def task(ctx, config):
if config is None:
config = {}
assert isinstance(config, dict), \
'mon_clock_skew_check task only accepts a dict for configuration'
interval = float(config.get('interval', 30.0))
expect_skew = config.get('expect-skew', False)
log.info('Beginning mon_clock_skew_check...')
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.keys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
quorum_size = len(teuthology.get_mon_names(ctx))
manager.wait_for_mon_quorum_size(quorum_size)
# wait a bit
log.info('sleeping for {s} seconds'.format(s=interval))
time.sleep(interval)
health = manager.get_mon_health(True)
log.info('got health %s' % health)
if expect_skew:
if 'MON_CLOCK_SKEW' not in health['checks']:
raise RuntimeError('expected MON_CLOCK_SKEW but got none')
else:
if 'MON_CLOCK_SKEW' in health['checks']:
raise RuntimeError('got MON_CLOCK_SKEW but expected none')
def __init__(self, ctx, config):
self._ctx = ctx
self._config = config
mds_list = list(misc.all_roles_of_type(ctx.cluster, 'mds'))
if len(mds_list) != 1:
# Require exactly one MDS, the code path for creation failure when
# a standby is available is different
raise RuntimeError("This task requires exactly one MDS")
self.mds_id = mds_list[0]
(mds_remote, ) = ctx.cluster.only(
'mds.{_id}'.format(_id=self.mds_id)).remotes.iterkeys()
manager = ceph_manager.CephManager(
mds_remote,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
self.mds_manager = manager
client_list = list(misc.all_roles_of_type(self._ctx.cluster, 'client'))
self.client_id = client_list[0]
self.client_remote = list(
misc.get_clients(ctx=ctx,
roles=["client.{0}".format(self.client_id)
]))[0][1]
self.test_files = ['a', 'b', 'c']
def task(ctx, config):
"""
Stress test the monitor by thrashing them while another task/workunit
is running.
Please refer to MonitorThrasher class for further information on the
available options.
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'mon_thrash task only accepts a dict for configuration'
assert len(_get_mons(ctx)) > 2, \
'mon_thrash task requires at least 3 monitors'
log.info('Beginning mon_thrash...')
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
thrash_proc = MonitorThrasher(ctx,
manager, config,
logger=log.getChild('mon_thrasher'))
try:
log.debug('Yielding')
yield
finally:
log.info('joining mon_thrasher')
thrash_proc.do_join()
mons = _get_mons(ctx)
manager.wait_for_mon_quorum_size(len(mons))
def task(ctx, config):
"""
Test monitor recovery from OSD
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(mon,
ctx=ctx,
logger=log.getChild('ceph_manager'))
mons = ctx.cluster.only(teuthology.is_type('mon'))
# note down the first cluster_name and mon_id
# we will recover it later on
cluster_name, _, mon_id = teuthology.split_role(first_mon)
_nuke_mons(manager, mons, mon_id)
default_keyring = '/etc/ceph/{cluster}.keyring'.format(
cluster=cluster_name)
keyring_path = config.get('keyring_path', default_keyring)
_rebuild_db(ctx, manager, cluster_name, mon, mon_id, keyring_path)
_revive_mons(manager, mons, mon_id, keyring_path)
_revive_mgrs(ctx, manager)
_revive_osds(ctx, manager)
def task(ctx, config):
"""
Use clas ClockSkewCheck to check for clock skews on the monitors.
This task will spawn a thread running ClockSkewCheck's do_check().
All the configuration will be directly handled by ClockSkewCheck,
so please refer to the class documentation for further information.
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'mon_clock_skew_check task only accepts a dict for configuration'
log.info('Beginning mon_clock_skew_check...')
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
skew_check = ClockSkewCheck(ctx,
manager, config,
logger=log.getChild('mon_clock_skew_check'))
skew_check_thread = gevent.spawn(skew_check.do_check)
try:
yield
finally:
log.info('joining mon_clock_skew_check')
skew_check.finish()
skew_check_thread.get()
def task(ctx, config):
"""
Test [deep] repair in several situations:
Repair [Truncate, Data EIO, MData EIO] on [Primary|Replica]
The config should be as follows:
Must include the log-whitelist below
Must enable filestore_debug_inject_read_err config
example:
tasks:
- chef:
- install:
- ceph:
log-whitelist:
- 'candidate had a stat error'
- 'candidate had a read error'
- 'deep-scrub 0 missing, 1 inconsistent objects'
- 'deep-scrub 0 missing, 4 inconsistent objects'
- 'deep-scrub 1 errors'
- 'deep-scrub 4 errors'
- '!= known omap_digest'
- 'repair 0 missing, 1 inconsistent objects'
- 'repair 0 missing, 4 inconsistent objects'
- 'repair 1 errors, 1 fixed'
- 'repair 4 errors, 4 fixed'
- 'scrub 0 missing, 1 inconsistent'
- 'scrub 1 errors'
- 'size 1 != known size'
conf:
osd:
filestore debug inject read err: true
- repair_test:
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'repair_test task only accepts a dict for config'
if not hasattr(ctx, 'manager'):
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
ctx.manager = ceph_manager.CephManager(
mon, ctx=ctx, logger=log.getChild('ceph_manager'))
ctx.manager.wait_for_all_up()
repair_test_1(ctx, mdataerr, choose_primary, "scrub")
repair_test_1(ctx, mdataerr, choose_replica, "scrub")
repair_test_1(ctx, dataerr, choose_primary, "deep-scrub")
repair_test_1(ctx, dataerr, choose_replica, "deep-scrub")
repair_test_1(ctx, trunc, choose_primary, "scrub")
repair_test_1(ctx, trunc, choose_replica, "scrub")
repair_test_2(ctx, config, choose_primary)
repair_test_2(ctx, config, choose_replica)
repair_test_erasure_code(ctx, hinfoerr, 'primary', "deep-scrub")
def task(ctx, config):
"""
Die if {testdir}/err exists or if an OSD dumps core
"""
if config is None:
config = {}
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
log.info('num_osds is %s' % num_osds)
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < num_osds:
time.sleep(10)
testdir = teuthology.get_testdir(ctx)
while True:
for i in range(num_osds):
(osd_remote,) = ctx.cluster.only('osd.%d' % i).remotes.iterkeys()
p = osd_remote.run(
args = [ 'test', '-e', '{tdir}/err'.format(tdir=testdir) ],
wait=True,
check_status=False,
)
exit_status = p.exitstatus
if exit_status == 0:
log.info("osd %d has an error" % i)
raise Exception("osd %d error" % i)
log_path = '/var/log/ceph/osd.%d.log' % (i)
p = osd_remote.run(
args = [
'tail', '-1', log_path,
run.Raw('|'),
'grep', '-q', 'end dump'
],
wait=True,
check_status=False,
)
exit_status = p.exitstatus
if exit_status == 0:
log.info("osd %d dumped core" % i)
raise Exception("osd %d dumped core" % i)
time.sleep(5)
def task(ctx, config):
"""
Benchmark the recovery system.
Generates objects with smalliobench, runs it normally to get a
baseline performance measurement, then marks an OSD out and reruns
to measure performance during recovery.
The config should be as follows:
recovery_bench:
duration: <seconds for each measurement run>
num_objects: <number of objects>
io_size: <io size in bytes>
example:
tasks:
- ceph:
- recovery_bench:
duration: 60
num_objects: 500
io_size: 4096
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'recovery_bench task only accepts a dict for configuration'
log.info('Beginning recovery bench...')
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
while len(manager.get_osd_status()['up']) < num_osds:
manager.sleep(10)
bench_proc = RecoveryBencher(
manager,
config,
)
try:
yield
finally:
log.info('joining recovery bencher')
bench_proc.do_join()
def task(ctx, config):
"""
Test [deep] repair in several situations:
Repair [Truncate, Data EIO, MData EIO] on [Primary|Replica]
The config should be as follows:
Must include the log-whitelist below
Must enable filestore_debug_inject_read_err config
example:
tasks:
- chef:
- install:
- ceph:
log-whitelist: ['candidate had a read error', 'deep-scrub 0 missing, 1 inconsistent objects', 'deep-scrub 0 missing, 4 inconsistent objects', 'deep-scrub 1 errors', 'deep-scrub 4 errors', '!= known omap_digest', 'repair 0 missing, 1 inconsistent objects', 'repair 0 missing, 4 inconsistent objects', 'repair 1 errors, 1 fixed', 'repair 4 errors, 4 fixed', 'scrub 0 missing, 1 inconsistent', 'scrub 1 errors', 'size 1 != known size']
conf:
osd:
filestore debug inject read err: true
- repair_test:
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'repair_test task only accepts a dict for config'
if not hasattr(ctx, 'manager'):
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
ctx.manager = ceph_manager.CephManager(
mon, ctx=ctx, logger=log.getChild('ceph_manager'))
tests = [
gen_repair_test_1(mdataerr(ctx), choose_primary(ctx), "scrub"),
gen_repair_test_1(mdataerr(ctx), choose_replica(ctx), "scrub"),
gen_repair_test_1(dataerr(ctx), choose_primary(ctx), "deep-scrub"),
gen_repair_test_1(dataerr(ctx), choose_replica(ctx), "deep-scrub"),
gen_repair_test_1(trunc(ctx), choose_primary(ctx), "scrub"),
gen_repair_test_1(trunc(ctx), choose_replica(ctx), "scrub"),
gen_repair_test_2(choose_primary(ctx)),
gen_repair_test_2(choose_replica(ctx))
]
for test in tests:
run_test(ctx, config, test)
def task(ctx, config):
"""
Run scrub periodically. Randomly chooses an OSD to scrub.
The config should be as follows:
scrub:
frequency: <seconds between scrubs>
deep: <bool for deepness>
example:
tasks:
- ceph:
- scrub:
frequency: 30
deep: 0
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'scrub task only accepts a dict for configuration'
log.info('Beginning scrub...')
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
while len(manager.get_osd_status()['up']) < num_osds:
time.sleep(10)
scrub_proc = Scrubber(
manager,
config,
)
try:
yield
finally:
log.info('joining scrub')
scrub_proc.do_join()
def setup(ctx, config):
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
ctx.manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
ctx.manager.clear_pools()
ctx.manager.create_pool(POOLNAME, config.num_pgs)
log.info("populating pool")
ctx.manager.rados_write_objects(
POOLNAME,
config.num_objects,
config.object_size,
config.creation_time_limit,
config.create_threads)
log.info("done populating pool")
def task(ctx, config):
"""
Test handling of osd_failsafe_nearfull_ratio and osd_failsafe_full_ratio
configuration settings
In order for test to pass must use log-whitelist as follows
tasks:
- chef:
- install:
- ceph:
log-whitelist: ['OSD near full', 'OSD full dropping all updates']
- osd_failsafe_enospc:
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'osd_failsafe_enospc task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
ctx.manager = manager
# Give 2 seconds for injectargs + osd_op_complaint_time (30) + 2 * osd_heartbeat_interval (6) + 6 padding
sleep_time = 50
# something that is always there
dummyfile = '/etc/fstab'
dummyfile2 = '/etc/resolv.conf'
# create 1 pg pool with 1 rep which can only be on osd.0
osds = manager.get_osd_dump()
for osd in osds:
if osd['osd'] != 0:
manager.mark_out_osd(osd['osd'])
log.info('creating pool foo')
manager.create_pool("foo")
manager.raw_cluster_cmd('osd', 'pool', 'set', 'foo', 'size', '1')
# State NONE -> NEAR
log.info('1. Verify warning messages when exceeding nearfull_ratio')
proc = mon.run(
args=[
'daemon-helper',
'kill',
'ceph', '-w'
],
stdin=run.PIPE,
stdout=StringIO(),
wait=False,
)
manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_nearfull_ratio .00001')
time.sleep(sleep_time)
proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
proc.wait()
lines = proc.stdout.getvalue().split('\n')
count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
assert count == 2, 'Incorrect number of warning messages expected 2 got %d' % count
count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
assert count == 0, 'Incorrect number of error messages expected 0 got %d' % count
# State NEAR -> FULL
log.info('2. Verify error messages when exceeding full_ratio')
proc = mon.run(
args=[
'daemon-helper',
'kill',
'ceph', '-w'
],
stdin=run.PIPE,
stdout=StringIO(),
wait=False,
)
manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .00001')
time.sleep(sleep_time)
proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
proc.wait()
lines = proc.stdout.getvalue().split('\n')
count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
assert count == 2, 'Incorrect number of error messages expected 2 got %d' % count
log.info('3. Verify write failure when exceeding full_ratio')
# Write data should fail
ret = rados(ctx, mon, ['-p', 'foo', 'put', 'newfile1', dummyfile])
assert ret != 0, 'Expected write failure but it succeeded with exit status 0'
# Put back default
manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .97')
time.sleep(10)
# State FULL -> NEAR
log.info('4. Verify write success when NOT exceeding full_ratio')
# Write should succeed
ret = rados(ctx, mon, ['-p', 'foo', 'put', 'newfile2', dummyfile2])
assert ret == 0, 'Expected write to succeed, but got exit status %d' % ret
log.info('5. Verify warning messages again when exceeding nearfull_ratio')
proc = mon.run(
args=[
'daemon-helper',
'kill',
'ceph', '-w'
],
stdin=run.PIPE,
stdout=StringIO(),
wait=False,
)
time.sleep(sleep_time)
proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
proc.wait()
lines = proc.stdout.getvalue().split('\n')
count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
assert count == 1 or count == 2, 'Incorrect number of warning messages expected 1 or 2 got %d' % count
count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
assert count == 0, 'Incorrect number of error messages expected 0 got %d' % count
manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_nearfull_ratio .90')
time.sleep(10)
# State NONE -> FULL
log.info('6. Verify error messages again when exceeding full_ratio')
proc = mon.run(
args=[
'daemon-helper',
'kill',
'ceph', '-w'
],
stdin=run.PIPE,
stdout=StringIO(),
wait=False,
)
manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .00001')
time.sleep(sleep_time)
proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
proc.wait()
lines = proc.stdout.getvalue().split('\n')
count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
assert count == 0, 'Incorrect number of warning messages expected 0 got %d' % count
count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
assert count == 2, 'Incorrect number of error messages expected 2 got %d' % count
# State FULL -> NONE
log.info('7. Verify no messages settings back to default')
manager.raw_cluster_cmd('tell', 'osd.0', 'injectargs', '--osd_failsafe_full_ratio .97')
time.sleep(10)
proc = mon.run(
args=[
'daemon-helper',
'kill',
'ceph', '-w'
],
stdin=run.PIPE,
stdout=StringIO(),
wait=False,
)
time.sleep(sleep_time)
proc.stdin.close() # causes daemon-helper send SIGKILL to ceph -w
proc.wait()
lines = proc.stdout.getvalue().split('\n')
count = len(filter(lambda line: '[WRN] OSD near full' in line, lines))
assert count == 0, 'Incorrect number of warning messages expected 0 got %d' % count
count = len(filter(lambda line: '[ERR] OSD full dropping all updates' in line, lines))
assert count == 0, 'Incorrect number of error messages expected 0 got %d' % count
log.info('Test Passed')
# Bring all OSDs back in
manager.remove_pool("foo")
for osd in osds:
if osd['osd'] != 0:
manager.mark_in_osd(osd['osd'])
def task(ctx, config):
"""
Test peering.
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'peer task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < 3:
manager.sleep(10)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_clean()
for i in range(3):
manager.set_config(i, osd_recovery_delay_start=120)
# take on osd down
manager.kill_osd(2)
manager.mark_down_osd(2)
# kludge to make sure they get a map
rados(ctx, mon, ['-p', 'data', 'get', 'dummy', '-'])
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.wait_for_recovery()
# kill another and revive 2, so that some pgs can't peer.
manager.kill_osd(1)
manager.mark_down_osd(1)
manager.revive_osd(2)
manager.wait_till_osd_is_up(2)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_active_or_down()
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
# look for down pgs
num_down_pgs = 0
pgs = manager.get_pg_stats()
for pg in pgs:
out = manager.raw_cluster_cmd('pg', pg['pgid'], 'query')
log.debug("out string %s", out)
j = json.loads(out)
log.info("pg is %s, query json is %s", pg, j)
if pg['state'].count('down'):
num_down_pgs += 1
# verify that it is blocked on osd.1
rs = j['recovery_state']
assert len(rs) > 0
assert rs[0]['name'] == 'Started/Primary/Peering/GetInfo'
assert rs[1]['name'] == 'Started/Primary/Peering'
assert rs[1]['blocked']
assert rs[1]['down_osds_we_would_probe'] == [1]
assert len(rs[1]['peering_blocked_by']) == 1
assert rs[1]['peering_blocked_by'][0]['osd'] == 1
assert num_down_pgs > 0
# bring it all back
manager.revive_osd(1)
manager.wait_till_osd_is_up(1)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_clean()
def task(ctx, config):
"""
Test handling of lost objects.
A pretty rigid cluseter is brought up andtested by this task
"""
POOL = 'unfounddel_pool'
if config is None:
config = {}
assert isinstance(config, dict), \
'lost_unfound task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.keys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < 3:
time.sleep(10)
manager.flush_pg_stats([0, 1, 2])
manager.wait_for_clean()
manager.create_pool(POOL)
# something that is always there
dummyfile = '/etc/fstab'
# take an osd out until the very end
manager.kill_osd(2)
manager.mark_down_osd(2)
manager.mark_out_osd(2)
# kludge to make sure they get a map
rados(ctx, mon, ['-p', POOL, 'put', 'dummy', dummyfile])
manager.flush_pg_stats([0, 1])
manager.wait_for_recovery()
# create old objects
for f in range(1, 10):
rados(ctx, mon, ['-p', POOL, 'put', 'existing_%d' % f, dummyfile])
rados(ctx, mon, ['-p', POOL, 'put', 'existed_%d' % f, dummyfile])
rados(ctx, mon, ['-p', POOL, 'rm', 'existed_%d' % f])
# delay recovery, and make the pg log very long (to prevent backfill)
manager.raw_cluster_cmd(
'tell', 'osd.1', 'injectargs',
'--osd-recovery-delay-start 1000 --osd-min-pg-log-entries 100000000')
manager.kill_osd(0)
manager.mark_down_osd(0)
for f in range(1, 10):
rados(ctx, mon, ['-p', POOL, 'put', 'new_%d' % f, dummyfile])
rados(ctx, mon, ['-p', POOL, 'put', 'existed_%d' % f, dummyfile])
rados(ctx, mon, ['-p', POOL, 'put', 'existing_%d' % f, dummyfile])
# bring osd.0 back up, let it peer, but don't replicate the new
# objects...
log.info('osd.0 command_args is %s' % 'foo')
log.info(ctx.daemons.get_daemon('osd', 0).command_args)
ctx.daemons.get_daemon('osd', 0).command_kwargs['args'].extend(
['--osd-recovery-delay-start', '1000'])
manager.revive_osd(0)
manager.mark_in_osd(0)
manager.wait_till_osd_is_up(0)
manager.flush_pg_stats([0, 1])
manager.wait_till_active()
# take out osd.1 and the only copy of those objects.
manager.kill_osd(1)
manager.mark_down_osd(1)
manager.mark_out_osd(1)
manager.raw_cluster_cmd('osd', 'lost', '1', '--yes-i-really-mean-it')
# bring up osd.2 so that things would otherwise, in theory, recovery fully
manager.revive_osd(2)
manager.mark_in_osd(2)
manager.wait_till_osd_is_up(2)
manager.flush_pg_stats([0, 2])
manager.wait_till_active()
manager.flush_pg_stats([0, 2])
# verify that there are unfound objects
unfound = manager.get_num_unfound_objects()
log.info("there are %d unfound objects" % unfound)
assert unfound
testdir = teuthology.get_testdir(ctx)
procs = []
if config.get('parallel_bench', True):
procs.append(
mon.run(args=[
"/bin/sh",
"-c",
" ".join([
'adjust-ulimits',
'ceph-coverage',
'{tdir}/archive/coverage',
'rados',
'--no-log-to-stderr',
'--name',
'client.admin',
'-b',
str(4 << 10),
'-p',
POOL,
'-t',
'20',
'bench',
'240',
'write',
]).format(tdir=testdir),
],
logger=log.getChild(
'radosbench.{id}'.format(id='client.admin')),
stdin=run.PIPE,
wait=False))
time.sleep(10)
# mark stuff lost
pgs = manager.get_pg_stats()
for pg in pgs:
if pg['stat_sum']['num_objects_unfound'] > 0:
primary = 'osd.%d' % pg['acting'][0]
# verify that i can list them direct from the osd
log.info('listing missing/lost in %s state %s', pg['pgid'],
pg['state'])
m = manager.list_pg_unfound(pg['pgid'])
#log.info('%s' % m)
assert m['num_unfound'] == pg['stat_sum']['num_objects_unfound']
num_unfound = 0
for o in m['objects']:
if len(o['locations']) == 0:
num_unfound += 1
assert m['num_unfound'] == num_unfound
log.info("reverting unfound in %s on %s", pg['pgid'], primary)
manager.raw_cluster_cmd('pg', pg['pgid'], 'mark_unfound_lost',
'delete')
else:
log.info("no unfound in %s", pg['pgid'])
manager.raw_cluster_cmd('tell', 'osd.0', 'debug', 'kick_recovery_wq', '5')
manager.raw_cluster_cmd('tell', 'osd.2', 'debug', 'kick_recovery_wq', '5')
manager.flush_pg_stats([0, 2])
manager.wait_for_recovery()
# verify result
for f in range(1, 10):
err = rados(ctx, mon, ['-p', POOL, 'get', 'new_%d' % f, '-'])
assert err
err = rados(ctx, mon, ['-p', POOL, 'get', 'existed_%d' % f, '-'])
assert err
err = rados(ctx, mon, ['-p', POOL, 'get', 'existing_%d' % f, '-'])
assert err
# see if osd.1 can cope
manager.mark_in_osd(1)
manager.revive_osd(1)
manager.wait_till_osd_is_up(1)
manager.wait_for_clean()
run.wait(procs)
def task(ctx, config):
"""
Test monitor recovery from OSD
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'))
mons = ctx.cluster.only(teuthology.is_type('mon'))
assert mons
# note down the first cluster_name and mon_id
# we will recover it later on
cluster_name = None
mon_id = None
for remote, roles in mons.remotes.iteritems():
is_mon = teuthology.is_type('mon')
for role in roles:
if not is_mon(role):
continue
cluster, _, m = teuthology.split_role(role)
if cluster_name is None:
cluster_name = cluster
mon_id = m
assert cluster_name == cluster
log.info('killing {cluster}:mon.{mon}'.format(
cluster=cluster,
mon=m))
manager.kill_mon(m)
mon_data = os.path.join('/var/lib/ceph/mon/',
'{0}-{1}'.format(cluster_name, m))
if m == mon_id:
# so we will only need to recreate the store.db for the
# first mon, would be easier than mkfs on it then replace
# the its store.db with the recovered one
store_dir = os.path.join(mon_data, 'store.db')
remote.run(args=['sudo', 'rm', '-r', store_dir])
else:
remote.run(args=['sudo', 'rm', '-r', mon_data])
local_mstore = tempfile.mkdtemp()
# collect the maps from all OSDs
osds = ctx.cluster.only(teuthology.is_type('osd'))
assert osds
for osd, roles in osds.remotes.iteritems():
is_osd = teuthology.is_type('osd')
for role in roles:
if not is_osd(role):
continue
cluster, _, osd_id = teuthology.split_role(role)
assert cluster_name == cluster
log.info('collecting maps from {cluster}:osd.{osd}'.format(
cluster=cluster,
osd=osd_id))
# push leveldb to OSD
osd_mstore = os.path.join(teuthology.get_testdir(ctx), 'mon-store')
osd.run(args=['sudo', 'mkdir', '-m', 'o+x', '-p', osd_mstore])
push_directory(local_mstore, osd, osd_mstore)
log.info('rm -rf {0}'.format(local_mstore))
shutil.rmtree(local_mstore)
# update leveldb with OSD data
options = '--op update-mon-db --mon-store-path {0}'
log.info('cot {0}'.format(osd_mstore))
manager.objectstore_tool(pool=None,
options=options.format(osd_mstore),
args='',
osd=osd_id,
do_revive=False)
# pull the updated mon db
log.info('pull dir {0} -> {1}'.format(osd_mstore, local_mstore))
local_mstore = tempfile.mkdtemp()
teuthology.pull_directory(osd, osd_mstore, local_mstore)
log.info('rm -rf osd:{0}'.format(osd_mstore))
osd.run(args=['sudo', 'rm', '-fr', osd_mstore])
# recover the first_mon with re-built mon db
# pull from recovered leveldb from client
mon_store_dir = os.path.join('/var/lib/ceph/mon',
'{0}-{1}'.format(cluster_name, mon_id))
push_directory(local_mstore, mon, mon_store_dir)
mon.run(args=['sudo', 'chown', '-R', 'ceph:ceph', mon_store_dir])
shutil.rmtree(local_mstore)
default_keyring = '/etc/ceph/{cluster}.keyring'.format(
cluster=cluster_name)
keyring_path = config.get('keyring_path', default_keyring)
# fill up the caps in the keyring file
mon.run(args=['sudo',
'ceph-authtool', keyring_path,
'-n', 'mon.',
'--cap', 'mon', 'allow *'])
mon.run(args=['sudo',
'ceph-authtool', keyring_path,
'-n', 'client.admin',
'--cap', 'mon', 'allow *',
'--cap', 'osd', 'allow *',
'--cap', 'mds', 'allow *'])
mon.run(args=['sudo', '-u', 'ceph',
'ceph-monstore-tool', mon_store_dir,
'rebuild', '--', '--keyring',
keyring_path])
# revive monitors
# the initial monmap is in the ceph.conf, so we are good.
n_mons = 0
for remote, roles in mons.remotes.iteritems():
is_mon = teuthology.is_type('mon')
for role in roles:
if not is_mon(role):
continue
cluster, _, m = teuthology.split_role(role)
assert cluster_name == cluster
if mon_id != m:
log.info('running mkfs on {cluster}:mon.{mon}'.format(
cluster=cluster,
mon=m))
remote.run(
args=[
'sudo',
'ceph-mon',
'--cluster', cluster,
'--mkfs',
'-i', m,
'--keyring', keyring_path])
manager.revive_mon(m)
n_mons += 1
manager.wait_for_mon_quorum_size(n_mons, timeout=30)
for osd, roles in osds.remotes.iteritems():
is_osd = teuthology.is_type('osd')
for role in roles:
if not is_osd(role):
continue
_, _, osd_id = teuthology.split_role(role)
log.info('reviving osd.{0}'.format(osd_id))
manager.revive_osd(osd_id)
def task(ctx, config):
"""
Stress test the mds by thrashing while another task/workunit
is running.
Please refer to MDSThrasher class for further information on the
available options.
"""
mds_cluster = MDSCluster(ctx)
if config is None:
config = {}
assert isinstance(config, dict), \
'mds_thrash task only accepts a dict for configuration'
mdslist = list(teuthology.all_roles_of_type(ctx.cluster, 'mds'))
assert len(mdslist) > 1, \
'mds_thrash task requires at least 2 metadata servers'
# choose random seed
if 'seed' in config:
seed = int(config['seed'])
else:
seed = int(time.time())
log.info('mds thrasher using random seed: {seed}'.format(seed=seed))
random.seed(seed)
(first,) = ctx.cluster.only('mds.{_id}'.format(_id=mdslist[0])).remotes.keys()
manager = ceph_manager.CephManager(
first, ctx=ctx, logger=log.getChild('ceph_manager'),
)
# make sure everyone is in active, standby, or standby-replay
log.info('Wait for all MDSs to reach steady state...')
status = mds_cluster.status()
while True:
steady = True
for info in status.get_all():
state = info['state']
if state not in ('up:active', 'up:standby', 'up:standby-replay'):
steady = False
break
if steady:
break
sleep(2)
status = mds_cluster.status()
log.info('Ready to start thrashing')
manager.wait_for_clean()
assert manager.is_clean()
if 'cluster' not in config:
config['cluster'] = 'ceph'
for fs in status.get_filesystems():
thrasher = MDSThrasher(ctx, manager, config, Filesystem(ctx, fs['id']), fs['mdsmap']['max_mds'])
thrasher.start()
ctx.ceph[config['cluster']].thrashers.append(thrasher)
try:
log.debug('Yielding')
yield
finally:
log.info('joining mds_thrasher')
thrasher.stop()
if thrasher.exception is not None:
raise RuntimeError('error during thrashing')
thrasher.join()
log.info('done joining')
def task(ctx, config):
"""
Test backfill
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'thrashosds task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
log.info('num_osds is %s' % num_osds)
assert num_osds == 3
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < 3:
manager.sleep(10)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_clean()
# write some data
p = rados_start(
ctx, mon,
['-p', 'rbd', 'bench', '15', 'write', '-b', '4096', '--no-cleanup'])
err = p.wait()
log.info('err is %d' % err)
# mark osd.0 out to trigger a rebalance/backfill
manager.mark_out_osd(0)
# also mark it down to it won't be included in pg_temps
manager.kill_osd(0)
manager.mark_down_osd(0)
# wait for everything to peer and be happy...
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_recovery()
# write some new data
p = rados_start(
ctx, mon,
['-p', 'rbd', 'bench', '30', 'write', '-b', '4096', '--no-cleanup'])
time.sleep(15)
# blackhole + restart osd.1
# this triggers a divergent backfill target
manager.blackhole_kill_osd(1)
time.sleep(2)
manager.revive_osd(1)
# wait for our writes to complete + succeed
err = p.wait()
log.info('err is %d' % err)
# cluster must recover
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_recovery()
# re-add osd.0
manager.revive_osd(0)
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_clean()
def task(ctx, config):
"""
Go through filesystem creation with a synthetic failure in an MDS
in its 'up:creating' state, to exercise the retry behaviour.
"""
# Grab handles to the teuthology objects of interest
mdslist = list(misc.all_roles_of_type(ctx.cluster, 'mds'))
if len(mdslist) != 1:
# Require exactly one MDS, the code path for creation failure when
# a standby is available is different
raise RuntimeError("This task requires exactly one MDS")
mds_id = mdslist[0]
(mds_remote,) = ctx.cluster.only('mds.{_id}'.format(_id=mds_id)).remotes.iterkeys()
manager = ceph_manager.CephManager(
mds_remote, ctx=ctx, logger=log.getChild('ceph_manager'),
)
# Stop MDS
manager.raw_cluster_cmd('mds', 'set', "max_mds", "0")
mds = ctx.daemons.get_daemon('mds', mds_id)
mds.stop()
manager.raw_cluster_cmd('mds', 'fail', mds_id)
# Reset the filesystem so that next start will go into CREATING
manager.raw_cluster_cmd('fs', 'rm', "default", "--yes-i-really-mean-it")
manager.raw_cluster_cmd('fs', 'new', "default", "metadata", "data")
# Start the MDS with mds_kill_create_at set, it will crash during creation
mds.restart_with_args(["--mds_kill_create_at=1"])
try:
mds.wait_for_exit()
except CommandFailedError as e:
if e.exitstatus == 1:
log.info("MDS creation killed as expected")
else:
log.error("Unexpected status code %s" % e.exitstatus)
raise
# Since I have intentionally caused a crash, I will clean up the resulting core
# file to avoid task.internal.coredump seeing it as a failure.
log.info("Removing core file from synthetic MDS failure")
mds_remote.run(args=['rm', '-f', Raw("{archive}/coredump/*.core".format(archive=misc.get_archive_dir(ctx)))])
# It should have left the MDS map state still in CREATING
status = manager.get_mds_status(mds_id)
assert status['state'] == 'up:creating'
# Start the MDS again without the kill flag set, it should proceed with creation successfully
mds.restart()
# Wait for state ACTIVE
t = 0
create_timeout = 120
while True:
status = manager.get_mds_status(mds_id)
if status['state'] == 'up:active':
log.info("MDS creation completed successfully")
break
elif status['state'] == 'up:creating':
log.info("MDS still in creating state")
if t > create_timeout:
log.error("Creating did not complete within %ss" % create_timeout)
raise RuntimeError("Creating did not complete within %ss" % create_timeout)
t += 1
time.sleep(1)
else:
log.error("Unexpected MDS state: %s" % status['state'])
assert(status['state'] in ['up:active', 'up:creating'])
# The system should be back up in a happy healthy state, go ahead and run any further tasks
# inside this context.
yield
def task(ctx, config):
"""
Test handling of object location going down
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'lost_unfound task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.keys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < 3:
time.sleep(10)
manager.wait_for_clean()
# something that is always there
dummyfile = '/etc/fstab'
# take 0, 1 out
manager.mark_out_osd(0)
manager.mark_out_osd(1)
manager.wait_for_clean()
# delay recovery, and make the pg log very long (to prevent backfill)
manager.raw_cluster_cmd(
'tell', 'osd.0',
'injectargs',
'--osd-recovery-delay-start 10000 --osd-min-pg-log-entries 100000000'
)
# delay recovery, and make the pg log very long (to prevent backfill)
manager.raw_cluster_cmd(
'tell', 'osd.1',
'injectargs',
'--osd-recovery-delay-start 10000 --osd-min-pg-log-entries 100000000'
)
# delay recovery, and make the pg log very long (to prevent backfill)
manager.raw_cluster_cmd(
'tell', 'osd.2',
'injectargs',
'--osd-recovery-delay-start 10000 --osd-min-pg-log-entries 100000000'
)
# delay recovery, and make the pg log very long (to prevent backfill)
manager.raw_cluster_cmd(
'tell', 'osd.3',
'injectargs',
'--osd-recovery-delay-start 10000 --osd-min-pg-log-entries 100000000'
)
# kludge to make sure they get a map
rados(ctx, mon, ['-p', 'data', 'put', 'dummy', dummyfile])
# create old objects
for f in range(1, 10):
rados(ctx, mon, ['-p', 'data', 'put', 'existing_%d' % f, dummyfile])
manager.mark_out_osd(3)
manager.wait_till_active()
manager.mark_in_osd(0)
manager.wait_till_active()
manager.flush_pg_stats([2, 0])
manager.mark_out_osd(2)
manager.wait_till_active()
# bring up 1
manager.mark_in_osd(1)
manager.wait_till_active()
manager.flush_pg_stats([0, 1])
log.info("Getting unfound objects")
unfound = manager.get_num_unfound_objects()
assert not unfound
manager.kill_osd(2)
manager.mark_down_osd(2)
manager.kill_osd(3)
manager.mark_down_osd(3)
manager.flush_pg_stats([0, 1])
log.info("Getting unfound objects")
unfound = manager.get_num_unfound_objects()
assert unfound
def task(ctx, config):
"""
Test [deep] scrub
tasks:
- chef:
- install:
- ceph:
log-whitelist:
- '!= known digest'
- '!= known omap_digest'
- deep-scrub 0 missing, 1 inconsistent objects
- deep-scrub 1 errors
- repair 0 missing, 1 inconsistent objects
- repair 1 errors, 1 fixed
- scrub_test:
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'scrub_test task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
log.info('num_osds is %s' % num_osds)
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < num_osds:
time.sleep(10)
for i in range(num_osds):
manager.raw_cluster_cmd('tell', 'osd.%d' % i, 'flush_pg_stats')
manager.wait_for_clean()
# write some data
p = manager.do_rados(mon, ['-p', 'rbd', 'bench', '--no-cleanup', '1',
'write', '-b', '4096'])
log.info('err is %d' % p.exitstatus)
# wait for some PG to have data that we can mess with
pg, acting = wait_for_victim_pg(manager)
osd = acting[0]
osd_remote, obj_path, obj_name = find_victim_object(ctx, pg, osd)
manager.do_rados(mon, ['-p', 'rbd', 'setomapval', obj_name, 'key', 'val'])
log.info('err is %d' % p.exitstatus)
manager.do_rados(mon, ['-p', 'rbd', 'setomapheader', obj_name, 'hdr'])
log.info('err is %d' % p.exitstatus)
log.info('messing with PG %s on osd %d' % (pg, osd))
test_repair_corrupted_obj(ctx, manager, pg, osd_remote, obj_path)
test_repair_bad_omap(ctx, manager, pg, osd, obj_name)
test_list_inconsistent_obj(ctx, manager, osd_remote, pg, acting, osd,
obj_name, obj_path)
log.info('test successful!')
def task(ctx, config):
"""
Test handling of lost objects on an ec pool.
A pretty rigid cluster is brought up andtested by this task
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'lost_unfound task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
manager.wait_for_clean()
profile = config.get('erasure_code_profile', {
'k': '2',
'm': '2',
'ruleset-failure-domain': 'osd'
})
profile_name = profile.get('name', 'lost_unfound')
manager.create_erasure_code_profile(profile_name, profile)
pool = manager.create_pool_with_unique_name(
erasure_code_profile_name=profile_name)
# something that is always there, readable and never empty
dummyfile = '/etc/group'
# kludge to make sure they get a map
rados(ctx, mon, ['-p', pool, 'put', 'dummy', dummyfile])
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.wait_for_recovery()
# create old objects
for f in range(1, 10):
rados(ctx, mon, ['-p', pool, 'put', 'existing_%d' % f, dummyfile])
rados(ctx, mon, ['-p', pool, 'put', 'existed_%d' % f, dummyfile])
rados(ctx, mon, ['-p', pool, 'rm', 'existed_%d' % f])
# delay recovery, and make the pg log very long (to prevent backfill)
manager.raw_cluster_cmd(
'tell', 'osd.1', 'injectargs',
'--osd-recovery-delay-start 1000 --osd-min-pg-log-entries 100000000')
manager.kill_osd(0)
manager.mark_down_osd(0)
manager.kill_osd(3)
manager.mark_down_osd(3)
for f in range(1, 10):
rados(ctx, mon, ['-p', pool, 'put', 'new_%d' % f, dummyfile])
rados(ctx, mon, ['-p', pool, 'put', 'existed_%d' % f, dummyfile])
rados(ctx, mon, ['-p', pool, 'put', 'existing_%d' % f, dummyfile])
# take out osd.1 and a necessary shard of those objects.
manager.kill_osd(1)
manager.mark_down_osd(1)
manager.raw_cluster_cmd('osd', 'lost', '1', '--yes-i-really-mean-it')
manager.revive_osd(0)
manager.wait_till_osd_is_up(0)
manager.revive_osd(3)
manager.wait_till_osd_is_up(3)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
manager.wait_till_active()
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
# verify that there are unfound objects
unfound = manager.get_num_unfound_objects()
log.info("there are %d unfound objects" % unfound)
assert unfound
# mark stuff lost
pgs = manager.get_pg_stats()
for pg in pgs:
if pg['stat_sum']['num_objects_unfound'] > 0:
# verify that i can list them direct from the osd
log.info('listing missing/lost in %s state %s', pg['pgid'],
pg['state'])
m = manager.list_pg_missing(pg['pgid'])
log.info('%s' % m)
assert m['num_unfound'] == pg['stat_sum']['num_objects_unfound']
log.info("reverting unfound in %s", pg['pgid'])
manager.raw_cluster_cmd('pg', pg['pgid'], 'mark_unfound_lost',
'delete')
else:
log.info("no unfound in %s", pg['pgid'])
manager.raw_cluster_cmd('tell', 'osd.0', 'debug', 'kick_recovery_wq', '5')
manager.raw_cluster_cmd('tell', 'osd.2', 'debug', 'kick_recovery_wq', '5')
manager.raw_cluster_cmd('tell', 'osd.3', 'debug', 'kick_recovery_wq', '5')
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
manager.wait_for_recovery()
# verify result
for f in range(1, 10):
err = rados(ctx, mon, ['-p', pool, 'get', 'new_%d' % f, '-'])
assert err
err = rados(ctx, mon, ['-p', pool, 'get', 'existed_%d' % f, '-'])
assert err
err = rados(ctx, mon, ['-p', pool, 'get', 'existing_%d' % f, '-'])
assert err
# see if osd.1 can cope
manager.revive_osd(1)
manager.wait_till_osd_is_up(1)
manager.wait_for_clean()
def task(ctx, config):
"""
Test [deep] scrub
tasks:
- chef:
- install:
- ceph:
log-whitelist:
- '!= known digest'
- '!= known omap_digest'
- deep-scrub 0 missing, 1 inconsistent objects
- deep-scrub 1 errors
- repair 0 missing, 1 inconsistent objects
- repair 1 errors, 1 fixed
- scrub_test:
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'scrub_test task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
log.info('num_osds is %s' % num_osds)
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < num_osds:
time.sleep(10)
for i in range(num_osds):
manager.raw_cluster_cmd('tell', 'osd.%d' % i, 'flush_pg_stats')
manager.wait_for_clean()
# write some data
p = manager.do_rados(
mon,
['-p', 'rbd', 'bench', '--no-cleanup', '1', 'write', '-b', '4096'])
err = p.exitstatus
log.info('err is %d' % err)
# wait for some PG to have data that we can mess with
victim = None
osd = None
while victim is None:
stats = manager.get_pg_stats()
for pg in stats:
size = pg['stat_sum']['num_bytes']
if size > 0:
victim = pg['pgid']
osd = pg['acting'][0]
break
if victim is None:
time.sleep(3)
log.info('messing with PG %s on osd %d' % (victim, osd))
(osd_remote, ) = ctx.cluster.only('osd.%d' % osd).remotes.iterkeys()
data_path = os.path.join('/var/lib/ceph/osd', 'ceph-{id}'.format(id=osd),
'current', '{pg}_head'.format(pg=victim))
# fuzz time
ls_fp = StringIO()
osd_remote.run(
args=['sudo', 'ls', data_path],
stdout=ls_fp,
)
ls_out = ls_fp.getvalue()
ls_fp.close()
# find an object file we can mess with
osdfilename = None
for line in ls_out.split('\n'):
if 'object' in line:
osdfilename = line
break
assert osdfilename is not None
# Get actual object name from osd stored filename
tmp = osdfilename.split('__')
objname = tmp[0]
objname = objname.replace('\u', '_')
log.info('fuzzing %s' % objname)
# put a single \0 at the beginning of the file
osd_remote.run(args=[
'sudo', 'dd', 'if=/dev/zero',
'of=%s' %
os.path.join(data_path, osdfilename), 'bs=1', 'count=1', 'conv=notrunc'
])
# scrub, verify inconsistent
manager.raw_cluster_cmd('pg', 'deep-scrub', victim)
# Give deep-scrub a chance to start
time.sleep(60)
while True:
stats = manager.get_single_pg_stats(victim)
state = stats['state']
# wait for the scrub to finish
if 'scrubbing' in state:
time.sleep(3)
continue
inconsistent = stats['state'].find('+inconsistent') != -1
assert inconsistent
break
# repair, verify no longer inconsistent
manager.raw_cluster_cmd('pg', 'repair', victim)
# Give repair a chance to start
time.sleep(60)
while True:
stats = manager.get_single_pg_stats(victim)
state = stats['state']
# wait for the scrub to finish
if 'scrubbing' in state:
time.sleep(3)
continue
inconsistent = stats['state'].find('+inconsistent') != -1
assert not inconsistent
break
# Test deep-scrub with various omap modifications
manager.do_rados(mon, ['-p', 'rbd', 'setomapval', objname, 'key', 'val'])
manager.do_rados(mon, ['-p', 'rbd', 'setomapheader', objname, 'hdr'])
# Modify omap on specific osd
log.info('fuzzing omap of %s' % objname)
manager.osd_admin_socket(osd, ['rmomapkey', 'rbd', objname, 'key'])
manager.osd_admin_socket(
osd, ['setomapval', 'rbd', objname, 'badkey', 'badval'])
manager.osd_admin_socket(osd, ['setomapheader', 'rbd', objname, 'badhdr'])
# scrub, verify inconsistent
manager.raw_cluster_cmd('pg', 'deep-scrub', victim)
# Give deep-scrub a chance to start
time.sleep(60)
while True:
stats = manager.get_single_pg_stats(victim)
state = stats['state']
# wait for the scrub to finish
if 'scrubbing' in state:
time.sleep(3)
continue
inconsistent = stats['state'].find('+inconsistent') != -1
assert inconsistent
break
# repair, verify no longer inconsistent
manager.raw_cluster_cmd('pg', 'repair', victim)
# Give repair a chance to start
time.sleep(60)
while True:
stats = manager.get_single_pg_stats(victim)
state = stats['state']
# wait for the scrub to finish
if 'scrubbing' in state:
time.sleep(3)
continue
inconsistent = stats['state'].find('+inconsistent') != -1
assert not inconsistent
break
log.info('test successful!')
def task(ctx, config):
"""
Stress test the mds by thrashing while another task/workunit
is running.
Please refer to MDSThrasher class for further information on the
available options.
"""
mds_cluster = MDSCluster(ctx)
if config is None:
config = {}
assert isinstance(config, dict), \
'mds_thrash task only accepts a dict for configuration'
mdslist = list(teuthology.all_roles_of_type(ctx.cluster, 'mds'))
assert len(mdslist) > 1, \
'mds_thrash task requires at least 2 metadata servers'
# choose random seed
if 'seed' in config:
seed = int(config['seed'])
else:
seed = int(time.time())
log.info('mds thrasher using random seed: {seed}'.format(seed=seed))
random.seed(seed)
max_thrashers = config.get('max_thrash', 1)
thrashers = {}
(first, ) = ctx.cluster.only(
'mds.{_id}'.format(_id=mdslist[0])).remotes.iterkeys()
manager = ceph_manager.CephManager(
first,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
# make sure everyone is in active, standby, or standby-replay
log.info('Wait for all MDSs to reach steady state...')
statuses = None
statuses_by_rank = None
while True:
statuses = {m: mds_cluster.get_mds_info(m) for m in mdslist}
statuses_by_rank = {}
for _, s in statuses.iteritems():
if isinstance(s, dict):
statuses_by_rank[s['rank']] = s
ready = filter(
lambda (_, s): s is not None and (s['state'] == 'up:active' or s[
'state'] == 'up:standby' or s['state'] == 'up:standby-replay'),
statuses.items())
if len(ready) == len(statuses):
break
time.sleep(2)
log.info('Ready to start thrashing')
# setup failure groups
failure_groups = {}
actives = {
s['name']: s
for (_, s) in statuses.iteritems() if s['state'] == 'up:active'
}
log.info('Actives is: {d}'.format(d=actives))
log.info('Statuses is: {d}'.format(d=statuses_by_rank))
for active in actives:
for (r, s) in statuses.iteritems():
if s['standby_for_name'] == active:
if not active in failure_groups:
failure_groups[active] = []
log.info('Assigning mds rank {r} to failure group {g}'.format(
r=r, g=active))
failure_groups[active].append(r)
manager.wait_for_clean()
for (active, standbys) in failure_groups.iteritems():
weight = 1.0
if 'thrash_weights' in config:
weight = int(config['thrash_weights'].get(
'mds.{_id}'.format(_id=active), '0.0'))
failure_group = [active]
failure_group.extend(standbys)
thrasher = MDSThrasher(
ctx,
manager,
mds_cluster,
config,
logger=log.getChild(
'mds_thrasher.failure_group.[{a}, {sbs}]'.format(
a=active, sbs=', '.join(standbys))),
failure_group=failure_group,
weight=weight)
thrasher.start()
thrashers[active] = thrasher
# if thrash_weights isn't specified and we've reached max_thrash,
# we're done
if 'thrash_weights' not in config and len(thrashers) == max_thrashers:
break
try:
log.debug('Yielding')
yield
finally:
log.info('joining mds_thrashers')
for t in thrashers:
log.info('join thrasher for failure group [{fg}]'.format(
fg=', '.join(failure_group)))
thrashers[t].stop()
thrashers[t].get() # Raise any exception from _run()
thrashers[t].join()
log.info('done joining')
def test_incomplete_pgs(ctx, config):
"""
Test handling of incomplete pgs. Requires 4 osds.
"""
testdir = teuthology.get_testdir(ctx)
if config is None:
config = {}
assert isinstance(config, dict), \
'task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
log.info('num_osds is %s' % num_osds)
assert num_osds == 4
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < 4:
time.sleep(10)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
manager.wait_for_clean()
log.info('Testing incomplete pgs...')
for i in range(4):
manager.set_config(i, osd_recovery_delay_start=1000)
# move data off of osd.0, osd.1
manager.raw_cluster_cmd('osd', 'out', '0', '1')
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
manager.wait_for_clean()
# lots of objects in rbd (no pg log, will backfill)
p = rados_start(
testdir, mon,
['-p', 'rbd', 'bench', '20', 'write', '-b', '1', '--no-cleanup'])
p.wait()
# few objects in rbd pool (with pg log, normal recovery)
for f in range(1, 20):
p = rados_start(testdir, mon,
['-p', 'rbd', 'put',
'foo.%d' % f, '/etc/passwd'])
p.wait()
# move it back
manager.raw_cluster_cmd('osd', 'in', '0', '1')
manager.raw_cluster_cmd('osd', 'out', '2', '3')
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
manager.wait_for_active()
assert not manager.is_clean()
assert not manager.is_recovered()
# kill 2 + 3
log.info('stopping 2,3')
manager.kill_osd(2)
manager.kill_osd(3)
log.info('...')
manager.raw_cluster_cmd('osd', 'down', '2', '3')
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.wait_for_active_or_down()
assert manager.get_num_down() > 0
# revive 2 + 3
manager.revive_osd(2)
manager.revive_osd(3)
while len(manager.get_osd_status()['up']) < 4:
log.info('waiting a bit...')
time.sleep(2)
log.info('all are up!')
for i in range(4):
manager.kick_recovery_wq(i)
# cluster must recover
manager.wait_for_clean()
def task(ctx, config):
"""
Test [deep] scrub
tasks:
- chef:
- install:
- ceph:
log-whitelist:
- '!= data_digest'
- '!= omap_digest'
- '!= size'
- deep-scrub 0 missing, 1 inconsistent objects
- deep-scrub [0-9]+ errors
- repair 0 missing, 1 inconsistent objects
- repair [0-9]+ errors, [0-9]+ fixed
- shard [0-9]+ .* : missing
- deep-scrub 1 missing, 1 inconsistent objects
- does not match object info size
- attr name mistmatch
- deep-scrub 1 missing, 0 inconsistent objects
- failed to pick suitable auth object
- candidate size [0-9]+ info size [0-9]+ mismatch
conf:
osd:
osd deep scrub update digest min age: 0
- scrub_test:
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'scrub_test task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon,) = ctx.cluster.only(first_mon).remotes.keys()
num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
log.info('num_osds is %s' % num_osds)
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < num_osds:
time.sleep(10)
for i in range(num_osds):
manager.raw_cluster_cmd('tell', 'osd.%d' % i, 'injectargs',
'--', '--osd-objectstore-fuse')
manager.flush_pg_stats(range(num_osds))
manager.wait_for_clean()
# write some data
p = manager.do_rados(mon, ['-p', 'rbd', 'bench', '--no-cleanup', '1',
'write', '-b', '4096'])
log.info('err is %d' % p.exitstatus)
# wait for some PG to have data that we can mess with
pg, acting = wait_for_victim_pg(manager)
osd = acting[0]
osd_remote, obj_path, obj_name = find_victim_object(ctx, pg, osd)
manager.do_rados(mon, ['-p', 'rbd', 'setomapval', obj_name, 'key', 'val'])
log.info('err is %d' % p.exitstatus)
manager.do_rados(mon, ['-p', 'rbd', 'setomapheader', obj_name, 'hdr'])
log.info('err is %d' % p.exitstatus)
# Update missing digests, requires "osd deep scrub update digest min age: 0"
pgnum = get_pgnum(pg)
manager.do_pg_scrub('rbd', pgnum, 'deep-scrub')
log.info('messing with PG %s on osd %d' % (pg, osd))
test_repair_corrupted_obj(ctx, manager, pg, osd_remote, obj_path, 'rbd')
test_repair_bad_omap(ctx, manager, pg, osd, obj_name)
test_list_inconsistent_obj(ctx, manager, osd_remote, pg, acting, osd,
obj_name, obj_path)
log.info('test successful!')
# shut down fuse mount
for i in range(num_osds):
manager.raw_cluster_cmd('tell', 'osd.%d' % i, 'injectargs',
'--', '--no-osd-objectstore-fuse')
time.sleep(5)
log.info('done')
def task(ctx, config):
"""
Test handling of lost objects on an ec pool.
A pretty rigid cluster is brought up andtested by this task
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'lost_unfound task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.keys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
manager.wait_for_clean()
profile = config.get('erasure_code_profile', {
'k': '2',
'm': '2',
'crush-failure-domain': 'osd'
})
profile_name = profile.get('name', 'lost_unfound')
manager.create_erasure_code_profile(profile_name, profile)
pool = manager.create_pool_with_unique_name(
erasure_code_profile_name=profile_name, min_size=2)
# something that is always there, readable and never empty
dummyfile = '/etc/group'
# kludge to make sure they get a map
rados(ctx, mon, ['-p', pool, 'put', 'dummy', dummyfile])
manager.flush_pg_stats([0, 1])
manager.wait_for_recovery()
# create old objects
for f in range(1, 10):
rados(ctx, mon, ['-p', pool, 'put', 'existing_%d' % f, dummyfile])
rados(ctx, mon, ['-p', pool, 'put', 'existed_%d' % f, dummyfile])
rados(ctx, mon, ['-p', pool, 'rm', 'existed_%d' % f])
# delay recovery, and make the pg log very long (to prevent backfill)
manager.raw_cluster_cmd(
'tell', 'osd.1', 'injectargs',
'--osd-recovery-delay-start 1000 --osd-min-pg-log-entries 100000000')
manager.kill_osd(0)
manager.mark_down_osd(0)
manager.kill_osd(3)
manager.mark_down_osd(3)
for f in range(1, 10):
rados(ctx, mon, ['-p', pool, 'put', 'new_%d' % f, dummyfile])
rados(ctx, mon, ['-p', pool, 'put', 'existed_%d' % f, dummyfile])
rados(ctx, mon, ['-p', pool, 'put', 'existing_%d' % f, dummyfile])
# take out osd.1 and a necessary shard of those objects.
manager.kill_osd(1)
manager.mark_down_osd(1)
manager.raw_cluster_cmd('osd', 'lost', '1', '--yes-i-really-mean-it')
manager.revive_osd(0)
manager.wait_till_osd_is_up(0)
manager.revive_osd(3)
manager.wait_till_osd_is_up(3)
manager.flush_pg_stats([0, 2, 3])
manager.wait_till_active()
manager.flush_pg_stats([0, 2, 3])
# verify that there are unfound objects
unfound = manager.get_num_unfound_objects()
log.info("there are %d unfound objects" % unfound)
assert unfound
testdir = teuthology.get_testdir(ctx)
procs = []
if config.get('parallel_bench', True):
procs.append(
mon.run(args=[
"/bin/sh",
"-c",
" ".join([
'adjust-ulimits',
'ceph-coverage',
'{tdir}/archive/coverage',
'rados',
'--no-log-to-stderr',
'--name',
'client.admin',
'-b',
str(4 << 10),
'-p',
pool,
'-t',
'20',
'bench',
'240',
'write',
]).format(tdir=testdir),
],
logger=log.getChild(
'radosbench.{id}'.format(id='client.admin')),
stdin=run.PIPE,
wait=False))
time.sleep(10)
# mark stuff lost
pgs = manager.get_pg_stats()
for pg in pgs:
if pg['stat_sum']['num_objects_unfound'] > 0:
# verify that i can list them direct from the osd
log.info('listing missing/lost in %s state %s', pg['pgid'],
pg['state'])
m = manager.list_pg_unfound(pg['pgid'])
log.info('%s' % m)
assert m['num_unfound'] == pg['stat_sum']['num_objects_unfound']
log.info("reverting unfound in %s", pg['pgid'])
manager.raw_cluster_cmd('pg', pg['pgid'], 'mark_unfound_lost',
'delete')
else:
log.info("no unfound in %s", pg['pgid'])
manager.raw_cluster_cmd('tell', 'osd.0', 'debug', 'kick_recovery_wq', '5')
manager.raw_cluster_cmd('tell', 'osd.2', 'debug', 'kick_recovery_wq', '5')
manager.raw_cluster_cmd('tell', 'osd.3', 'debug', 'kick_recovery_wq', '5')
manager.flush_pg_stats([0, 2, 3])
manager.wait_for_recovery()
if not config.get('parallel_bench', True):
time.sleep(20)
# verify result
for f in range(1, 10):
err = rados(ctx, mon, ['-p', pool, 'get', 'new_%d' % f, '-'])
assert err
err = rados(ctx, mon, ['-p', pool, 'get', 'existed_%d' % f, '-'])
assert err
err = rados(ctx, mon, ['-p', pool, 'get', 'existing_%d' % f, '-'])
assert err
# see if osd.1 can cope
manager.revive_osd(1)
manager.wait_till_osd_is_up(1)
manager.wait_for_clean()
run.wait(procs)
def task(ctx, config):
"""
Test handling of divergent entries with prior_version
prior to log_tail
config: none
Requires 3 osds.
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'divergent_priors task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
ctx.manager = manager
while len(manager.get_osd_status()['up']) < 3:
time.sleep(10)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.raw_cluster_cmd('osd', 'set', 'noout')
manager.raw_cluster_cmd('osd', 'set', 'noin')
manager.raw_cluster_cmd('osd', 'set', 'nodown')
manager.wait_for_clean()
# something that is always there
dummyfile = '/etc/fstab'
dummyfile2 = '/etc/resolv.conf'
# create 1 pg pool
log.info('creating foo')
manager.raw_cluster_cmd('osd', 'pool', 'create', 'foo', '1')
osds = [0, 1, 2]
for i in osds:
manager.set_config(i, osd_min_pg_log_entries=1)
# determine primary
divergent = manager.get_pg_primary('foo', 0)
log.info("primary and soon to be divergent is %d", divergent)
non_divergent = [0, 1, 2]
non_divergent.remove(divergent)
log.info('writing initial objects')
# write 1000 objects
for i in range(1000):
rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, dummyfile])
manager.wait_for_clean()
# blackhole non_divergent
log.info("blackholing osds %s", str(non_divergent))
for i in non_divergent:
manager.set_config(i, filestore_blackhole='')
# write 1 (divergent) object
log.info('writing divergent object existing_0')
rados(ctx, mon, ['-p', 'foo', 'put', 'existing_0', dummyfile2], wait=False)
time.sleep(10)
mon.run(args=['killall', '-9', 'rados'], wait=True, check_status=False)
# kill all the osds
log.info('killing all the osds')
for i in osds:
manager.kill_osd(i)
for i in osds:
manager.mark_down_osd(i)
for i in osds:
manager.mark_out_osd(i)
# bring up non-divergent
log.info("bringing up non_divergent %s", str(non_divergent))
for i in non_divergent:
manager.revive_osd(i)
for i in non_divergent:
manager.mark_in_osd(i)
log.info('making log long to prevent backfill')
for i in non_divergent:
manager.set_config(i, osd_min_pg_log_entries=100000)
# write 1 non-divergent object (ensure that old divergent one is divergent)
log.info('writing non-divergent object existing_1')
rados(ctx, mon, ['-p', 'foo', 'put', 'existing_1', dummyfile2])
manager.wait_for_recovery()
# ensure no recovery
log.info('delay recovery')
for i in non_divergent:
manager.set_config(i, osd_recovery_delay_start=100000)
# bring in our divergent friend
log.info("revive divergent %d", divergent)
manager.revive_osd(divergent)
while len(manager.get_osd_status()['up']) < 3:
time.sleep(10)
log.info('delay recovery divergent')
manager.set_config(divergent, osd_recovery_delay_start=100000)
log.info('mark divergent in')
manager.mark_in_osd(divergent)
log.info('wait for peering')
rados(ctx, mon, ['-p', 'foo', 'put', 'foo', dummyfile])
log.info("killing divergent %d", divergent)
manager.kill_osd(divergent)
log.info("reviving divergent %d", divergent)
manager.revive_osd(divergent)
log.info('allowing recovery')
for i in non_divergent:
manager.set_config(i, osd_recovery_delay_start=0)
log.info('reading existing_0')
exit_status = rados(
ctx, mon, ['-p', 'foo', 'get', 'existing_0', '-o', '/tmp/existing'])
assert exit_status is 0
log.info("success")
def task(ctx, config):
"""
Test the dump_stuck command.
:param ctx: Context
:param config: Configuration
"""
assert config is None, \
'dump_stuck requires no configuration'
assert teuthology.num_instances_of_type(ctx.cluster, 'osd') == 2, \
'dump_stuck requires exactly 2 osds'
timeout = 60
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
manager.flush_pg_stats([0, 1])
manager.wait_for_clean(timeout)
manager.raw_cluster_cmd(
'tell',
'mon.0',
'injectargs',
'--',
# '--mon-osd-report-timeout 90',
'--mon-pg-stuck-threshold 10')
# all active+clean
check_stuck(
manager,
num_inactive=0,
num_unclean=0,
num_stale=0,
)
num_pgs = manager.get_num_pgs()
manager.mark_out_osd(0)
time.sleep(timeout)
manager.flush_pg_stats([1])
manager.wait_for_recovery(timeout)
# all active+clean+remapped
check_stuck(
manager,
num_inactive=0,
num_unclean=0,
num_stale=0,
)
manager.mark_in_osd(0)
manager.flush_pg_stats([0, 1])
manager.wait_for_clean(timeout)
# all active+clean
check_stuck(
manager,
num_inactive=0,
num_unclean=0,
num_stale=0,
)
log.info('stopping first osd')
manager.kill_osd(0)
manager.mark_down_osd(0)
log.info('waiting for all to be unclean')
starttime = time.time()
done = False
while not done:
try:
check_stuck(
manager,
num_inactive=0,
num_unclean=num_pgs,
num_stale=0,
)
done = True
except AssertionError:
# wait up to 15 minutes to become stale
if time.time() - starttime > 900:
raise
log.info('stopping second osd')
manager.kill_osd(1)
manager.mark_down_osd(1)
log.info('waiting for all to be stale')
starttime = time.time()
done = False
while not done:
try:
check_stuck(
manager,
num_inactive=0,
num_unclean=num_pgs,
num_stale=num_pgs,
)
done = True
except AssertionError:
# wait up to 15 minutes to become stale
if time.time() - starttime > 900:
raise
log.info('reviving')
for id_ in teuthology.all_roles_of_type(ctx.cluster, 'osd'):
manager.revive_osd(id_)
manager.mark_in_osd(id_)
while True:
try:
manager.flush_pg_stats([0, 1])
break
except Exception:
log.exception('osds must not be started yet, waiting...')
time.sleep(1)
manager.wait_for_clean(timeout)
check_stuck(
manager,
num_inactive=0,
num_unclean=0,
num_stale=0,
)
def task(ctx, config):
"""
Test handling of lost objects.
A pretty rigid cluseter is brought up andtested by this task
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'lost_unfound task only accepts a dict for configuration'
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < 3:
manager.sleep(10)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_clean()
# something that is always there
dummyfile = '/etc/fstab'
# take an osd out until the very end
manager.kill_osd(2)
manager.mark_down_osd(2)
manager.mark_out_osd(2)
# kludge to make sure they get a map
rados(ctx, mon, ['-p', 'data', 'put', 'dummy', dummyfile])
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.wait_for_recovery()
# create old objects
for f in range(1, 10):
rados(ctx, mon, ['-p', 'data', 'put', 'existing_%d' % f, dummyfile])
rados(ctx, mon, ['-p', 'data', 'put', 'existed_%d' % f, dummyfile])
rados(ctx, mon, ['-p', 'data', 'rm', 'existed_%d' % f])
# delay recovery, and make the pg log very long (to prevent backfill)
manager.raw_cluster_cmd(
'tell', 'osd.1', 'injectargs',
'--osd-recovery-delay-start 1000 --osd-min-pg-log-entries 100000000')
manager.kill_osd(0)
manager.mark_down_osd(0)
for f in range(1, 10):
rados(ctx, mon, ['-p', 'data', 'put', 'new_%d' % f, dummyfile])
rados(ctx, mon, ['-p', 'data', 'put', 'existed_%d' % f, dummyfile])
rados(ctx, mon, ['-p', 'data', 'put', 'existing_%d' % f, dummyfile])
# bring osd.0 back up, let it peer, but don't replicate the new
# objects...
log.info('osd.0 command_args is %s' % 'foo')
log.info(ctx.daemons.get_daemon('osd', 0).command_args)
ctx.daemons.get_daemon('osd', 0).command_kwargs['args'].extend(
['--osd-recovery-delay-start', '1000'])
manager.revive_osd(0)
manager.mark_in_osd(0)
manager.wait_till_osd_is_up(0)
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.wait_till_active()
# take out osd.1 and the only copy of those objects.
manager.kill_osd(1)
manager.mark_down_osd(1)
manager.mark_out_osd(1)
manager.raw_cluster_cmd('osd', 'lost', '1', '--yes-i-really-mean-it')
# bring up osd.2 so that things would otherwise, in theory, recovery fully
manager.revive_osd(2)
manager.mark_in_osd(2)
manager.wait_till_osd_is_up(2)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_till_active()
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
# verify that there are unfound objects
unfound = manager.get_num_unfound_objects()
log.info("there are %d unfound objects" % unfound)
assert unfound
# mark stuff lost
pgs = manager.get_pg_stats()
for pg in pgs:
if pg['stat_sum']['num_objects_unfound'] > 0:
primary = 'osd.%d' % pg['acting'][0]
# verify that i can list them direct from the osd
log.info('listing missing/lost in %s state %s', pg['pgid'],
pg['state'])
m = manager.list_pg_missing(pg['pgid'])
#log.info('%s' % m)
assert m['num_unfound'] == pg['stat_sum']['num_objects_unfound']
num_unfound = 0
for o in m['objects']:
if len(o['locations']) == 0:
num_unfound += 1
assert m['num_unfound'] == num_unfound
log.info("reverting unfound in %s on %s", pg['pgid'], primary)
manager.raw_cluster_cmd('pg', pg['pgid'], 'mark_unfound_lost',
'delete')
else:
log.info("no unfound in %s", pg['pgid'])
manager.raw_cluster_cmd('tell', 'osd.0', 'debug', 'kick_recovery_wq', '5')
manager.raw_cluster_cmd('tell', 'osd.2', 'debug', 'kick_recovery_wq', '5')
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_recovery()
# verify result
for f in range(1, 10):
err = rados(ctx, mon, ['-p', 'data', 'get', 'new_%d' % f, '-'])
assert err
err = rados(ctx, mon, ['-p', 'data', 'get', 'existed_%d' % f, '-'])
assert err
err = rados(ctx, mon, ['-p', 'data', 'get', 'existing_%d' % f, '-'])
assert err
# see if osd.1 can cope
manager.revive_osd(1)
manager.mark_in_osd(1)
manager.wait_till_osd_is_up(1)
manager.wait_for_clean()
def task(ctx, config):
"""
Test (non-backfill) recovery
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'task only accepts a dict for configuration'
testdir = teuthology.get_testdir(ctx)
first_mon = teuthology.get_first_mon(ctx, config)
(mon, ) = ctx.cluster.only(first_mon).remotes.iterkeys()
num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
log.info('num_osds is %s' % num_osds)
assert num_osds == 3
manager = ceph_manager.CephManager(
mon,
ctx=ctx,
logger=log.getChild('ceph_manager'),
)
while len(manager.get_osd_status()['up']) < 3:
time.sleep(10)
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_clean()
# test some osdmap flags
manager.raw_cluster_cmd('osd', 'set', 'noin')
manager.raw_cluster_cmd('osd', 'set', 'noout')
manager.raw_cluster_cmd('osd', 'set', 'noup')
manager.raw_cluster_cmd('osd', 'set', 'nodown')
manager.raw_cluster_cmd('osd', 'unset', 'noin')
manager.raw_cluster_cmd('osd', 'unset', 'noout')
manager.raw_cluster_cmd('osd', 'unset', 'noup')
manager.raw_cluster_cmd('osd', 'unset', 'nodown')
# write some new data
p = rados_start(
testdir, mon,
['-p', 'rbd', 'bench', '20', 'write', '-b', '4096', '--no-cleanup'])
time.sleep(15)
# trigger a divergent target:
# blackhole + restart osd.1 (shorter log)
manager.blackhole_kill_osd(1)
# kill osd.2 (longer log... we'll make it divergent below)
manager.kill_osd(2)
time.sleep(2)
manager.revive_osd(1)
# wait for our writes to complete + succeed
err = p.wait()
log.info('err is %d' % err)
# cluster must repeer
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.wait_for_active_or_down()
# write some more (make sure osd.2 really is divergent)
p = rados_start(testdir, mon,
['-p', 'rbd', 'bench', '15', 'write', '-b', '4096'])
p.wait()
# revive divergent osd
manager.revive_osd(2)
while len(manager.get_osd_status()['up']) < 3:
log.info('waiting a bit...')
time.sleep(2)
log.info('3 are up!')
# cluster must recover
manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
manager.wait_for_clean()
