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-rw-r--r--tests/functional/dht/test_add_brick_rebalance_with_self_heal_in_progress.py136
1 files changed, 136 insertions, 0 deletions
diff --git a/tests/functional/dht/test_add_brick_rebalance_with_self_heal_in_progress.py b/tests/functional/dht/test_add_brick_rebalance_with_self_heal_in_progress.py
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+++ b/tests/functional/dht/test_add_brick_rebalance_with_self_heal_in_progress.py
@@ -0,0 +1,136 @@
+# 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 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.brick_libs import get_all_bricks, bring_bricks_online
+from glustolibs.gluster.heal_libs import monitor_heal_completion
+from glustolibs.gluster.rebalance_ops import (
+ rebalance_start, wait_for_rebalance_to_complete)
+from glustolibs.gluster.volume_libs import expand_volume
+from glustolibs.io.utils import (collect_mounts_arequal, validate_io_procs,
+ wait_for_io_to_complete)
+from glustolibs.misc.misc_libs import kill_process
+
+
+@runs_on([['distributed-replicated', 'distributed-arbiter'], ['glusterfs']])
+class TestAddBrickRebalanceWithSelfHeal(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):
+
+ # 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_self_heal_in_progress(self):
+ """
+ Test case:
+ 1. Create a volume, start it and mount it.
+ 2. Start creating a few files on mount point.
+ 3. While file creation is going on, kill one of the bricks
+ in the replica pair.
+ 4. After file creattion is complete collect arequal checksum
+ on mount point.
+ 5. Bring back the brick online by starting volume with force.
+ 6. Check if all bricks are online and if heal is in progress.
+ 7. Add bricks to the volume and start rebalance.
+ 8. Wait for rebalance and heal to complete on volume.
+ 9. Collect arequal checksum on mount point and compare
+ it with the one taken in step 4.
+ """
+ # Start I/O from mount point and wait for it to complete
+ cmd = ("cd %s; for i in {1..1000} ; do "
+ "dd if=/dev/urandom of=file$i bs=10M count=1; done"
+ % self.mounts[0].mountpoint)
+ self.list_of_io_processes = [
+ g.run_async(self.mounts[0].client_system, cmd)]
+ self.is_copy_running = True
+
+ # Get a list of all the bricks to kill brick
+ brick_list = get_all_bricks(self.mnode, self.volname)
+ self.assertIsNotNone(brick_list, "Empty present brick list")
+
+ # Kill brick process of a brick which is being removed
+ brick = choice(brick_list)
+ node, _ = brick.split(":")
+ ret = kill_process(node, process_names="glusterfsd")
+ self.assertTrue(ret, "Failed to kill brick process of brick %s"
+ % brick)
+
+ # 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
+
+ # Collect arequal checksum before ops
+ arequal_checksum_before = collect_mounts_arequal(self.mounts[0])
+
+ # Bring back the brick online by starting volume with force
+ ret = bring_bricks_online(self.mnode, self.volname, brick_list,
+ bring_bricks_online_methods=[
+ 'volume_start_force'])
+ self.assertTrue(ret, "Error in bringing back brick online")
+ g.log.info('All bricks are online now')
+
+ # 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")
+
+ # Wait for heal to complete
+ ret = monitor_heal_completion(self.mnode, self.volname)
+ self.assertTrue(ret, "heal has not yet completed")
+ g.log.info("Self heal completed")
+
+ # Check for data loss by comparing arequal before and after ops
+ arequal_checksum_after = collect_mounts_arequal(self.mounts[0])
+ self.assertEqual(arequal_checksum_before, arequal_checksum_after,
+ "arequal checksum is NOT MATCHNG")
+ g.log.info("arequal checksum is SAME")