From 6bf0e95a42dcbbd90ada9d5e32ce91a1cad5352e Mon Sep 17 00:00:00 2001 From: Sunny Kumar Date: Thu, 1 Feb 2018 19:39:43 +0530 Subject: test : create >256 snaps for a volume The purpose of this test is to validate create snap>256 Change-Id: Iea5e2ddcc3a5ef066cf4f55e1895947326a07904 Signed-off-by: Sunny Kumar --- .../snapshot/test_validate_snapshot_256.py | 174 +++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 tests/functional/snapshot/test_validate_snapshot_256.py (limited to 'tests/functional') diff --git a/tests/functional/snapshot/test_validate_snapshot_256.py b/tests/functional/snapshot/test_validate_snapshot_256.py new file mode 100644 index 000000000..a52f2baf6 --- /dev/null +++ b/tests/functional/snapshot/test_validate_snapshot_256.py @@ -0,0 +1,174 @@ +# Copyright (C) 2016-2017 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 create snap>256 + +""" + +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.snap_ops import get_snap_list, snap_delete_all + + +@runs_on([['distributed'], ['replicated', 'distributed-replicated', + 'dispersed', 'distributed-dispersed'], + ['glusterfs', 'nfs', 'cifs']]) +class SanpCreate256(GlusterBaseClass): + """ + Test for snapshot create for max 256 + Steps : + 1. Create and start a volume + 2. Mount the volume on a client + 3. Perform some heavy IO + 4. Varify IO + 5. modify max snap limit to default to 256. + 6. Create 256 snapshots + 7. Varify 256 created sucessfully + 8. Create 257th snapshot - check for failure + -- it should fail. + 9. 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) + + @classmethod + def tearDownClass(cls): + """ + Clean up the volume & mount + """ + g.log.info("Starting volume and mount cleanup") + ret = cls.unmount_volume_and_cleanup_volume(cls.mounts) + if not ret: + raise ExecutionError("Failed to cleanup volume and mount") + g.log.info("Cleanup successfull for the volume and mount") + + GlusterBaseClass.tearDownClass.im_func(cls) + + def test_validate_snaps_256(self): + + # 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") + + # set config for 256 snpas (to make sure to override) + cmd_str = ("gluster snapshot config snap-max-hard-limit 256" + " --mode=script") + ret = g.run(self.mnode, cmd_str) + self.assertTrue(ret, "Failed to set snap-max-hard-limit to 256.") + g.log.info("snap-max-hard limit successfully set for 256.") + + # Create 256 snaps + for i in range(1, 257, 1): + cmd_str = "gluster snapshot create %s %s %s" % ( + "snapy%s" % i, self.volname, "no-timestamp") + ret = g.run(self.mnode, cmd_str) + self.assertTrue(ret, ("Failed to create snapshot for %s" + % self.volname)) + g.log.info("Snapshot %s created successfully for volume %s" + % ("snapy%s" % i, self.volname)) + + # Check for no. of snaps using snap_list it should be 256 + snap_list = get_snap_list(self.mnode) + self.assertTrue((len(snap_list) == 256), "No of snaps not consistent " + "for volume %s" % self.volname) + g.log.info("Successfully validated number of snaps.") + + # Validate all 256 snap names created during + for i in range(1, 257, 1): + self.assertTrue(("snapy%s" % i in snap_list), "%s snap not " + "found " % ("snapy%s" % i)) + g.log.info("Sucessfully validated names of snap") + + # Try to create 257th snapshot + cmd_str = "gluster snapshot create %s %s %s" % ("snap", self.volname, + "no-timestamp") + ret = g.run(self.mnode, cmd_str) + self.assertEqual(ret, 1, ("Unexpected: Successfully created 'snap'" + " for volume %s" % self.volname)) + g.log.info("Snapshot 'snap' not created as it is 257th snap") + + # Check for no. of snaps using snap_list it should be 256 + snap_list = get_snap_list(self.mnode) + self.assertEqual(256, len(snap_list), "No of snaps not consistent " + "for volume %s" % self.volname) + g.log.info("Successfully validated number of snaps.") -- cgit