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Diffstat (limited to 'qa/tasks/divergent_priors2.py')
| -rw-r--r-- | qa/tasks/divergent_priors2.py | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/qa/tasks/divergent_priors2.py b/qa/tasks/divergent_priors2.py new file mode 100644 index 00000000..4d4b07fc --- /dev/null +++ b/qa/tasks/divergent_priors2.py @@ -0,0 +1,192 @@ +""" +Special case divergence test with ceph-objectstore-tool export/remove/import +""" +import logging +import time + +from teuthology.exceptions import CommandFailedError +from teuthology import misc as teuthology +from tasks.util.rados import rados +import os + + +log = logging.getLogger(__name__) + + +def task(ctx, config): + """ + Test handling of divergent entries with prior_version + prior to log_tail and a ceph-objectstore-tool export/import + + 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' + + manager = ctx.managers['ceph'] + + while len(manager.get_osd_status()['up']) < 3: + time.sleep(10) + manager.flush_pg_stats([0, 1, 2]) + manager.raw_cluster_cmd('osd', 'set', 'noout') + manager.raw_cluster_cmd('osd', 'set', 'noin') + manager.raw_cluster_cmd('osd', 'set', 'nodown') + 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') + manager.raw_cluster_cmd('osd', 'pool', 'create', 'foo', '1') + + osds = [0, 1, 2] + for i in osds: + manager.set_config(i, osd_min_pg_log_entries=10) + manager.set_config(i, osd_max_pg_log_entries=10) + manager.set_config(i, osd_pg_log_trim_min=5) + + # determine primary + divergent = 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.keys() + # write 100 objects + for i in range(100): + rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, dummyfile]) + + manager.wait_for_clean() + + # blackhole non_divergent + log.info("blackholing osds %s", str(non_divergent)) + for i in non_divergent: + manager.set_config(i, objectstore_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: + manager.kill_osd(i) + for i in osds: + manager.mark_down_osd(i) + for i in non_divergent: + manager.mark_out_osd(i) + + # bring up non-divergent + log.info("bringing up non_divergent %s", str(non_divergent)) + for i in non_divergent: + manager.revive_osd(i) + for i in non_divergent: + 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]) + + manager.wait_for_recovery() + + # ensure no recovery of up osds first + log.info('delay recovery') + for i in non_divergent: + manager.wait_run_admin_socket( + 'osd', i, ['set_recovery_delay', '100000']) + + # bring in our divergent friend + log.info("revive divergent %d", divergent) + manager.raw_cluster_cmd('osd', 'set', 'noup') + manager.revive_osd(divergent) + + log.info('delay recovery divergent') + manager.wait_run_admin_socket( + 'osd', divergent, ['set_recovery_delay', '100000']) + + manager.raw_cluster_cmd('osd', 'unset', 'noup') + while len(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) + manager.kill_osd(divergent) + + # Export a pg + (exp_remote,) = ctx.\ + cluster.only('osd.{o}'.format(o=divergent)).remotes.keys() + FSPATH = 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-remove --pgid 2.0 --file {file}"). + format(id=divergent, file=expfile)) + try: + exp_remote.sh(cmd, wait=True) + except CommandFailedError as e: + assert e.exitstatus == 0 + + cmd = ((prefix + "--op import --file {file}"). + format(id=divergent, file=expfile)) + try: + exp_remote.sh(cmd, wait=True) + except CommandFailedError as e: + assert e.exitstatus == 0 + + log.info("reviving divergent %d", divergent) + manager.revive_osd(divergent) + manager.wait_run_admin_socket('osd', divergent, ['dump_ops_in_flight']) + time.sleep(20); + + log.info('allowing recovery') + # Set osd_recovery_delay_start back to 0 and kick the queue + for i in osds: + 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 == 0 + + cmd = 'rm {file}'.format(file=expfile) + exp_remote.run(args=cmd, wait=True) + log.info("success") |