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| -rw-r--r-- | tests/functional/glusterd/test_get_state_on_brick_unmount.py | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/tests/functional/glusterd/test_get_state_on_brick_unmount.py b/tests/functional/glusterd/test_get_state_on_brick_unmount.py new file mode 100644 index 000000000..a2caef214 --- /dev/null +++ b/tests/functional/glusterd/test_get_state_on_brick_unmount.py @@ -0,0 +1,126 @@ +# 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. + +from random import choice + +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_libs import (setup_volume, cleanup_volume,) +from glustolibs.gluster.volume_ops import (get_gluster_state, get_volume_list) +from glustolibs.gluster.brick_libs import get_all_bricks +from glustolibs.gluster.glusterfile import check_if_pattern_in_file + + +@runs_on([['distributed', 'replicated', + 'distributed-replicated', + 'dispersed', 'distributed-dispersed', + 'arbiter', 'distributed-arbiter'], []]) +class TestGetStateOnBrickUnmount(GlusterBaseClass): + """ + Tests to verify 'gluster get state' command on unmounting the brick from + an online volume + """ + + @classmethod + def setUpClass(cls): + + cls.get_super_method(cls, 'setUpClass')() + + ret = cls.validate_peers_are_connected() + if not ret: + raise ExecutionError("Failed to validate peers are in connected") + g.log.info("Successfully validated peers are in connected state") + + def tearDown(self): + + # Mount the bricks which are unmounted as part of test + if getattr(self, 'umount_host', None) and getattr(self, 'umount_brick', + None): + ret, _, _ = g.run(self.umount_host, 'mount -a') + if ret: + raise ExecutionError("Not able to mount unmounted brick on " + "{}".format(self.umount_host)) + + vol_list = get_volume_list(self.mnode) + if vol_list: + for volume in vol_list: + ret = cleanup_volume(self.mnode, volume) + if ret: + g.log.info("Volume deleted successfully %s", volume) + else: + raise ExecutionError( + "Not able to delete volume {}".format(volume)) + + self.get_super_method(self, 'tearDown')() + + def test_get_state_on_brick_unmount(self): + """ + Steps: + 1. Form a gluster cluster by peer probing and create a volume + 2. Unmount the brick using which the volume is created + 3. Run 'gluster get-state' and validate absence of error 'Failed to get + daemon state. Check glusterd log file for more details' + 4. Create another volume and start it using different bricks which are + not used to create above volume + 5. Run 'gluster get-state' and validate the absence of above error. + """ + # Setup Volume + ret = setup_volume(mnode=self.mnode, + all_servers_info=self.all_servers_info, + volume_config=self.volume, create_only=True) + self.assertTrue(ret, "Failed to setup volume {}".format(self.volname)) + g.log.info("Successful in setting up volume %s", self.volname) + + # Select one of the bricks in the volume to unmount + brick_list = get_all_bricks(self.mnode, self.volname) + self.assertIsNotNone(brick_list, ("Not able to get list of bricks " + "of volume %s", self.volname)) + + select_brick = choice(brick_list) + self.umount_host, self.umount_brick = ( + select_brick[0:select_brick.rfind('/')].split(':')) + + # Verify mount entry in /etc/fstab + ret = check_if_pattern_in_file(self.umount_host, + self.umount_brick, '/etc/fstab') + self.assertEqual(ret, 0, "Fail: Brick mount entry is not" + " found in /etc/fstab of {}".format(self.umount_host)) + + # Unmount the selected brick + cmd = 'umount {}'.format(self.umount_brick) + ret, _, _ = g.run(self.umount_host, cmd) + self.assertEqual(0, ret, "Fail: Not able to unmount {} on " + "{}".format(self.umount_brick, self.umount_host)) + + # Run 'gluster get-state' and verify absence of any error + ret = get_gluster_state(self.mnode) + self.assertIsNotNone(ret, "Fail: 'gluster get-state' didn't dump the " + "state of glusterd when {} unmounted from " + "{}".format(self.umount_brick, self.umount_host)) + + # Create another volume + self.volume['name'] = 'second_volume' + ret = setup_volume(self.mnode, self.all_servers_info, self.volume) + self.assertTrue(ret, 'Failed to create and start volume') + g.log.info('Second volume created and started successfully') + + # Run 'gluster get-state' and verify absence of any error after + # creation of second-volume + ret = get_gluster_state(self.mnode) + self.assertIsNotNone(ret, "Fail: 'gluster get-state' didn't dump the " + "state of glusterd ") |