2 Handle clock skews in monitors.
9 from StringIO import StringIO
10 from teuthology import misc as teuthology
12 log = logging.getLogger(__name__)
16 Check if there are any clock skews among the monitors in the
19 This task accepts the following options:
21 interval amount of seconds to wait before check. (default: 30.0)
22 expect-skew 'true' or 'false', to indicate whether to expect a skew during
23 the run or not. If 'true', the test will fail if no skew is
24 found, and succeed if a skew is indeed found; if 'false', it's
25 the other way around. (default: false)
27 - mon_clock_skew_check:
31 def __init__(self, ctx, manager, config, logger):
33 self.manager = manager
39 if self.config is None:
43 def task(ctx, config):
46 assert isinstance(config, dict), \
47 'mon_clock_skew_check task only accepts a dict for configuration'
48 interval = float(config.get('interval', 30.0))
49 expect_skew = config.get('expect-skew', False)
51 log.info('Beginning mon_clock_skew_check...')
52 first_mon = teuthology.get_first_mon(ctx, config)
53 (mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
54 manager = ceph_manager.CephManager(
57 logger=log.getChild('ceph_manager'),
60 quorum_size = len(teuthology.get_mon_names(ctx))
61 manager.wait_for_mon_quorum_size(quorum_size)
64 log.info('sleeping for {s} seconds'.format(
68 health = manager.get_mon_health(True)
69 log.info('got health %s' % health)
71 if 'MON_CLOCK_SKEW' not in health['checks']:
72 raise RuntimeError('expected MON_CLOCK_SKEW but got none')
74 if 'MON_CLOCK_SKEW' in health['checks']:
75 raise RuntimeError('got MON_CLOCK_SKEW but expected none')