(dest_hashed.hashedbrickobject._fqpath))
+
+ file_path = dest_hashed.hashedbrickobject._fqpath + str(
+ dest_hashed.newname)
+ ret = (self._verify_file_links_to_specified_destination(
+ dest_hashed.hashedbrickobject._host, file_path,
+ str(dest_hashed.newname)))
+ self.assertTrue(ret, "The dest link file not pointing towards "
+ "the desired file")
+ g.log.info("The Destination link file is pointing to new file"
+ " as expected")
+
+ def test_file_rename_when_dest_neither_hash_cache_to_src_subvols(self):
+ """
+ - Destination file should exist
+ - Source file hashed on sub volume(s1) and cached on
+ another subvolume(s2)
+ - Destination file should be hased to some other subvolume(s3)
+ (neither s1 nor s2)
+ - Destination file hased on subvolume(s3) but cached on
+ remaining subvolume(s4)
+ mv <source_file> <destination_file>
+ - Destination file is removed.
+ - Source file should be renamed as destination file
+ - Destination link file should be there on hashed subvolume
+ and should link to new destination file
+ - source link file should be removed
+ """
+ # pylint: disable=protected-access
+ # pylint: disable=too-many-locals
+
+ # Create source file and Get hashed subvol (s2)
+ _, src_count, source_file = (
+ self._create_file_and_get_hashed_subvol("test_source_file"))
+
+ # Find a new file name for destination file, which hashes
+ # to another subvol (s2)
+ new_hashed = find_new_hashed(self.subvols, "/", "test_source_file")
+ self.assertIsNotNone(new_hashed,
+ "couldn't find new hashed for destination file")
+
+ # Rename the source file to the new file name
+ src_hashed = "{}/{}".format(self.mount_point, str(new_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, source_file, src_hashed)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(source_file, src_hashed)))
+
+ # Verify the Source link file is stored on hashed sub volume(s1)
+ src_link_subvol = new_hashed.hashedbrickobject
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertTrue(ret, ("The hashed subvol {} doesn't have the "
+ "expected linkto file: {}"
+ .format(src_link_subvol._fqpath,
+ str(new_hashed.newname))))
+
+ # Destination file cached on S4.
+ # Find a subvol (s4) for dest file to linkto, other than S1 and S2
+ brickobject = create_brickobjectlist(self.subvols, "/")
+ self.assertIsNotNone(brickobject, "Failed to get brick object list")
+ br_count = -1
+ subvol_new = None
+ for brickdir in brickobject:
+ br_count += 1
+ if br_count not in (src_count, new_hashed.subvol_count):
+ subvol_new = brickdir
+ break
+
+ dest_cached = find_specific_hashed(self.subvols,
+ "/",
+ subvol_new)
+ self.assertIsNotNone(dest_cached,
+ "could not find new hashed for dstfile")
+ # Create a file in S3
+ _, _, dest_src = self._create_file_and_get_hashed_subvol(
+ str(dest_cached.newname))
+
+ # Verify the subvol is not S2 and S1
+ self.assertNotEqual(dest_cached.subvol_count, new_hashed.subvol_count,
+ ("The subvol found for destination is same as "
+ "that of the source file hashed subvol"))
+ self.assertNotEqual(dest_cached.subvol_count, src_count,
+ ("The subvol found for destination is same as "
+ "that of the source file cached subvol"))
+
+ # Identify a name for dest that hashes to another subvol S3
+ # Find a subvol (s3) for dest file to linkto, other than S1 and S2 and
+ # S4
+ brickobject = create_brickobjectlist(self.subvols, "/")
+ self.assertIsNotNone(brickobject, "Failed to get brick object list")
+ br_count = -1
+ subvol_new = None
+ for brickdir in brickobject:
+ br_count += 1
+ if br_count not in (src_count, new_hashed.subvol_count,
+ dest_cached.subvol_count):
+ subvol_new = brickdir
+ break
+
+ dest_hashed = find_specific_hashed(self.subvols,
+ "/",
+ subvol_new)
+
+ # Move dest to new name
+ dest = "{}/{}".format(self.mount_point, str(dest_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, dest_src, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(dest_src, dest)))
+
+ # Move Source file to Dest
+ src = "{}/{}".format(self.mount_point, str(new_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, src, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(src, dest)))
+
+ # Verify Destination File is removed
+ ret = self._verify_file_exists(dest_cached.hashedbrickobject,
+ str(dest_cached.newname))
+ self.assertFalse(ret, "The Source file is still present in {}"
+ .format(dest_cached.hashedbrickobject._fqpath))
+
+ # Verify Source link is removed
+ ret = self._verify_link_file_exists(src_link_subvol,
+ str(new_hashed.newname))
+ self.assertFalse(ret, "The source link file is still present in {}"
+ .format(src_link_subvol._fqpath))
+
+ # Verify Destination Link is present and points to new dest file
+ ret = self._verify_link_file_exists(dest_hashed.hashedbrickobject,
+ str(dest_hashed.newname))
+ self.assertTrue(ret, "The Dest link file is not present in {}"
+ .format(dest_hashed.hashedbrickobject._fqpath))
+
+ file_path = dest_hashed.hashedbrickobject._fqpath + str(
+ dest_hashed.newname)
+ ret = (self._verify_file_links_to_specified_destination(
+ dest_hashed.hashedbrickobject._host, file_path,
+ str(dest_hashed.newname)))
+ self.assertTrue(ret, "The dest link file not pointing towards "
+ "the desired file")
+ g.log.info("The Destination link file is pointing to new file"
+ " as expected")
+
+ def test_file_rename_when_dest_hash_src_hashed_but_cache_diff(self):
+ """
+ - Destination file should exist
+ - Source file is stored on hashed subvolume it self
+ - Destination file should be hased to some other subvolume(s2)
+ - Destination file hased on subvolume(s2) but cached on some other
+ subvolume(s3)(neither s1 nor s2)
+ mv <source_file> <destination_file>
+ - Destination file is removed.
+ - Source file should be renamed as destination file
+ - Destination link file should be there on hashed subvolume and
+ should link to new destination file
+ """
+ # pylint: disable=protected-access
+ # pylint: disable=too-many-locals
+
+ # Create source file and Get hashed subvol (s1)
+ _, src_count, source_file = (
+ self._create_file_and_get_hashed_subvol("test_source_file"))
+
+ # Find a new file name for destination to hash to some subvol S3
+ new_hashed = find_new_hashed(self.subvols, "/", "test_source_file")
+ self.assertIsNotNone(new_hashed,
+ "couldn't find new hashed for destination file")
+
+ # Create Dest file in S3
+ dest_cached, dest_count, dest_file = (
+ self._create_file_and_get_hashed_subvol(str(new_hashed.newname)))
+
+ # Verify S1 and S3 are not same
+ self.assertNotEqual(src_count, dest_count,
+ ("The destination file is cached to the source "
+ "cached subvol"))
+
+ # Find new name for dest file, that it hashes to some other subvol S2
+ brickobject = create_brickobjectlist(self.subvols, "/")
+ self.assertIsNotNone(brickobject, "Failed to get brick object list")
+ br_count = -1
+ subvol_new = None
+ for brickdir in brickobject:
+ br_count += 1
+ if br_count not in (src_count, dest_count):
+ subvol_new = brickdir
+ break
+
+ dest_hashed = find_specific_hashed(self.subvols,
+ "/",
+ subvol_new)
+ # Move dest to new name
+ dest = "{}/{}".format(self.mount_point, str(dest_hashed.newname))
+ ret = move_file(self.mounts[0].client_system, dest_file, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(dest_file, dest)))
+
+ # Move Source file to Dest
+ ret = move_file(self.mounts[0].client_system, source_file, dest)
+ self.assertTrue(ret, ("Failed to move file {} and {}"
+ .format(source_file, dest)))
+
+ # Verify Destination File is removed
+ ret = self._verify_file_exists(dest_cached,
+ str(new_hashed.newname))
+ self.assertFalse(ret, "The Source file is still present in {}"
+ .format(dest_cached._fqpath))
+
+ # Verify Destination Link is present and points to new dest file
+ ret = self._verify_link_file_exists(dest_hashed.hashedbrickobject,
+ str(dest_hashed.newname))
+ self.assertTrue(ret, "The Dest link file is not present in {}"
+ .format(dest_hashed.hashedbrickobject._fqpath))
+
+ file_path = dest_hashed.hashedbrickobject._fqpath + str(
+ dest_hashed.newname)
+ ret = (self._verify_file_links_to_specified_destination(
+ dest_hashed.hashedbrickobject._host, file_path,
+ str(dest_hashed.newname)))
+ self.assertTrue(ret, "The dest link file not pointing towards "
+ "the desired file")
+ g.log.info("The Destination link file is pointing to new file"
+ " as expected")