mirror of
https://github.com/ceph/ceph
synced 2024-12-27 14:03:25 +00:00
96 lines
2.7 KiB
Python
96 lines
2.7 KiB
Python
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(remote, cmd):
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log.info("rados %s" % ' '.join(cmd))
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pre = [
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'LD_LIBRARY_PATH=/tmp/cephtest/binary/usr/local/lib',
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'/tmp/cephtest/enable-coredump',
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'/tmp/cephtest/binary/usr/local/bin/ceph-coverage',
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'/tmp/cephtest/archive/coverage',
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'/tmp/cephtest/binary/usr/local/bin/rados',
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'-c', '/tmp/cephtest/ceph.conf',
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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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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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manager.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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# write some new data
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p = rados_start(mon, ['-p', 'rbd', 'bench', '60', 'write', '-b', '4096'])
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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.exitstatus.get()
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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(mon, ['-p', 'rbd', 'bench', '15', 'write', '-b', '4096'])
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err = p.exitstatus.get();
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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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