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-rw-r--r--tests/functional/dht/test_add_brick_rebalance_with_symlink_pointing_out_of_gluster.py133
1 files changed, 133 insertions, 0 deletions
diff --git a/tests/functional/dht/test_add_brick_rebalance_with_symlink_pointing_out_of_gluster.py b/tests/functional/dht/test_add_brick_rebalance_with_symlink_pointing_out_of_gluster.py
new file mode 100644
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+++ b/tests/functional/dht/test_add_brick_rebalance_with_symlink_pointing_out_of_gluster.py
@@ -0,0 +1,133 @@
+# 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.
+
+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.rebalance_ops import (
+ rebalance_start, wait_for_rebalance_to_complete)
+from glustolibs.gluster.glusterfile import get_md5sum
+from glustolibs.gluster.volume_libs import expand_volume
+from glustolibs.io.utils import (validate_io_procs, wait_for_io_to_complete)
+
+
+@runs_on([['distributed-replicated', 'distributed-arbiter'], ['glusterfs']])
+class TestAddBrickRebalanceWithSymlinkPointingOutOfGluster(GlusterBaseClass):
+
+ def setUp(self):
+
+ self.get_super_method(self, 'setUp')()
+
+ # Setup Volume
+ if not self.setup_volume_and_mount_volume([self.mounts[0]]):
+ raise ExecutionError("Failed to Setup and mount volume")
+
+ self.is_io_running = False
+
+ def tearDown(self):
+
+ # Remove the temporary dir created for test
+ ret, _, _ = g.run(self.mounts[0].client_system, "rm -rf /mnt/tmp/")
+ if ret:
+ raise ExecutionError("Failed to remove /mnt/tmp create for test")
+
+ # If I/O processes are running wait for it to complete
+ if self.is_io_running:
+ if not wait_for_io_to_complete(self.list_of_io_processes,
+ [self.mounts[0]]):
+ raise ExecutionError("Failed to wait for I/O to complete")
+
+ if not self.unmount_volume_and_cleanup_volume([self.mounts[0]]):
+ raise ExecutionError("Failed to Cleanup Volume")
+
+ # Calling GlusterBaseClass tearDown
+ self.get_super_method(self, 'tearDown')()
+
+ def test_add_brick_rebalance_with_symlink_pointing_out_of_volume(self):
+ """
+ Test case:
+ 1. Create a volume, start it and mount it.
+ 2. Create symlinks on the volume such that the files for the symlink
+ are outside the volume.
+ 3. Once all the symlinks are create a data file using dd:
+ dd if=/dev/urandom of=FILE bs=1024 count=100
+ 4. Start copying the file's data to all the symlink.
+ 5. When data is getting copied to all files through symlink add brick
+ and start rebalance.
+ 6. Once rebalance is complete check the md5sum of each file through
+ symlink and compare if it's same as the orginal file.
+ """
+ # Create symlinks on volume pointing outside volume
+ cmd = ("cd %s; mkdir -p /mnt/tmp;for i in {1..100};do "
+ "touch /mnt/tmp/file$i; ln -sf /mnt/tmp/file$i link$i;done"
+ % self.mounts[0].mountpoint)
+ ret, _, _ = g.run(self.mounts[0].client_system, cmd)
+ self.assertFalse(
+ ret, "Failed to create symlinks pointing outside volume")
+
+ # Create a data file using dd inside mount point
+ cmd = ("cd %s; dd if=/dev/urandom of=FILE bs=1024 count=100"
+ % self.mounts[0].mountpoint)
+ ret, _, _ = g.run(self.mounts[0].client_system, cmd)
+ self.assertFalse(ret, "Failed to create data file on mount point")
+
+ # Start copying data from file to symliks
+ cmd = ("cd %s;for i in {1..100};do cat FILE >> link$i;done"
+ % self.mounts[0].mountpoint)
+ self.list_of_io_processes = [
+ g.run_async(self.mounts[0].client_system, cmd)]
+ self.is_copy_running = True
+
+ # Add brick to volume
+ ret = expand_volume(self.mnode, self.volname, self.servers,
+ self.all_servers_info)
+ self.assertTrue(ret, "Failed to add brick on volume %s"
+ % self.volname)
+
+ # Trigger rebalance and wait for it to complete
+ ret, _, _ = rebalance_start(self.mnode, self.volname,
+ force=True)
+ self.assertEqual(ret, 0, "Failed to start rebalance on the volume %s"
+ % self.volname)
+
+ # Wait for rebalance to complete
+ ret = wait_for_rebalance_to_complete(self.mnode, self.volname,
+ timeout=1200)
+ self.assertTrue(ret, "Rebalance is not yet complete on the volume "
+ "%s" % self.volname)
+ g.log.info("Rebalance successfully completed")
+
+ # Validate if I/O was successful or not.
+ ret = validate_io_procs(self.list_of_io_processes, self.mounts)
+ self.assertTrue(ret, "IO failed on some of the clients")
+ self.is_copy_running = False
+
+ # Get md5sum of the original file and compare it with that of
+ # all files through the symlink
+ original_file_md5sum = get_md5sum(self.mounts[0].client_system,
+ "{}/FILE".format(
+ self.mounts[0].mountpoint))
+ self.assertIsNotNone(original_file_md5sum,
+ 'Failed to get md5sum of original file')
+ for number in range(1, 101):
+ symlink_md5sum = get_md5sum(self.mounts[0].client_system,
+ "{}/link{}".format(
+ self.mounts[0].mountpoint, number))
+ self.assertEqual(original_file_md5sum.split(' ')[0],
+ symlink_md5sum.split(' ')[0],
+ "Original file and symlink checksum not equal"
+ " for link%s" % number)
+ g.log.info("Symlink and original file checksum same on all symlinks")