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"""
Lost_unfound
"""
import logging
import time
from tasks import ceph_manager
from tasks.util.rados import rados
from teuthology import misc as teuthology
from teuthology.orchestra import run
log = logging.getLogger(__name__)
def task(ctx, config):
"""
Test handling of lost objects.
A pretty rigid cluster is brought up and tested by this task
"""
POOL = 'unfound_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.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([1, 0])
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']
assert m['available_might_have_unfound'] == True
assert m['might_have_unfound'][0]['osd'] == "1"
assert m['might_have_unfound'][0]['status'] == "osd is down"
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', 'revert')
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 not 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)
manager.wait_for_clean()
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