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authorPrasad Desala <tdesala@redhat.com>2018-06-14 16:42:21 +0530
committerVijay Avuthu <vavuthu@redhat.com>2018-06-23 04:23:58 +0000
commit27c1939c0e7b127da43e678cd48cd5dabc157f54 (patch)
treed7089992b7368e14813b450361b2f899354e7a31 /tests
parent90c2daa6e93b28f544e919df9803344bd3008117 (diff)
Start rebalance when glusterd is down on one of the node
Rebalance should fail on a pure distribute volume when glusterd is down on one of the nodes. Change-Id: I5a871a7783b434ef61f0f1cf4b262db9f5148af6 Signed-off-by: Prasad Desala <tdesala@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/functional/dht/test_rebalance_start_when_glusterd_down.py184
1 files changed, 184 insertions, 0 deletions
diff --git a/tests/functional/dht/test_rebalance_start_when_glusterd_down.py b/tests/functional/dht/test_rebalance_start_when_glusterd_down.py
new file mode 100644
index 0000000..d6850d5
--- /dev/null
+++ b/tests/functional/dht/test_rebalance_start_when_glusterd_down.py
@@ -0,0 +1,184 @@
+# Copyright (C) 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.
+
+import random
+from time import sleep
+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.rebalance_ops import (
+ wait_for_rebalance_to_complete, rebalance_start)
+from glustolibs.gluster.volume_libs import expand_volume
+from glustolibs.io.utils import (
+ list_all_files_and_dirs_mounts,
+ wait_for_io_to_complete)
+from glustolibs.misc.misc_libs import upload_scripts
+from glustolibs.gluster.gluster_init import (
+ stop_glusterd, restart_glusterd,
+ is_glusterd_running)
+
+
+@runs_on([['distributed'],
+ ['glusterfs']])
+class RebalanceValidation(GlusterBaseClass):
+
+ @classmethod
+ def setUpClass(cls):
+
+ # Calling GlusterBaseClass setUpClass
+ GlusterBaseClass.setUpClass.im_func(cls)
+
+ # Setup Volume and Mount Volume
+ g.log.info("Starting to Setup Volume and Mount Volume")
+ ret = cls.setup_volume_and_mount_volume(mounts=cls.mounts)
+ if not ret:
+ raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
+ g.log.info("Successful in Setup Volume and Mount Volume")
+
+ # 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)
+
+ # Start IO on mounts
+ g.log.info("Starting IO on all mounts...")
+ cls.all_mounts_procs = []
+ for index, mount_obj in enumerate(cls.mounts, start=1):
+ 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 1 "
+ "--dir-length 1 "
+ "--max-num-of-dirs 1 "
+ "--num-of-files 1 %s" % (cls.script_upload_path,
+ index + 10,
+ mount_obj.mountpoint))
+ proc = g.run_async(mount_obj.client_system, cmd,
+ user=mount_obj.user)
+ cls.all_mounts_procs.append(proc)
+
+ # Wait for IO to complete
+ g.log.info("Wait for IO to complete as IO validation did not "
+ "succeed in test method")
+ ret = wait_for_io_to_complete(cls.all_mounts_procs, cls.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(cls.mounts)
+ if not ret:
+ raise ExecutionError("Failed to list all files and dirs")
+ g.log.info("Listing all files and directories is successful")
+
+ def test_rebalance_start_when_glusterd_down(self):
+
+ # Expanding volume by adding bricks to the volume
+ g.log.info("Start adding bricks to volume")
+ ret = expand_volume(self.mnode, self.volname, self.servers,
+ self.all_servers_info)
+ self.assertTrue(ret, ("Volume %s: Expand failed", self.volname))
+ g.log.info("Volume %s: Expand success", self.volname)
+
+ # Form a new list of servers without mnode in it to prevent mnode
+ # from glusterd failure
+ nodes = self.servers[:]
+ nodes.remove(self.mnode)
+
+ # Stop glusterd on a server
+ self.random_server = random.choice(nodes)
+ g.log.info("Stop glusterd on server %s", self.random_server)
+ ret = stop_glusterd(self.random_server)
+ self.assertTrue(ret, ("Server %s: Failed to stop glusterd",
+ self.random_server))
+ g.log.info("Server %s: Stopped glusterd", self.random_server)
+
+ # Start Rebalance
+ g.log.info("Starting rebalance on the volume")
+ ret, _, _ = rebalance_start(self.mnode, self.volname)
+ self.assertEqual(ret, 0, ("Volume %s: Failed to start rebalance",
+ self.volname))
+ g.log.info("Volume %s: Rebalance start success", 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.assertFalse(ret, ("Volume %s: Rebalance is completed",
+ self.volname))
+ g.log.info("Rebalance failed on one or more nodes. Check rebalance "
+ "status for more details")
+
+ def tearDown(self):
+
+ # restart glusterd on the stopped server
+ g.log.info("Restart glusterd on %s", self.random_server)
+ ret = restart_glusterd(self.random_server)
+ if not ret:
+ raise ExecutionError("Failed to restart glusterd %s" %
+ self.random_server)
+ g.log.info("Successfully restarted glusterd on %s",
+ self.random_server)
+
+ # Check if glusterd is running on all servers(expected: active)
+ g.log.info("Check if glusterd is running on all servers %s"
+ "(expected: active)", self.servers)
+ ret = is_glusterd_running(self.servers)
+ if ret != 0:
+ raise ExecutionError("Glusterd is not running on all servers"
+ " %s" % self.servers)
+ g.log.info("Glusterd is running on all the servers "
+ "%s", self.servers)
+
+ # Check peer status from every node
+ count = 0
+ while count < 80:
+ ret = self.validate_peers_are_connected()
+ if ret:
+ break
+ sleep(2)
+ count += 1
+ if not ret:
+ raise ExecutionError("All peers are in connected state")
+
+ # Validate all the peers are in connected state
+ g.log.info("Validating all the peers are in Cluster and Connected")
+ ret = self.validate_peers_are_connected()
+ if not ret:
+ raise ExecutionError("Validating Peers to be in Cluster "
+ "Failed")
+ g.log.info("All peers are in connected state")
+
+ @classmethod
+ def tearDownClass(cls):
+ # Unmount Volume and Cleanup Volume
+ g.log.info("Starting to Unmount Volume and Cleanup Volume")
+ ret = cls.unmount_volume_and_cleanup_volume(mounts=cls.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.tearDownClass.im_func(cls)