mirror of
https://github.com/ceph/ceph
synced 2024-12-24 12:24:19 +00:00
4c7df944c7
osd will refused to create new pgs, until its pg number is lower than the max-pg-per-osd upper bound setting. Signed-off-by: Kefu Chai <kchai@redhat.com>
127 lines
4.4 KiB
Python
127 lines
4.4 KiB
Python
import logging
|
|
import random
|
|
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
def pg_num_in_all_states(pgs, *states):
|
|
return sum(1 for state in pgs.itervalues()
|
|
if all(s in state for s in states))
|
|
|
|
|
|
def pg_num_in_any_state(pgs, *states):
|
|
return sum(1 for state in pgs.itervalues()
|
|
if any(s in state for s in states))
|
|
|
|
|
|
def test_create_from_mon(ctx, config):
|
|
"""
|
|
osd should stop creating new pools if the number of pg it servers
|
|
exceeds the max-pg-per-osd setting, and it should resume the previously
|
|
suspended pg creations once the its pg number drops down below the setting
|
|
How it works::
|
|
1. set the hard limit of pg-per-osd to "2"
|
|
2. create pool.a with pg_num=2
|
|
# all pgs should be active+clean
|
|
2. create pool.b with pg_num=2
|
|
# new pgs belonging to this pool should be unknown (the primary osd
|
|
reaches the limit) or creating (replica osd reaches the limit)
|
|
3. remove pool.a
|
|
4. all pg belonging to pool.b should be active+clean
|
|
"""
|
|
pg_num = config.get('pg_num', 2)
|
|
manager = ctx.managers['ceph']
|
|
log.info('1. creating pool.a')
|
|
pool_a = manager.create_pool_with_unique_name(pg_num)
|
|
manager.wait_for_clean()
|
|
assert manager.get_num_active_clean() == pg_num
|
|
|
|
log.info('2. creating pool.b')
|
|
pool_b = manager.create_pool_with_unique_name(pg_num)
|
|
pg_states = manager.wait_till_pg_convergence(300)
|
|
pg_created = pg_num_in_all_states(pg_states, 'active', 'clean')
|
|
assert pg_created == pg_num
|
|
pg_pending = pg_num_in_any_state(pg_states, 'unknown', 'creating')
|
|
assert pg_pending == pg_num
|
|
|
|
log.info('3. removing pool.a')
|
|
manager.remove_pool(pool_a)
|
|
pg_states = manager.wait_till_pg_convergence(300)
|
|
assert len(pg_states) == pg_num
|
|
pg_created = pg_num_in_all_states(pg_states, 'active', 'clean')
|
|
assert pg_created == pg_num
|
|
|
|
# cleanup
|
|
manager.remove_pool(pool_b)
|
|
|
|
|
|
def test_create_from_peer(ctx, config):
|
|
"""
|
|
osd should stop creating new pools if the number of pg it servers
|
|
exceeds the max-pg-per-osd setting, and it should resume the previously
|
|
suspended pg creations once the its pg number drops down below the setting
|
|
|
|
How it works::
|
|
0. create 4 OSDs.
|
|
1. create pool.a with pg_num=1, size=2
|
|
pg will be mapped to osd.0, and osd.1, and it should be active+clean
|
|
2. create pool.b with pg_num=1, size=2.
|
|
if the pgs stuck in creating, delete the pool since the pool and try
|
|
again, eventually we'll get the pool to land on the other 2 osds that
|
|
aren't occupied by pool.a. (this will also verify that pgs for deleted
|
|
pools get cleaned out of the creating wait list.)
|
|
3. mark an osd out. verify that some pgs get stuck stale or peering.
|
|
4. delete a pool, verify pgs go active.
|
|
"""
|
|
pg_num = config.get('pg_num', 1)
|
|
pool_size = config.get('pool_size', 2)
|
|
from_primary = config.get('from_primary', True)
|
|
|
|
manager = ctx.managers['ceph']
|
|
log.info('1. creating pool.a')
|
|
pool_a = manager.create_pool_with_unique_name(pg_num)
|
|
manager.wait_for_clean()
|
|
assert manager.get_num_active_clean() == pg_num
|
|
|
|
log.info('2. creating pool.b')
|
|
while True:
|
|
pool_b = manager.create_pool_with_unique_name(pg_num)
|
|
pg_states = manager.wait_till_pg_convergence(300)
|
|
pg_created = pg_num_in_all_states(pg_states, 'active', 'clean')
|
|
assert pg_created >= pg_num
|
|
pg_pending = pg_num_in_any_state(pg_states, 'unknown', 'creating')
|
|
assert pg_pending == pg_num * 2 - pg_created
|
|
if pg_created == pg_num * 2:
|
|
break
|
|
manager.remove_pool(pool_b)
|
|
|
|
log.info('3. mark an osd out')
|
|
pg_stats = manager.get_pg_stats()
|
|
pg = random.choice(pg_stats)
|
|
if from_primary:
|
|
victim = pg['acting'][-1]
|
|
else:
|
|
victim = pg['acting'][0]
|
|
manager.mark_out_osd(victim)
|
|
pg_states = manager.wait_till_pg_convergence(300)
|
|
pg_stuck = pg_num_in_any_state(pg_states, 'activating', 'stale', 'peering')
|
|
assert pg_stuck > 0
|
|
|
|
log.info('4. removing pool.b')
|
|
manager.remove_pool(pool_b)
|
|
manager.wait_for_clean(30)
|
|
|
|
# cleanup
|
|
manager.remove_pool(pool_a)
|
|
|
|
|
|
def task(ctx, config):
|
|
assert isinstance(config, dict), \
|
|
'osd_max_pg_per_osd task only accepts a dict for config'
|
|
manager = ctx.managers['ceph']
|
|
if config.get('test_create_from_mon', True):
|
|
test_create_from_mon(ctx, config)
|
|
else:
|
|
test_create_from_peer(ctx, config)
|