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Diffstat (limited to 'qa/tasks/lost_unfound.py')
| -rw-r--r-- | qa/tasks/lost_unfound.py | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/qa/tasks/lost_unfound.py b/qa/tasks/lost_unfound.py new file mode 100644 index 000000000..5a9142a70 --- /dev/null +++ b/qa/tasks/lost_unfound.py @@ -0,0 +1,180 @@ +""" +Lost_unfound +""" +import logging +import time +from tasks import ceph_manager +from tasks.util.rados import rados +from teuthology import misc as teuthology +from teuthology.orchestra import run + +log = logging.getLogger(__name__) + +def task(ctx, config): + """ + Test handling of lost objects. + + A pretty rigid cluster is brought up and tested by this task + """ + POOL = 'unfound_pool' + if config is None: + config = {} + assert isinstance(config, dict), \ + 'lost_unfound task only accepts a dict for configuration' + first_mon = teuthology.get_first_mon(ctx, config) + (mon,) = ctx.cluster.only(first_mon).remotes.keys() + + manager = ceph_manager.CephManager( + mon, + ctx=ctx, + logger=log.getChild('ceph_manager'), + ) + + while len(manager.get_osd_status()['up']) < 3: + time.sleep(10) + + manager.wait_for_clean() + + manager.create_pool(POOL) + + # something that is always there + dummyfile = '/etc/fstab' + + # take an osd out until the very end + manager.kill_osd(2) + manager.mark_down_osd(2) + manager.mark_out_osd(2) + + # kludge to make sure they get a map + rados(ctx, mon, ['-p', POOL, 'put', 'dummy', dummyfile]) + + manager.flush_pg_stats([0, 1]) + manager.wait_for_recovery() + + # create old objects + for f in range(1, 10): + rados(ctx, mon, ['-p', POOL, 'put', 'existing_%d' % f, dummyfile]) + rados(ctx, mon, ['-p', POOL, 'put', 'existed_%d' % f, dummyfile]) + rados(ctx, mon, ['-p', POOL, 'rm', 'existed_%d' % f]) + + # delay recovery, and make the pg log very long (to prevent backfill) + manager.raw_cluster_cmd( + 'tell', 'osd.1', + 'injectargs', + '--osd-recovery-delay-start 1000 --osd-min-pg-log-entries 100000000' + ) + + manager.kill_osd(0) + manager.mark_down_osd(0) + + for f in range(1, 10): + rados(ctx, mon, ['-p', POOL, 'put', 'new_%d' % f, dummyfile]) + rados(ctx, mon, ['-p', POOL, 'put', 'existed_%d' % f, dummyfile]) + rados(ctx, mon, ['-p', POOL, 'put', 'existing_%d' % f, dummyfile]) + + # bring osd.0 back up, let it peer, but don't replicate the new + # objects... + log.info('osd.0 command_args is %s' % 'foo') + log.info(ctx.daemons.get_daemon('osd', 0).command_args) + ctx.daemons.get_daemon('osd', 0).command_kwargs['args'].extend([ + '--osd-recovery-delay-start', '1000' + ]) + manager.revive_osd(0) + manager.mark_in_osd(0) + manager.wait_till_osd_is_up(0) + + manager.flush_pg_stats([1, 0]) + manager.wait_till_active() + + # take out osd.1 and the only copy of those objects. + manager.kill_osd(1) + manager.mark_down_osd(1) + manager.mark_out_osd(1) + manager.raw_cluster_cmd('osd', 'lost', '1', '--yes-i-really-mean-it') + + # bring up osd.2 so that things would otherwise, in theory, recovery fully + manager.revive_osd(2) + manager.mark_in_osd(2) + manager.wait_till_osd_is_up(2) + + manager.flush_pg_stats([0, 2]) + manager.wait_till_active() + manager.flush_pg_stats([0, 2]) + + # verify that there are unfound objects + unfound = manager.get_num_unfound_objects() + log.info("there are %d unfound objects" % unfound) + assert unfound + + testdir = teuthology.get_testdir(ctx) + procs = [] + if config.get('parallel_bench', True): + procs.append(mon.run( + args=[ + "/bin/sh", "-c", + " ".join(['adjust-ulimits', + 'ceph-coverage', + '{tdir}/archive/coverage', + 'rados', + '--no-log-to-stderr', + '--name', 'client.admin', + '-b', str(4<<10), + '-p' , POOL, + '-t', '20', + 'bench', '240', 'write', + ]).format(tdir=testdir), + ], + logger=log.getChild('radosbench.{id}'.format(id='client.admin')), + stdin=run.PIPE, + wait=False + )) + time.sleep(10) + + # mark stuff lost + pgs = manager.get_pg_stats() + for pg in pgs: + if pg['stat_sum']['num_objects_unfound'] > 0: + primary = 'osd.%d' % pg['acting'][0] + + # verify that i can list them direct from the osd + log.info('listing missing/lost in %s state %s', pg['pgid'], + pg['state']); + m = manager.list_pg_unfound(pg['pgid']) + #log.info('%s' % m) + assert m['num_unfound'] == pg['stat_sum']['num_objects_unfound'] + assert m['available_might_have_unfound'] == True + assert m['might_have_unfound'][0]['osd'] == "1" + assert m['might_have_unfound'][0]['status'] == "osd is down" + num_unfound=0 + for o in m['objects']: + if len(o['locations']) == 0: + num_unfound += 1 + assert m['num_unfound'] == num_unfound + + log.info("reverting unfound in %s on %s", pg['pgid'], primary) + manager.raw_cluster_cmd('pg', pg['pgid'], + 'mark_unfound_lost', 'revert') + else: + log.info("no unfound in %s", pg['pgid']) + + manager.raw_cluster_cmd('tell', 'osd.0', 'debug', 'kick_recovery_wq', '5') + manager.raw_cluster_cmd('tell', 'osd.2', 'debug', 'kick_recovery_wq', '5') + manager.flush_pg_stats([0, 2]) + manager.wait_for_recovery() + + # verify result + for f in range(1, 10): + err = rados(ctx, mon, ['-p', POOL, 'get', 'new_%d' % f, '-']) + assert err + err = rados(ctx, mon, ['-p', POOL, 'get', 'existed_%d' % f, '-']) + assert err + err = rados(ctx, mon, ['-p', POOL, 'get', 'existing_%d' % f, '-']) + assert not err + + # see if osd.1 can cope + manager.mark_in_osd(1) + manager.revive_osd(1) + manager.wait_till_osd_is_up(1) + manager.wait_for_clean() + run.wait(procs) + manager.wait_for_clean() |