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"""
Run fsx on an rbd image
"""
import contextlib
import logging
from teuthology.parallel import parallel
from teuthology import misc as teuthology
log = logging.getLogger(__name__)
@contextlib.contextmanager
def task(ctx, config):
"""
Run fsx on an rbd image.
Currently this requires running as client.admin
to create a pool.
Specify which clients to run on as a list::
tasks:
ceph:
rbd_fsx:
clients: [client.0, client.1]
You can optionally change some properties of fsx:
tasks:
ceph:
rbd_fsx:
clients: <list of clients>
seed: <random seed number, or 0 to use the time>
ops: <number of operations to do>
size: <maximum image size in bytes>
valgrind: [--tool=<valgrind tool>]
"""
log.info('starting rbd_fsx...')
with parallel() as p:
for role in config['clients']:
p.spawn(_run_one_client, ctx, config, role)
yield
def _run_one_client(ctx, config, role):
"""Spawned task that runs the client"""
krbd = config.get('krbd', False)
nbd = config.get('nbd', False)
testdir = teuthology.get_testdir(ctx)
(remote,) = ctx.cluster.only(role).remotes.iterkeys()
args = []
if krbd or nbd:
args.append('sudo') # rbd(-nbd) map/unmap need privileges
args.extend([
'adjust-ulimits',
'ceph-coverage',
'{tdir}/archive/coverage'.format(tdir=testdir)
])
overrides = ctx.config.get('overrides', {})
teuthology.deep_merge(config, overrides.get('rbd_fsx', {}))
if config.get('valgrind'):
args = teuthology.get_valgrind_args(
testdir,
'fsx_{id}'.format(id=role),
args,
config.get('valgrind')
)
args.extend([
'ceph_test_librbd_fsx',
'-d', # debug output for all operations
'-W', '-R', # mmap doesn't work with rbd
'-p', str(config.get('progress_interval', 100)), # show progress
'-P', '{tdir}/archive'.format(tdir=testdir),
'-r', str(config.get('readbdy',1)),
'-w', str(config.get('writebdy',1)),
'-t', str(config.get('truncbdy',1)),
'-h', str(config.get('holebdy',1)),
'-l', str(config.get('size', 250000000)),
'-S', str(config.get('seed', 0)),
'-N', str(config.get('ops', 1000)),
])
if krbd:
args.append('-K') # -K enables krbd mode
if nbd:
args.append('-M') # -M enables nbd mode
if config.get('direct_io', False):
args.append('-Z') # -Z use direct IO
if not config.get('randomized_striping', True):
args.append('-U') # -U disables randomized striping
if not config.get('punch_holes', True):
args.append('-H') # -H disables discard ops
if config.get('journal_replay', False):
args.append('-j') # -j replay all IO events from journal
args.extend([
'pool_{pool}'.format(pool=role),
'image_{image}'.format(image=role),
])
remote.run(args=args)
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