From 54c34d58254d2b7eca0fff0e2794157cc90392b5 Mon Sep 17 00:00:00 2001 From: Vitalii Koriakov Date: Tue, 5 Jun 2018 13:07:23 +0300 Subject: Heal command should say that triggering heal is unsuccessful as some bricks may be down Change-Id: I0515680e2cbe582917f0034461b305a33b75ca94 Signed-off-by: Vitalii Koriakov --- ...est_heal_command_unsuccessful_as_bricks_down.py | 220 +++++++++++++++++++++ 1 file changed, 220 insertions(+) create mode 100755 tests/functional/afr/test_heal_command_unsuccessful_as_bricks_down.py (limited to 'tests') 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 000000000..ec76fd2f7 --- /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. +# +# 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") -- cgit