""" Special regression test for tracker #11184 Synopsis: osd/SnapMapper.cc: 282: FAILED assert(check(oid)) This is accomplished by moving a pg that wasn't part of split and still include divergent priors. """ import logging import time from cStringIO import StringIO from teuthology import misc as teuthology from util.rados import rados import os log = logging.getLogger(__name__) def task(ctx, config): """ Test handling of divergent entries during export / import to regression test tracker #11184 overrides: ceph: conf: osd: debug osd: 5 Requires 3 osds on a single test node. """ if config is None: config = {} assert isinstance(config, dict), \ 'divergent_priors task only accepts a dict for configuration' while len(ctx.manager.get_osd_status()['up']) < 3: time.sleep(10) ctx.manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats') ctx.manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats') ctx.manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats') ctx.manager.raw_cluster_cmd('osd', 'set', 'noout') ctx.manager.raw_cluster_cmd('osd', 'set', 'noin') ctx.manager.raw_cluster_cmd('osd', 'set', 'nodown') ctx.manager.wait_for_clean() # something that is always there dummyfile = '/etc/fstab' dummyfile2 = '/etc/resolv.conf' testdir = teuthology.get_testdir(ctx) # create 1 pg pool log.info('creating foo') ctx.manager.raw_cluster_cmd('osd', 'pool', 'create', 'foo', '1') osds = [0, 1, 2] for i in osds: ctx.manager.set_config(i, osd_min_pg_log_entries=10) ctx.manager.set_config(i, osd_max_pg_log_entries=10) ctx.manager.set_config(i, osd_pg_log_trim_min=5) # determine primary divergent = ctx.manager.get_pg_primary('foo', 0) log.info("primary and soon to be divergent is %d", divergent) non_divergent = list(osds) non_divergent.remove(divergent) log.info('writing initial objects') first_mon = teuthology.get_first_mon(ctx, config) (mon,) = ctx.cluster.only(first_mon).remotes.iterkeys() # write 100 objects for i in range(100): rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, dummyfile]) ctx.manager.wait_for_clean() # blackhole non_divergent log.info("blackholing osds %s", str(non_divergent)) for i in non_divergent: ctx.manager.set_config(i, filestore_blackhole=1) DIVERGENT_WRITE = 5 DIVERGENT_REMOVE = 5 # Write some soon to be divergent log.info('writing divergent objects') for i in range(DIVERGENT_WRITE): rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, dummyfile2], wait=False) # Remove some soon to be divergent log.info('remove divergent objects') for i in range(DIVERGENT_REMOVE): rados(ctx, mon, ['-p', 'foo', 'rm', 'existing_%d' % (i + DIVERGENT_WRITE)], wait=False) time.sleep(10) mon.run( args=['killall', '-9', 'rados'], wait=True, check_status=False) # kill all the osds but leave divergent in log.info('killing all the osds') for i in osds: ctx.manager.kill_osd(i) for i in osds: ctx.manager.mark_down_osd(i) for i in non_divergent: ctx.manager.mark_out_osd(i) # bring up non-divergent log.info("bringing up non_divergent %s", str(non_divergent)) for i in non_divergent: ctx.manager.revive_osd(i) for i in non_divergent: ctx.manager.mark_in_osd(i) # write 1 non-divergent object (ensure that old divergent one is divergent) objname = "existing_%d" % (DIVERGENT_WRITE + DIVERGENT_REMOVE) log.info('writing non-divergent object ' + objname) rados(ctx, mon, ['-p', 'foo', 'put', objname, dummyfile2]) ctx.manager.wait_for_recovery() # ensure no recovery of up osds first log.info('delay recovery') for i in non_divergent: ctx.manager.wait_run_admin_socket( 'osd', i, ['set_recovery_delay', '100000']) # bring in our divergent friend log.info("revive divergent %d", divergent) ctx.manager.raw_cluster_cmd('osd', 'set', 'noup') ctx.manager.revive_osd(divergent) log.info('delay recovery divergent') ctx.manager.wait_run_admin_socket( 'osd', divergent, ['set_recovery_delay', '100000']) ctx.manager.raw_cluster_cmd('osd', 'unset', 'noup') while len(ctx.manager.get_osd_status()['up']) < 3: time.sleep(10) log.info('wait for peering') rados(ctx, mon, ['-p', 'foo', 'put', 'foo', dummyfile]) # At this point the divergent_priors should have been detected log.info("killing divergent %d", divergent) ctx.manager.kill_osd(divergent) # Split pgs for pool foo ctx.manager.raw_cluster_cmd('osd', 'pool', 'set', 'foo', 'pg_num', '2') time.sleep(5) # Export a pg (exp_remote,) = ctx.\ cluster.only('osd.{o}'.format(o=divergent)).remotes.iterkeys() FSPATH = ctx.manager.get_filepath() JPATH = os.path.join(FSPATH, "journal") prefix = ("sudo adjust-ulimits ceph-objectstore-tool " "--data-path {fpath} --journal-path {jpath} " "--log-file=" "/var/log/ceph/objectstore_tool.$$.log ". format(fpath=FSPATH, jpath=JPATH)) pid = os.getpid() expfile = os.path.join(testdir, "exp.{pid}.out".format(pid=pid)) cmd = ((prefix + "--op export --pgid 1.0 --file {file}"). format(id=divergent, file=expfile)) proc = exp_remote.run(args=cmd, wait=True, check_status=False, stdout=StringIO()) assert proc.exitstatus == 0 # Remove the same pg that was exported cmd = ((prefix + "--op remove --pgid 1.0"). format(id=divergent, file=expfile)) proc = exp_remote.run(args=cmd, wait=True, check_status=False, stdout=StringIO()) assert proc.exitstatus == 0 # Kill one of non-divergent OSDs log.info('killing osd.%d' % non_divergent[1]) ctx.manager.kill_osd(non_divergent[1]) ctx.manager.mark_down_osd(non_divergent[1]) # ctx.manager.mark_out_osd(non_divergent[1]) cmd = ((prefix + "--op import --file {file}"). format(id=non_divergent[1], file=expfile)) proc = exp_remote.run(args=cmd, wait=True, check_status=False, stdout=StringIO()) assert proc.exitstatus == 0 # bring in our divergent friend and other node log.info("revive divergent %d", divergent) ctx.manager.revive_osd(divergent) ctx.manager.mark_in_osd(divergent) log.info("revive %d", non_divergent[1]) ctx.manager.revive_osd(non_divergent[1]) while len(ctx.manager.get_osd_status()['up']) < 3: time.sleep(10) log.info('delay recovery divergent') ctx.manager.set_config(divergent, osd_recovery_delay_start=100000) log.info('mark divergent in') ctx.manager.mark_in_osd(divergent) log.info('wait for peering') rados(ctx, mon, ['-p', 'foo', 'put', 'foo', dummyfile]) log.info("killing divergent %d", divergent) ctx.manager.kill_osd(divergent) log.info("reviving divergent %d", divergent) ctx.manager.revive_osd(divergent) time.sleep(3) log.info('allowing recovery') # Set osd_recovery_delay_start back to 0 and kick the queue for i in osds: ctx.manager.raw_cluster_cmd('tell', 'osd.%d' % i, 'debug', 'kick_recovery_wq', ' 0') log.info('reading divergent objects') for i in range(DIVERGENT_WRITE + DIVERGENT_REMOVE): exit_status = rados(ctx, mon, ['-p', 'foo', 'get', 'existing_%d' % i, '/tmp/existing']) assert exit_status is 0 (remote,) = ctx.\ cluster.only('osd.{o}'.format(o=divergent)).remotes.iterkeys() msg = "dirty_divergent_priors: true, divergent_priors: %d" \ % (DIVERGENT_WRITE + DIVERGENT_REMOVE) cmd = 'grep "{msg}" /var/log/ceph/ceph-osd.{osd}.log'\ .format(msg=msg, osd=divergent) proc = remote.run(args=cmd, wait=True, check_status=False) assert proc.exitstatus == 0 cmd = 'rm {file}'.format(file=expfile) remote.run(args=cmd, wait=True) log.info("success")