mirror of
https://github.com/ceph/ceph
synced 2024-12-23 11:54:11 +00:00
ff942710ba
This task was re-added after the multi-cluster branch merged. Signed-off-by: Josh Durgin <jdurgin@redhat.com>
111 lines
2.5 KiB
Python
111 lines
2.5 KiB
Python
"""
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Resolve stuck peering
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"""
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import logging
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import time
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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 resolve stuck peering
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requires 3 osds on a single test node
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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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'Resolve stuck peering only accepts a dict for config'
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manager = ctx.managers['ceph']
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while len(manager.get_osd_status()['up']) < 3:
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time.sleep(10)
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manager.wait_for_clean()
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dummyfile = '/etc/fstab'
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dummyfile1 = '/etc/resolv.conf'
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#create 1 PG pool
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pool='foo'
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log.info('creating pool foo')
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manager.raw_cluster_cmd('osd', 'pool', 'create', '%s' % pool, '1')
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#set min_size of the pool to 1
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#so that we can continue with I/O
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#when 2 osds are down
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manager.set_pool_property(pool, "min_size", 1)
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osds = [0, 1, 2]
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primary = manager.get_pg_primary('foo', 0)
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log.info("primary osd is %d", primary)
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others = list(osds)
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others.remove(primary)
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log.info('writing initial objects')
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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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#create few objects
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for i in range(100):
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rados(ctx, mon, ['-p', 'foo', 'put', 'existing_%d' % i, dummyfile])
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manager.wait_for_clean()
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#kill other osds except primary
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log.info('killing other osds except primary')
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for i in others:
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manager.kill_osd(i)
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for i in others:
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manager.mark_down_osd(i)
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for i in range(100):
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rados(ctx, mon, ['-p', 'foo', 'put', 'new_%d' % i, dummyfile1])
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#kill primary osd
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manager.kill_osd(primary)
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manager.mark_down_osd(primary)
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#revive other 2 osds
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for i in others:
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manager.revive_osd(i)
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#make sure that pg is down
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#Assuming pg number for single pg pool will start from 0
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pgnum=0
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pgstr = manager.get_pgid(pool, pgnum)
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stats = manager.get_single_pg_stats(pgstr)
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print stats['state']
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timeout=60
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start=time.time()
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while 'down' not in stats['state']:
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assert time.time() - start < timeout, \
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'failed to reach down state before timeout expired'
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#mark primary as lost
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manager.raw_cluster_cmd('osd', 'lost', '%d' % primary,\
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'--yes-i-really-mean-it')
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#expect the pg status to be active+undersized+degraded
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#pg should recover and become active+clean within timeout
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stats = manager.get_single_pg_stats(pgstr)
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print stats['state']
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timeout=10
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start=time.time()
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while manager.get_num_down():
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assert time.time() - start < timeout, \
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'failed to recover before timeout expired'
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