# Copyright (C) 2015-2020 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.misc.misc_libs import upload_scripts from glustolibs.io.utils import wait_for_io_to_complete @runs_on([['replicated', 'distributed-replicated'], ['glusterfs']]) class VerifyAvaliableSpaceBeforeAfterDelete(GlusterBaseClass): @classmethod def setUpClass(cls): # Calling GlusterBaseClass setUpClass cls.get_super_method(cls, 'setUpClass')() # Upload io scripts for running IO on mounts g.log.info("Upload io scripts to clients %s for running IO on mounts", cls.clients) cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/" "file_dir_ops.py") ret = upload_scripts(cls.clients, cls.script_upload_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): # Calling GlusterBaseClass setUp self.get_super_method(self, 'setUp')() 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 Cleanup and umount volume """ 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 self.get_super_method(self, 'tearDown')() def test_creating_deleting_files_reflect_available_space(self): """ - note the current available space on the mount - create 1M file on the mount - note the current available space on the mountpoint and compare with space before creation - remove the file - note the current available space on the mountpoint and compare with space before creation """ # Create 1M file on client side g.log.info('Creating file on %s', self.mounts[0].mountpoint) cmd = ("/usr/bin/env python %s create_files -f 1" " --fixed-file-size 1M %s" % (self.script_upload_path, self.mounts[0].mountpoint)) ret, _, err = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, err) # Get the current available space on the mount g.log.info('Getting the current available space on the mount...') cmd = ("df --output=avail %s | grep '[0-9]'" % self.mounts[0].mountpoint) ret, out, err = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, err) space_before_file_creation = int(out) # Create 1M file on client side g.log.info('Creating file on %s', self.mounts[0].mountpoint) cmd = ("/usr/bin/env python %s create_files -f 1 " "--fixed-file-size 1M --base-file-name newfile %s/newdir" % (self.script_upload_path, self.mounts[0].mountpoint)) ret, _, err = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, err) # Get the current available space on the mount g.log.info('Getting the current available space on the mount...') cmd = ("df --output=avail %s | grep '[0-9]'" % self.mounts[0].mountpoint) ret, out, err = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, err) space_after_file_creation = int(out) # Compare available size before creation and after creation file g.log.info('Comparing available size before creation ' 'and after creation file...') space_diff = space_before_file_creation - space_after_file_creation space_diff = round(space_diff / 1024) g.log.info('Space difference is %d', space_diff) self.assertEqual(space_diff, 1.0, 'Available size before creation and ' 'after creation file is not valid') g.log.info('Available size before creation and ' 'after creation file is valid') # Delete file on client side g.log.info('Deleting file on %s', self.mounts[0].mountpoint) cmd = ("/usr/bin/env python %s delete %s/newdir" % (self.script_upload_path, self.mounts[0].mountpoint)) ret, _, err = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, err) # Get the current available space on the mount cmd = ("df --output=avail %s | grep '[0-9]'" % self.mounts[0].mountpoint) ret, out, err = g.run(self.mounts[0].client_system, cmd) self.assertFalse(ret, err) space_after_file_deletion = int(out) # Compare available size before creation and after deletion file g.log.info('Comparing available size before creation ' 'and after deletion file...') space_diff = space_before_file_creation - space_after_file_deletion space_diff_comp = space_diff < 200 self.assertTrue(space_diff_comp, 'Available size before creation is not proportional ' 'to the size after deletion file') g.log.info('Available size before creation is proportional ' 'to the size after deletion file')