mirror of https://github.com/ceph/ceph
191 lines
6.2 KiB
Python
191 lines
6.2 KiB
Python
"""
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Special case divergence test with ceph-objectstore-tool export/remove/import
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"""
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import logging
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import time
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from cStringIO import StringIO
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from teuthology import misc as teuthology
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from util.rados import rados
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import os
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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 and a ceph-objectstore-tool export/import
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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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testdir = teuthology.get_testdir(ctx)
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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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# Export a pg
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(exp_remote,) = ctx.\
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cluster.only('osd.{o}'.format(o=divergent)).remotes.iterkeys()
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FSPATH = manager.get_filepath()
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JPATH = os.path.join(FSPATH, "journal")
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prefix = ("sudo adjust-ulimits ceph-objectstore-tool "
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"--data-path {fpath} --journal-path {jpath} "
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"--log-file="
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"/var/log/ceph/objectstore_tool.$$.log ".
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format(fpath=FSPATH, jpath=JPATH))
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pid = os.getpid()
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expfile = os.path.join(testdir, "exp.{pid}.out".format(pid=pid))
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cmd = ((prefix + "--op export-remove --pgid 2.0 --file {file}").
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format(id=divergent, file=expfile))
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proc = exp_remote.run(args=cmd, wait=True,
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check_status=False, stdout=StringIO())
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assert proc.exitstatus == 0
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cmd = ((prefix + "--op import --file {file}").
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format(id=divergent, file=expfile))
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proc = exp_remote.run(args=cmd, wait=True,
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check_status=False, stdout=StringIO())
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assert proc.exitstatus == 0
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log.info("reviving divergent %d", divergent)
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manager.revive_osd(divergent)
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manager.wait_run_admin_socket('osd', divergent, ['dump_ops_in_flight'])
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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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cmd = 'rm {file}'.format(file=expfile)
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exp_remote.run(args=cmd, wait=True)
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log.info("success")
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