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"""
Inconsistent_hinfo
"""
import logging
import time
from dateutil.parser import parse
from tasks import ceph_manager
from tasks.util.rados import rados
from teuthology import misc as teuthology
log = logging.getLogger(__name__)
def wait_for_deep_scrub_complete(manager, pgid, check_time_now, inconsistent):
log.debug("waiting for pg %s deep-scrub complete (check_time_now=%s)" %
(pgid, check_time_now))
for i in range(300):
time.sleep(5)
manager.flush_pg_stats([0, 1, 2, 3])
pgs = manager.get_pg_stats()
pg = next((pg for pg in pgs if pg['pgid'] == pgid), None)
log.debug('pg=%s' % pg);
assert pg
last_deep_scrub_time = parse(pg['last_deep_scrub_stamp']).strftime('%s')
if last_deep_scrub_time < check_time_now:
log.debug('not scrubbed')
continue
status = pg['state'].split('+')
if inconsistent:
assert 'inconsistent' in status
else:
assert 'inconsistent' not in status
return
assert False, 'not scrubbed'
def wait_for_backfilling_complete(manager, pgid, from_osd, to_osd):
log.debug("waiting for pg %s backfill from osd.%s to osd.%s complete" %
(pgid, from_osd, to_osd))
for i in range(300):
time.sleep(5)
manager.flush_pg_stats([0, 1, 2, 3])
pgs = manager.get_pg_stats()
pg = next((pg for pg in pgs if pg['pgid'] == pgid), None)
log.info('pg=%s' % pg);
assert pg
status = pg['state'].split('+')
if 'active' not in status:
log.debug('not active')
continue
if 'backfilling' in status:
assert from_osd in pg['acting'] and to_osd in pg['up']
log.debug('backfilling')
continue
if to_osd not in pg['up']:
log.debug('backfill not started yet')
continue
log.debug('backfilled!')
break
def task(ctx, config):
"""
Test handling of objects with inconsistent hash info during backfill and deep-scrub.
A pretty rigid cluster is brought up and tested by this task
"""
if config is None:
config = {}
assert isinstance(config, dict), \
'ec_inconsistent_hinfo 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'),
)
profile = config.get('erasure_code_profile', {
'k': '2',
'm': '1',
'crush-failure-domain': 'osd'
})
profile_name = profile.get('name', 'backfill_unfound')
manager.create_erasure_code_profile(profile_name, profile)
pool = manager.create_pool_with_unique_name(
pg_num=1,
erasure_code_profile_name=profile_name,
min_size=2)
manager.raw_cluster_cmd('osd', 'pool', 'set', pool,
'pg_autoscale_mode', 'off')
manager.flush_pg_stats([0, 1, 2, 3])
manager.wait_for_clean()
pool_id = manager.get_pool_num(pool)
pgid = '%d.0' % pool_id
pgs = manager.get_pg_stats()
acting = next((pg['acting'] for pg in pgs if pg['pgid'] == pgid), None)
log.info("acting=%s" % acting)
assert acting
primary = acting[0]
# 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()
log.debug("create test object")
obj = 'test'
rados(ctx, mon, ['-p', pool, 'put', obj, dummyfile])
victim = acting[1]
log.info("remove test object hash info from osd.%s shard and test deep-scrub and repair"
% victim)
manager.objectstore_tool(pool, options='', args='rm-attr hinfo_key',
object_name=obj, osd=victim)
check_time_now = time.strftime('%s')
manager.raw_cluster_cmd('pg', 'deep-scrub', pgid)
wait_for_deep_scrub_complete(manager, pgid, check_time_now, True)
check_time_now = time.strftime('%s')
manager.raw_cluster_cmd('pg', 'repair', pgid)
wait_for_deep_scrub_complete(manager, pgid, check_time_now, False)
log.info("remove test object hash info from primary osd.%s shard and test backfill"
% primary)
log.debug("write some data")
rados(ctx, mon, ['-p', pool, 'bench', '30', 'write', '-b', '4096',
'--no-cleanup'])
manager.objectstore_tool(pool, options='', args='rm-attr hinfo_key',
object_name=obj, osd=primary)
# mark the osd out to trigger a rebalance/backfill
source = acting[1]
target = [x for x in [0, 1, 2, 3] if x not in acting][0]
manager.mark_out_osd(source)
# wait for everything to peer, backfill and recover
wait_for_backfilling_complete(manager, pgid, source, target)
manager.wait_for_clean()
manager.flush_pg_stats([0, 1, 2, 3])
pgs = manager.get_pg_stats()
pg = next((pg for pg in pgs if pg['pgid'] == pgid), None)
log.debug('pg=%s' % pg)
assert pg
assert 'clean' in pg['state'].split('+')
assert 'inconsistent' not in pg['state'].split('+')
unfound = manager.get_num_unfound_objects()
log.debug("there are %d unfound objects" % unfound)
assert unfound == 0
source, target = target, source
log.info("remove test object hash info from non-primary osd.%s shard and test backfill"
% source)
manager.objectstore_tool(pool, options='', args='rm-attr hinfo_key',
object_name=obj, osd=source)
# mark the osd in to trigger a rebalance/backfill
manager.mark_in_osd(target)
# wait for everything to peer, backfill and recover
wait_for_backfilling_complete(manager, pgid, source, target)
manager.wait_for_clean()
manager.flush_pg_stats([0, 1, 2, 3])
pgs = manager.get_pg_stats()
pg = next((pg for pg in pgs if pg['pgid'] == pgid), None)
log.debug('pg=%s' % pg)
assert pg
assert 'clean' in pg['state'].split('+')
assert 'inconsistent' not in pg['state'].split('+')
unfound = manager.get_num_unfound_objects()
log.debug("there are %d unfound objects" % unfound)
assert unfound == 0
log.info("remove hash info from two shards and test backfill")
source = acting[2]
target = [x for x in [0, 1, 2, 3] if x not in acting][0]
manager.objectstore_tool(pool, options='', args='rm-attr hinfo_key',
object_name=obj, osd=primary)
manager.objectstore_tool(pool, options='', args='rm-attr hinfo_key',
object_name=obj, osd=source)
# mark the osd out to trigger a rebalance/backfill
manager.mark_out_osd(source)
# wait for everything to peer, backfill and detect unfound object
wait_for_backfilling_complete(manager, pgid, source, target)
# verify that there is unfound object
manager.flush_pg_stats([0, 1, 2, 3])
pgs = manager.get_pg_stats()
pg = next((pg for pg in pgs if pg['pgid'] == pgid), None)
log.debug('pg=%s' % pg)
assert pg
assert 'backfill_unfound' in pg['state'].split('+')
unfound = manager.get_num_unfound_objects()
log.debug("there are %d unfound objects" % unfound)
assert unfound == 1
m = manager.list_pg_unfound(pgid)
log.debug('list_pg_unfound=%s' % m)
assert m['num_unfound'] == pg['stat_sum']['num_objects_unfound']
# mark stuff lost
pgs = manager.get_pg_stats()
manager.raw_cluster_cmd('pg', pgid, 'mark_unfound_lost', 'delete')
# wait for everything to peer and be happy...
manager.flush_pg_stats([0, 1, 2, 3])
manager.wait_for_recovery()
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