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device-mapper-persistent-data/tests/functions_test/dmpd_functions.py

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#!/usr/bin/python
# Copyright (c) 2017 Red Hat, Inc. All rights reserved. This copyrighted material
# is made available to anyone wishing to use, modify, copy, or
# redistribute it subject to the terms and conditions of the GNU General
# Public License v.2.
#
# 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, see http://www.gnu.org/licenses/.
#
# Author: Jakub Krysl <jkrysl@redhat.com>
import sys, os
sys.path.append(os.path.abspath("dmpd_library.py"))
from dmpd_library import *
def thin_init(args):
# Create thin pool with LVs
print("INFO: Initializing test case")
errors = []
atomic_run("Creating loopdev",
name=args["loop1"],
size=args["loop1_size"],
command=loopdev.create_loopdev,
errors=errors)
atomic_run("Creating VG",
vg_name=args["group"],
pv_name="/dev/" + args["loop1"],
command=lvm.vg_create,
errors=errors)
atomic_run("Creating thin pool",
vg_name=args["group"],
lv_name=args["pool"],
options=["-T", "-L 1500"],
command=lvm.lv_create,
errors=errors)
# create few LVs to increase transaction ID and be able to do thin_delta
for i in range(args["number of vols"]):
atomic_run("Creating thin LV No. %s" % i,
vg_name=args["group"] + "/" + args["pool"],
lv_name=args["vol"] + str(i),
options=["-T", "-V 300"],
command=lvm.lv_create,
errors=errors)
atomic_run("Creating filesystem on LV No. %s" % i,
vg_name=args["group"],
lv_name=args["vol"] + str(i),
command=create_filesystem,
errors=errors)
atomic_run("Creating metadata snapshot",
lv_name=args["pool"],
vg_name=args["group"],
command=metadata_snapshot,
errors=errors)
atomic_run("Creating swap LV",
vg_name=args["group"],
lv_name=args["swap"],
options=["-L 300"],
command=lvm.lv_create,
errors=errors)
atomic_run("Deactivating swap",
lv_name=args["swap"],
vg_name=args["group"],
command=lvm.lv_deactivate,
errors=errors)
atomic_run("Deactivating pool",
lv_name=args["pool"],
vg_name=args["group"],
command=lvm.lv_deactivate,
errors=errors)
for i in range(args["number of vols"]):
atomic_run("Deactivating thin LV No. %s" % i,
lv_name=args["vol"] + str(i),
vg_name=args["group"],
command=lvm.lv_deactivate,
errors=errors)
atomic_run("Swapping metadata",
vg_name=args["group"],
lv_name=args["swap"],
options=["-y", "--thinpool " + args["group"] + "/" + args["pool"],
"--poolmetadata "],
command=lvm.lv_convert,
errors=errors)
atomic_run("Activating swap",
lv_name=args["swap"],
vg_name=args["group"],
command=lvm.lv_activate,
errors=errors)
if len(errors) == 0:
TC.tpass("Initialization passed")
else:
TC.tfail("Initialization failed with following errors: \n\t'" +
"\n\t ".join([str(i) for i in errors]))
return 1
return 0
def thin_clean(args):
print("INFO: Cleaning up")
errors = []
# restoring metadata device in case it is corrupted
atomic_run("Repairing metadata device",
source_file="/tmp/metadata",
target_vg=args["group"],
target_lv=args["swap"],
quiet=True,
command=dmpd.thin_restore,
errors=errors)
# thinpool got activated after checking its metadata to get bad checksum
atomic_run("Deactivating pool",
lv_name=args["pool"],
vg_name=args["group"],
command=lvm.lv_deactivate,
errors=errors)
atomic_run("Deactivating swap",
lv_name=args["swap"],
vg_name=args["group"],
command=lvm.lv_deactivate,
errors=errors)
atomic_run("Swapping back metadata",
vg_name=args["group"],
lv_name=args["swap"],
options=["-y", "--thinpool " + args["group"] + "/" + args["pool"],
"--poolmetadata "],
command=lvm.lv_convert,
errors=errors)
atomic_run("Removing swap",
lv_name=args["swap"],
vg_name=args["group"],
command=lvm.lv_remove,
errors=errors)
atomic_run("Removing thinpool",
lv_name=args["pool"],
vg_name=args["group"],
command=lvm.lv_remove,
errors=errors)
atomic_run("Removing VG",
vg_name=args["group"],
force=True,
command=lvm.vg_remove,
errors=errors)
atomic_run("Deleting loopdev",
name=args["loop1"],
command=loopdev.delete_loopdev,
errors=errors)
atomic_run("Deleting metadata file",
cmd="rm -f /tmp/metadata",
command=run,
errors=errors)
atomic_run("Deleting repair metadata file",
cmd="rm -f /tmp/metadata_repair",
command=run,
errors=errors)
atomic_run("Deleting snapshot metadata file",
cmd="rm -f /tmp/metadata_snap",
command=run,
errors=errors)
if len(errors) == 0:
TC.tpass("Cleanup passed")
else:
TC.tfail("Cleanup failed with following errors: \n\t'" +
"\n\t ".join([str(i) for i in errors]))
print(errors)
return 1
return 0
def thin_test(args):
print("\n#######################################\n")
print(
"INFO: Testing thin tools runtime provided by device_mapper_persistent_data")
errors = []
atomic_run("Checking metadata",
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.thin_check,
errors=errors)
atomic_run("Checking metadata with few paramethers",
source_vg=args["group"],
source_lv=args["swap"],
super_block_only=True,
skip_mappings=True,
ignore_non_fatal_errors=True,
command=dmpd.thin_check,
errors=errors)
atomic_run("Listing information about thin LVs",
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.thin_ls,
errors=errors)
atomic_run("Listing information about thin LVs without headers",
source_vg=args["group"],
source_lv=args["swap"],
no_headers=True,
command=dmpd.thin_ls,
errors=errors)
# Not yet in Fedora 26, shoud be in F27
#atomic_run("Dumping metadata to standard output without mappings",
# formatting="human_readable",
# source_vg=args["group"],
# source_lv=args["swap"],
# skip_mappings=True,
# command=dmpd.thin_dump,
# errors=errors)
atomic_run("Dumping metadata to standard output",
formatting="human_readable",
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.thin_dump,
errors=errors)
atomic_run("Dumping metadata to standard output from snapshot",
formatting="human_readable",
source_vg=args["group"],
source_lv=args["swap"],
snapshot=True,
command=dmpd.thin_dump,
errors=errors)
# Not yet in Fedora 26, shoud be in F27
#atomic_run("Dumping metadata with dev-id",
# formatting="human_readable",
# source_vg=args["group"],
# source_lv=args["swap"],
# dev_id=args["number of vols"] - 1,
# command=dmpd.thin_dump,
# errors=errors)
atomic_run("Calculating metadata size for pool of 64k blocks and 100M size",
cmd="thin_metadata_size -b64k -s100m -m1 -um",
command=run,
errors=errors)
atomic_run("Calculating metadata size for pool of 64k blocks and 100M size",
cmd="thin_metadata_size -b64k -s100m -m1 -um -n",
command=run,
errors=errors)
atomic_run("Calculating metadata size for pool of 64k blocks and 100M size",
cmd="thin_metadata_size -b64k -s100m -m1 -um -nlong",
command=run,
errors=errors)
atomic_run("Calculating metadata size for pool of 64k blocks and 100M size",
cmd="thin_metadata_size -b64k -s100m -m1 -um -nshort",
command=run,
errors=errors)
atomic_run("Outputting reverse map of metadata device with negative number in region",
False,
source_vg=args["group"],
source_lv=args["swap"],
region="0..-1",
command=dmpd.thin_rmap,
errors=errors)
# this fails now and it should not
# atomic_run("Discarding free space of pool",
# target_vg=args["group"],
# target_lv=args["swap"],
# command=dmpd.thin_trim,
# errors=errors)
atomic_run("Dumping metadata to file",
formatting="xml",
source_vg=args["group"],
source_lv=args["swap"],
repair=True,
output="/tmp/metadata",
command=dmpd.thin_dump,
errors=errors)
atomic_run("Dumping metadata to file from snapshot",
formatting="xml",
source_vg=args["group"],
source_lv=args["swap"],
snapshot=True,
output="/tmp/metadata_snap",
command=dmpd.thin_dump,
errors=errors)
atomic_run("Getting differences between thin LVs",
source_vg=args["group"],
source_lv=args["swap"],
thin1=1,
thin2=args["number of vols"] - 1,
snapshot=True,
command=dmpd.thin_delta,
errors=errors)
atomic_run("Getting differences between thin LVs with --verbose",
source_vg=args["group"],
source_lv=args["swap"],
thin1=1,
thin2=args["number of vols"] - 1,
verbosity=True,
snapshot=True,
command=dmpd.thin_delta,
errors=errors)
atomic_run("Getting differences between the same LV",
source_vg=args["group"],
source_lv=args["swap"],
thin1=1,
thin2=1,
snapshot=True,
command=dmpd.thin_delta,
errors=errors)
atomic_run("Getting differences between the same LV with --verbose",
source_vg=args["group"],
source_lv=args["swap"],
thin1=1,
thin2=1,
verbosity=True,
snapshot=True,
command=dmpd.thin_delta,
errors=errors)
atomic_run("Listing metadata output from snapshot",
source_vg=args["group"],
source_lv=args["swap"],
snapshot=True,
command=dmpd.thin_ls,
errors=errors)
# Need to run everything on snapshot before this as thin_restore removes the metadata snapshot
# This should work but is not working due to a bug
#atomic_run("Restoring metadata",
# source_file="/tmp/metadata_snap",
# target_vg=args["group"],
# target_lv=args["swap"],
# command=dmpd.thin_restore,
# errors=errors)
atomic_run("Restoring metadata",
source_file="/tmp/metadata",
target_vg=args["group"],
target_lv=args["swap"],
command=dmpd.thin_restore,
errors=errors)
# Repairing from non-binary file leads to segmentation fault
#atomic_run("Repairing metadata from file",
# source_file="/tmp/metadata",
# target_vg=args["group"],
# target_lv=args["swap"],
# command=dmpd.thin_repair,
# errors=errors)
atomic_run("Repairing metadata to file",
target_file="/tmp/metadata_repair",
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.thin_repair,
errors=errors)
atomic_run("Repairing metadata from file",
source_file="/tmp/metadata_repair",
target_vg=args["group"],
target_lv=args["swap"],
command=dmpd.thin_repair,
errors=errors)
atomic_run("Checking metadata",
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.thin_check,
errors=errors)
print("\n#######################################\n")
if len(errors) == 0:
TC.tpass("Testing thin tools of device_mapper_persistent_data passed")
else:
TC.tfail("Testing thin tools of device_mapper_persistent_data failed with following errors: \n\t'" +
"\n\t ".join([str(i) for i in errors]))
return 1
return 0
def thin_errors_test(args):
print("\n#######################################\n")
print(
"INFO: Testing thin tools errors provided by device_mapper_persistent_data")
errors = []
# "thin_show_duplicates" does not work yet
functions = ["thin_check", "thin_delta", "thin_dump", "thin_ls", "thin_metadata_size", "thin_repair",
"thin_restore", "thin_rmap", "thin_trim"]
# Sanity to check for missing input
for func in functions:
atomic_run("Validating missing input",
False,
cmd=func,
command=run,
errors=errors)
# Sanity to check with wrong input
for func in functions:
atomic_run("Validating wrong input",
False,
cmd=func + " wrong",
command=run,
errors=errors)
# Sanity to check with wrong option
for func in functions:
atomic_run("Validating wrong option",
False,
cmd=func + " -wrong",
command=run,
errors=errors)
# Sanity to check present functions with -h
for func in functions:
atomic_run("Checking help of command",
cmd=func,
command=dmpd.get_help,
errors=errors)
# Sanity to check present functions with -V
for func in functions:
# thin_metadata_size has wrong return value
if func == "thin_metadata_size":
continue
atomic_run("Checking version of command",
cmd=func,
command=dmpd.get_version,
errors=errors)
atomic_run("Checking original pool metadata, should fail",
False,
source_vg=args["group"],
source_lv=args["pool"],
command=dmpd.thin_check,
errors=errors)
atomic_run("Listing information about thin LVs",
False,
cmd="thin_ls /dev/mapper/%s-%s --format \"WRONG\"" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Checking thin_metadata_size inputs",
False,
cmd="thin_metadata_size -b 64",
command=run,
errors=errors)
atomic_run("Checking thin_metadata_size inputs",
False,
cmd="thin_metadata_size -b 64 -s 128",
command=run,
errors=errors)
atomic_run("Checking thin_metadata_size inputs",
False,
cmd="thin_metadata_size -b 25 -s 128 -m 10",
command=run,
errors=errors)
atomic_run("Checking thin_metadata_size inputs",
False,
cmd="thin_metadata_size -b 128 -s 64 -m 10",
command=run,
errors=errors)
atomic_run("Checking thin_metadata_size inputs",
False,
cmd="thin_metadata_size -u h",
command=run,
errors=errors)
atomic_run("Checking thin_metadata_size inputs",
False,
cmd="thin_metadata_size -n -n",
command=run,
errors=errors)
atomic_run("Checking thin_metadata_size inputs",
False,
cmd="thin_metadata_size -nlongshort",
command=run,
errors=errors)
atomic_run("Checking thin_metadata_size inputs",
False,
cmd="thin_metadata_size -b 128 -b 64",
command=run,
errors=errors)
atomic_run("Repairing metadata without output",
False,
cmd="thin_repair -i /tmp/metadata_repair",
command=run,
errors=errors)
atomic_run("Dumping metadata with wrong custom format",
False,
cmd="thin_dump /dev/mapper/%s-%s --format custom=wrong" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Dumping metadata with unknown format",
False,
cmd="thin_dump /dev/mapper/%s-%s --format wrong" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Dumping metadata with wrong dev-id",
False,
cmd="thin_dump /dev/mapper/%s-%s --dev-id wrong" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Repairing metadata to produce 'output file does not exist' error",
False,
cmd="thin_repair -i /dev/mapper/%s-%s -o /tmp/wrong.wrong" %
(args['group'], args['swap']),
command=run,
errors=errors)
atomic_run("Repairing metadata to produce 'output file too small' error",
False,
cmd="thin_repair -i /tmp/metadata -o /tmp/metadata",
command=run,
errors=errors)
# This does not fail now due to a bug
#atomic_run("Outputting reverse map of metadata device, should fail without region",
# cmd="thin_rmap /dev/mapper/%s-%s" % (args["group"], args["swap"]),
# command=run,
# errors=errors)
atomic_run("Outputting reverse map of metadata device with wrong region",
False,
cmd="thin_rmap /dev/mapper/%s-%s --region 0..0" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Outputting reverse map of metadata device with wrong region",
False,
cmd="thin_rmap /dev/mapper/%s-%s --region 0...1" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Outputting reverse map of metadata device with wrong region",
False,
cmd="thin_rmap /dev/mapper/%s-%s --region 00" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Outputting reverse map of metadata device with wrong device",
False,
cmd="thin_rmap --region 0..-1 /tmp/wrong.wrong",
command=run,
errors=errors)
# Reverse mapping from bad file leads to segmentation fault
#atomic_run("Outputting reverse map of metadata device with wrong device",
# False,
# cmd="thin_rmap --region 0..-1 /tmp/metadata",
# command=run,
# errors=errors)
atomic_run("Getting differences with thin1 ID out of range",
False,
source_vg=args["group"],
source_lv=args["swap"],
thin1=-1,
thin2=args["number of vols"] - 1,
command=dmpd.thin_delta,
errors=errors)
atomic_run("Getting differences with thin2 ID out of range",
False,
source_vg=args["group"],
source_lv=args["swap"],
thin1=1,
thin2=args["number of vols"] + 1,
command=dmpd.thin_delta,
errors=errors)
atomic_run("Restoring metadata without output",
False,
cmd="thin_restore -i /tmp/metadata",
command=run,
errors=errors)
atomic_run("Restoring metadata with wrong options",
False,
cmd="thin_restore -i /tmp/metadata -o /dev/mapper/%s-%s --wrong test" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Restoring metadata with wrong source",
False,
cmd="thin_restore -i /tmp/wrong.wrong -o /dev/mapper/%s-%s" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Getting differences without thin2",
False,
cmd="thin_delta --thin1 1 /dev/mapper/%s-%s" %
(args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Corrupting metadata on device",
cmd="echo 'nothing' >> /dev/mapper/%s-%s" %
(args['group'], args['swap']),
command=run,
errors=errors)
atomic_run("Trying to fail while repairing metadata",
False,
source_vg=args['group'],
source_lv=args['swap'],
target_file="/tmp/metadata_repair",
command=dmpd.thin_repair,
errors=errors)
atomic_run("Trying to fail listing volumes",
False,
source_vg=args['group'],
source_lv=args['swap'],
command=dmpd.thin_ls,
errors=errors)
atomic_run("Trying to fail while checking metadata",
False,
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.thin_check,
errors=errors)
atomic_run("Trying to fail while dumping metadata from snapshot",
False,
formatting="human_readable",
source_vg=args["group"],
source_lv=args["swap"],
snapshot=True,
command=dmpd.thin_dump,
errors=errors)
# restoring metadata device after corrupting it
atomic_run("Repairing metadata device",
source_file="/tmp/metadata",
target_vg=args["group"],
target_lv=args["swap"],
quiet=True,
command=dmpd.thin_restore,
errors=errors)
print("\n#######################################\n")
if len(errors) == 0:
TC.tpass("Testing thin tools errors of device_mapper_persistent_data passed")
else:
TC.tfail("Testing thin tools errors of device_mapper_persistent_data failed with following errors: \n\t'" +
"\n\t ".join([str(i) for i in errors]))
return 1
return 0
def cache_init(args):
print("INFO: Initializing test case")
errors = []
atomic_run("Creating loopdev 1 - 'fast' device",
name=args["loop1"],
size=args["loop1_size"],
command=loopdev.create_loopdev,
errors=errors)
atomic_run("Creating loopdev 2 - 'slow' device",
name=args["loop2"],
size=args["loop2_size"],
command=loopdev.create_loopdev,
errors=errors)
atomic_run("Creating VG",
vg_name=args["group"],
pv_name="/dev/" + args["loop1"] +
" /dev/" + args["loop2"],
command=lvm.vg_create,
errors=errors)
atomic_run("Creating cache metadata volume",
vg_name=args["group"] + " /dev/" + args["loop1"],
lv_name=args["meta"],
options=["-L 12"],
command=lvm.lv_create,
errors=errors)
atomic_run("Creating origin volume",
vg_name=args["group"] + " /dev/" + args["loop2"],
lv_name=args["origin"],
options=["-L 2G"],
command=lvm.lv_create,
errors=errors)
atomic_run("Creating cache data volume",
vg_name=args["group"] + " /dev/" + args["loop1"],
lv_name=args["data"],
options=["-L 1G"],
command=lvm.lv_create,
errors=errors)
atomic_run("Creating cache pool",
vg_name=args["group"],
lv_name=args["data"],
options=["-y --type cache-pool", "--cachemode writeback", "--poolmetadata %s/%s" %
(args["group"], args["meta"])],
command=lvm.lv_convert,
errors=errors)
atomic_run("Creating cache logical volume",
vg_name=args["group"],
lv_name=args["origin"],
options=["-y", "--type cache", "--cachepool %s/%s" %
(args["group"], args["data"])],
command=lvm.lv_convert,
errors=errors)
atomic_run("Creating filesystem on cache logical volume",
vg_name=args["group"],
lv_name=args["origin"],
command=create_filesystem,
errors=errors)
atomic_run("Splitting cache logical volume",
vg_name=args["group"],
lv_name=args["origin"],
options=["-y", "--splitcache"],
command=lvm.lv_convert,
errors=errors)
atomic_run("Creating swap LV",
vg_name=args["group"],
lv_name=args["swap"],
options=["-L 100"],
command=lvm.lv_create,
errors=errors)
atomic_run("Swapping metadata",
vg_name=args["group"],
lv_name=args["swap"],
options=["-y", "--cachepool " + args["group"] + "/" + args["data"],
"--poolmetadata "],
command=lvm.lv_convert,
errors=errors)
atomic_run("Activating swap",
lv_name=args["swap"],
vg_name=args["group"],
command=lvm.lv_activate,
errors=errors)
if len(errors) == 0:
TC.tpass("Initialization passed")
else:
TC.tfail("Initialization failed with following errors: \n\t'" +
"\n\t ".join([str(i) for i in errors]))
return 1
return 0
def cache_clean(args):
print("INFO: Cleaning up")
errors = []
atomic_run("Removing VG",
vg_name=args["group"],
force=True,
command=lvm.vg_remove,
errors=errors)
atomic_run("Deleting loopdev loop1",
name=args["loop1"],
command=loopdev.delete_loopdev,
errors=errors)
atomic_run("Deleting loopdev loop2",
name=args["loop2"],
command=loopdev.delete_loopdev,
errors=errors)
atomic_run("Deleting metadata file",
cmd="rm -f /tmp/metadata",
command=run,
errors=errors)
atomic_run("Deleting repair metadata file",
cmd="rm -f /tmp/metadata_repair",
command=run,
errors=errors)
if len(errors) == 0:
TC.tpass("Cleanup passed")
else:
TC.tfail("Cleanup failed with following errors: \n\t'" +
"\n\t ".join([str(i) for i in errors]))
print(errors)
return 1
return 0
def cache_test(args):
print("\n#######################################\n")
print("INFO: Testing cache tools runtime provided by device_mapper_persistent_data")
errors = []
atomic_run("Checking metadata",
source_lv=args["swap"],
source_vg=args["group"],
command=dmpd.cache_check,
errors=errors)
atomic_run("Checking metadata with clear-need-check-flag",
source_lv=args["swap"],
source_vg=args["group"],
clear_needs_check_flag=True,
command=dmpd.cache_check,
errors=errors)
atomic_run("Checking metadata with super-block-only",
source_lv=args["swap"],
source_vg=args["group"],
super_block_only=True,
command=dmpd.cache_check,
errors=errors)
atomic_run("Checking metadata with few paramethers",
source_vg=args["group"],
source_lv=args["swap"],
skip_discards=True,
skip_mappings=True,
skip_hints=True,
command=dmpd.cache_check,
errors=errors)
atomic_run("Dumping metadata to standard output",
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.cache_dump,
errors=errors)
atomic_run("Calculating metadata size for cache of 64 blocks and 128 size",
cmd="cache_metadata_size --block-size 64 --device-size 128",
command=run,
errors=errors)
atomic_run("Calculating metadata size for cache of 128 nr blocks",
cmd="cache_metadata_size --nr-blocks 128 --max-hint-width 4",
command=run,
errors=errors)
atomic_run("Dumping metadata to file",
source_vg=args["group"],
source_lv=args["swap"],
repair=True,
output="/tmp/metadata",
command=dmpd.cache_dump,
errors=errors)
# Not yet in Fedora 26, shoud be in F27
#atomic_run("Checking metadata file",
# source_file="/tmp/metadata",
# command=dmpd.cache_check,
# errors=errors)
#
#atomic_run("Restoring metadata with options",
# source_file="/tmp/metadata",
# target_vg=args["group"],
# target_lv=args["swap"],
# quiet=True,
# override_metadata_version=1,
# metadata_version=1,
# command=dmpd.cache_restore,
# errors=errors)
atomic_run("Restoring metadata from file",
source_file="/tmp/metadata",
target_vg=args["group"],
target_lv=args["swap"],
command=dmpd.cache_restore,
errors=errors)
atomic_run("Repairing metadata to file",
target_file="/tmp/metadata_repair",
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.cache_repair,
errors=errors)
atomic_run("Repairing metadata from file",
source_file="/tmp/metadata_repair",
target_vg=args["group"],
target_lv=args["swap"],
command=dmpd.cache_repair,
errors=errors)
atomic_run("Simulating TTY for cache_restore",
cmd="script --return -c 'cache_restore -i /tmp/metadata -o /dev/mapper/%s-%s' /dev/null" %
(args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Checking metadata",
source_vg=args["group"],
source_lv=args["swap"],
quiet=True,
command=dmpd.cache_check,
errors=errors)
print("\n#######################################\n")
if len(errors) == 0:
TC.tpass("Testing cache tools of device_mapper_persistent_data passed")
else:
TC.tfail("Testing cache tools of device_mapper_persistent_data failed with following errors: \n\t'" +
"\n\t ".join([str(i) for i in errors]))
return 1
return 0
def cache_errors_test(args):
print("\n#######################################\n")
print("INFO: Testing cache tools errors provided by device_mapper_persistent_data")
errors = []
functions = ["cache_check", "cache_dump", "cache_metadata_size", "cache_repair", "cache_restore"]
# Sanity to check for missing input
for func in functions:
atomic_run("Validating missing input",
False,
cmd=func,
command=run,
errors=errors)
# Sanity to check with wrong input
for func in functions:
atomic_run("Validating wrong input",
False,
cmd=func + " wrong",
command=run,
errors=errors)
# Sanity to check with wrong option
for func in functions:
atomic_run("Validating wrong option",
False,
cmd=func + " -wrong",
command=run,
errors=errors)
# Sanity to check with wrong -- option
for func in functions:
atomic_run("Validating wrong -- option",
False,
cmd=func + " --wrong",
command=run,
errors=errors)
# Sanity to check present functions with -h
for func in functions:
atomic_run("Checking help of command",
cmd="%s" % func,
command=dmpd.get_help,
errors=errors)
# Sanity to check present functions with -V
for func in functions:
atomic_run("Checking version of command",
cmd="%s" % func,
command=dmpd.get_version,
errors=errors)
atomic_run("Checking metadata of non-metadata file",
False,
cmd="cache_check README",
command=run,
errors=errors)
atomic_run("Checking metadata of non-existent file",
False,
cmd="cache_check WRONG",
command=run,
errors=errors)
atomic_run("Checking metadata of non-regular file",
False,
cmd="cache_check /dev/mapper/control",
command=run,
errors=errors)
atomic_run("Calculating metadata size for cache of 64 blocks",
False,
cmd="cache_metadata_size --block-size 64",
command=run,
errors=errors)
atomic_run("Calculating metadata size for cache of 128 size",
False,
cmd="cache_metadata_size --device-size 128",
command=run,
errors=errors)
atomic_run("Calculating metadata size for cache of 64 blocks and 128 size and 128 nr blocks",
False,
cmd="cache_metadata_size --block-size 64 --device-size 128 --nr-blocks 128",
command=run,
errors=errors)
atomic_run("Repairing metadata without output",
False,
cmd="cache_repair -i /tmp/metadata_repair",
command=run,
errors=errors)
atomic_run("Restoring metadata with wrong options",
False,
cmd="cache_restore -i /tmp/metadata -o /dev/mapper/%s-%s --wrong test" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Restoring metadata with wrong metadata version",
False,
source_file="/tmp/metadata",
target_vg=args["group"],
target_lv=args["swap"],
metadata_version=12445,
command=dmpd.cache_restore,
errors=errors)
atomic_run("Restoring metadata with wrong source",
False,
cmd="cache_restore -i /tmp/wrong.wrong -o /dev/mapper/%s-%s" % (args["group"], args["swap"]),
command=run,
errors=errors)
atomic_run("Restoring metadata with bit source",
False,
source_file="/tmp/metadata_repair",
target_vg=args["group"],
target_lv=args["swap"],
command=dmpd.cache_restore,
errors=errors)
atomic_run("Restoring metadata without output",
False,
cmd="cache_restore -i /tmp/metadata",
command=run,
errors=errors)
# I am not able to run cache_restore with --omit-clean-shutdown successfully
#atomic_run("Restoring metadata with options",
# source_file="/tmp/metadata",
# target_vg=args["group"],
# target_lv=args["swap"],
# omit_clean_shutdown=True,
# command=dmpd.cache_restore,
# errors=errors)
# This fails in Fedora 26, should work in F27
#atomic_run("Checking metadata",
# source_vg=args["group"],
# source_lv=args["swap"],
# command=dmpd.cache_check,
# errors=errors)
#FIXME: Find other way to corrupt metadata, this exploits a bug
"""
atomic_run("Corrupting mappings on metadata device",
False,
source_file="Makefile",
target_vg=args["group"],
target_lv=args["swap"],
command=dmpd.cache_restore,
errors=errors)
atomic_run("Checking corrupted mappings",
False,
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.cache_check,
errors=errors)
atomic_run("Trying to fail while dumping metadata",
False,
source_vg=args['group'],
source_lv=args['swap'],
output="/tmp/metadata",
command=dmpd.cache_dump,
errors=errors)
atomic_run("Repairing metadata",
source_vg=args['group'],
source_lv=args['swap'],
target_file="/tmp/metadata_repair",
command=dmpd.cache_repair,
errors=errors)"""
atomic_run("Corrupting metadata on device",
cmd="echo 'nothing' >> /dev/mapper/%s-%s" % (args['group'], args['swap']),
command=run,
errors=errors)
atomic_run("Trying to fail while repairing metadata",
False,
source_vg=args['group'],
source_lv=args['swap'],
target_file="/tmp/metadata_repair",
command=dmpd.cache_repair,
errors=errors)
atomic_run("Trying to fail while dumping metadata",
False,
source_vg=args['group'],
source_lv=args['swap'],
output="/tmp/metadata",
command=dmpd.cache_dump,
errors=errors)
atomic_run("Checking corrupted metadata",
False,
source_vg=args["group"],
source_lv=args["swap"],
command=dmpd.cache_check,
errors=errors)
print("\n#######################################\n")
if len(errors) == 0:
TC.tpass("Testing cache tools errors of device_mapper_persistent_data passed")
else:
TC.tfail("Testing cache tools errors of device_mapper_persistent_data failed with following errors: \n\t'" +
"\n\t ".join([str(i) for i in errors]))
return 1
return 0
def main():
# Initialize Test Case
global TC
TC = TestClass()
# Initialize library classes
global loopdev
global lvm
global dmpd
loopdev = LoopDev()
lvm = LVM()
dmpd = DMPD()
args = {"loop1": "loop1",
"loop1_size": 2048,
"loop2": "loop2",
"loop2_size": 4128,
"group": "vgtest",
"origin": "origin",
"data": "cache_data",
"meta": "cache_meta",
"pool": "pool",
"vol": "thinvol",
"number of vols": 10,
"swap": "swapvol"}
# Initialization
install_package("lvm2")
install_package("device-mapper-persistent-data")
# Tests for thin tools provided by device-mapper-persistent-data
thin_init(args)
thin_test(args)
thin_errors_test(args)
thin_clean(args)
# Tests for cache tools provided by device-mapper-persistent-data
cache_init(args)
cache_test(args)
cache_errors_test(args)
cache_clean(args)
if not TC.tend():
print("FAIL: test failed")
sys.exit(1)
print("PASS: Test pass")
sys.exit(0)
if __name__ == "__main__":
main()
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