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"""
Peer test (Single test, not much configurable here)
"""
import logging
import json
import time
import ceph_manager
from teuthology import misc as teuthology
from util.rados import rados
log = logging.getLogger(__name__)
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:
time.sleep(10)
manager.flush_pg_stats([0, 1, 2])
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.flush_pg_stats([0, 1])
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.flush_pg_stats([0, 2])
manager.wait_for_active_or_down()
manager.flush_pg_stats([0, 2])
# 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) >= 2
assert rs[0]['name'] == 'Started/Primary/Peering/Down'
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.flush_pg_stats([0, 1, 2])
manager.wait_for_clean()
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