mirror of
https://github.com/ceph/ceph
synced 2024-12-14 15:35:45 +00:00
68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
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"""
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CephFS sub-tasks.
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"""
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import contextlib
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import logging
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import re
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import time
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from tasks.cephfs.filesystem import Filesystem
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log = logging.getLogger(__name__)
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def clients_evicted(ctx, config):
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"""
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Check clients are evicted, unmount (cleanup) if so.
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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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clients = config.get('clients')
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if clients is None:
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clients = {("client."+client_id): True for client_id in ctx.mounts}
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log.info("clients is {}".format(str(clients)))
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fs = Filesystem(ctx)
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status = fs.status()
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has_session = set()
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mounts = {}
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for client in clients:
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client_id = re.match("^client.([0-9]+)$", client).groups(1)[0]
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mounts[client] = ctx.mounts.get(client_id)
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for rank in fs.get_ranks(status=status):
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ls = fs.rank_asok(['session', 'ls'], rank=rank['rank'], status=status)
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for session in ls:
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for client, evicted in clients.viewitems():
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mount = mounts.get(client)
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if mount is not None:
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global_id = mount.get_global_id()
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if session['id'] == global_id:
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if evicted:
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raise RuntimeError("client still has session: {}".format(str(session)))
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else:
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log.info("client {} has a session with MDS {}.{}".format(client, fs.id, rank['rank']))
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has_session.add(client)
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no_session = set(clients) - has_session
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should_assert = False
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for client, evicted in clients.viewitems():
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mount = mounts.get(client)
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if mount is not None:
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if evicted:
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log.info("confirming client {} is blacklisted".format(client))
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assert mount.is_blacklisted()
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elif client in no_session:
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log.info("client {} should not be evicted but has no session with an MDS".format(client))
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mount.is_blacklisted() # for debugging
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should_assert = True
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if should_assert:
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raise RuntimeError("some clients which should not be evicted have no session with an MDS?")
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