mirror of
https://github.com/ceph/ceph
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133 lines
4.6 KiB
Python
133 lines
4.6 KiB
Python
"""
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Rados modle-based integration tests
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"""
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import contextlib
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import logging
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import gevent
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from ceph_manager import CephManager
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from teuthology import misc as teuthology
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from ..orchestra import run
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log = logging.getLogger(__name__)
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@contextlib.contextmanager
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def task(ctx, config):
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"""
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Run RadosModel-based integration tests.
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The config should be as follows::
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rados:
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clients: [client list]
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ops: <number of ops>
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objects: <number of objects to use>
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max_in_flight: <max number of operations in flight>
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object_size: <size of objects in bytes>
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min_stride_size: <minimum write stride size in bytes>
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max_stride_size: <maximum write stride size in bytes>
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op_weights: <dictionary mapping operation type to integer weight>
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runs: <number of times to run> - the pool is remade between runs
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For example::
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tasks:
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- ceph:
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- rados:
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clients: [client.0]
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ops: 1000
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max_seconds: 0 # 0 for no limit
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objects: 25
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max_in_flight: 16
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object_size: 4000000
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min_stride_size: 1024
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max_stride_size: 4096
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op_weights:
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read: 20
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write: 10
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delete: 2
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snap_create: 3
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rollback: 2
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snap_remove: 0
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runs: 10
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- interactive:
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"""
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log.info('Beginning rados...')
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assert isinstance(config, dict), \
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"please list clients to run on"
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object_size = int(config.get('object_size', 4000000))
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op_weights = config.get('op_weights', {})
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testdir = teuthology.get_testdir(ctx)
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args = [
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'adjust-ulimits',
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'ceph-coverage',
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'{tdir}/archive/coverage'.format(tdir=testdir),
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'ceph_test_rados',
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'--op', 'read', str(op_weights.get('read', 100)),
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'--op', 'write', str(op_weights.get('write', 100)),
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'--op', 'delete', str(op_weights.get('delete', 10)),
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'--op', 'snap_create', str(op_weights.get('snap_create', 0)),
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'--op', 'snap_remove', str(op_weights.get('snap_remove', 0)),
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'--op', 'rollback', str(op_weights.get('rollback', 0)),
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'--op', 'setattr', str(op_weights.get('setattr', 0)),
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'--op', 'rmattr', str(op_weights.get('rmattr', 0)),
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'--op', 'watch', str(op_weights.get('watch', 0)),
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'--max-ops', str(config.get('ops', 10000)),
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'--objects', str(config.get('objects', 500)),
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'--max-in-flight', str(config.get('max_in_flight', 16)),
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'--size', str(object_size),
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'--min-stride-size', str(config.get('min_stride_size', object_size / 10)),
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'--max-stride-size', str(config.get('max_stride_size', object_size / 5)),
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'--max-seconds', str(config.get('max_seconds', 0))
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]
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if 'copy_from' in op_weights:
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args.extend([
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'--op', 'copy_from', str(op_weights.get('copy_from', 0))
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])
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def thread():
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"""Thread spawned by gevent"""
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if not hasattr(ctx, 'manager'):
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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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ctx.manager = CephManager(
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mon,
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ctx=ctx,
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logger=log.getChild('ceph_manager'),
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)
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clients = ['client.{id}'.format(id=id_) for id_ in teuthology.all_roles_of_type(ctx.cluster, 'client')]
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log.info('clients are %s' % clients)
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for i in range(int(config.get('runs', '1'))):
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log.info("starting run %s out of %s", str(i), config.get('runs', '1'))
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tests = {}
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pools = []
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for role in config.get('clients', clients):
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assert isinstance(role, basestring)
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PREFIX = 'client.'
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assert role.startswith(PREFIX)
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id_ = role[len(PREFIX):]
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pool = ctx.manager.create_pool_with_unique_name()
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pools.append(pool)
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(remote,) = ctx.cluster.only(role).remotes.iterkeys()
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proc = remote.run(
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args=["CEPH_CLIENT_ID={id_}".format(id_=id_)] + args +
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["--pool", pool],
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logger=log.getChild("rados.{id}".format(id=id_)),
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stdin=run.PIPE,
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wait=False
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)
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tests[id_] = proc
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run.wait(tests.itervalues())
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for pool in pools:
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ctx.manager.remove_pool(pool)
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running = gevent.spawn(thread)
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try:
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yield
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finally:
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log.info('joining rados')
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running.get()
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