diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/functional/dht/test_verify_create_hash.py | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/tests/functional/dht/test_verify_create_hash.py b/tests/functional/dht/test_verify_create_hash.py new file mode 100644 index 000000000..23e935392 --- /dev/null +++ b/tests/functional/dht/test_verify_create_hash.py @@ -0,0 +1,166 @@ +# 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 File creation with hashed and cached subvol down scenarios +""" + +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.glusterfile import calculate_hash +from glustolibs.gluster.brick_libs import bring_bricks_offline +from glustolibs.gluster.brickdir import BrickDir +from glustolibs.gluster.volume_libs import get_subvols + + +@runs_on([['distributed-replicated', 'distributed', 'distributed-dispersed'], + ['glusterfs']]) +class TestCreateFile(GlusterBaseClass): + ''' + test case: (file creation) + - Verify that the file is created on the hashed subvol alone + - Verify that the trusted.glusterfs.pathinfo reflects the file location + - Verify that the file creation fails if the hashed subvol is down + ''' + # Create Volume and mount according to config file + def setUp(self): + """ + Setup and mount volume or raise ExecutionError + """ + GlusterBaseClass.setUp.im_func(self) + + # Setup Volume + ret = self.setup_volume_and_mount_volume(self.mounts) + if not ret: + g.log.error("Failed to Setup and Mount Volume") + raise ExecutionError("Failed to Setup and Mount Volume") + + def test_create_file(self): + ''' + Test file creation. + ''' + # pylint: disable=too-many-locals + # pylint: disable=protected-access + # pylint: disable=too-many-statements + mount_obj = self.mounts[0] + mountpoint = mount_obj.mountpoint + + # files that needs to be created + file_one = mountpoint + '/file1' + + # hash for file_one + filehash = calculate_hash(self.servers[0], 'file1') + + # collect subvol info + subvols = (get_subvols(self.mnode, self.volname))['volume_subvols'] + secondary_bricks = [] + for subvol in subvols: + secondary_bricks.append(subvol[0]) + + brickobject = [] + for item in secondary_bricks: + temp = BrickDir(item) + brickobject.append(temp) + + # create a file + ret, _, _ = g.run(self.clients[0], ("touch %s" % file_one)) + self.assertEqual(ret, 0, ("File %s creation failed", file_one)) + + # get pathinfo xattr on the file + ret, out, err = g.run(self.clients[0], + ("getfattr -n trusted.glusterfs.pathinfo %s" % + file_one)) + g.log.info("pathinfo o/p %s", out) + self.assertEqual(ret, 0, ("failed to get pathinfo on file %s err %s", + file_one, err)) + + vol_type = self.volume_type + if vol_type == "distributed": + brickhost = (out.split(":"))[3] + brickpath = (out.split(":"))[4].split(">")[0] + else: + brickhost = (out.split(":"))[4] + brickpath = (out.split(":")[5]).split(">")[0] + + g.log.debug("brickhost %s brickpath %s", brickhost, brickpath) + + # make sure the file is present only on the hashed brick + count = -1 + for brickdir in brickobject: + count += 1 + ret = brickdir.hashrange_contains_hash(filehash) + if ret == 1: + hash_subvol = subvols[count] + ret, _, err = g.run(brickdir._host, ("stat %s/file1" % + brickdir._fqpath)) + g.log.info("Hashed subvol is %s", brickdir._host) + self.assertEqual(ret, 0, "Expected stat to succeed for file1") + continue + + ret, _, err = g.run(brickdir._host, ("stat %s/file1" % + brickdir._fqpath)) + self.assertEqual(ret, 1, "Expected stat to fail for file1") + + # checking if pathinfo xattr has the right value + ret, _, _ = g.run(brickhost, ("stat %s" % brickpath)) + self.assertEqual(ret, 0, ("Expected file1 to be present on %s", + brickhost)) + + # get permission from mount + ret, out, _ = g.run(self.clients[0], ("ls -l %s" % file_one)) + mperm = (out.split(" "))[0] + self.assertIsNotNone(mperm, "Expected stat to fail for file1") + g.log.info("permission on mount %s", mperm) + + # get permission from brick + ret, out, _ = g.run(brickhost, ("ls -l %s" % brickpath)) + bperm = (out.split(" "))[0] + self.assertIsNotNone(bperm, "Expected stat to fail for file1") + g.log.info("permission on brick %s", bperm) + + # check if the permission matches + self.assertEqual(mperm, bperm, "Expected permission to match") + + # check that gfid xattr is present on the brick + ret, _, _ = g.run(brickhost, ("getfattr -n trusted.gfid %s" % + brickpath)) + self.assertEqual(ret, 0, "gfid is not present on file") + + # delete the file, bring down it's hash, create the file, + ret, _, _ = g.run(self.clients[0], ("rm -f %s" % file_one)) + self.assertEqual(ret, 0, "file deletion for file1 failed") + + ret = bring_bricks_offline(self.volname, hash_subvol) + self.assertTrue(ret, ('Error in bringing down subvolume %s', + hash_subvol)) + + # check file creation should fail + ret, _, _ = g.run(self.clients[0], ("touch %s" % file_one)) + self.assertTrue(ret, "Expected file creation to fail") + + @classmethod + def tearDownClass(cls): + # Unmount Volume and Cleanup Volume + g.log.info("Starting to Unmount Volume and Cleanup Volume") + ret = cls.unmount_volume_and_cleanup_volume(mounts=cls.mounts) + if not ret: + raise ExecutionError("Failed to Unmount Volume and Cleanup Volume") + g.log.info("Successful in Unmount Volume and Cleanup Volume") + + # Calling GlusterBaseClass tearDown + GlusterBaseClass.tearDownClass.im_func(cls) |