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disk full test: some improvements

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- can create 0-byte files now
- frees space early (avoids running out of disk space at repo init time)
- creates multiple reserve files, so we do not only reserve some space,
  but also some inodes
 - only print output if there is an error RC
 - if make_files makes us run out of space, that is not interesting, just start
   a new iteration from scratch
This commit is contained in:
Thomas Waldmann 2015-11-03 19:39:05 +01:00
parent 1f271821b8
commit f28d5d1f96
1 changed files with 18 additions and 8 deletions
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26
borg/testsuite/archiver.py
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@ -136,7 +136,8 @@ def make_files(dir, count, size, rnd=True):
os.mkdir(dir)
if rnd:
count = random.randint(1, count)
size = random.randint(1, size)
if size > 1:
size = random.randint(1, size)
for i in range(count):
fn = os.path.join(dir, "file%03d" % i)
with open(fn, 'wb') as f:
@ -151,16 +152,24 @@ def make_files(dir, count, size, rnd=True):
reserve = os.path.join(mount, 'reserve')
for j in range(100):
shutil.rmtree(repo, ignore_errors=True)
shutil.rmtree(input, ignore_errors=True)
# keep some space and some inodes in reserve that we can free up later:
make_files(reserve, 80, 100000, rnd=False)
rc, out = cmd('init', repo)
print('init', rc, out)
if rc != EXIT_SUCCESS:
print('init', rc, out)
assert rc == EXIT_SUCCESS
# keep some space in reserve that we can free up later:
make_files(reserve, 1, 8000000, rnd=False)
try:
success, i = True, 0
while success:
i += 1
make_files(input, 20, 200000) # random, ~1MB
try:
make_files(input, 20, 200000)
except OSError as err:
if err.errno == errno.ENOSPC:
# already out of space
break
raise
try:
rc, out = cmd('create', '%s::test%03d' % (repo, i), input)
success = rc == EXIT_SUCCESS
@ -175,10 +184,11 @@ def make_files(dir, count, size, rnd=True):
# free some space so we can expect borg to be able to work normally:
shutil.rmtree(reserve, ignore_errors=True)
rc, out = cmd('list', repo)
print('list', rc, out)
assert rc == EXIT_SUCCESS
if rc != EXIT_SUCCESS:
print('list', rc, out)
rc, out = cmd('check', '--repair', repo)
print('check', rc, out)
if rc != EXIT_SUCCESS:
print('check', rc, out)
assert rc == EXIT_SUCCESS