ceph/teuthology/task/rbd_fsx.py
Zack Cerza b2af06920e Merge pull request #144 from ceph/wip-doc5939-wusui
Added docstrings, and improved some of the comments on several tasks.
2013-10-28 14:20:44 -07:00

65 lines
1.8 KiB
Python

"""
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>
"""
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"""
testdir = teuthology.get_testdir(ctx)
(remote,) = ctx.cluster.only(role).remotes.iterkeys()
remote.run(
args=[
'adjust-ulimits',
'ceph-coverage',
'{tdir}/archive/coverage'.format(tdir=testdir),
'ceph_test_librbd_fsx',
'-d',
'-W', '-R', # mmap doesn't work with rbd
'-p', str(config.get('progress_interval', 100)), # show progress
'-P', '{tdir}/archive'.format(tdir=testdir),
'-t', str(config.get('truncbdy',1)),
'-l', str(config.get('size', 250000000)),
'-S', str(config.get('seed', 0)),
'-N', str(config.get('ops', 1000)),
'pool_{pool}'.format(pool=role),
'image_{image}'.format(image=role),
],
)