mirror of
https://github.com/ceph/ceph
synced 2024-12-16 16:39:21 +00:00
263 lines
7.0 KiB
Python
Executable File
263 lines
7.0 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import print_function
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import subprocess
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import json
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import os
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import time
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import sys
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if sys.version_info[0] == 2:
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from cStringIO import StringIO
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range = xrange
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elif sys.version_info[0] == 3:
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from io import StringIO
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range = range
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import rados as rados
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import cephfs as cephfs
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prefix='testbt'
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def get_name(b, i, j):
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c = '{pre}.{pid}.{i}.{j}'.format(pre=prefix, pid=os.getpid(), i=i, j=j)
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return c, b + '/' + c
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def mkdir(ceph, d):
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print("mkdir {d}".format(d=d), file=sys.stderr)
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ceph.mkdir(d, 0o755)
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return ceph.stat(d)['st_ino']
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def create(ceph, f):
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print("creating {f}".format(f=f), file=sys.stderr)
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fd = ceph.open(f, os.O_CREAT | os.O_RDWR, 0o644)
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ceph.close(fd)
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return ceph.stat(f)['st_ino']
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def set_mds_config_param(ceph, param):
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with open('/dev/null', 'rb') as devnull:
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confarg = ''
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if conf != '':
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confarg = '-c {c}'.format(c=conf)
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r = subprocess.call("ceph {ca} mds tell a injectargs '{p}'".format(ca=confarg, p=param), shell=True, stdout=devnull)
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if r != 0:
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raise Exception
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import ConfigParser
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import contextlib
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class _TrimIndentFile(object):
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def __init__(self, fp):
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self.fp = fp
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def readline(self):
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line = self.fp.readline()
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return line.lstrip(' \t')
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def _optionxform(s):
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s = s.replace('_', ' ')
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s = '_'.join(s.split())
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return s
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def conf_set_kill_mds(location, killnum):
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print('setting mds kill config option for {l}.{k}'.format(l=location, k=killnum), file=sys.stderr)
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print("restart mds a mds_kill_{l}_at {k}".format(l=location, k=killnum))
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sys.stdout.flush()
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for l in sys.stdin.readline():
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if l == 'restarted':
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break
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def flush(ceph, testnum):
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print('flushing {t}'.format(t=testnum), file=sys.stderr)
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set_mds_config_param(ceph, '--mds_log_max_segments 1')
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for i in range(1, 500):
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f = '{p}.{pid}.{t}.{i}'.format(p=prefix, pid=os.getpid(), t=testnum, i=i)
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print('flushing with create {f}'.format(f=f), file=sys.stderr)
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fd = ceph.open(f, os.O_CREAT | os.O_RDWR, 0o644)
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ceph.close(fd)
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ceph.unlink(f)
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print('flush doing shutdown', file=sys.stderr)
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ceph.shutdown()
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print('flush reinitializing ceph', file=sys.stderr)
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ceph = cephfs.LibCephFS(conffile=conf)
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print('flush doing mount', file=sys.stderr)
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ceph.mount()
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return ceph
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def kill_mds(ceph, location, killnum):
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print('killing mds: {l}.{k}'.format(l=location, k=killnum), file=sys.stderr)
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set_mds_config_param(ceph, '--mds_kill_{l}_at {k}'.format(l=location, k=killnum))
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def wait_for_mds(ceph):
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# wait for restart
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while True:
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confarg = ''
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if conf != '':
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confarg = '-c {c}'.format(c=conf)
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r = subprocess.check_output("ceph {ca} mds stat".format(ca=confarg), shell=True).decode()
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if r.find('a=up:active'):
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break
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time.sleep(1)
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def decode(value):
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tmpfile = '/tmp/{p}.{pid}'.format(p=prefix, pid=os.getpid())
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with open(tmpfile, 'w+') as f:
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f.write(value)
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p = subprocess.Popen(
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[
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'ceph-dencoder',
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'import',
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tmpfile,
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'type',
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'inode_backtrace_t',
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'decode',
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'dump_json',
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],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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)
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(stdout, _) = p.communicate(input=value)
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p.stdin.close()
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if p.returncode != 0:
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raise Exception
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os.remove(tmpfile)
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return json.loads(stdout)
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class VerifyFailure(Exception):
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pass
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def verify(rados_ioctx, ino, values, pool):
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print('getting parent attr for ino: %lx.00000000' % ino, file=sys.stderr)
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savede = None
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for i in range(1, 20):
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try:
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savede = None
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binbt = rados_ioctx.get_xattr('%lx.00000000' % ino, 'parent')
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except rados.ObjectNotFound as e:
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# wait for a bit to let segments get flushed out
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savede = e
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time.sleep(10)
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if savede:
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raise savede
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bt = decode(binbt)
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if bt['ino'] != ino:
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raise VerifyFailure('inode mismatch: {bi} != {ino}\n\tbacktrace:\n\t\t{bt}\n\tfailed verify against:\n\t\t{i}, {v}'.format(
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bi=bt['ancestors'][ind]['dname'], ino=ino, bt=bt, i=ino, v=values))
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ind = 0
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for (n, i) in values:
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if bt['ancestors'][ind]['dirino'] != i:
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raise VerifyFailure('ancestor dirino mismatch: {b} != {ind}\n\tbacktrace:\n\t\t{bt}\n\tfailed verify against:\n\t\t{i}, {v}'.format(
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b=bt['ancestors'][ind]['dirino'], ind=i, bt=bt, i=ino, v=values))
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if bt['ancestors'][ind]['dname'] != n:
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raise VerifyFailure('ancestor dname mismatch: {b} != {n}\n\tbacktrace:\n\t\t{bt}\n\tfailed verify against:\n\t\t{i}, {v}'.format(
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b=bt['ancestors'][ind]['dname'], n=n, bt=bt, i=ino, v=values))
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ind += 1
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if bt['pool'] != pool:
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raise VerifyFailure('pool mismatch: {btp} != {p}\n\tbacktrace:\n\t\t{bt}\n\tfailed verify against:\n\t\t{i}, {v}'.format(
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btp=bt['pool'], p=pool, bt=bt, i=ino, v=values))
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def make_abc(ceph, rooti, i):
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expected_bt = []
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c, d = get_name("/", i, 0)
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expected_bt = [(c, rooti)] + expected_bt
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di = mkdir(ceph, d)
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c, d = get_name(d, i, 1)
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expected_bt = [(c, di)] + expected_bt
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di = mkdir(ceph, d)
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c, f = get_name(d, i, 2)
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fi = create(ceph, f)
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expected_bt = [(c, di)] + expected_bt
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return fi, expected_bt
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test = -1
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if len(sys.argv) > 1:
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test = int(sys.argv[1])
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conf = ''
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if len(sys.argv) > 2:
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conf = sys.argv[2]
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radosobj = rados.Rados(conffile=conf)
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radosobj.connect()
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ioctx = radosobj.open_ioctx('data')
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ceph = cephfs.LibCephFS(conffile=conf)
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ceph.mount()
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rooti = ceph.stat('/')['st_ino']
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test = -1
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if len(sys.argv) > 1:
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test = int(sys.argv[1])
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conf = '/etc/ceph/ceph.conf'
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if len(sys.argv) > 2:
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conf = sys.argv[2]
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# create /a/b/c
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# flush
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# verify
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i = 0
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if test < 0 or test == i:
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print('Running test %d: basic verify' % i, file=sys.stderr)
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ino, expected_bt = make_abc(ceph, rooti, i)
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ceph = flush(ceph, i)
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verify(ioctx, ino, expected_bt, 0)
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i += 1
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# kill-mds-at-openc-1
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# create /a/b/c
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# restart-mds
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# flush
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# verify
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if test < 0 or test == i:
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print('Running test %d: kill openc' % i, file=sys.stderr)
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print("restart mds a")
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sys.stdout.flush()
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kill_mds(ceph, 'openc', 1)
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ino, expected_bt = make_abc(ceph, rooti, i)
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ceph = flush(ceph, i)
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verify(ioctx, ino, expected_bt, 0)
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i += 1
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# kill-mds-at-openc-1
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# create /a/b/c
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# restart-mds with kill-mds-at-replay-1
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# restart-mds
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# flush
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# verify
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if test < 0 or test == i:
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print('Running test %d: kill openc/replay' % i, file=sys.stderr)
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# these are reversed because we want to prepare the config
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conf_set_kill_mds('journal_replay', 1)
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kill_mds(ceph, 'openc', 1)
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print("restart mds a")
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sys.stdout.flush()
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ino, expected_bt = make_abc(ceph, rooti, i)
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ceph = flush(ceph, i)
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verify(ioctx, ino, expected_bt, 0)
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i += 1
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ioctx.close()
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radosobj.shutdown()
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ceph.shutdown()
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print("done")
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sys.stdout.flush()
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