From df0f59edc30e68a72d0934d6d8a69d50602d7f39 Mon Sep 17 00:00:00 2001 From: Sunny Kumar Date: Fri, 2 Feb 2018 13:49:58 +0530 Subject: test : snapshot creation during rebalance The purpose of this test is to validate snapshot create during rebalance. Change-Id: I8c58e0dd6571e648c1410342db988b95b82aaa1b Signed-off-by: Sunny Kumar Signed-off-by: srivickynesh --- .../snapshot/test_validate_snapshot_rebalance.py | 251 +++++++++++++++++++++ 1 file changed, 251 insertions(+) create mode 100644 tests/functional/snapshot/test_validate_snapshot_rebalance.py diff --git a/tests/functional/snapshot/test_validate_snapshot_rebalance.py b/tests/functional/snapshot/test_validate_snapshot_rebalance.py new file mode 100644 index 000000000..7eb674475 --- /dev/null +++ b/tests/functional/snapshot/test_validate_snapshot_rebalance.py @@ -0,0 +1,251 @@ +# Copyright (C) 2017-2018 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. + +""" +Description : The purpose of this test is to validate snapshot create + during rebalance + +""" + +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.misc.misc_libs import upload_scripts +from glustolibs.io.utils import validate_io_procs, get_mounts_stat +from glustolibs.gluster.volume_libs import ( + expand_volume, log_volume_info_and_status, + wait_for_volume_process_to_be_online) +from glustolibs.gluster.brick_libs import get_all_bricks +from glustolibs.gluster.rebalance_ops import (rebalance_start, + wait_for_rebalance_to_complete, + rebalance_status) +from glustolibs.gluster.snap_ops import get_snap_list, snap_delete_all + + +@runs_on([['distributed', 'replicated', 'distributed-replicated', + 'dispersed', 'distributed-dispersed'], + ['glusterfs', 'nfs', 'cifs']]) +class SnapCreateRebal(GlusterBaseClass): + """ + Test for snapshot create during rebalance + Steps: + 1. Create and start a volume + 2. Mount the volume on client + 3. Perform some heavy IO + 4. Create one snapshot with option no-timestamp + 5. Add bricks to the volume using gluster volume + 6. Start Rebalance using gluster v rebalance start + 7. While rebalance is in progress, create gluster snapshot + -snapshot creation should fail with message : rebalance is runinng + on the volume. Please try after sometime + 8. Check for snap name and number to validate snaps created or not + during rebalance + 9. After rebalance is completed, create snapshots with the same name as + in Step 7 + -- this operation should be sucessfull + 10. Cleanup + + """ + @classmethod + def setUpClass(cls): + 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) + + def setUp(self): + """ + setUp method + """ + # Setup_Volume + GlusterBaseClass.setUpClass.im_func(self) + ret = self.setup_volume_and_mount_volume(mounts=self.mounts, + volume_create_force=True) + if not ret: + raise ExecutionError("Failed to setup and mount volume") + g.log.info("Volume %s has been setup successfully", self.volname) + + def tearDown(self): + """ + tearDown + """ + ret, _, _ = snap_delete_all(self.mnode) + if not ret: + raise ExecutionError("Failed to delete all snaps") + GlusterBaseClass.tearDown.im_func(self) + + # Clean up the volume & mount + g.log.info("Starting volume and mount cleanup") + ret = self.unmount_volume_and_cleanup_volume(self.mounts) + if not ret: + raise ExecutionError("Failed to cleanup volume and mount") + g.log.info("Cleanup successfull for the volume and mount") + + def test_snapshot_while_rebalance(self): + # pylint: disable=too-many-statements, missing-docstring + # Start IO on all mounts. + all_mounts_procs = [] + count = 1 + for mount_obj in self.mounts: + g.log.info("Starting IO on %s:%s", mount_obj.client_system, + mount_obj.mountpoint) + cmd = ("python %s create_deep_dirs_with_files " + "--dirname-start-num %d " + "--dir-depth 2 " + "--dir-length 10 " + "--max-num-of-dirs 5 " + "--num-of-files 5 %s" % (self.script_upload_path, count, + mount_obj.mountpoint)) + proc = g.run_async(mount_obj.client_system, cmd, + user=mount_obj.user) + all_mounts_procs.append(proc) + count = count + 10 + + # Validate IO + g.log.info("Validating IO's") + ret = validate_io_procs(all_mounts_procs, self.mounts) + self.assertTrue(ret, "IO failed on some of the clients") + g.log.info("Successfully validated all io's") + + # Get stat of all the files/dirs created. + g.log.info("Get stat of all the files/dirs created.") + ret = get_mounts_stat(self.mounts) + self.assertTrue(ret, "Stat failed on some of the clients") + g.log.info("Successfully got stat of all files/dirs created") + + # Create one snapshot of volume using no-timestamp option + cmd_str = ("gluster snapshot create %s %s %s" + % ("snapy", self.volname, "no-timestamp")) + ret, _, _ = g.run(self.mnode, cmd_str) + self.assertEqual(ret, 0, ("Failed to create snapshot for %s" + % self.volname)) + g.log.info("Snapshot snapy created successfully " + "for volume %s", self.volname) + + # Check for no of snaps using snap_list it should be 1 + snap_list = get_snap_list(self.mnode) + self.assertEqual(1, len(snap_list), "Expected 1 snapshot " + "found %s snapshots" % len(snap_list)) + g.log.info("Successfully validated number of snaps.") + + # validate snap name + self.assertIn("snapy", snap_list, " snap not found") + g.log.info("Successfully validated names of snap") + + # get the bricks for the volume + g.log.info("Fetching bricks for the volume : %s", self.volname) + bricks_list = get_all_bricks(self.mnode, self.volname) + g.log.info("Brick List : %s", bricks_list) + + # expanding volume + g.log.info("Start adding bricks to volume %s", self.volname) + ret = expand_volume(self.mnode, self.volname, self.servers, + self.all_servers_info) + self.assertTrue(ret, ("Failed to add bricks to " + "volume %s " % self.volname)) + g.log.info("Add brick successful") + + # Log Volume Info and Status after expanding the volume + g.log.info("Logging volume info and Status after expanding volume") + 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) + + # Verify volume's all process are online for 60 sec + g.log.info("Verifying volume's all process are online") + ret = wait_for_volume_process_to_be_online(self.mnode, self.volname, + 60) + self.assertTrue(ret, ("Volume %s : All process are not " + "online", self.volname)) + g.log.info("Successfully Verified volume %s " + "processes are online", self.volname) + + # Start Rebalance + g.log.info("Starting Rebalance on the volume") + ret, _, err = rebalance_start(self.mnode, self.volname) + self.assertEqual(ret, 0, ("Failed to start rebalance on " + "the volume %s with error %s" % + (self.volname, err))) + g.log.info("Successfully started rebalance on the " + "volume %s", self.volname) + + # Log Rebalance status + g.log.info("Log Rebalance status") + ret, _, _ = rebalance_status(self.mnode, self.volname) + self.assertEqual(ret, 0, "Failed to log rebalance status") + g.log.info("successfully logged rebalance status") + + # Create one snapshot of volume during rebalance + cmd_str = ("gluster snapshot create %s %s %s" + % ("snapy_rebal", self.volname, "no-timestamp")) + ret, _, _ = g.run(self.mnode, cmd_str) + self.assertNotEqual(ret, 0, ("successfully created 'snapy_rebal'" + " for %s" % self.volname)) + g.log.info("Snapshot 'snapy_rebal' not created as rebalance is in " + "progress check log") + # Check for no of snaps using snap_list it should be 1 + snap_list = get_snap_list(self.mnode) + self.assertEqual(1, len(snap_list), "Expected 1 snapshot " + "found %s snapshot" % len(snap_list)) + g.log.info("Successfully validated number of snaps.") + + # Wait for rebalance to complete + g.log.info("Waiting for rebalance to complete") + ret = wait_for_rebalance_to_complete(self.mnode, self.volname) + self.assertTrue(ret, ("Rebalance is not yet complete " + "on the volume %s", self.volname)) + g.log.info("Rebalance is successfully complete on " + "the volume %s", self.volname) + + # Check Rebalance status after rebalance is complete + g.log.info("Checking Rebalance status") + ret, _, _ = rebalance_status(self.mnode, self.volname) + self.assertEqual(ret, 0, ("Failed to get rebalance status for " + "the volume %s", self.volname)) + g.log.info("Successfully got rebalance status of the " + "volume %s", self.volname) + + # Create one snapshot of volume post rebalance with same name + cmd_str = ("gluster snapshot create %s %s %s" + % ("snapy_rebal", self.volname, "no-timestamp")) + ret, _, _ = g.run(self.mnode, cmd_str) + self.assertEqual(ret, 0, ("Failed to create snapshot for %s" + % self.volname)) + g.log.info("Snapshot snapy_rebal created successfully " + "for volume %s", self.volname) + + # Check for no of snaps using snap_list it should be 2 + snap_list = get_snap_list(self.mnode) + self.assertEqual(2, len(snap_list), "Expected 2 snapshots " + "found %s snapshot" % len(snap_list)) + g.log.info("Successfully validated number of snaps.") + + # validate snap name + self.assertIn("snapy_rebal", snap_list, " snap not found") + g.log.info("Successfully validated names of snap") -- cgit