mirror of
https://github.com/ceph/ceph
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ab1b78ae00
The helper gets a sequence number from the osd (or osds), and then polls the mon until that seq is reflected there. This is overkill in some cases, since many tests only require that the stats be reflected on the mgr (not the mon), but waiting for it to also reach the mon is sufficient! Signed-off-by: Sage Weil <sage@redhat.com>
161 lines
4.8 KiB
Python
161 lines
4.8 KiB
Python
"""
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Special case divergence test
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"""
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import logging
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import time
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from teuthology import misc as teuthology
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from util.rados import rados
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log = logging.getLogger(__name__)
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def task(ctx, config):
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"""
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Test handling of divergent entries with prior_version
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prior to log_tail
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overrides:
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ceph:
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conf:
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osd:
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debug osd: 5
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Requires 3 osds on a single test node.
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"""
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if config is None:
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config = {}
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assert isinstance(config, dict), \
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'divergent_priors task only accepts a dict for configuration'
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manager = ctx.managers['ceph']
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while len(manager.get_osd_status()['up']) < 3:
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time.sleep(10)
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manager.flush_pg_stats([0, 1, 2])
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manager.raw_cluster_cmd('osd', 'set', 'noout')
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manager.raw_cluster_cmd('osd', 'set', 'noin')
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manager.raw_cluster_cmd('osd', 'set', 'nodown')
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manager.wait_for_clean()
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# something that is always there
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dummyfile = '/etc/fstab'
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dummyfile2 = '/etc/resolv.conf'
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# create 1 pg pool
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log.info('creating foo')
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manager.raw_cluster_cmd('osd', 'pool', 'create', 'foo', '1')
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osds = [0, 1, 2]
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for i in osds:
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manager.set_config(i, osd_min_pg_log_entries=10)
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manager.set_config(i, osd_max_pg_log_entries=10)
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manager.set_config(i, osd_pg_log_trim_min=5)
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# determine primary
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divergent = manager.get_pg_primary('foo', 0)
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log.info("primary and soon to be divergent is %d", divergent)
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non_divergent = list(osds)
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non_divergent.remove(divergent)
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log.info('writing initial objects')
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first_mon = teuthology.get_first_mon(ctx, config)
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(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
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# write 100 objects
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for i in range(100):
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rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, dummyfile])
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manager.wait_for_clean()
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# blackhole non_divergent
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log.info("blackholing osds %s", str(non_divergent))
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for i in non_divergent:
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manager.set_config(i, objectstore_blackhole=1)
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DIVERGENT_WRITE = 5
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DIVERGENT_REMOVE = 5
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# Write some soon to be divergent
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log.info('writing divergent objects')
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for i in range(DIVERGENT_WRITE):
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rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i,
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dummyfile2], wait=False)
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# Remove some soon to be divergent
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log.info('remove divergent objects')
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for i in range(DIVERGENT_REMOVE):
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rados(ctx, mon, ['-p', 'foo', 'rm',
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'existing_%d' % (i + DIVERGENT_WRITE)], wait=False)
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time.sleep(10)
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mon.run(
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args=['killall', '-9', 'rados'],
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wait=True,
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check_status=False)
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# kill all the osds but leave divergent in
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log.info('killing all the osds')
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for i in osds:
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manager.kill_osd(i)
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for i in osds:
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manager.mark_down_osd(i)
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for i in non_divergent:
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manager.mark_out_osd(i)
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# bring up non-divergent
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log.info("bringing up non_divergent %s", str(non_divergent))
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for i in non_divergent:
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manager.revive_osd(i)
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for i in non_divergent:
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manager.mark_in_osd(i)
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# write 1 non-divergent object (ensure that old divergent one is divergent)
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objname = "existing_%d" % (DIVERGENT_WRITE + DIVERGENT_REMOVE)
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log.info('writing non-divergent object ' + objname)
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rados(ctx, mon, ['-p', 'foo', 'put', objname, dummyfile2])
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manager.wait_for_recovery()
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# ensure no recovery of up osds first
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log.info('delay recovery')
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for i in non_divergent:
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manager.wait_run_admin_socket(
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'osd', i, ['set_recovery_delay', '100000'])
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# bring in our divergent friend
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log.info("revive divergent %d", divergent)
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manager.raw_cluster_cmd('osd', 'set', 'noup')
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manager.revive_osd(divergent)
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log.info('delay recovery divergent')
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manager.wait_run_admin_socket(
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'osd', divergent, ['set_recovery_delay', '100000'])
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manager.raw_cluster_cmd('osd', 'unset', 'noup')
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while len(manager.get_osd_status()['up']) < 3:
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time.sleep(10)
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log.info('wait for peering')
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rados(ctx, mon, ['-p', 'foo', 'put', 'foo', dummyfile])
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# At this point the divergent_priors should have been detected
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log.info("killing divergent %d", divergent)
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manager.kill_osd(divergent)
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log.info("reviving divergent %d", divergent)
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manager.revive_osd(divergent)
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time.sleep(20)
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log.info('allowing recovery')
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# Set osd_recovery_delay_start back to 0 and kick the queue
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for i in osds:
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manager.raw_cluster_cmd('tell', 'osd.%d' % i, 'debug',
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'kick_recovery_wq', ' 0')
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log.info('reading divergent objects')
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for i in range(DIVERGENT_WRITE + DIVERGENT_REMOVE):
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exit_status = rados(ctx, mon, ['-p', 'foo', 'get', 'existing_%d' % i,
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'/tmp/existing'])
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assert exit_status is 0
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log.info("success")
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