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#!/usr/bin/env python3
'''
t6_upgrade.py - this file is part of S3QL.
Copyright © 2008 Nikolaus Rath <Nikolaus@rath.org>
This work can be distributed under the terms of the GNU GPLv3.
'''
if __name__ == '__main__':
import pytest
import sys
sys.exit(pytest.main([__file__] + sys.argv[1:]))
from common import populate_dir, skip_without_rsync, retry
from t1_backends import get_remote_test_info, NoTestSection
from s3ql import backends
import shutil
import subprocess
from subprocess import check_output, CalledProcessError
import t4_fuse
import tempfile
import os
import pytest
@pytest.mark.usefixtures('pass_reg_output')
class TestUpgrade(t4_fuse.TestFuse):
def setup_method(self, method):
skip_without_rsync()
basedir_old = os.path.abspath(os.path.join(os.path.dirname(__file__),
'..', 's3ql.old'))
if not os.path.exists(os.path.join(basedir_old, 'bin', 'mkfs.s3ql')):
pytest.skip('no previous S3QL version found')
super().setup_method(method)
self.ref_dir = tempfile.mkdtemp(prefix='s3ql-ref-')
self.bak_dir = tempfile.mkdtemp(prefix='s3ql-bak-')
self.basedir_old = basedir_old
def teardown_method(self, method):
super().teardown_method(method)
shutil.rmtree(self.ref_dir)
shutil.rmtree(self.bak_dir)
def mkfs_old(self, force=False, max_obj_size=500):
argv = [ os.path.join(self.basedir_old, 'bin', 'mkfs.s3ql'),
'-L', 'test fs', '--max-obj-size', str(max_obj_size),
'--cachedir', self.cache_dir, '--quiet',
'--authfile', '/dev/null', self.storage_url ]
if force:
argv.append('--force')
if self.passphrase is None:
argv.append('--plain')
proc = subprocess.Popen(argv, stdin=subprocess.PIPE, universal_newlines=True)
if self.backend_login is not None:
print(self.backend_login, file=proc.stdin)
print(self.backend_passphrase, file=proc.stdin)
if self.passphrase is not None:
print(self.passphrase, file=proc.stdin)
print(self.passphrase, file=proc.stdin)
proc.stdin.close()
assert proc.wait() == 0
self.reg_output(r'^Warning: maximum object sizes less than 1 MiB '
'will seriously degrade performance\.$', count=1)
def mount_old(self):
self.mount_process = subprocess.Popen([os.path.join(self.basedir_old, 'bin', 'mount.s3ql'),
"--fg", '--cachedir', self.cache_dir, '--log',
'none', '--quiet', '--authfile', '/dev/null',
'--compress', 'zlib', self.storage_url, self.mnt_dir],
stdin=subprocess.PIPE, universal_newlines=True)
if self.backend_login is not None:
print(self.backend_login, file=self.mount_process.stdin)
print(self.backend_passphrase, file=self.mount_process.stdin)
if self.passphrase is not None:
print(self.passphrase, file=self.mount_process.stdin)
self.mount_process.stdin.close()
def poll():
if os.path.ismount(self.mnt_dir):
return True
assert self.mount_process.poll() is None
retry(30, poll)
def umount_old(self):
with open('/dev/null', 'wb') as devnull:
retry(5, lambda: subprocess.call(['fuser', '-m', self.mnt_dir],
stdout=devnull, stderr=devnull) == 1)
proc = subprocess.Popen([os.path.join(self.basedir_old, 'bin', 'umount.s3ql'),
'--quiet', self.mnt_dir])
retry(90, lambda : proc.poll() is not None)
assert proc.wait() == 0
assert self.mount_process.poll() == 0
assert not os.path.ismount(self.mnt_dir)
def upgrade(self):
proc = subprocess.Popen(self.s3ql_cmd_argv('s3qladm') +
[ '--cachedir', self.cache_dir, '--authfile',
'/dev/null', '--quiet', 'upgrade', self.storage_url ],
stdin=subprocess.PIPE, universal_newlines=True)
if self.backend_login is not None:
print(self.backend_login, file=proc.stdin)
print(self.backend_passphrase, file=proc.stdin)
if self.passphrase is not None:
print(self.passphrase, file=proc.stdin)
print('yes', file=proc.stdin)
proc.stdin.close()
assert proc.wait() == 0
def compare(self):
try:
out = check_output(['rsync', '-anciHAX', '--delete', '--exclude', '/lost+found',
self.ref_dir + '/', self.mnt_dir + '/'], universal_newlines=True,
stderr=subprocess.STDOUT)
except CalledProcessError as exc:
pytest.fail('rsync failed with ' + exc.output)
if out:
pytest.fail('Copy not equal to original, rsync says:\n' + out)
def populate(self):
populate_dir(self.ref_dir)
@pytest.mark.parametrize("with_cache", (True, False))
def test(self, with_cache):
self.populate()
# Create and mount using previous S3QL version
self.mkfs_old()
self.mount_old()
subprocess.check_call(['rsync', '-aHAX', self.ref_dir + '/', self.mnt_dir + '/'])
self.umount_old()
# Try to access with new version (should fail)
if not with_cache:
shutil.rmtree(self.cache_dir)
self.cache_dir = tempfile.mkdtemp(prefix='s3ql-cache-')
self.mount(expect_fail=32)
self.reg_output(r'^ERROR: File system revision too old, please '
'run `s3qladm upgrade` first\.$', count=1)
# Upgrade
if not with_cache:
shutil.rmtree(self.cache_dir)
self.cache_dir = tempfile.mkdtemp(prefix='s3ql-cache-')
self.upgrade()
# ...and test
if not with_cache:
shutil.rmtree(self.cache_dir)
self.cache_dir = tempfile.mkdtemp(prefix='s3ql-cache-')
self.fsck()
self.mount()
self.compare()
# Try if we can still write (we messed this up in the upgrade
# from 2.16 to 2.17).
with open('%s/some_new_file' % (self.mnt_dir,), 'w') as fh:
fh.write('hello, world')
self.umount()
class TestPlainUpgrade(TestUpgrade):
def setup_method(self, method):
super().setup_method(method)
self.passphrase = None
class RemoteUpgradeTest:
def setup_method(self, method, name):
super().setup_method(method)
try:
(backend_login, backend_pw,
self.storage_url) = get_remote_test_info(name)
except NoTestSection as exc:
pytest.skip(exc.reason)
self.backend_login = backend_login
self.backend_passphrase = backend_pw
def populate(self):
populate_dir(self.ref_dir, entries=50, size=5*1024*1024)
def teardown_method(self, method):
super().teardown_method(method)
proc = subprocess.Popen(self.s3ql_cmd_argv('s3qladm') +
[ '--quiet', '--authfile', '/dev/null',
'clear', self.storage_url ],
stdin=subprocess.PIPE, universal_newlines=True)
if self.backend_login is not None:
print(self.backend_login, file=proc.stdin)
print(self.backend_passphrase, file=proc.stdin)
print('yes', file=proc.stdin)
proc.stdin.close()
assert proc.wait() == 0
# Dynamically generate tests for other backends
for backend_name in backends.prefix_map:
if backend_name == 'local':
continue
def setup_method(self, method, backend_name=backend_name):
RemoteUpgradeTest.setup_method(self, method, backend_name + '-test')
test_class_name = 'Test' + backend_name + 'Upgrade'
globals()[test_class_name] = type(test_class_name,
(RemoteUpgradeTest, TestUpgrade),
{ 'setup_method': setup_method })
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