mirror of
https://github.com/ceph/ceph
synced 2024-12-26 05:25:09 +00:00
821b2a4397
Use the ctx.manager instance created by ceph.py instead Signed-off-by: Loic Dachary <loic@dachary.org>
140 lines
4.1 KiB
Python
140 lines
4.1 KiB
Python
"""
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Special case divergence test
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"""
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import logging
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import time
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import ceph_manager
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from teuthology import misc as teuthology
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from util.rados import rados
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log = logging.getLogger(__name__)
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def task(ctx, config):
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"""
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Test handling of divergent entries with prior_version
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prior to log_tail
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config: none
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Requires 3 osds.
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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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'divergent_priors task only accepts a dict for configuration'
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while len(ctx.manager.get_osd_status()['up']) < 3:
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time.sleep(10)
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ctx.manager.raw_cluster_cmd('tell', 'osd.0', 'flush_pg_stats')
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ctx.manager.raw_cluster_cmd('tell', 'osd.1', 'flush_pg_stats')
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ctx.manager.raw_cluster_cmd('tell', 'osd.2', 'flush_pg_stats')
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ctx.manager.raw_cluster_cmd('osd', 'set', 'noout')
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ctx.manager.raw_cluster_cmd('osd', 'set', 'noin')
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ctx.manager.raw_cluster_cmd('osd', 'set', 'nodown')
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ctx.manager.wait_for_clean()
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# something that is always there
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dummyfile = '/etc/fstab'
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dummyfile2 = '/etc/resolv.conf'
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# create 1 pg pool
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log.info('creating foo')
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ctx.manager.raw_cluster_cmd('osd', 'pool', 'create', 'foo', '1')
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osds = [0, 1, 2]
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for i in osds:
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ctx.manager.set_config(i, osd_min_pg_log_entries=1)
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# determine primary
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divergent = ctx.manager.get_pg_primary('foo', 0)
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log.info("primary and soon to be divergent is %d", divergent)
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non_divergent = [0,1,2]
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non_divergent.remove(divergent)
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log.info('writing initial objects')
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# write 1000 objects
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for i in range(1000):
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rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, dummyfile])
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ctx.manager.wait_for_clean()
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# blackhole non_divergent
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log.info("blackholing osds %s", str(non_divergent))
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for i in non_divergent:
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ctx.manager.set_config(i, filestore_blackhole='')
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# write 1 (divergent) object
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log.info('writing divergent object existing_0')
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rados(
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ctx, mon, ['-p', 'foo', 'put', 'existing_0', dummyfile2],
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wait=False)
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time.sleep(10)
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mon.run(
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args=['killall', '-9', 'rados'],
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wait=True,
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check_status=False)
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# kill all the osds
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log.info('killing all the osds')
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for i in osds:
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ctx.manager.kill_osd(i)
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for i in osds:
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ctx.manager.mark_down_osd(i)
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for i in osds:
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ctx.manager.mark_out_osd(i)
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# bring up non-divergent
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log.info("bringing up non_divergent %s", str(non_divergent))
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for i in non_divergent:
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ctx.manager.revive_osd(i)
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for i in non_divergent:
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ctx.manager.mark_in_osd(i)
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log.info('making log long to prevent backfill')
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for i in non_divergent:
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ctx.manager.set_config(i, osd_min_pg_log_entries=100000)
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# write 1 non-divergent object (ensure that old divergent one is divergent)
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log.info('writing non-divergent object existing_1')
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rados(ctx, mon, ['-p', 'foo', 'put', 'existing_1', dummyfile2])
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ctx.manager.wait_for_recovery()
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# ensure no recovery
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log.info('delay recovery')
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for i in non_divergent:
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ctx.manager.set_config(i, osd_recovery_delay_start=100000)
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# bring in our divergent friend
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log.info("revive divergent %d", divergent)
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ctx.manager.revive_osd(divergent)
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while len(ctx.manager.get_osd_status()['up']) < 3:
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time.sleep(10)
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log.info('delay recovery divergent')
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ctx.manager.set_config(divergent, osd_recovery_delay_start=100000)
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log.info('mark divergent in')
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ctx.manager.mark_in_osd(divergent)
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log.info('wait for peering')
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rados(ctx, mon, ['-p', 'foo', 'put', 'foo', dummyfile])
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log.info("killing divergent %d", divergent)
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ctx.manager.kill_osd(divergent)
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log.info("reviving divergent %d", divergent)
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ctx.manager.revive_osd(divergent)
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log.info('allowing recovery')
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for i in non_divergent:
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ctx.manager.set_config(i, osd_recovery_delay_start=0)
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log.info('reading existing_0')
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exit_status = rados(ctx, mon,
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['-p', 'foo', 'get', 'existing_0',
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'-o', '/tmp/existing'])
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assert exit_status is 0
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log.info("success")
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