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authorAshish Pandey <aspandey@redhat.com>2018-06-20 16:08:59 +0530
committerVijay Avuthu <vavuthu@redhat.com>2018-06-26 16:01:18 +0000
commit0214a4b1ab6f195c348ad7170a9f62bf8acfb09d (patch)
tree5f33f7d238605a894f6cb5c3fbe84daa408fcde4
parent620d8cefe8a748f34bd36c78f1db0c80350d137c (diff)
functional/disperse: Verify IO hang during server side heal.
When the IOs are done with client side heal disabled, it should not hang. RHG3-11098 Change-Id: I2f180dd1ba2f45ae0f302a730a02b90ae77b99ad Signed-off-by: Ashish Pandey <aspandey@redhat.com>
-rw-r--r--tests/functional/disperse/test_ec_io_hang_serverside_heal.py139
1 files changed, 139 insertions, 0 deletions
diff --git a/tests/functional/disperse/test_ec_io_hang_serverside_heal.py b/tests/functional/disperse/test_ec_io_hang_serverside_heal.py
new file mode 100644
index 0000000..dc7781a
--- /dev/null
+++ b/tests/functional/disperse/test_ec_io_hang_serverside_heal.py
@@ -0,0 +1,139 @@
+# Copyright (C) 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.
+
+"""
+ec_io_hang_during_clientside_heal:
+ Disable server side heal.
+ Perform IO on mount point and kill some bricks and bring them up.
+ Check that the heal should complete via client side heal and it
+ should not hang any IO.
+"""
+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.brick_libs import (
+ bring_bricks_offline,
+ bring_bricks_online,
+ are_bricks_online,
+ get_all_bricks)
+from glustolibs.gluster.volume_libs import (
+ log_volume_info_and_status,
+ set_volume_options)
+from glustolibs.gluster.heal_libs import (
+ monitor_heal_completion)
+from glustolibs.gluster.heal_ops import get_heal_info
+
+
+def ec_check_heal_comp(self):
+ g.log.info("Get the pending heal info for the volume %s",
+ self.volname)
+ heal_info = get_heal_info(self.mnode, self.volname)
+ g.log.info("Successfully got heal info for the volume %s",
+ self.volname)
+ g.log.info("Heal Entries %s : %s", self.volname, heal_info)
+
+ # Monitor heal completion
+ ret = monitor_heal_completion(self.mnode, self.volname)
+ self.assertTrue(ret, 'Heal has not yet completed')
+
+
+@runs_on([['dispersed', 'distributed-dispersed'], ['glusterfs']])
+class EcClientHealHangTest(GlusterBaseClass):
+ # Method to setup the environment for test case
+ def setUp(self):
+ # Setup Volume and Mount Volume
+ g.log.info("Starting to Setup Volume and Mount Volume")
+ ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
+ if not ret:
+ raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
+ g.log.info("Successful in Setup Volume and Mount Volume")
+
+ def test_heal_io_hang(self):
+ mountpoint = self.mounts[0].mountpoint
+
+ # disable client side heal
+ options = {"disperse.background-heals": 0}
+ ret = set_volume_options(self.mnode, self.volname, options)
+ self.assertTrue(ret, 'Failed to disable client side heal')
+ g.log.info("Successfully disabled client side heal")
+
+ # Log Volume Info and Status after disabling client side heal
+ g.log.info("Logging volume info and status")
+ ret = log_volume_info_and_status(self.mnode, self.volname)
+ self.assertTrue(ret, ("Logging volume info and status failed "
+ "on volume %s", self.volname))
+
+ bricks_list = get_all_bricks(self.mnode, self.volname)
+ self.assertIsNotNone(bricks_list, "Failed to get the bricks list")
+
+ # Create files
+ cmd = ("cd %s; mkdir test; cd test; for i in `seq 1 100` ;"
+ "do touch file$i; done" % mountpoint)
+
+ ret, _, err = g.run(self.mounts[0].client_system, cmd)
+ self.assertEqual(ret, 0, err)
+ g.log.info('Finished creating files while all the bricks are UP')
+
+ # Bring bricks offline
+ ret = bring_bricks_offline(self.volname, bricks_list[0:1])
+ self.assertTrue(ret, "Failed to bring down the bricks")
+ g.log.info("Successfully brought the bricks down")
+
+ # Start pumping IO from client
+ cmd = ("cd %s; mkdir test; cd test; for i in `seq 1 100` ;"
+ "do dd if=/dev/urandom of=file$i bs=1M "
+ "count=5;done" % mountpoint)
+
+ ret, _, err = g.run(self.mounts[0].client_system, cmd)
+ self.assertEqual(ret, 0, err)
+ g.log.info('Finished writing on files while a brick is DOWN')
+
+ # Bring bricks online
+ ret = bring_bricks_online(self.mnode, self.volname, bricks_list[0:1])
+ self.assertTrue(ret, "Failed to bring up the bricks")
+ g.log.info("Successfully brought the bricks up")
+
+ # Verifying all bricks online
+ ret = are_bricks_online(self.mnode, self.volname, bricks_list)
+ self.assertTrue(ret, "All bricks are not online")
+
+ appendcmd = ("cd %s; mkdir test; cd test; for i in `seq 1 100` ;"
+ "do dd if=/dev/urandom of=file$i bs=1M "
+ "count=1 oflag=append conv=notrunc;done" % mountpoint)
+
+ ret, _, err = g.run(self.mounts[0].client_system, appendcmd)
+ self.assertEqual(ret, 0, err)
+ g.log.info('Finished append on files after bringing bricks online')
+
+ # check the heal info and completion
+ ec_check_heal_comp(self)
+
+ # Log Volume Info and Status after bringing the brick up
+ g.log.info("Logging volume info and status")
+ ret = log_volume_info_and_status(self.mnode, self.volname)
+ self.assertTrue(ret, ("Logging volume info and status failed "
+ "on volume %s", self.volname))
+ g.log.info("Successful in logging volume info and status "
+ "of volume %s", self.volname)
+
+ # Method to cleanup test setup
+ def tearDown(self):
+ # Stopping the volume
+ g.log.info("Starting to Unmount Volume and Cleanup Volume")
+ ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
+ if not ret:
+ raise ExecutionError("Failed to unmount and cleanup Volume")
+ g.log.info("Successful in Unmount Volume and Cleanup Volume")