ceph/qa/tasks/cephfs/test_volumes.py
Jos Collin 1bdd75f999
qa/tasks: tests for ls
tests for:
* fs subvolume ls
* 'fs subvolume ls' for non-existent default group
* fs subvolumegroup ls
* 'fs subvolumegroup ls' for not-existent /volume
* fs subvolume snapshot ls
* fs subvolumegroup snapshot ls

Fixes: https://tracker.ceph.com/issues/41842
Signed-off-by: Jos Collin <jcollin@redhat.com>
2019-10-08 11:53:46 +05:30

743 lines
29 KiB
Python

import os
import json
import errno
import random
import logging
import collections
from tasks.cephfs.cephfs_test_case import CephFSTestCase
from teuthology.exceptions import CommandFailedError
log = logging.getLogger(__name__)
class TestVolumes(CephFSTestCase):
TEST_VOLUME_NAME = "fs_test_vol"
TEST_SUBVOLUME_PREFIX="subvolume"
TEST_GROUP_PREFIX="group"
TEST_SNAPSHOT_PREFIX="snapshot"
TEST_FILE_NAME_PREFIX="subvolume_file"
# for filling subvolume with data
CLIENTS_REQUIRED = 1
# io defaults
DEFAULT_FILE_SIZE = 1 # MB
DEFAULT_NUMBER_OF_FILES = 1024
def _fs_cmd(self, *args):
return self.mgr_cluster.mon_manager.raw_cluster_cmd("fs", *args)
def _generate_random_subvolume_name(self):
return "{0}_{1}".format(TestVolumes.TEST_SUBVOLUME_PREFIX, random.randint(0, 10000))
def _generate_random_group_name(self):
return "{0}_{1}".format(TestVolumes.TEST_GROUP_PREFIX, random.randint(0, 100))
def _generate_random_snapshot_name(self):
return "{0}_{1}".format(TestVolumes.TEST_SNAPSHOT_PREFIX, random.randint(0, 100))
def _enable_multi_fs(self):
self._fs_cmd("flag", "set", "enable_multiple", "true", "--yes-i-really-mean-it")
def _create_or_reuse_test_volume(self):
result = json.loads(self._fs_cmd("volume", "ls"))
if len(result) == 0:
self.vol_created = True
self.volname = TestVolumes.TEST_VOLUME_NAME
self._fs_cmd("volume", "create", self.volname)
else:
self.volname = result[0]['name']
def _get_subvolume_group_path(self, vol_name, group_name):
args = ("subvolumegroup", "getpath", vol_name, group_name)
path = self._fs_cmd(*args)
# remove the leading '/', and trailing whitespaces
return path[1:].rstrip()
def _get_subvolume_path(self, vol_name, subvol_name, group_name=None):
args = ["subvolume", "getpath", vol_name, subvol_name]
if group_name:
args.append(group_name)
args = tuple(args)
path = self._fs_cmd(*args)
# remove the leading '/', and trailing whitespaces
return path[1:].rstrip()
def _delete_test_volume(self):
self._fs_cmd("volume", "rm", self.volname, "--yes-i-really-mean-it")
def _do_subvolume_io(self, subvolume, number_of_files=DEFAULT_NUMBER_OF_FILES,
file_size=DEFAULT_FILE_SIZE):
# get subvolume path for IO
subvolpath = self._fs_cmd("subvolume", "getpath", self.volname, subvolume)
self.assertNotEqual(subvolpath, None)
subvolpath = subvolpath[1:].rstrip() # remove "/" prefix and any trailing newline
log.debug("filling subvolume {0} with {1} files each {2}MB size".format(subvolume, number_of_files, file_size))
for i in range(number_of_files):
filename = "{0}.{1}".format(TestVolumes.TEST_FILE_NAME_PREFIX, i)
self.mount_a.write_n_mb(os.path.join(subvolpath, filename), file_size)
def _wait_for_trash_empty(self, timeout=30):
# XXX: construct the trash dir path (note that there is no mgr
# [sub]volume interface for this).
trashdir = os.path.join("./", "volumes", "_deleting")
self.mount_a.wait_for_dir_empty(trashdir)
def setUp(self):
super(TestVolumes, self).setUp()
self.volname = None
self.vol_created = False
self._enable_multi_fs()
self._create_or_reuse_test_volume()
def tearDown(self):
if self.vol_created:
self._delete_test_volume()
super(TestVolumes, self).tearDown()
def test_volume_rm(self):
try:
self._fs_cmd("volume", "rm", self.volname)
except CommandFailedError as ce:
if ce.exitstatus != errno.EPERM:
raise RuntimeError("expected the 'fs volume rm' command to fail with EPERM, "
"but it failed with {0}".format(ce.exitstatus))
else:
self._fs_cmd("volume", "rm", self.volname, "--yes-i-really-mean-it")
#check if it's gone
volumes = json.loads(self.mgr_cluster.mon_manager.raw_cluster_cmd('fs', 'volume', 'ls', '--format=json-pretty'))
if (self.volname in [volume['name'] for volume in volumes]):
raise RuntimeError("Expected the 'fs volume rm' command to succeed. The volume {0} not removed.".format(self.volname))
else:
raise RuntimeError("expected the 'fs volume rm' command to fail.")
### basic subvolume operations
def test_subvolume_create_and_rm(self):
# create subvolume
subvolume = self._generate_random_subvolume_name()
self._fs_cmd("subvolume", "create", self.volname, subvolume)
# make sure it exists
subvolpath = self._fs_cmd("subvolume", "getpath", self.volname, subvolume)
self.assertNotEqual(subvolpath, None)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume)
# make sure its gone
try:
self._fs_cmd("subvolume", "getpath", self.volname, subvolume)
except CommandFailedError as ce:
if ce.exitstatus != errno.ENOENT:
raise
# verify trash dir is clean
self._wait_for_trash_empty()
def test_subvolume_create_idempotence(self):
# create subvolume
subvolume = self._generate_random_subvolume_name()
self._fs_cmd("subvolume", "create", self.volname, subvolume)
# try creating w/ same subvolume name -- should be idempotent
self._fs_cmd("subvolume", "create", self.volname, subvolume)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume)
# verify trash dir is clean
self._wait_for_trash_empty()
def test_subvolume_create_with_invalid_data_pool_layout(self):
subvolume = self._generate_random_subvolume_name()
data_pool = "invalid_pool"
# create subvolume with invalid data pool layout
try:
self._fs_cmd("subvolume", "create", self.volname, subvolume, "--pool_layout", data_pool)
except CommandFailedError as ce:
if ce.exitstatus != errno.EINVAL:
raise
else:
raise
# clean up
self._fs_cmd("subvolume", "rm", self.volname, subvolume, "--force")
def test_subvolume_create_with_auto_cleanup_on_fail(self):
subvolume = self._generate_random_subvolume_name()
data_pool = "invalid_pool"
# create subvolume with invalid data pool layout fails
with self.assertRaises(CommandFailedError):
self._fs_cmd("subvolume", "create", self.volname, subvolume, "--pool_layout", data_pool)
# check whether subvol path is cleaned up
try:
self._fs_cmd("subvolume", "getpath", self.volname, subvolume)
except CommandFailedError as ce:
if ce.exitstatus != errno.ENOENT:
raise
else:
raise
def test_subvolume_create_with_invalid_size(self):
# create subvolume with an invalid size -1
subvolume = self._generate_random_subvolume_name()
try:
self._fs_cmd("subvolume", "create", self.volname, subvolume, "--size", "-1")
except CommandFailedError as ce:
if ce.exitstatus != errno.EINVAL:
raise
else:
raise RuntimeError("expected the 'fs subvolume create' command to fail")
def test_nonexistent_subvolume_rm(self):
# remove non-existing subvolume
subvolume = "non_existent_subvolume"
# try, remove subvolume
try:
self._fs_cmd("subvolume", "rm", self.volname, subvolume)
except CommandFailedError as ce:
if ce.exitstatus != errno.ENOENT:
raise
# force remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume, "--force")
def test_nonexistent_subvolume_group_create(self):
subvolume = self._generate_random_subvolume_name()
group = "non_existent_group"
# try, creating subvolume in a nonexistent group
try:
self._fs_cmd("subvolume", "create", self.volname, subvolume, "--group_name", group)
except CommandFailedError as ce:
if ce.exitstatus != errno.ENOENT:
raise
def test_default_uid_gid_subvolume(self):
subvolume = self._generate_random_subvolume_name()
expected_uid = 0
expected_gid = 0
# create subvolume
self._fs_cmd("subvolume", "create", self.volname, subvolume)
subvol_path = self._get_subvolume_path(self.volname, subvolume)
# check subvolume's uid and gid
stat = self.mount_a.stat(subvol_path)
self.assertEqual(stat['st_uid'], expected_uid)
self.assertEqual(stat['st_gid'], expected_gid)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume)
def test_subvolume_ls(self):
# tests the 'fs subvolume ls' command
subvolumes = []
# create subvolumes
for i in range(3):
svname = self._generate_random_subvolume_name()
self._fs_cmd("subvolume", "create", self.volname, svname)
subvolumes.append(svname)
# list subvolumes
subvolumels = json.loads(self._fs_cmd('subvolume', 'ls', self.volname))
if len(subvolumels) == 0:
raise RuntimeError("Expected the 'fs subvolume ls' command to list the created subvolumes.")
else:
subvolnames = [subvolume['name'] for subvolume in subvolumels]
if collections.Counter(subvolnames) != collections.Counter(subvolumes):
raise RuntimeError("Error creating or listing subvolumes")
def test_subvolume_ls_for_notexistent_default_group(self):
# tests the 'fs subvolume ls' command when the default group '_nogroup' doesn't exist
# prerequisite: we expect that the volume is created and the default group _nogroup is
# NOT created (i.e. a subvolume without group is not created)
# list subvolumes
subvolumels = json.loads(self._fs_cmd('subvolume', 'ls', self.volname))
if len(subvolumels) > 0:
raise RuntimeError("Expected the 'fs subvolume ls' command to output an empty list.")
### subvolume group operations
def test_subvolume_create_and_rm_in_group(self):
subvolume = self._generate_random_subvolume_name()
group = self._generate_random_group_name()
# create group
self._fs_cmd("subvolumegroup", "create", self.volname, group)
# create subvolume in group
self._fs_cmd("subvolume", "create", self.volname, subvolume, "--group_name", group)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume, group)
# verify trash dir is clean
self._wait_for_trash_empty()
# remove group
self._fs_cmd("subvolumegroup", "rm", self.volname, group)
def test_subvolume_group_create_with_desired_data_pool_layout(self):
group1 = self._generate_random_group_name()
group2 = self._generate_random_group_name()
# create group
self._fs_cmd("subvolumegroup", "create", self.volname, group1)
group1_path = self._get_subvolume_group_path(self.volname, group1)
default_pool = self.mount_a.getfattr(group1_path, "ceph.dir.layout.pool")
new_pool = "new_pool"
self.assertNotEqual(default_pool, new_pool)
# add data pool
self.fs.add_data_pool(new_pool)
# create group specifying the new data pool as its pool layout
self._fs_cmd("subvolumegroup", "create", self.volname, group2,
"--pool_layout", new_pool)
group2_path = self._get_subvolume_group_path(self.volname, group2)
desired_pool = self.mount_a.getfattr(group2_path, "ceph.dir.layout.pool")
self.assertEqual(desired_pool, new_pool)
self._fs_cmd("subvolumegroup", "rm", self.volname, group1)
self._fs_cmd("subvolumegroup", "rm", self.volname, group2)
def test_subvolume_group_create_with_invalid_data_pool_layout(self):
group = self._generate_random_group_name()
data_pool = "invalid_pool"
# create group with invalid data pool layout
try:
self._fs_cmd("subvolumegroup", "create", self.volname, group, "--pool_layout", data_pool)
except CommandFailedError as ce:
if ce.exitstatus != errno.EINVAL:
raise
else:
raise
# clean up
self._fs_cmd("subvolumegroup", "rm", self.volname, group, "--force")
def test_subvolume_group_create_with_auto_cleanup_on_fail(self):
group = self._generate_random_group_name()
data_pool = "invalid_pool"
# create group with invalid data pool layout
with self.assertRaises(CommandFailedError):
self._fs_cmd("subvolumegroup", "create", self.volname, group, "--pool_layout", data_pool)
# check whether group path is cleaned up
try:
self._fs_cmd("subvolumegroup", "getpath", self.volname, group)
except CommandFailedError as ce:
if ce.exitstatus != errno.ENOENT:
raise
else:
raise
def test_subvolume_create_with_desired_data_pool_layout_in_group(self):
subvol1 = self._generate_random_subvolume_name()
subvol2 = self._generate_random_subvolume_name()
group = self._generate_random_group_name()
# create group. this also helps set default pool layout for subvolumes
# created within the group.
self._fs_cmd("subvolumegroup", "create", self.volname, group)
# create subvolume in group.
self._fs_cmd("subvolume", "create", self.volname, subvol1, "--group_name", group)
subvol1_path = self._get_subvolume_path(self.volname, subvol1, group_name=group)
default_pool = self.mount_a.getfattr(subvol1_path, "ceph.dir.layout.pool")
new_pool = "new_pool"
self.assertNotEqual(default_pool, new_pool)
# add data pool
self.fs.add_data_pool(new_pool)
# create subvolume specifying the new data pool as its pool layout
self._fs_cmd("subvolume", "create", self.volname, subvol2, "--group_name", group,
"--pool_layout", new_pool)
subvol2_path = self._get_subvolume_path(self.volname, subvol2, group_name=group)
desired_pool = self.mount_a.getfattr(subvol2_path, "ceph.dir.layout.pool")
self.assertEqual(desired_pool, new_pool)
self._fs_cmd("subvolume", "rm", self.volname, subvol2, group)
self._fs_cmd("subvolume", "rm", self.volname, subvol1, group)
self._fs_cmd("subvolumegroup", "rm", self.volname, group)
def test_subvolume_group_create_with_desired_mode(self):
group1 = self._generate_random_group_name()
group2 = self._generate_random_group_name()
# default mode
expected_mode1 = "755"
# desired mode
expected_mode2 = "777"
# create group
self._fs_cmd("subvolumegroup", "create", self.volname, group1)
self._fs_cmd("subvolumegroup", "create", self.volname, group2, "--mode", "777")
group1_path = self._get_subvolume_group_path(self.volname, group1)
group2_path = self._get_subvolume_group_path(self.volname, group2)
# check group's mode
actual_mode1 = self.mount_a.run_shell(['stat', '-c' '%a', group1_path]).stdout.getvalue().strip()
actual_mode2 = self.mount_a.run_shell(['stat', '-c' '%a', group2_path]).stdout.getvalue().strip()
self.assertEqual(actual_mode1, expected_mode1)
self.assertEqual(actual_mode2, expected_mode2)
self._fs_cmd("subvolumegroup", "rm", self.volname, group1)
self._fs_cmd("subvolumegroup", "rm", self.volname, group2)
def test_subvolume_create_with_desired_mode_in_group(self):
subvol1 = self._generate_random_subvolume_name()
subvol2 = self._generate_random_subvolume_name()
subvol3 = self._generate_random_subvolume_name()
group = self._generate_random_group_name()
# default mode
expected_mode1 = "755"
# desired mode
expected_mode2 = "777"
# create group
self._fs_cmd("subvolumegroup", "create", self.volname, group)
# create subvolume in group
self._fs_cmd("subvolume", "create", self.volname, subvol1, "--group_name", group)
self._fs_cmd("subvolume", "create", self.volname, subvol2, "--group_name", group, "--mode", "777")
# check whether mode 0777 also works
self._fs_cmd("subvolume", "create", self.volname, subvol3, "--group_name", group, "--mode", "0777")
subvol1_path = self._get_subvolume_path(self.volname, subvol1, group_name=group)
subvol2_path = self._get_subvolume_path(self.volname, subvol2, group_name=group)
subvol3_path = self._get_subvolume_path(self.volname, subvol3, group_name=group)
# check subvolume's mode
actual_mode1 = self.mount_a.run_shell(['stat', '-c' '%a', subvol1_path]).stdout.getvalue().strip()
actual_mode2 = self.mount_a.run_shell(['stat', '-c' '%a', subvol2_path]).stdout.getvalue().strip()
actual_mode3 = self.mount_a.run_shell(['stat', '-c' '%a', subvol3_path]).stdout.getvalue().strip()
self.assertEqual(actual_mode1, expected_mode1)
self.assertEqual(actual_mode2, expected_mode2)
self.assertEqual(actual_mode3, expected_mode2)
self._fs_cmd("subvolume", "rm", self.volname, subvol1, group)
self._fs_cmd("subvolume", "rm", self.volname, subvol2, group)
self._fs_cmd("subvolume", "rm", self.volname, subvol3, group)
self._fs_cmd("subvolumegroup", "rm", self.volname, group)
def test_nonexistent_subvolme_group_rm(self):
group = "non_existent_group"
# try, remove subvolume group
try:
self._fs_cmd("subvolumegroup", "rm", self.volname, group)
except CommandFailedError as ce:
if ce.exitstatus != errno.ENOENT:
raise
# force remove subvolume
self._fs_cmd("subvolumegroup", "rm", self.volname, group, "--force")
def test_default_uid_gid_subvolume_group(self):
group = self._generate_random_group_name()
expected_uid = 0
expected_gid = 0
# create group
self._fs_cmd("subvolumegroup", "create", self.volname, group)
group_path = self._get_subvolume_group_path(self.volname, group)
# check group's uid and gid
stat = self.mount_a.stat(group_path)
self.assertEqual(stat['st_uid'], expected_uid)
self.assertEqual(stat['st_gid'], expected_gid)
# remove group
self._fs_cmd("subvolumegroup", "rm", self.volname, group)
def test_subvolume_group_ls(self):
# tests the 'fs subvolumegroup ls' command
subvolumegroups = []
#create subvolumegroups
for i in range(3):
groupname = self._generate_random_group_name()
self._fs_cmd("subvolumegroup", "create", self.volname, groupname)
subvolumegroups.append(groupname)
subvolumegroupls = json.loads(self._fs_cmd('subvolumegroup', 'ls', self.volname))
if len(subvolumegroupls) == 0:
raise RuntimeError("Expected the 'fs subvolumegroup ls' command to list the created subvolume groups")
else:
subvolgroupnames = [subvolumegroup['name'] for subvolumegroup in subvolumegroupls]
if collections.Counter(subvolgroupnames) != collections.Counter(subvolumegroups):
raise RuntimeError("Error creating or listing subvolume groups")
def test_subvolume_group_ls_for_nonexistent_volume(self):
# tests the 'fs subvolumegroup ls' command when /volume doesn't exist
# prerequisite: we expect that the test volume is created and a subvolumegroup is NOT created
# list subvolume groups
subvolumegroupls = json.loads(self._fs_cmd('subvolumegroup', 'ls', self.volname))
if len(subvolumegroupls) > 0:
raise RuntimeError("Expected the 'fs subvolumegroup ls' command to output an empty list")
### snapshot operations
def test_subvolume_snapshot_create_and_rm(self):
subvolume = self._generate_random_subvolume_name()
snapshot = self._generate_random_snapshot_name()
# create subvolume
self._fs_cmd("subvolume", "create", self.volname, subvolume)
# snapshot subvolume
self._fs_cmd("subvolume", "snapshot", "create", self.volname, subvolume, snapshot)
# remove snapshot
self._fs_cmd("subvolume", "snapshot", "rm", self.volname, subvolume, snapshot)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume)
# verify trash dir is clean
self._wait_for_trash_empty()
def test_subvolume_snapshot_create_idempotence(self):
subvolume = self._generate_random_subvolume_name()
snapshot = self._generate_random_snapshot_name()
# create subvolume
self._fs_cmd("subvolume", "create", self.volname, subvolume)
# snapshot subvolume
self._fs_cmd("subvolume", "snapshot", "create", self.volname, subvolume, snapshot)
# try creating w/ same subvolume snapshot name -- should be idempotent
self._fs_cmd("subvolume", "snapshot", "create", self.volname, subvolume, snapshot)
# remove snapshot
self._fs_cmd("subvolume", "snapshot", "rm", self.volname, subvolume, snapshot)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume)
# verify trash dir is clean
self._wait_for_trash_empty()
def test_nonexistent_subvolume_snapshot_rm(self):
subvolume = self._generate_random_subvolume_name()
snapshot = self._generate_random_snapshot_name()
# create subvolume
self._fs_cmd("subvolume", "create", self.volname, subvolume)
# snapshot subvolume
self._fs_cmd("subvolume", "snapshot", "create", self.volname, subvolume, snapshot)
# remove snapshot
self._fs_cmd("subvolume", "snapshot", "rm", self.volname, subvolume, snapshot)
# remove snapshot again
try:
self._fs_cmd("subvolume", "snapshot", "rm", self.volname, subvolume, snapshot)
except CommandFailedError as ce:
if ce.exitstatus != errno.ENOENT:
raise
# force remove snapshot
self._fs_cmd("subvolume", "snapshot", "rm", self.volname, subvolume, snapshot, "--force")
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume)
# verify trash dir is clean
self._wait_for_trash_empty()
def test_subvolume_snapshot_in_group(self):
subvolume = self._generate_random_subvolume_name()
group = self._generate_random_group_name()
snapshot = self._generate_random_snapshot_name()
# create group
self._fs_cmd("subvolumegroup", "create", self.volname, group)
# create subvolume in group
self._fs_cmd("subvolume", "create", self.volname, subvolume, "--group_name", group)
# snapshot subvolume in group
self._fs_cmd("subvolume", "snapshot", "create", self.volname, subvolume, snapshot, group)
# remove snapshot
self._fs_cmd("subvolume", "snapshot", "rm", self.volname, subvolume, snapshot, group)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume, group)
# verify trash dir is clean
self._wait_for_trash_empty()
# remove group
self._fs_cmd("subvolumegroup", "rm", self.volname, group)
def test_subvolume_snapshot_ls(self):
# tests the 'fs subvolume snapshot ls' command
snapshots = []
# create subvolume
subvolume = self._generate_random_subvolume_name()
self._fs_cmd("subvolume", "create", self.volname, subvolume)
# create subvolume snapshots
for i in range(3):
sname = self._generate_random_snapshot_name()
self._fs_cmd("subvolume", "snapshot", "create", self.volname, subvolume, sname)
snapshots.append(sname)
subvolsnapshotls = json.loads(self._fs_cmd('subvolume', 'snapshot', 'ls', self.volname, subvolume))
if len(subvolsnapshotls) == 0:
raise RuntimeError("Expected the 'fs subvolume snapshot ls' command to list the created subvolume snapshots")
else:
snapshotnames = [snapshot['name'] for snapshot in subvolsnapshotls]
if collections.Counter(snapshotnames) != collections.Counter(snapshots):
raise RuntimeError("Error creating or listing subvolume snapshots")
def test_subvolume_group_snapshot_create_and_rm(self):
subvolume = self._generate_random_subvolume_name()
group = self._generate_random_group_name()
snapshot = self._generate_random_snapshot_name()
# create group
self._fs_cmd("subvolumegroup", "create", self.volname, group)
# create subvolume in group
self._fs_cmd("subvolume", "create", self.volname, subvolume, "--group_name", group)
# snapshot group
self._fs_cmd("subvolumegroup", "snapshot", "create", self.volname, group, snapshot)
# remove snapshot
self._fs_cmd("subvolumegroup", "snapshot", "rm", self.volname, group, snapshot)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume, group)
# verify trash dir is clean
self._wait_for_trash_empty()
# remove group
self._fs_cmd("subvolumegroup", "rm", self.volname, group)
def test_subvolume_group_snapshot_idempotence(self):
subvolume = self._generate_random_subvolume_name()
group = self._generate_random_group_name()
snapshot = self._generate_random_snapshot_name()
# create group
self._fs_cmd("subvolumegroup", "create", self.volname, group)
# create subvolume in group
self._fs_cmd("subvolume", "create", self.volname, subvolume, "--group_name", group)
# snapshot group
self._fs_cmd("subvolumegroup", "snapshot", "create", self.volname, group, snapshot)
# try creating snapshot w/ same snapshot name -- shoule be idempotent
self._fs_cmd("subvolumegroup", "snapshot", "create", self.volname, group, snapshot)
# remove snapshot
self._fs_cmd("subvolumegroup", "snapshot", "rm", self.volname, group, snapshot)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume, group)
# verify trash dir is clean
self._wait_for_trash_empty()
# remove group
self._fs_cmd("subvolumegroup", "rm", self.volname, group)
def test_nonexistent_subvolume_group_snapshot_rm(self):
subvolume = self._generate_random_subvolume_name()
group = self._generate_random_group_name()
snapshot = self._generate_random_snapshot_name()
# create group
self._fs_cmd("subvolumegroup", "create", self.volname, group)
# create subvolume in group
self._fs_cmd("subvolume", "create", self.volname, subvolume, "--group_name", group)
# snapshot group
self._fs_cmd("subvolumegroup", "snapshot", "create", self.volname, group, snapshot)
# remove snapshot
self._fs_cmd("subvolumegroup", "snapshot", "rm", self.volname, group, snapshot)
# remove snapshot
try:
self._fs_cmd("subvolumegroup", "snapshot", "rm", self.volname, group, snapshot)
except CommandFailedError as ce:
if ce.exitstatus != errno.ENOENT:
raise
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume, group)
# verify trash dir is clean
self._wait_for_trash_empty()
# remove group
self._fs_cmd("subvolumegroup", "rm", self.volname, group)
def test_subvolume_group_snapshot_ls(self):
# tests the 'fs subvolumegroup snapshot ls' command
snapshots = []
# create group
group = self._generate_random_group_name()
self._fs_cmd("subvolumegroup", "create", self.volname, group)
# create subvolumegroup snapshots
for i in range(3):
sname = self._generate_random_snapshot_name()
self._fs_cmd("subvolumegroup", "snapshot", "create", self.volname, group, sname)
snapshots.append(sname)
subvolgrpsnapshotls = json.loads(self._fs_cmd('subvolumegroup', 'snapshot', 'ls', self.volname, group))
if len(subvolgrpsnapshotls) == 0:
raise RuntimeError("Expected the 'fs subvolumegroup snapshot ls' command to list the created subvolume group snapshots")
else:
snapshotnames = [snapshot['name'] for snapshot in subvolgrpsnapshotls]
if collections.Counter(snapshotnames) != collections.Counter(snapshots):
raise RuntimeError("Error creating or listing subvolume group snapshots")
def test_async_subvolume_rm(self):
subvolume = self._generate_random_subvolume_name()
# create subvolume
self._fs_cmd("subvolume", "create", self.volname, subvolume)
# fill subvolume w/ some data
self._do_subvolume_io(subvolume)
self.mount_a.umount_wait()
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume)
self.mount_a.mount()
# verify trash dir is clean
self._wait_for_trash_empty()