mirror of
https://github.com/ceph/ceph
synced 2024-12-20 18:33:44 +00:00
3d27b5802a
osd_recovery: add delay to ensure maps propogate Reviewed-by: Sage Weil <sage@redhat.com>
209 lines
6.3 KiB
Python
209 lines
6.3 KiB
Python
"""
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osd recovery
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"""
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import logging
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import ceph_manager
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import time
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from teuthology import misc as teuthology
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log = logging.getLogger(__name__)
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def rados_start(testdir, remote, cmd):
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"""
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Run a remote rados command (currently used to only write data)
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"""
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log.info("rados %s" % ' '.join(cmd))
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pre = [
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'adjust-ulimits',
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'ceph-coverage',
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'{tdir}/archive/coverage'.format(tdir=testdir),
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'rados',
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];
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pre.extend(cmd)
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proc = remote.run(
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args=pre,
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wait=False,
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)
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return proc
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def task(ctx, config):
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"""
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Test (non-backfill) recovery
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"""
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if config is None:
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config = {}
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assert isinstance(config, dict), \
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'task only accepts a dict for configuration'
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testdir = teuthology.get_testdir(ctx)
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first_mon = teuthology.get_first_mon(ctx, config)
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(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
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num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
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log.info('num_osds is %s' % num_osds)
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assert num_osds == 3
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manager = ceph_manager.CephManager(
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mon,
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ctx=ctx,
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logger=log.getChild('ceph_manager'),
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)
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while len(manager.get_osd_status()['up']) < 3:
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time.sleep(10)
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manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
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manager.wait_for_clean()
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# test some osdmap flags
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manager.raw_cluster_cmd('osd', 'set', 'noin')
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manager.raw_cluster_cmd('osd', 'set', 'noout')
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manager.raw_cluster_cmd('osd', 'set', 'noup')
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manager.raw_cluster_cmd('osd', 'set', 'nodown')
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manager.raw_cluster_cmd('osd', 'unset', 'noin')
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manager.raw_cluster_cmd('osd', 'unset', 'noout')
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manager.raw_cluster_cmd('osd', 'unset', 'noup')
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manager.raw_cluster_cmd('osd', 'unset', 'nodown')
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# write some new data
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p = rados_start(testdir, mon, ['-p', 'rbd', 'bench', '20', 'write', '-b', '4096',
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'--no-cleanup'])
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time.sleep(15)
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# trigger a divergent target:
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# blackhole + restart osd.1 (shorter log)
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manager.blackhole_kill_osd(1)
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# kill osd.2 (longer log... we'll make it divergent below)
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manager.kill_osd(2)
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time.sleep(2)
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manager.revive_osd(1)
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# wait for our writes to complete + succeed
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err = p.wait()
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log.info('err is %d' % err)
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# cluster must repeer
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manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
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manager.wait_for_active_or_down()
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# write some more (make sure osd.2 really is divergent)
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p = rados_start(testdir, mon, ['-p', 'rbd', 'bench', '15', 'write', '-b', '4096'])
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p.wait()
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# revive divergent osd
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manager.revive_osd(2)
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while len(manager.get_osd_status()['up']) < 3:
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log.info('waiting a bit...')
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time.sleep(2)
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log.info('3 are up!')
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# cluster must recover
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manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
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manager.wait_for_clean()
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def test_incomplete_pgs(ctx, config):
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"""
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Test handling of incomplete pgs. Requires 4 osds.
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"""
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testdir = teuthology.get_testdir(ctx)
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if config is None:
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config = {}
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assert isinstance(config, dict), \
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'task only accepts a dict for configuration'
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first_mon = teuthology.get_first_mon(ctx, config)
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(mon,) = ctx.cluster.only(first_mon).remotes.iterkeys()
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num_osds = teuthology.num_instances_of_type(ctx.cluster, 'osd')
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log.info('num_osds is %s' % num_osds)
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assert num_osds == 4
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manager = ceph_manager.CephManager(
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mon,
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ctx=ctx,
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logger=log.getChild('ceph_manager'),
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)
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while len(manager.get_osd_status()['up']) < 4:
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time.sleep(10)
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manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
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manager.wait_for_clean()
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log.info('Testing incomplete pgs...')
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for i in range(4):
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manager.set_config(
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i,
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osd_recovery_delay_start=1000)
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# move data off of osd.0, osd.1
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manager.raw_cluster_cmd('osd', 'out', '0', '1')
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manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
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manager.wait_for_clean()
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# lots of objects in rbd (no pg log, will backfill)
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p = rados_start(testdir, mon,
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['-p', 'rbd', 'bench', '20', 'write', '-b', '1',
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'--no-cleanup'])
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p.wait()
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# few objects in rbd pool (with pg log, normal recovery)
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for f in range(1, 20):
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p = rados_start(testdir, mon, ['-p', 'rbd', 'put',
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'foo.%d' % f, '/etc/passwd'])
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p.wait()
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# move it back
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manager.raw_cluster_cmd('osd', 'in', '0', '1')
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manager.raw_cluster_cmd('osd', 'out', '2', '3')
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time.sleep(10)
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manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.3', 'flush_pg_stats')
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time.sleep(10)
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manager.wait_for_active()
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assert not manager.is_clean()
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assert not manager.is_recovered()
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# kill 2 + 3
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log.info('stopping 2,3')
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manager.kill_osd(2)
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manager.kill_osd(3)
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log.info('...')
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manager.raw_cluster_cmd('osd', 'down', '2', '3')
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manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
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manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
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manager.wait_for_active_or_down()
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assert manager.get_num_down() > 0
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# revive 2 + 3
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manager.revive_osd(2)
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manager.revive_osd(3)
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while len(manager.get_osd_status()['up']) < 4:
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log.info('waiting a bit...')
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time.sleep(2)
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log.info('all are up!')
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for i in range(4):
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manager.kick_recovery_wq(i)
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# cluster must recover
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manager.wait_for_clean()
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