third-party-mirrors/zfs_autobackup
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test compare as well

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This commit is contained in:
Edwin Eefting 2022-02-22 18:48:51 +01:00
parent 0c6c75bf58
commit f29cf13db3
2 changed files with 40 additions and 12 deletions
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37
tests/test_check.py
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@ -14,15 +14,24 @@ class TestZfsCheck(unittest2.TestCase):
shelltest("zfs create -V200M test_source1/vol")
shelltest("zfs snapshot test_source1/vol@test")
with OutputIO() as buf:
with redirect_stdout(buf):
self.assertFalse(ZfsCheck("test_source1/vol@test".split(" "),print_arguments=False).run())
with self.subTest("Generate"):
with OutputIO() as buf:
with redirect_stdout(buf):
self.assertFalse(ZfsCheck("test_source1/vol@test".split(" "),print_arguments=False).run())
print(buf.getvalue())
self.assertEqual("""0 2c2ceccb5ec5574f791d45b63c940cff20550f9a
print(buf.getvalue())
self.assertEqual("""0 2c2ceccb5ec5574f791d45b63c940cff20550f9a
1 2c2ceccb5ec5574f791d45b63c940cff20550f9a
""", buf.getvalue())
#store on disk for next step
with open("/tmp/testhashes", "w") as fh:
fh.write(buf.getvalue())
with self.subTest("Compare"):
self.assertFalse(ZfsCheck("test_source1/vol@test --check=/tmp/testhashes --verbose".split(" "),print_arguments=False).run())
def test_filesystem(self):
prepare_zpools()
@ -40,15 +49,23 @@ class TestZfsCheck(unittest2.TestCase):
shelltest("zfs snapshot test_source1@test")
with OutputIO() as buf:
with redirect_stdout(buf):
self.assertFalse(ZfsCheck("test_source1@test".split(" "), print_arguments=False).run())
with self.subTest("Generate"):
with OutputIO() as buf:
with redirect_stdout(buf):
self.assertFalse(ZfsCheck("test_source1@test".split(" "), print_arguments=False).run())
print(buf.getvalue())
self.assertEqual("""testfile 0 3c0bf91170d873b8e327d3bafb6bc074580d11b7
print(buf.getvalue())
self.assertEqual("""testfile 0 3c0bf91170d873b8e327d3bafb6bc074580d11b7
dir/testfile 0 2e863f1fcccd6642e4e28453eba10d2d3f74d798
""", buf.getvalue())
#store on disk for next step
with open("/tmp/testhashes", "w") as fh:
fh.write(buf.getvalue())
with self.subTest("Compare"):
self.assertFalse(ZfsCheck("test_source1@test --check=/tmp/testhashes --verbose".split(" "),print_arguments=False).run())
def test_brokenpipe_cleanup_filesystem(self):
"""test if stuff is cleaned up correctly, in debugging mode , when a pipe breaks. """

15
zfs_autobackup/ZfsCheck.py
View File

@ -34,8 +34,10 @@ class ZfsCheck(CliBase):
group.add_argument('--count', metavar="COUNT", default=int((100 * (1024 ** 2)) / 4096),
help="Hash chunks of COUNT blocks. Default %(default)s . (Chunk size is BYTES * COUNT) ", type=int) # 100MiB
group = parser.add_argument_group('Compare options')
group.add_argument('--check', '-c', metavar="FILE", default=None, const=True, nargs='?',
help="Read hashes from STDIN (or FILE) and check them")
help="Read hashes from STDIN (or FILE) and compare them")
return parser
@ -200,7 +202,8 @@ class ZfsCheck(CliBase):
last_progress_time = time.time()
progress_count = 0
for line in input_fh:
line=input_fh.readline()
while line:
i=line.rstrip().split("\t")
#ignores lines without tabs
if (len(i)>1):
@ -212,6 +215,8 @@ class ZfsCheck(CliBase):
last_progress_time = time.time()
self.progress("Checked {} hashes.".format(progress_count))
line=input_fh.readline()
def run(self):
try:
@ -221,6 +226,9 @@ class ZfsCheck(CliBase):
#run as generator
if self.args.check==None:
for i in self.generate(input_generator=None):
self.clear_progress()
if len(i)==3:
print("{}\t{}\t{}".format(*i))
else:
@ -233,6 +241,7 @@ class ZfsCheck(CliBase):
sys.stdout.flush()
self.clear_progress()
return 0
#run as compare
@ -241,6 +250,7 @@ class ZfsCheck(CliBase):
input_generator=self.input_parser(self.args.check)
for i in self.generate(input_generator):
errors=errors+1
if len(i)==4:
(file_name, chunk_nr, compare_hexdigest, actual_hexdigest)=i
self.log.error("{}\t{}\t{}\t{}".format(file_name, chunk_nr, compare_hexdigest, actual_hexdigest))
@ -248,6 +258,7 @@ class ZfsCheck(CliBase):
(chunk_nr, compare_hexdigest, actual_hexdigest) = i
self.log.error("{}\t{}\t{}".format(chunk_nr, compare_hexdigest, actual_hexdigest))
self.clear_progress()
return min(255,errors)
except Exception as e: