summaryrefslogtreecommitdiffstats
path: root/qa/tasks/ec_lost_unfound.py
diff options
context:
space:
mode:
Diffstat (limited to 'qa/tasks/ec_lost_unfound.py')
-rw-r--r--qa/tasks/ec_lost_unfound.py159
1 files changed, 159 insertions, 0 deletions
diff --git a/qa/tasks/ec_lost_unfound.py b/qa/tasks/ec_lost_unfound.py
new file mode 100644
index 000000000..57a9364ec
--- /dev/null
+++ b/qa/tasks/ec_lost_unfound.py
@@ -0,0 +1,159 @@
+"""
+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 on an ec pool.
+
+ A pretty rigid cluster is brought up and tested by this task
+ """
+ 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'),
+ )
+
+ manager.wait_for_clean()
+
+ profile = config.get('erasure_code_profile', {
+ 'k': '2',
+ 'm': '2',
+ 'crush-failure-domain': 'osd'
+ })
+ profile_name = profile.get('name', 'lost_unfound')
+ manager.create_erasure_code_profile(profile_name, profile)
+ pool = manager.create_pool_with_unique_name(
+ erasure_code_profile_name=profile_name,
+ min_size=2)
+
+ # something that is always there, readable and never empty
+ dummyfile = '/etc/group'
+
+ # 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)
+ manager.kill_osd(3)
+ manager.mark_down_osd(3)
+
+ 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])
+
+ # take out osd.1 and a necessary shard of those objects.
+ manager.kill_osd(1)
+ manager.mark_down_osd(1)
+ manager.raw_cluster_cmd('osd', 'lost', '1', '--yes-i-really-mean-it')
+ manager.revive_osd(0)
+ manager.wait_till_osd_is_up(0)
+ manager.revive_osd(3)
+ manager.wait_till_osd_is_up(3)
+
+ manager.flush_pg_stats([0, 2, 3])
+ manager.wait_till_active()
+ manager.flush_pg_stats([0, 2, 3])
+
+ # 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:
+ # 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']
+
+ log.info("reverting unfound in %s", pg['pgid'])
+ manager.raw_cluster_cmd('pg', pg['pgid'],
+ 'mark_unfound_lost', 'delete')
+ 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.raw_cluster_cmd('tell', 'osd.3', 'debug', 'kick_recovery_wq', '5')
+ manager.flush_pg_stats([0, 2, 3])
+ manager.wait_for_recovery()
+
+ if not config.get('parallel_bench', True):
+ time.sleep(20)
+
+ # 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 err
+
+ # see if osd.1 can cope
+ manager.revive_osd(1)
+ manager.wait_till_osd_is_up(1)
+ manager.wait_for_clean()
+ run.wait(procs)
+ manager.wait_for_clean()