Test write I/O on mount point is resumed when client side quorum is restored ( x3)

Change-Id: Ic0aaccdbf6938702ec1dbb44e888e45eb9f21e28
Signed-off-by: Vitalii Koriakov <vkoriako@redhat.com>

1 files changed, 561 insertions, 0 deletions

diff --git a/tests/functional/afr/test_write_io_mount_point_resumed_quorum_restored.py b/tests/functional/afr/test_write_io_mount_point_resumed_quorum_restored.py
new file mode 100755
index 000000000..4e6020872
--- /dev/null
+++ b/tests/functional/afr/test_write_io_mount_point_resumed_quorum_restored.py
@@ -0,0 +1,561 @@
+#  Copyright (C) 2016-2017  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.
+
+
+import time
+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.gluster.volume_libs import (
+    set_volume_options, get_subvols,
+    wait_for_volume_process_to_be_online,
+    verify_all_process_of_volume_are_online)
+from glustolibs.misc.misc_libs import (upload_scripts,
+                                       are_nodes_online,
+                                       reboot_nodes)
+from glustolibs.io.utils import (validate_io_procs,
+                                 is_io_procs_fail_with_rofs,
+                                 list_all_files_and_dirs_mounts,
+                                 wait_for_io_to_complete)
+
+
+@runs_on([['distributed-replicated'],
+          ['glusterfs']])
+class ClientSideQuorumRestored(GlusterBaseClass):
+    """ Description:
+            Test Cases in this module tests the client side quorum.
+    """
+    @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)
+
+    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
+
+        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")
+
+            # List all files and dirs created
+            g.log.info("List all files and directories:")
+            ret = list_all_files_and_dirs_mounts(self.mounts)
+            if not ret:
+                raise ExecutionError("Failed to list all files and dirs")
+            g.log.info("Listing all files and directories is successful")
+
+        # 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_write_io_mount_point_resumed_quorum_restored_x3(self):
+        """
+        - set cluster.quorum-type to auto
+        - start I/O from the mount point
+        - Do IO and check on subvols with two nodes to reboot
+        (do for each subvol)
+        - get files to delete/create for nodes to be offline
+        - delete files from mountpoint
+        - reboot nodes
+        - creating files on nodes while rebooting
+        - validate for rofs
+        - wait for volume processes to be online
+        - creating files on nodes after rebooting
+        - validate IO
+        - Do IO and check on subvols without nodes to reboot
+        (do for each subvol)
+        - get files to delete/create for nodes to be online
+        - delete files from mountpoint
+        - reboot nodes
+        - creating files on online nodes while rebooting other nodes
+        - validate IO
+        - Do IO and check and reboot two nodes on all subvols
+        - get files to delete/create for nodes to be offline
+        - delete files from mountpoint
+        - reboot nodes
+        - creating files on nodes while rebooting
+        - validate for rofs
+        - wait for volume processes to be online
+        - creating files on nodes after rebooting
+        - validate IO
+        """
+        # pylint: disable=too-many-locals,too-many-statements,too-many-branches
+        # set cluster.quorum-type to auto
+        options = {"cluster.quorum-type": "auto"}
+        g.log.info("setting cluster.quorum-type to auto on volume %s",
+                   self.volname)
+        ret = set_volume_options(self.mnode, self.volname, options)
+        self.assertTrue(ret, ("Unable to set volume option %s for"
+                              "volume %s" % (options, self.volname)))
+        g.log.info("Sucessfully set %s for volume %s",
+                   options, self.volname)
+
+        # 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)
+
+            # Creating files
+            cmd = ("python %s create_files -f 30 %s"
+                   % (self.script_upload_path, mount_obj.mountpoint))
+
+            proc = g.run_async(mount_obj.client_system, cmd,
+                               user=mount_obj.user)
+            self.all_mounts_procs.append(proc)
+
+        # Validate IO
+        self.io_validation_complete = False
+        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")
+
+        # Do IO and check on subvols with nodes to reboot
+        subvols_dict = get_subvols(self.mnode, self.volname)
+        for subvol in subvols_dict['volume_subvols']:
+            # define nodes to reboot
+            brick_list = subvol[0:2]
+            nodes_to_reboot = []
+            for brick in brick_list:
+                node, brick_path = brick.split(':')
+                nodes_to_reboot.append(node)
+
+            # get files to delete/create for nodes to be offline
+            node, brick_path = brick_list[0].split(':')
+            ret, brick_file_list, _ = g.run(node, 'ls %s' % brick_path)
+            self.assertFalse(ret, 'Failed to ls files on %s' % node)
+            file_list = brick_file_list.splitlines()
+
+            # delete files from mountpoint
+            for mount_obj in self.mounts:
+                g.log.info("Deleting data for %s:%s",
+                           mount_obj.client_system, mount_obj.mountpoint)
+                cmd = ('cd %s/ ; rm -rf %s'
+                       % (mount_obj.mountpoint, ' '.join(file_list)))
+                ret, _, _ = g.run(mount_obj.client_system, cmd)
+                self.assertFalse(ret, 'Failed to rm file on %s'
+                                 % mount_obj.client_system)
+            g.log.info('Files %s are deleted', file_list)
+
+            # reboot nodes on subvol and wait while rebooting
+            g.log.info("Rebooting the nodes %s", nodes_to_reboot)
+            ret = reboot_nodes(nodes_to_reboot)
+            self.assertTrue(ret, 'Failed to reboot nodes %s '
+                            % nodes_to_reboot)
+
+            # Creating files on nodes while rebooting
+            self.all_mounts_procs = []
+            for mount_obj in self.mounts:
+                g.log.info("Creating data for %s:%s",
+                           mount_obj.client_system, mount_obj.mountpoint)
+
+                # Creating files
+                cmd = ("cd %s/ ;"
+                       "touch %s"
+                       % (mount_obj.mountpoint, ' '.join(file_list)))
+
+                proc = g.run_async(mount_obj.client_system, cmd,
+                                   user=mount_obj.user)
+                self.all_mounts_procs.append(proc)
+
+                # Validate IO
+                self.io_validation_complete = False
+                g.log.info("Validating if IO failed with read-only filesystem")
+                ret = is_io_procs_fail_with_rofs(self, self.all_mounts_procs,
+                                                 self.mounts)
+                self.assertTrue(ret, ("Unexpected error and IO successful"
+                                      " on read-only filesystem"))
+                self.io_validation_complete = True
+                g.log.info("EXPECTED: "
+                           "Read-only file system in IO while creating file")
+
+            # check if nodes are online
+            counter = 0
+            timeout = 300
+            _rc = False
+            while counter < timeout:
+                ret, reboot_results = are_nodes_online(nodes_to_reboot)
+                if not ret:
+                    g.log.info("Nodes are offline, Retry after 5 seconds ... ")
+                    time.sleep(5)
+                    counter = counter + 5
+                else:
+                    _rc = True
+                    break
+
+            if not _rc:
+                for node in reboot_results:
+                    if reboot_results[node]:
+                        g.log.info("Node %s is online", node)
+                    else:
+                        g.log.error("Node %s is offline even after "
+                                    "%d minutes", node, timeout / 60.0)
+            else:
+                g.log.info("All nodes %s are up and running", nodes_to_reboot)
+
+            # Wait for volume processes to be online
+            g.log.info("Wait for volume processes to be online")
+            ret = wait_for_volume_process_to_be_online(self.mnode,
+                                                       self.volname)
+            self.assertTrue(ret,
+                            ("Failed to wait for volume %s processes to "
+                             "be online", self.volname))
+            g.log.info("Successful in waiting for volume %s processes to be "
+                       "online", self.volname)
+
+            # Verify volume's all process are online
+            g.log.info("Verifying volume's all process are online")
+            ret = verify_all_process_of_volume_are_online(self.mnode,
+                                                          self.volname)
+            self.assertTrue(ret, ("Volume %s : All process are not online"
+                                  % self.volname))
+            g.log.info("Volume %s : All process are online", self.volname)
+
+            # Creating files on nodes after rebooting
+            self.all_mounts_procs = []
+            for mount_obj in self.mounts:
+                g.log.info("Creating data for %s:%s",
+                           mount_obj.client_system, mount_obj.mountpoint)
+
+                # Creating files
+                cmd = ("cd %s/ ;"
+                       "touch %s"
+                       % (mount_obj.mountpoint, ' '.join(file_list)))
+
+                proc = g.run_async(mount_obj.client_system, cmd,
+                                   user=mount_obj.user)
+                self.all_mounts_procs.append(proc)
+
+            # Validate IO
+            self.io_validation_complete = False
+            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")
+
+        # Do IO and check on subvols without nodes to reboot
+        subvols_dict = get_subvols(self.mnode, self.volname)
+        for subvol in subvols_dict['volume_subvols']:
+            # define nodes to reboot
+            brick_list = subvol[0:2]
+            nodes_to_reboot = []
+            for brick in brick_list:
+                node, brick_path = brick.split(':')
+                nodes_to_reboot.append(node)
+
+            # get files to delete/create for nodes to be online
+            new_subvols_dict = get_subvols(self.mnode, self.volname)
+            subvol_to_operate = new_subvols_dict['volume_subvols']
+            subvol_to_operate.remove(subvol)
+            brick_list_subvol_online = subvol_to_operate[0]
+
+            node, brick_path_vol_online = \
+                brick_list_subvol_online[0].split(':')
+            ret, brick_file_list, _ = g.run(node,
+                                            'ls %s' % brick_path_vol_online)
+            self.assertFalse(ret, 'Failed to ls files on %s' % node)
+            file_list = brick_file_list.splitlines()
+
+            # delete files from mountpoint
+            for mount_obj in self.mounts:
+                g.log.info("Deleting data for %s:%s",
+                           mount_obj.client_system, mount_obj.mountpoint)
+                cmd = ('cd %s/ ; rm -rf %s'
+                       % (mount_obj.mountpoint, ' '.join(file_list)))
+                ret, _, _ = g.run(mount_obj.client_system, cmd)
+                self.assertFalse(ret, 'Failed to rm file on %s'
+                                 % mount_obj.client_system)
+            g.log.info('Files %s are deleted', file_list)
+
+            # reboot nodes on subvol and wait while rebooting
+            g.log.info("Rebooting the nodes %s", nodes_to_reboot)
+            ret = reboot_nodes(nodes_to_reboot)
+            self.assertTrue(ret, 'Failed to reboot nodes %s '
+                            % nodes_to_reboot)
+
+            # Creating files on nodes while rebooting
+            self.all_mounts_procs = []
+            for mount_obj in self.mounts:
+                g.log.info("Creating data for %s:%s",
+                           mount_obj.client_system, mount_obj.mountpoint)
+
+                # Creating files
+                cmd = ("cd %s/ ;"
+                       "touch %s"
+                       % (mount_obj.mountpoint, ' '.join(file_list)))
+
+                proc = g.run_async(mount_obj.client_system, cmd,
+                                   user=mount_obj.user)
+                self.all_mounts_procs.append(proc)
+
+                # Validate IO
+                self.io_validation_complete = False
+                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")
+
+            # check if nodes are online
+            counter = 0
+            timeout = 300
+            _rc = False
+            while counter < timeout:
+                ret, reboot_results = are_nodes_online(nodes_to_reboot)
+                if not ret:
+                    g.log.info("Nodes are offline, Retry after 5 seconds ... ")
+                    time.sleep(5)
+                    counter = counter + 5
+                else:
+                    _rc = True
+                    break
+
+            if not _rc:
+                for node in reboot_results:
+                    if reboot_results[node]:
+                        g.log.info("Node %s is online", node)
+                    else:
+                        g.log.error("Node %s is offline even after "
+                                    "%d minutes", node, timeout / 60.0)
+            else:
+                g.log.info("All nodes %s are up and running", nodes_to_reboot)
+
+            # Wait for volume processes to be online
+            g.log.info("Wait for volume processes to be online")
+            ret = wait_for_volume_process_to_be_online(self.mnode,
+                                                       self.volname)
+            self.assertTrue(ret,
+                            ("Failed to wait for volume %s processes to "
+                             "be online", self.volname))
+            g.log.info("Successful in waiting for volume %s processes to be "
+                       "online", self.volname)
+
+            # Verify volume's all process are online
+            g.log.info("Verifying volume's all process are online")
+            ret = verify_all_process_of_volume_are_online(self.mnode,
+                                                          self.volname)
+            self.assertTrue(ret, ("Volume %s : All process are not online"
+                                  % self.volname))
+            g.log.info("Volume %s : All process are online", self.volname)
+
+        # Do IO and check and reboot nodes on all subvols
+        subvols_dict = get_subvols(self.mnode, self.volname)
+        nodes_to_reboot = []
+        file_list_for_all_subvols = []
+        for subvol in subvols_dict['volume_subvols']:
+            # define nodes to reboot
+            brick_list = subvol[0:2]
+            for brick in brick_list:
+                node, brick_path = brick.split(':')
+                nodes_to_reboot.append(node)
+
+            # get files to delete/create for nodes to be offline
+            node, brick_path = brick_list[0].split(':')
+            ret, brick_file_list, _ = g.run(node, 'ls %s' % brick_path)
+            self.assertFalse(ret, 'Failed to ls files on %s' % node)
+            file_list = brick_file_list.splitlines()
+            file_list_for_all_subvols.append(file_list)
+
+            # delete files from mountpoint
+            for mount_obj in self.mounts:
+                g.log.info("Deleting data for %s:%s",
+                           mount_obj.client_system, mount_obj.mountpoint)
+                cmd = ('cd %s/ ; rm -rf %s'
+                       % (mount_obj.mountpoint, ' '.join(file_list)))
+                ret, _, _ = g.run(mount_obj.client_system, cmd)
+                self.assertFalse(ret, 'Failed to rm file on %s' % node)
+            g.log.info('Files %s are deleted', file_list)
+
+        # reboot nodes on subvol and wait while rebooting
+        g.log.info("Rebooting the nodes %s", nodes_to_reboot)
+        ret = reboot_nodes(nodes_to_reboot)
+        self.assertTrue(ret, 'Failed to reboot nodes %s '
+                        % nodes_to_reboot)
+
+        # Creating files on nodes while rebooting
+        all_mounts_procs, all_mounts_procs_1, all_mounts_procs_2 = [], [], []
+        # Create files for 1-st subvol and get all_mounts_procs_1
+        for mount_obj in self.mounts:
+            g.log.info("Creating data for %s:%s",
+                       mount_obj.client_system, mount_obj.mountpoint)
+
+            # Creating files
+            cmd = ("cd %s/ ;"
+                   "touch %s"
+                   % (mount_obj.mountpoint,
+                      ' '.join(file_list_for_all_subvols[0])))
+
+            proc = g.run_async(mount_obj.client_system, cmd,
+                               user=mount_obj.user)
+            all_mounts_procs_1.append(proc)
+            all_mounts_procs.append(all_mounts_procs_1)
+
+        # Create files for 2-st subvol and get all_mounts_procs_2
+        for mount_obj in self.mounts:
+            g.log.info("Creating data for %s:%s",
+                       mount_obj.client_system, mount_obj.mountpoint)
+
+            # Creating files
+            cmd = ("cd %s/ ;"
+                   "touch %s"
+                   % (mount_obj.mountpoint,
+                      ' '.join(file_list_for_all_subvols[1])))
+
+            proc2 = g.run_async(mount_obj.client_system, cmd,
+                                user=mount_obj.user)
+            all_mounts_procs_2.append(proc2)
+            all_mounts_procs.append(all_mounts_procs_2)
+
+        for mounts_procs in all_mounts_procs:
+            # Validate IO
+            self.io_validation_complete = False
+            g.log.info("Validating if IO failed with read-only filesystem")
+            ret = is_io_procs_fail_with_rofs(self, mounts_procs,
+                                             self.mounts)
+            self.assertTrue(ret, ("Unexpected error and IO successful"
+                                  " on read-only filesystem"))
+            self.io_validation_complete = True
+            g.log.info("EXPECTED: "
+                       "Read-only file system in IO while creating file")
+
+        # check if nodes are online
+        counter = 0
+        timeout = 300
+        _rc = False
+        while counter < timeout:
+            ret, reboot_results = are_nodes_online(nodes_to_reboot)
+            if not ret:
+                g.log.info("Nodes are offline, Retry after 5 seconds ... ")
+                time.sleep(5)
+                counter = counter + 5
+            else:
+                _rc = True
+                break
+
+        if not _rc:
+            for node in reboot_results:
+                if reboot_results[node]:
+                    g.log.info("Node %s is online", node)
+                else:
+                    g.log.error("Node %s is offline even after "
+                                "%d minutes", node, timeout / 60.0)
+        else:
+            g.log.info("All nodes %s are up and running", nodes_to_reboot)
+
+        # Wait for volume processes to be online
+        g.log.info("Wait for volume processes to be online")
+        ret = wait_for_volume_process_to_be_online(self.mnode,
+                                                   self.volname)
+        self.assertTrue(ret,
+                        ("Failed to wait for volume %s processes to "
+                         "be online", self.volname))
+        g.log.info("Successful in waiting for volume %s processes to be "
+                   "online", self.volname)
+
+        # Verify volume's all process are online
+        g.log.info("Verifying volume's all process are online")
+        ret = verify_all_process_of_volume_are_online(self.mnode,
+                                                      self.volname)
+        self.assertTrue(ret, ("Volume %s : All process are not online"
+                              % self.volname))
+        g.log.info("Volume %s : All process are online", self.volname)
+
+        # Creating files on nodes after rebooting
+        all_mounts_procs, all_mounts_procs_1, all_mounts_procs_2 = [], [], []
+        # Create files for 1-st subvol and get all_mounts_procs_1
+        for mount_obj in self.mounts:
+            g.log.info("Creating data for %s:%s",
+                       mount_obj.client_system, mount_obj.mountpoint)
+
+            # Creating files
+            cmd = ("cd %s/ ;"
+                   "touch %s"
+                   % (mount_obj.mountpoint,
+                      ' '.join(file_list_for_all_subvols[0])))
+
+            proc = g.run_async(mount_obj.client_system, cmd,
+                               user=mount_obj.user)
+            all_mounts_procs_1.append(proc)
+            all_mounts_procs.append(all_mounts_procs_1)
+
+        # Create files for 2-st subvol and get all_mounts_procs_2
+        for mount_obj in self.mounts:
+            g.log.info("Creating data for %s:%s",
+                       mount_obj.client_system, mount_obj.mountpoint)
+
+            # Creating files
+            cmd = ("cd %s/ ;"
+                   "touch %s"
+                   % (mount_obj.mountpoint,
+                      ' '.join(file_list_for_all_subvols[1])))
+
+            proc2 = g.run_async(mount_obj.client_system, cmd,
+                                user=mount_obj.user)
+            all_mounts_procs_2.append(proc2)
+            all_mounts_procs.append(all_mounts_procs_2)
+
+        for mounts_procs in all_mounts_procs:
+            # Validate IO
+            self.io_validation_complete = False
+            g.log.info("Wait for IO to complete and validate IO ...")
+            ret = validate_io_procs(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")