Adding Client Side Quorum Test Case

Change-Id: I73512dde33207295fa954a3b3949f653f03f23c0
Signed-off-by: Vijay Avuthu <vavuthu@redhat.com>

1 files changed, 294 insertions, 0 deletions

diff --git a/tests/functional/afr/test_client_side_quorum.py b/tests/functional/afr/test_client_side_quorum.py
new file mode 100644
index 000000000..6ef4f2c84
--- /dev/null
+++ b/tests/functional/afr/test_client_side_quorum.py
@@ -0,0 +1,294 @@
+#  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.
+
+""" Description:
+        Test Cases in this module tests the client side quorum.
+"""
+
+
+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)
+from glustolibs.misc.misc_libs import upload_scripts
+from glustolibs.gluster.brick_libs import bring_bricks_offline
+from glustolibs.io.utils import (validate_io_procs,
+                                 is_io_procs_fail_with_rofs)
+
+
+@runs_on([['replicated', 'distributed-replicated'],
+          ['glusterfs', 'nfs', 'cifs']])
+class ClientSideQuorumTests(GlusterBaseClass):
+    """
+    ClientSideQuorumTests contains tests which verifies the
+    client side quorum Test Cases
+    """
+    @classmethod
+    def setUpClass(cls):
+        """
+        Upload the necessary scripts to run tests.
+        """
+
+        # 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_abs_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_abs_path)
+        if not ret:
+            raise ExecutionError("Failed to upload IO scripts to clients")
+
+    def setUp(self):
+        """
+        setUp method for every test
+        """
+
+        # calling GlusterBaseClass setUp
+        GlusterBaseClass.setUp.im_func(self)
+
+        # Setup Volume and Mount Volume
+        g.log.info("Starting to Setup Volume %s" % self.volname)
+        ret = self.setup_volume_and_mount_volume(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):
+        """
+        tearDown for every test
+        """
+
+        # stopping the 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 Unmount Volume and Cleanup Volume")
+        g.log.info("Successful in Unmount Volume and Cleanup Volume")
+
+        # Calling GlusterBaseClass tearDown
+        GlusterBaseClass.tearDown.im_func(self)
+
+    def test_client_side_quorum_with_auto_option(self):
+        """
+        Test Script to verify the Client Side Quorum with auto option
+
+        * set cluster.quorum-type to auto.
+        * start I/O from the mount point.
+        * kill 2 of the brick process from the each and every replica set
+        * perform ops
+
+        """
+        # 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))
+
+        # write files on all mounts
+        g.log.info("Starting IO on all mounts...")
+        g.log.info("mounts: %s" % self.mounts)
+        all_mounts_procs = []
+        for mount_obj in self.mounts:
+            cmd = ("python %s create_files "
+                   "-f 10 --base-file-name file %s" % (self.script_upload_path,
+                                                       mount_obj.mountpoint))
+            proc = g.run_async(mount_obj.client_system, cmd,
+                               user=mount_obj.user)
+            all_mounts_procs.append(proc)
+
+        # Validate IO
+        g.log.info("Validating IO on mounts")
+        ret = validate_io_procs(all_mounts_procs, self.mounts)
+        self.assertTrue(ret, "IO failed on some of the clients")
+        g.log.info("IO is successful on all mounts")
+
+        # get the subvolumes
+        g.log.info("Starting to get sub-volumes for volume %s" % self.volname)
+        subvols_dict = get_subvols(self.mnode, self.volname)
+        num_subvols = len(subvols_dict['volume_subvols'])
+        g.log.info("Number of subvolumes in volume %s:" % num_subvols)
+
+        # bring bricks offline( 2 bricks ) for all the subvolumes
+        for i in range(0, num_subvols):
+            subvol_brick_list = subvols_dict['volume_subvols'][i]
+            g.log.info("sub-volume %s brick list : %s"
+                       % (i, subvol_brick_list))
+            # For volume type: 1 * 2, bring 1 brick offline
+            if len(subvol_brick_list) == 2:
+                bricks_to_bring_offline = subvol_brick_list[0:1]
+            else:
+                bricks_to_bring_offline = subvol_brick_list[0:2]
+            g.log.info("Going to bring down the brick process "
+                       "for %s" % bricks_to_bring_offline)
+            ret = bring_bricks_offline(self.volname, bricks_to_bring_offline)
+            self.assertTrue(ret, ("Failed to bring down the bricks. Please "
+                                  "check the log file for more details."))
+            g.log.info("Brought down the brick process "
+                       "for %s succesfully" % bricks_to_bring_offline)
+
+        # create 2 files named newfile0.txt and newfile1.txt
+        g.log.info("Start creating 2 files on all mounts...")
+        all_mounts_procs = []
+        for mount_obj in self.mounts:
+            cmd = ("python %s create_files "
+                   "-f 2 --base-file-name newfile %s" %
+                   (self.script_upload_path, mount_obj.mountpoint))
+            proc = g.run_async(mount_obj.client_system, cmd,
+                               user=mount_obj.user)
+            all_mounts_procs.append(proc)
+
+        # Validate IO
+        g.log.info("Validating whether IO failed with read-only filesystem")
+        ret = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts)
+        self.assertTrue(ret, ("Unexpected error and IO successfull"
+                              " on read-only filesystem"))
+        g.log.info("EXPECTED: Read-only file system in IO while creating file")
+
+        # create directory user1
+        g.log.info("Start creating directory on all mounts...")
+        all_mounts_procs = []
+        for mount_obj in self.mounts:
+            cmd = ("python %s create_deep_dir "
+                   "%s" % (self.script_upload_path, mount_obj.mountpoint))
+            proc = g.run_async(mount_obj.client_system, cmd,
+                               user=mount_obj.user)
+            all_mounts_procs.append(proc)
+
+        # Validate IO
+        g.log.info("Validating whether IO failed with read-only filesystem")
+        ret = is_io_procs_fail_with_rofs(self, all_mounts_procs, self.mounts)
+        self.assertTrue(ret, ("Unexpected error and IO successfull"
+                              " on read-only filesystem"))
+        g.log.info("EXPECTED: Read-only file system in IO while"
+                   " creating directory")
+
+        # create h/w link to file
+        g.log.info("Start creating hard link for file0.txt on all mounts")
+        for mount_obj in self.mounts:
+            cmd = "ln %s/file0.txt %s/file0.txt_hwlink" \
+                  % (mount_obj.mountpoint, mount_obj.mountpoint)
+            ret, out, err = g.run(mount_obj.client_system, cmd)
+            self.assertTrue(ret, ("Unexpected error and creating hard link"
+                                  " successful on read-only filesystem"))
+            self.assertIn("Read-only file system",
+                          err, "Read-only filesystem not found in "
+                               "IO while truncating file")
+            g.log.info("EXPECTED: Read-only file system in IO")
+
+        # create s/w link
+        g.log.info("Start creating soft link for file1.txt on all mounts")
+        for mount_obj in self.mounts:
+            cmd = "ln -s %s/file1.txt %s/file1.txt_swlink" %\
+                  (mount_obj.mountpoint, mount_obj.mountpoint)
+            ret, out, err = g.run(mount_obj.client_system, cmd)
+            self.assertTrue(ret, ("Unexpected error and creating soft link"
+                                  " successful on read-only filesystem"))
+            self.assertIn("Read-only file system",
+                          err, "Read-only filesystem not found in "
+                               "IO while truncating file")
+            g.log.info("EXPECTED: Read-only file system in IO")
+
+        # append to file
+        g.log.info("Appending to file1.txt on all mounts")
+        for mount_obj in self.mounts:
+            cmd = "cat %s/file0.txt >> %s/file1.txt" %\
+                  (mount_obj.mountpoint, mount_obj.mountpoint)
+            ret, out, err = g.run(mount_obj.client_system, cmd)
+            self.assertTrue(ret, ("Unexpected error and append successful"
+                                  " on read-only filesystem"))
+            self.assertIn("Read-only file system",
+                          err, "Read-only filesystem not found in "
+                               "IO while truncating file")
+            g.log.info("EXPECTED: Read-only file system in IO")
+
+        # modify the file
+        g.log.info("Modifying file1.txt on all mounts")
+        for mount_obj in self.mounts:
+            cmd = "echo 'Modify Contents' > %s/file1.txt"\
+                  % (mount_obj.mountpoint)
+            ret, out, err = g.run(mount_obj.client_system, cmd)
+            self.assertTrue(ret, ("Unexpected error and modifying successful"
+                                  " on read-only filesystem"))
+            self.assertIn("Read-only file system",
+                          err, "Read-only filesystem not found in "
+                               "IO while truncating file")
+            g.log.info("EXPECTED: Read-only file system in IO")
+
+        # truncate the file
+        g.log.info("Truncating file1.txt on all mounts")
+        for mount_obj in self.mounts:
+            cmd = "truncate -s 0 %s/file1.txt" % (mount_obj.mountpoint)
+            ret, out, err = g.run(mount_obj.client_system, cmd)
+            self.assertTrue(ret, ("Unexpected error and truncating file"
+                                  " successful on read-only filesystem"))
+            self.assertIn("Read-only file system",
+                          err, "Read-only filesystem not found in "
+                               "IO while truncating file")
+            g.log.info("EXPECTED: Read-only file system in IO")
+
+        # read the file
+        g.log.info("Starting reading files on all mounts")
+        all_mounts_procs = []
+        for mount_obj in self.mounts:
+            cmd = ("python %s read "
+                   "%s" % (self.script_upload_path, mount_obj.mountpoint))
+            proc = g.run_async(mount_obj.client_system, cmd,
+                               user=mount_obj.user)
+            all_mounts_procs.append(proc)
+
+        # Validate IO
+        g.log.info("validating IO on all mounts")
+        ret = validate_io_procs(all_mounts_procs, self.mounts)
+        self.assertTrue(ret, "Reads failed on some of the clients")
+        g.log.info("Reads successful on all mounts")
+
+        # stat on file
+        g.log.info("stat on file1.txt on all mounts")
+        for mount_obj in self.mounts:
+            cmd = "stat %s/file1.txt" % (mount_obj.mountpoint)
+            ret, out, err = g.run(mount_obj.client_system, cmd)
+            self.assertFalse(ret, ("Unexpected error and stat on file fails"
+                                   " on read-only filesystem"))
+            g.log.info("stat on file is successfull on read-only filesystem")
+
+        # stat on dir
+        g.log.info("stat on directory on all mounts")
+        for mount_obj in self.mounts:
+            cmd = ("python %s stat %s"
+                   % (self.script_upload_path, mount_obj.mountpoint))
+            ret, out, err = g.run(mount_obj.client_system, cmd)
+            self.assertFalse(ret, ("Unexpected error and stat on directory"
+                                   " fails on read-only filesystem"))
+            g.log.info("stat on dir is successfull on read-only filesystem")
+
+        # ls on mount point
+        g.log.info("ls on mount point on all mounts")
+        for mount_obj in self.mounts:
+            cmd = ("python %s ls %s"
+                   % (self.script_upload_path, mount_obj.mountpoint))
+            ret, out, err = g.run(mount_obj.client_system, cmd)
+            self.assertFalse(ret, ("Unexpected error and listing file fails"
+                                   " on read-only filesystem"))
+            g.log.info("listing files is successfull on read-only filesystem")