mirror of https://github.com/ceph/ceph
251 lines
6.8 KiB
Python
Executable File
251 lines
6.8 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
from __future__ import print_function
|
|
|
|
import subprocess
|
|
import json
|
|
import os
|
|
import time
|
|
import sys
|
|
|
|
import rados as rados
|
|
import cephfs as cephfs
|
|
|
|
prefix='testbt'
|
|
|
|
def get_name(b, i, j):
|
|
c = '{pre}.{pid}.{i}.{j}'.format(pre=prefix, pid=os.getpid(), i=i, j=j)
|
|
return c, b + '/' + c
|
|
|
|
def mkdir(ceph, d):
|
|
print("mkdir {d}".format(d=d), file=sys.stderr)
|
|
ceph.mkdir(d, 0o755)
|
|
return ceph.stat(d)['st_ino']
|
|
|
|
def create(ceph, f):
|
|
print("creating {f}".format(f=f), file=sys.stderr)
|
|
fd = ceph.open(f, os.O_CREAT | os.O_RDWR, 0o644)
|
|
ceph.close(fd)
|
|
return ceph.stat(f)['st_ino']
|
|
|
|
def set_mds_config_param(ceph, param):
|
|
with open('/dev/null', 'rb') as devnull:
|
|
confarg = ''
|
|
if conf != '':
|
|
confarg = '-c {c}'.format(c=conf)
|
|
r = subprocess.call("ceph {ca} mds tell a injectargs '{p}'".format(ca=confarg, p=param), shell=True, stdout=devnull)
|
|
if r != 0:
|
|
raise Exception
|
|
|
|
|
|
class _TrimIndentFile(object):
|
|
def __init__(self, fp):
|
|
self.fp = fp
|
|
|
|
def readline(self):
|
|
line = self.fp.readline()
|
|
return line.lstrip(' \t')
|
|
|
|
def _optionxform(s):
|
|
s = s.replace('_', ' ')
|
|
s = '_'.join(s.split())
|
|
return s
|
|
|
|
def conf_set_kill_mds(location, killnum):
|
|
print('setting mds kill config option for {l}.{k}'.format(l=location, k=killnum), file=sys.stderr)
|
|
print("restart mds a mds_kill_{l}_at {k}".format(l=location, k=killnum))
|
|
sys.stdout.flush()
|
|
for l in sys.stdin.readline():
|
|
if l == 'restarted':
|
|
break
|
|
|
|
def flush(ceph, testnum):
|
|
print('flushing {t}'.format(t=testnum), file=sys.stderr)
|
|
set_mds_config_param(ceph, '--mds_log_max_segments 1')
|
|
|
|
for i in range(1, 500):
|
|
f = '{p}.{pid}.{t}.{i}'.format(p=prefix, pid=os.getpid(), t=testnum, i=i)
|
|
print('flushing with create {f}'.format(f=f), file=sys.stderr)
|
|
fd = ceph.open(f, os.O_CREAT | os.O_RDWR, 0o644)
|
|
ceph.close(fd)
|
|
ceph.unlink(f)
|
|
|
|
print('flush doing shutdown', file=sys.stderr)
|
|
ceph.shutdown()
|
|
print('flush reinitializing ceph', file=sys.stderr)
|
|
ceph = cephfs.LibCephFS(conffile=conf)
|
|
print('flush doing mount', file=sys.stderr)
|
|
ceph.mount()
|
|
return ceph
|
|
|
|
def kill_mds(ceph, location, killnum):
|
|
print('killing mds: {l}.{k}'.format(l=location, k=killnum), file=sys.stderr)
|
|
set_mds_config_param(ceph, '--mds_kill_{l}_at {k}'.format(l=location, k=killnum))
|
|
|
|
def wait_for_mds(ceph):
|
|
# wait for restart
|
|
while True:
|
|
confarg = ''
|
|
if conf != '':
|
|
confarg = '-c {c}'.format(c=conf)
|
|
r = subprocess.check_output("ceph {ca} mds stat".format(ca=confarg), shell=True).decode()
|
|
if r.find('a=up:active'):
|
|
break
|
|
time.sleep(1)
|
|
|
|
def decode(value):
|
|
|
|
tmpfile = '/tmp/{p}.{pid}'.format(p=prefix, pid=os.getpid())
|
|
with open(tmpfile, 'w+') as f:
|
|
f.write(value)
|
|
|
|
p = subprocess.Popen(
|
|
[
|
|
'ceph-dencoder',
|
|
'import',
|
|
tmpfile,
|
|
'type',
|
|
'inode_backtrace_t',
|
|
'decode',
|
|
'dump_json',
|
|
],
|
|
stdin=subprocess.PIPE,
|
|
stdout=subprocess.PIPE,
|
|
)
|
|
(stdout, _) = p.communicate(input=value)
|
|
p.stdin.close()
|
|
if p.returncode != 0:
|
|
raise Exception
|
|
os.remove(tmpfile)
|
|
return json.loads(stdout)
|
|
|
|
class VerifyFailure(Exception):
|
|
pass
|
|
|
|
def verify(rados_ioctx, ino, values, pool):
|
|
print('getting parent attr for ino: %lx.00000000' % ino, file=sys.stderr)
|
|
savede = None
|
|
for i in range(1, 20):
|
|
try:
|
|
savede = None
|
|
binbt = rados_ioctx.get_xattr('%lx.00000000' % ino, 'parent')
|
|
except rados.ObjectNotFound as e:
|
|
# wait for a bit to let segments get flushed out
|
|
savede = e
|
|
time.sleep(10)
|
|
if savede:
|
|
raise savede
|
|
|
|
bt = decode(binbt)
|
|
|
|
ind = 0
|
|
if bt['ino'] != ino:
|
|
raise VerifyFailure('inode mismatch: {bi} != {ino}\n\tbacktrace:\n\t\t{bt}\n\tfailed verify against:\n\t\t{i}, {v}'.format(
|
|
bi=bt['ancestors'][ind]['dname'], ino=ino, bt=bt, i=ino, v=values))
|
|
for (n, i) in values:
|
|
if bt['ancestors'][ind]['dirino'] != i:
|
|
raise VerifyFailure('ancestor dirino mismatch: {b} != {ind}\n\tbacktrace:\n\t\t{bt}\n\tfailed verify against:\n\t\t{i}, {v}'.format(
|
|
b=bt['ancestors'][ind]['dirino'], ind=i, bt=bt, i=ino, v=values))
|
|
if bt['ancestors'][ind]['dname'] != n:
|
|
raise VerifyFailure('ancestor dname mismatch: {b} != {n}\n\tbacktrace:\n\t\t{bt}\n\tfailed verify against:\n\t\t{i}, {v}'.format(
|
|
b=bt['ancestors'][ind]['dname'], n=n, bt=bt, i=ino, v=values))
|
|
ind += 1
|
|
|
|
if bt['pool'] != pool:
|
|
raise VerifyFailure('pool mismatch: {btp} != {p}\n\tbacktrace:\n\t\t{bt}\n\tfailed verify against:\n\t\t{i}, {v}'.format(
|
|
btp=bt['pool'], p=pool, bt=bt, i=ino, v=values))
|
|
|
|
def make_abc(ceph, rooti, i):
|
|
expected_bt = []
|
|
c, d = get_name("/", i, 0)
|
|
expected_bt = [(c, rooti)] + expected_bt
|
|
di = mkdir(ceph, d)
|
|
c, d = get_name(d, i, 1)
|
|
expected_bt = [(c, di)] + expected_bt
|
|
di = mkdir(ceph, d)
|
|
c, f = get_name(d, i, 2)
|
|
fi = create(ceph, f)
|
|
expected_bt = [(c, di)] + expected_bt
|
|
return fi, expected_bt
|
|
|
|
test = -1
|
|
if len(sys.argv) > 1:
|
|
test = int(sys.argv[1])
|
|
|
|
conf = ''
|
|
if len(sys.argv) > 2:
|
|
conf = sys.argv[2]
|
|
|
|
radosobj = rados.Rados(conffile=conf)
|
|
radosobj.connect()
|
|
ioctx = radosobj.open_ioctx('data')
|
|
|
|
ceph = cephfs.LibCephFS(conffile=conf)
|
|
ceph.mount()
|
|
|
|
rooti = ceph.stat('/')['st_ino']
|
|
|
|
test = -1
|
|
if len(sys.argv) > 1:
|
|
test = int(sys.argv[1])
|
|
|
|
conf = '/etc/ceph/ceph.conf'
|
|
if len(sys.argv) > 2:
|
|
conf = sys.argv[2]
|
|
|
|
# create /a/b/c
|
|
# flush
|
|
# verify
|
|
|
|
i = 0
|
|
if test < 0 or test == i:
|
|
print('Running test %d: basic verify' % i, file=sys.stderr)
|
|
ino, expected_bt = make_abc(ceph, rooti, i)
|
|
ceph = flush(ceph, i)
|
|
verify(ioctx, ino, expected_bt, 0)
|
|
|
|
i += 1
|
|
|
|
# kill-mds-at-openc-1
|
|
# create /a/b/c
|
|
# restart-mds
|
|
# flush
|
|
# verify
|
|
|
|
if test < 0 or test == i:
|
|
print('Running test %d: kill openc' % i, file=sys.stderr)
|
|
print("restart mds a")
|
|
sys.stdout.flush()
|
|
kill_mds(ceph, 'openc', 1)
|
|
ino, expected_bt = make_abc(ceph, rooti, i)
|
|
ceph = flush(ceph, i)
|
|
verify(ioctx, ino, expected_bt, 0)
|
|
|
|
i += 1
|
|
|
|
# kill-mds-at-openc-1
|
|
# create /a/b/c
|
|
# restart-mds with kill-mds-at-replay-1
|
|
# restart-mds
|
|
# flush
|
|
# verify
|
|
if test < 0 or test == i:
|
|
print('Running test %d: kill openc/replay' % i, file=sys.stderr)
|
|
# these are reversed because we want to prepare the config
|
|
conf_set_kill_mds('journal_replay', 1)
|
|
kill_mds(ceph, 'openc', 1)
|
|
print("restart mds a")
|
|
sys.stdout.flush()
|
|
ino, expected_bt = make_abc(ceph, rooti, i)
|
|
ceph = flush(ceph, i)
|
|
verify(ioctx, ino, expected_bt, 0)
|
|
|
|
i += 1
|
|
|
|
ioctx.close()
|
|
radosobj.shutdown()
|
|
ceph.shutdown()
|
|
|
|
print("done")
|
|
sys.stdout.flush()
|