TestCase Testing VolumeType change from replicated to Arbiter volume along with volume operations add-brick, remove-brick, replace-brick post volume type change

Change-Id: I44a1ff6fab3228736ae9c83fe67b16c2e8c40adc
Signed-off-by: Karan Sandha <ksandha@redhat.com>
Signed-off-by: Vitalii Koriakov <vkoriako@redhat.com>

1 files changed, 394 insertions, 0 deletions

diff --git a/tests/functional/arbiter/brick_cases/test_brickcases.py b/tests/functional/arbiter/brick_cases/test_brickcases.py
new file mode 100755
index 000000000..5d3a03816
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+++ b/tests/functional/arbiter/brick_cases/test_brickcases.py
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+#  Copyright (C) 2017-2018  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.

+

+""" Test Arbiter Specific Cases"""

+

+from glusto.core import Glusto as g

+from glustolibs.gluster.gluster_base_class import (GlusterBaseClass, runs_on)

+from glustolibs.gluster.volume_libs import (

+    log_volume_info_and_status, replace_brick_from_volume,

+    expand_volume, wait_for_volume_process_to_be_online,

+    verify_all_process_of_volume_are_online, shrink_volume)

+from glustolibs.gluster.rebalance_ops import (

+    rebalance_start, rebalance_status, wait_for_rebalance_to_complete)

+from glustolibs.gluster.heal_libs import monitor_heal_completion

+from glustolibs.gluster.exceptions import ExecutionError

+from glustolibs.io.utils import (validate_io_procs,

+                                 list_all_files_and_dirs_mounts,

+                                 wait_for_io_to_complete)

+from glustolibs.misc.misc_libs import upload_scripts

+

+

+@runs_on([['replicated', 'distributed-replicated'],

+          ['glusterfs', 'cifs', 'nfs']])

+class GlusterArbiterVolumeTypeChangeClass(GlusterBaseClass):

+    """Class for testing Volume Type Change from replicated to

+        Arbitered volume

+    """

+    @classmethod

+    def setUpClass(cls):

+        # Calling GlusterBaseClass setUpClass

+        GlusterBaseClass.setUpClass.im_func(cls)

+

+        # Overriding the volume type to specifically test the volume type

+        # change from replicated to arbiter

+        if cls.volume_type == "replicated":

+            cls.volume['voltype'] = {

+                'type': 'replicated',

+                'replica_count': 2,

+                'dist_count': 1,

+                'transport': 'tcp'}

+

+        if cls.volume_type == "distributed-replicated":

+            cls.volume['voltype'] = {

+                'type': 'distributed-replicated',

+                'dist_count': 2,

+                'replica_count': 2,

+                'transport': 'tcp'}

+

+        # 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)

+

+        cls.counter = 1

+        # int: Value of counter is used for dirname-start-num argument for

+        # file_dir_ops.py create_deep_dirs_with_files.

+

+        # The --dir-length argument value for file_dir_ops.py

+        # create_deep_dirs_with_files is set to 10 (refer to the cmd in setUp

+        # method). This means every mount will create

+        # 10 top level dirs. For every mountpoint/testcase to create new set of

+        # dirs, we are incrementing the counter by --dir-length value i.e 10

+        # in this test suite.

+

+        # If we are changing the --dir-length to new value, ensure the counter

+        # is also incremented by same value to create new set of files/dirs.

+

+    def setUp(self):

+        """

+        - Setup Volume and Mount Volume

+        """

+        # Calling GlusterBaseClass setUpClass

+        GlusterBaseClass.setUpClass.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

+

+        Unmount Volume and Cleanup Volume

+        """

+        # Wait for IO to complete if io validation is not executed in the

+        # test method

+        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")

+

+        # Unmount Volume and Cleanup 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_replicated_to_arbiter_volume_change_with_volume_ops(self):

+        """

+        - Change the volume type from replicated to arbiter

+        - Perform add-brick, rebalance on arbitered volume

+        - Perform replace-brick on arbitered volume

+        - Perform remove-brick on arbitered volume

+        """

+        # pylint: disable=too-many-statements

+

+        # Start IO on mounts

+        g.log.info("Starting IO on all mounts...")

+        self.all_mounts_procs = []

+        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 15 "

+                   "--max-num-of-dirs 5 "

+                   "--num-of-files 5 %s" % (self.script_upload_path,

+                                            self.counter,

+                                            mount_obj.mountpoint))

+            proc = g.run_async(mount_obj.client_system, cmd,

+                               user=mount_obj.user)

+            self.all_mounts_procs.append(proc)

+            self.counter = self.counter + 10

+        self.io_validation_complete = False

+

+        # Validate IO

+        g.log.info("Wait for IO to complete and validate IO ...")

+        ret = validate_io_procs(self.all_mounts_procs, self.mounts)

+        self.io_validation_complete = True

+        self.assertTrue(ret, "IO failed on some of the clients")

+        g.log.info("IO is successful on all mounts")

+

+        # Adding bricks to make an Arbiter Volume

+        g.log.info("Adding bricks to convert to Arbiter Volume")

+        ret = expand_volume(self.mnode, self.volname, self.servers[2:],

+                            self.all_servers_info, replica_count=1,

+                            arbiter_count=1)

+        self.assertTrue(ret, ("Failed to expand the volume  %s", self.volname))

+        g.log.info("Changing volume to arbiter volume is successfull %s",

+                   self.volname)

+

+        # Log Volume Info and Status after changing the volume type from

+        # replicated to arbitered

+        g.log.info("Logging volume info and Status after changing to "

+                   "arbitered 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)

+

+        # 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)

+

+        # Verifying all bricks 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)

+

+        # Checking for heals to finish after changing the volume type

+        # from replicated to arbitered volume

+        g.log.info("Wait for self-heal to complete after changing the "

+                   "volume type from replicated to arbitered volume")

+        ret = monitor_heal_completion(self.mnode, self.volname)

+        self.assertTrue(ret, ("Self heal didn't complete even after waiting "

+                              "for 20 minutes."))

+        g.log.info("self-heal is successful after changing the volume type "

+                   "from replicated to arbitered volume")

+

+        # Start IO on mounts

+        g.log.info("Starting IO on all mounts...")

+        self.all_mounts_procs = []

+        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 35 "

+                   "--max-num-of-dirs 5 "

+                   "--num-of-files 5 %s" % (self.script_upload_path,

+                                            self.counter,

+                                            mount_obj.mountpoint))

+            proc = g.run_async(mount_obj.client_system, cmd,

+                               user=mount_obj.user)

+            self.all_mounts_procs.append(proc)

+            self.counter = self.counter + 10

+        self.io_validation_complete = False

+

+        # Log Volume Info and Status before expanding the volume.

+        g.log.info("Logging volume info and Status before 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)

+

+        # Start add-brick (subvolume-increase)

+        g.log.info("Start adding bricks to volume when IO in progress")

+        ret = expand_volume(self.mnode, self.volname, self.servers,

+                            self.all_servers_info)

+        self.assertTrue(ret, ("Failed to expand the volume when IO in "

+                              "progress on volume %s", self.volname))

+        g.log.info("Expanding volume when IO in progress is successful on "

+                   "volume %s", self.volname)

+

+        # 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)

+

+        # 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)

+

+        # Start Rebalance

+        g.log.info("Starting Rebalance on the volume")

+        ret, _, _ = rebalance_start(self.mnode, self.volname)

+        self.assertEqual(ret, 0, ("Failed to start rebalance on the volume "

+                                  "%s", self.volname))

+        g.log.info("Successfully started rebalance on the volume %s",

+                   self.volname)

+

+        # Log Rebalance status

+        g.log.info("Log Rebalance status")

+        _, _, _ = rebalance_status(self.mnode, self.volname)

+

+        # 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 did not start "

+                             "despite waiting for 5 mins")

+        g.log.info("Rebalance is successfully complete on the volume %s",

+                   self.volname)

+

+        # Log Volume Info and Status before replacing brick from the volume.

+        g.log.info("Logging volume info and Status before replacing brick "

+                   "from the volume %s", self.volname)

+        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)

+

+        # Replace brick from a sub-volume

+        g.log.info("Replace a faulty brick from the volume")

+        ret = replace_brick_from_volume(self.mnode, self.volname,

+                                        self.servers, self.all_servers_info)

+        self.assertTrue(ret, "Failed to replace faulty brick from the volume")

+        g.log.info("Successfully replaced faulty brick from the volume")

+

+        # Log Volume Info and Status after replacing the brick

+        g.log.info("Logging volume info and Status after replacing brick "

+                   "from the volume %s", self.volname)

+        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)

+

+        # 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)

+

+        # Wait for self-heal to complete

+        g.log.info("Wait for self-heal to complete")

+        ret = monitor_heal_completion(self.mnode, self.volname)

+        self.assertTrue(ret, "Self heal didn't complete even after waiting "

+                        "for 20 minutes. 20 minutes is too much a time for "

+                        "current test workload")

+        g.log.info("self-heal is successful after replace-brick operation")

+

+        # Log Volume Info and Status before shrinking the volume.

+        g.log.info("Logging volume info and Status before shrinking 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)

+

+        # Shrinking volume by removing bricks from volume when IO in progress

+        g.log.info("Start removing bricks from volume when IO in progress")

+        ret = shrink_volume(self.mnode, self.volname)

+        self.assertTrue(ret, ("Failed to shrink the volume when IO in "

+                              "progress on volume %s", self.volname))

+        g.log.info("Shrinking volume when IO in progress is successful on "

+                   "volume %s", self.volname)

+

+        # Log Volume Info and Status after shrinking the volume

+        g.log.info("Logging volume info and Status after shrinking 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)

+

+        # 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 after "

+                   "shrinking volume")

+        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 after shrinking volume",

+                   self.volname)

+

+        # Validate IO

+        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")