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authorVitalii Koriakov <vkoriako@redhat.com>2018-06-05 13:07:23 +0300
committerNigel Babu <nigelb@redhat.com>2018-06-11 06:42:07 +0000
commit54c34d58254d2b7eca0fff0e2794157cc90392b5 (patch)
tree30084364dfa598bbcfdcb51edff56898c9d4e255 /tests/functional/afr
parent91a54bc94c3e7a255bdb9c810b2998b8532b2836 (diff)
Heal command should say that triggering heal is unsuccessful as some bricks may be down
Change-Id: I0515680e2cbe582917f0034461b305a33b75ca94 Signed-off-by: Vitalii Koriakov <vkoriako@redhat.com>
Diffstat (limited to 'tests/functional/afr')
-rwxr-xr-xtests/functional/afr/test_heal_command_unsuccessful_as_bricks_down.py220
1 files changed, 220 insertions, 0 deletions
diff --git a/tests/functional/afr/test_heal_command_unsuccessful_as_bricks_down.py b/tests/functional/afr/test_heal_command_unsuccessful_as_bricks_down.py
new file mode 100755
index 0000000..ec76fd2
--- /dev/null
+++ b/tests/functional/afr/test_heal_command_unsuccessful_as_bricks_down.py
@@ -0,0 +1,220 @@
+# Copyright (C) 2015-2018 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.
+
+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 (bring_bricks_offline,
+ bring_bricks_online,
+ are_bricks_offline,
+ get_all_bricks)
+from glustolibs.gluster.heal_libs import (monitor_heal_completion,
+ is_heal_complete,
+ is_volume_in_split_brain)
+from glustolibs.gluster.heal_ops import trigger_heal
+from glustolibs.misc.misc_libs import upload_scripts
+from glustolibs.io.utils import (validate_io_procs,
+ wait_for_io_to_complete)
+
+
+@runs_on([['replicated'],
+ ['glusterfs', 'cifs', 'nfs']])
+class TestSelfHeal(GlusterBaseClass):
+ @classmethod
+ def setUpClass(cls):
+ # Calling GlusterBaseClass setUpClass
+ GlusterBaseClass.setUpClass.im_func(cls)
+
+ # Upload io scripts for running IO on mounts
+ g.log.info("Upload io scripts to clients %s for running IO on mounts",
+ cls.clients)
+ script_local_path = ("/usr/share/glustolibs/io/scripts/"
+ "file_dir_ops.py")
+ cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
+ "file_dir_ops.py")
+ ret = upload_scripts(cls.clients, [script_local_path])
+ if not ret:
+ raise ExecutionError("Failed to upload IO scripts to clients %s"
+ % cls.clients)
+ g.log.info("Successfully uploaded IO scripts to clients %s",
+ cls.clients)
+
+ if cls.volume_type == "replicated":
+ # Define x3 replicated volume
+ cls.volume['voltype'] = {
+ 'type': 'replicated',
+ 'replica_count': 3,
+ 'transport': 'tcp'}
+
+ def setUp(self):
+ # Calling GlusterBaseClass setUp
+ GlusterBaseClass.setUp.im_func(self)
+
+ self.all_mounts_procs = []
+ self.io_validation_complete = False
+
+ # 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 tearDown(self):
+ # If test method failed before validating IO, tearDown waits for the
+ # IO's to complete and checks for the IO exit status
+ if not self.io_validation_complete:
+ g.log.info("Wait for IO to complete as IO validation did not "
+ "succeed in test method")
+ ret = wait_for_io_to_complete(self.all_mounts_procs, self.mounts)
+ if not ret:
+ raise ExecutionError("IO failed on some of the clients")
+ g.log.info("IO is successful on all mounts")
+
+ # Cleanup and umount 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 umount the vol & cleanup Volume")
+ g.log.info("Successful in umounting the volume and Cleanup")
+
+ # Calling GlusterBaseClass teardown
+ GlusterBaseClass.tearDown.im_func(self)
+
+ def test_heal_command_unsuccessful_as_bricks_down(self):
+ """
+ - write 2 Gb file on mount
+ - while write is in progress, kill brick b0
+ - start heal on the volume (should fail and have error message)
+ - bring up the brick which was down (b0)
+ - bring down another brick (b1)
+ - start heal on the volume (should fail and have error message)
+ - bring bricks up
+ - wait for heal to complete
+ """
+ # pylint: disable=too-many-statements
+ bricks_list = get_all_bricks(self.mnode, self.volname)
+ self.assertIsNotNone(bricks_list, 'Brick list is None')
+
+ # Creating files on client side
+ for mount_obj in self.mounts:
+ g.log.info("Generating data for %s:%s",
+ mount_obj.client_system, mount_obj.mountpoint)
+ # Create 2 Gb file
+ g.log.info('Creating files...')
+ command = ("cd %s ; dd if=/dev/zero of=file1 bs=10M count=200"
+ % mount_obj.mountpoint)
+
+ proc = g.run_async(mount_obj.client_system, command,
+ user=mount_obj.user)
+ self.all_mounts_procs.append(proc)
+ self.io_validation_complete = False
+
+ # Bring brick0 offline
+ g.log.info('Bringing bricks %s offline...', bricks_list[0])
+ ret = bring_bricks_offline(self.volname, [bricks_list[0]])
+ self.assertTrue(ret, 'Failed to bring bricks %s offline' %
+ bricks_list[0])
+
+ ret = are_bricks_offline(self.mnode, self.volname,
+ [bricks_list[0]])
+ self.assertTrue(ret, 'Bricks %s are not offline'
+ % bricks_list[0])
+ g.log.info('Bringing bricks %s offline is successful',
+ bricks_list[0])
+
+ # Start healing
+ # Need to use 'gluster volume heal' command to check error message
+ # after g.run
+ cmd = "gluster volume heal %s" % self.volname
+ ret, _, err = g.run(self.mnode, cmd)
+ self.assertTrue(ret, 'Heal is started')
+ # Check for error message
+ self.assertIn("Launching heal operation to perform index self heal on "
+ "volume %s has been unsuccessful" % self.volname,
+ err,
+ "Error message is not present or not valid")
+ g.log.info('Expected: Healing is not started')
+
+ # Bring brick0 online
+ g.log.info("Bring bricks: %s online", bricks_list[0])
+ ret = bring_bricks_online(self.mnode, self.volname,
+ [bricks_list[0]])
+ self.assertTrue(ret, "Failed to bring bricks: %s online"
+ % bricks_list[0])
+ g.log.info("Successfully brought all bricks:%s online",
+ bricks_list[0])
+
+ # Bring brick1 offline
+ g.log.info('Bringing bricks %s offline...', bricks_list[1])
+ ret = bring_bricks_offline(self.volname, [bricks_list[1]])
+ self.assertTrue(ret, 'Failed to bring bricks %s offline' %
+ bricks_list[1])
+
+ ret = are_bricks_offline(self.mnode, self.volname,
+ [bricks_list[1]])
+ self.assertTrue(ret, 'Bricks %s are not offline'
+ % bricks_list[1])
+ g.log.info('Bringing bricks %s offline is successful',
+ bricks_list[1])
+
+ # Start healing
+ # Need to use 'gluster volume heal' command to check error message
+ # after g.run
+ cmd = "gluster volume heal %s" % self.volname
+ ret, _, err = g.run(self.mnode, cmd)
+ self.assertTrue(ret, 'Heal is started')
+ # Check for error message
+ self.assertIn("Launching heal operation to perform index self heal on "
+ "volume %s has been unsuccessful" % self.volname,
+ err,
+ "Error message is not present or not valid")
+ g.log.info('Expected: Healing is not started')
+
+ # Bring brick 1 online
+ g.log.info("Bring bricks: %s online", bricks_list[1])
+ ret = bring_bricks_online(self.mnode, self.volname,
+ [bricks_list[1]])
+ self.assertTrue(ret, "Failed to bring bricks: %s online"
+ % bricks_list[1])
+ g.log.info("Successfully brought all bricks:%s online",
+ bricks_list[1])
+
+ # Start healing
+ ret = trigger_heal(self.mnode, self.volname)
+ self.assertTrue(ret, 'Heal is not started')
+ g.log.info('Healing is started')
+
+ # Monitor heal completion
+ ret = monitor_heal_completion(self.mnode, self.volname)
+ self.assertTrue(ret, 'Heal has not yet completed')
+
+ # Check if heal is completed
+ ret = is_heal_complete(self.mnode, self.volname)
+ self.assertTrue(ret, 'Heal is not complete')
+ g.log.info('Heal is completed successfully')
+
+ # Check for split-brain
+ ret = is_volume_in_split_brain(self.mnode, self.volname)
+ self.assertFalse(ret, 'Volume is in split-brain state')
+ g.log.info('Volume is not in split-brain state')
+
+ # Validate IO
+ g.log.info("Wait for IO to complete and validate IO ...")
+ ret = validate_io_procs(self.all_mounts_procs, self.mounts)
+ self.assertTrue(ret, "IO failed on some of the clients")
+ self.io_validation_complete = True
+ g.log.info("IO is successful on all mounts")