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-rw-r--r--tests/functional/glusterd/test_volume_set_when_glusterd_stopped_on_one_node.py193
1 files changed, 193 insertions, 0 deletions
diff --git a/tests/functional/glusterd/test_volume_set_when_glusterd_stopped_on_one_node.py b/tests/functional/glusterd/test_volume_set_when_glusterd_stopped_on_one_node.py
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--- /dev/null
+++ b/tests/functional/glusterd/test_volume_set_when_glusterd_stopped_on_one_node.py
@@ -0,0 +1,193 @@
+# Copyright (C) 2020 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:
+ Volume set operation when glusterd is stopped on one node
+"""
+
+from random import choice
+from time import sleep
+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.gluster.volume_ops import (
+ set_volume_options, get_volume_info)
+from glustolibs.gluster.brick_libs import get_online_bricks_list
+from glustolibs.gluster.gluster_init import (
+ start_glusterd, stop_glusterd, wait_for_glusterd_to_start)
+from glustolibs.misc.misc_libs import upload_scripts
+from glustolibs.io.utils import validate_io_procs
+
+
+@runs_on([['distributed', 'replicated', 'distributed-replicated',
+ 'dispersed', 'distributed-dispersed'], ['glusterfs']])
+class TestVolumeSetWhenGlusterdStoppedOnOneNode(GlusterBaseClass):
+
+ @classmethod
+ def setUpClass(cls):
+ cls.get_super_method(cls, 'setUpClass')()
+
+ # Uploading file_dir script in all client direcotries
+ 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):
+ self.get_super_method(self, 'setUp')()
+ # Creating Volume and mounting volume.
+ ret = self.setup_volume_and_mount_volume(self.mounts)
+ if not ret:
+ raise ExecutionError("Volume creation or mount failed: %s"
+ % self.volname)
+ g.log.info("Volme created and mounted successfully : %s",
+ self.volname)
+
+ def tearDown(self):
+ # Check if a node is still down
+ if self.glusterd_is_stopped:
+ ret = start_glusterd(self.random_server)
+ self.assertTrue(ret, "Failed to start glusterd on %s"
+ % self.random_server)
+ g.log.info("Successfully started glusterd on node: %s",
+ self.random_server)
+
+ # Waiting for glusterd to start completely
+ ret = wait_for_glusterd_to_start(self.random_server)
+ self.assertTrue(ret, "glusterd is not running on %s"
+ % self.random_server)
+ g.log.info("glusterd is started and running on %s",
+ self.random_server)
+
+ # Unmounting and cleaning volume.
+ ret = self.unmount_volume_and_cleanup_volume(self.mounts)
+ if not ret:
+ raise ExecutionError("Unable to delete volume % s" % self.volname)
+ g.log.info("Volume deleted successfully : %s", self.volname)
+
+ self.get_super_method(self, 'tearDown')()
+
+ def test_volume_set_when_glusterd_stopped_on_one_node(self):
+ """
+ Test Case:
+ 1) Setup and mount a volume on client.
+ 2) Stop glusterd on a random server.
+ 3) Start IO on mount points
+ 4) Set an option on the volume
+ 5) Start glusterd on the stopped node.
+ 6) Verify all the bricks are online after starting glusterd.
+ 7) Check if the volume info is synced across the cluster.
+ """
+ # Fetching the bricks list and storing it for later use
+ list1 = get_online_bricks_list(self.mnode, self.volname)
+ self.assertIsNotNone(list1, "Failed to get the list of online bricks "
+ "for volume: %s" % self.volname)
+
+ # Fetching a random server from list.
+ self.random_server = choice(self.servers[1:])
+
+ # Stopping glusterd on one node.
+ ret = stop_glusterd(self.random_server)
+ self.assertTrue(ret, "Failed to stop glusterd on one node.")
+ g.log.info("Successfully stopped glusterd on one node.")
+
+ self.glusterd_is_stopped = True
+
+ # Start IO on mount points.
+ self.all_mounts_procs = []
+ counter = 1
+ for mount_obj in self.mounts:
+ g.log.info("Starting IO on %s:%s", mount_obj.client_system,
+ mount_obj.mountpoint)
+ cmd = ("/usr/bin/env python %s create_deep_dirs_with_files "
+ "--dir-depth 4 "
+ "--dir-length 6 "
+ "--dirname-start-num %d "
+ "--max-num-of-dirs 3 "
+ "--num-of-files 5 %s" % (
+ self.script_upload_path,
+ counter, mount_obj.mountpoint))
+ proc = g.run_async(mount_obj.client_system, cmd,
+ user=mount_obj.user)
+ self.all_mounts_procs.append(proc)
+ counter += 1
+
+ # Validate IO
+ self.assertTrue(
+ validate_io_procs(self.all_mounts_procs, self.mounts),
+ "IO failed on some of the clients"
+ )
+ g.log.info("IO validation complete.")
+
+ # set a option on volume, stat-prefetch on
+ self.options = {"stat-prefetch": "on"}
+ ret = set_volume_options(self.mnode, self.volname, self.options)
+ self.assertTrue(ret, ("Failed to set option stat-prefetch to on"
+ "for the volume %s" % self.volname))
+ g.log.info("Succeeded in setting stat-prefetch option to on"
+ "for the volume %s", self.volname)
+
+ # start glusterd on the node where glusterd is stopped
+ ret = start_glusterd(self.random_server)
+ self.assertTrue(ret, "Failed to start glusterd on %s"
+ % self.random_server)
+ g.log.info("Successfully started glusterd on node: %s",
+ self.random_server)
+
+ # Waiting for glusterd to start completely
+ ret = wait_for_glusterd_to_start(self.random_server)
+ self.assertTrue(ret, "glusterd is not running on %s"
+ % self.random_server)
+ g.log.info("glusterd is started and running on %s", self.random_server)
+
+ self.glusterd_is_stopped = False
+
+ # Confirm if all the bricks are online or not
+ count = 0
+ while count < 10:
+ list2 = get_online_bricks_list(self.mnode, self.volname)
+ if list1 == list2:
+ break
+ sleep(2)
+ count += 1
+
+ self.assertListEqual(list1, list2, "Unexpected: All the bricks in the"
+ "volume are not online")
+ g.log.info("All the bricks in the volume are back online")
+
+ # volume info should be synced across the cluster
+ out1 = get_volume_info(self.mnode, self.volname)
+ self.assertIsNotNone(out1, "Failed to get the volume info from %s"
+ % self.mnode)
+ g.log.info("Getting volume info from %s is success", self.mnode)
+
+ count = 0
+ while count < 60:
+ out2 = get_volume_info(self.random_server, self.volname)
+ self.assertIsNotNone(out2, "Failed to get the volume info from %s"
+ % self.random_server)
+ if out1 == out2:
+ break
+ sleep(2)
+ count += 1
+
+ self.assertDictEqual(out1, out2, "Volume info is not synced in the"
+ "restarted node")
+ g.log.info("Volume info is successfully synced across the cluster")