--- /dev/null
+"""
+Lost_unfound
+"""
+import logging
+import time
+import ceph_manager
+from teuthology import misc as teuthology
+from teuthology.orchestra import run
+from util.rados import rados
+
+log = logging.getLogger(__name__)
+
+def task(ctx, config):
+ """
+ Test handling of lost objects.
+
+ A pretty rigid cluseter is brought up andtested 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.iterkeys()
+
+ 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_missing(pg['pgid'])
+ #log.info('%s' % m)
+ assert m['num_unfound'] == pg['stat_sum']['num_objects_unfound']
+ 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.revive_osd(1)
+ manager.mark_in_osd(1)
+ manager.wait_till_osd_is_up(1)
+ manager.wait_for_clean()
+ run.wait(procs)
Code Review / stor4nfv.git / blobdiff