mirror of https://github.com/ceph/ceph
146 lines
4.2 KiB
Python
146 lines
4.2 KiB
Python
"""
|
|
Ceph FUSE client task
|
|
"""
|
|
|
|
import contextlib
|
|
import logging
|
|
|
|
from teuthology import misc as teuthology
|
|
from cephfs.fuse_mount import FuseMount
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
def get_client_configs(ctx, config):
|
|
"""
|
|
Get a map of the configuration for each FUSE client in the configuration by
|
|
combining the configuration of the current task with any global overrides.
|
|
|
|
:param ctx: Context instance
|
|
:param config: configuration for this task
|
|
:return: dict of client name to config or to None
|
|
"""
|
|
if config is None:
|
|
config = dict(('client.{id}'.format(id=id_), None)
|
|
for id_ in teuthology.all_roles_of_type(ctx.cluster, 'client'))
|
|
elif isinstance(config, list):
|
|
config = dict((name, None) for name in config)
|
|
|
|
overrides = ctx.config.get('overrides', {})
|
|
teuthology.deep_merge(config, overrides.get('ceph-fuse', {}))
|
|
|
|
return config
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def task(ctx, config):
|
|
"""
|
|
Mount/unmount a ``ceph-fuse`` client.
|
|
|
|
The config is optional and defaults to mounting on all clients. If
|
|
a config is given, it is expected to be a list of clients to do
|
|
this operation on. This lets you e.g. set up one client with
|
|
``ceph-fuse`` and another with ``kclient``.
|
|
|
|
Example that mounts all clients::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- ceph-fuse:
|
|
- interactive:
|
|
|
|
Example that uses both ``kclient` and ``ceph-fuse``::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- ceph-fuse: [client.0]
|
|
- kclient: [client.1]
|
|
- interactive:
|
|
|
|
Example that enables valgrind:
|
|
|
|
tasks:
|
|
- ceph:
|
|
- ceph-fuse:
|
|
client.0:
|
|
valgrind: [--tool=memcheck, --leak-check=full, --show-reachable=yes]
|
|
- interactive:
|
|
|
|
Example that stops an already-mounted client:
|
|
|
|
::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- ceph-fuse: [client.0]
|
|
- ... do something that requires the FS mounted ...
|
|
- ceph-fuse:
|
|
client.0:
|
|
mounted: false
|
|
- ... do something that requires the FS unmounted ...
|
|
|
|
Example that adds more generous wait time for mount (for virtual machines):
|
|
|
|
tasks:
|
|
- ceph:
|
|
- ceph-fuse:
|
|
client.0:
|
|
mount_wait: 60 # default is 0, do not wait before checking /sys/
|
|
mount_timeout: 120 # default is 30, give up if /sys/ is not populated
|
|
- interactive:
|
|
|
|
:param ctx: Context
|
|
:param config: Configuration
|
|
"""
|
|
log.info('Mounting ceph-fuse clients...')
|
|
|
|
testdir = teuthology.get_testdir(ctx)
|
|
config = get_client_configs(ctx, config)
|
|
|
|
# List clients we will configure mounts for, default is all clients
|
|
clients = list(teuthology.get_clients(ctx=ctx, roles=config.keys()))
|
|
|
|
all_mounts = getattr(ctx, 'mounts', {})
|
|
mounted_by_me = {}
|
|
|
|
# Construct any new FuseMount instances
|
|
for id_, remote in clients:
|
|
client_config = config.get("client.%s" % id_)
|
|
if client_config is None:
|
|
client_config = {}
|
|
|
|
if id_ not in all_mounts:
|
|
fuse_mount = FuseMount(client_config, testdir, id_, remote)
|
|
all_mounts[id_] = fuse_mount
|
|
else:
|
|
# Catch bad configs where someone has e.g. tried to use ceph-fuse and kcephfs for the same client
|
|
assert isinstance(all_mounts[id_], FuseMount)
|
|
|
|
if client_config.get('mounted', True):
|
|
mounted_by_me[id_] = all_mounts[id_]
|
|
|
|
ctx.mounts = all_mounts
|
|
|
|
# Mount any clients we have been asked to (default to mount all)
|
|
for mount in mounted_by_me.values():
|
|
mount.mount()
|
|
|
|
for mount in mounted_by_me.values():
|
|
mount.wait_until_mounted()
|
|
|
|
# Umount any pre-existing clients that we have not been asked to mount
|
|
for client_id in set(all_mounts.keys()) - set(mounted_by_me.keys()):
|
|
mount = all_mounts[client_id]
|
|
if mount.is_mounted():
|
|
mount.umount_wait()
|
|
|
|
try:
|
|
yield all_mounts
|
|
finally:
|
|
log.info('Unmounting ceph-fuse clients...')
|
|
|
|
for mount in mounted_by_me.values():
|
|
# Conditional because an inner context might have umounted it
|
|
if mount.is_mounted():
|
|
mount.umount_wait()
|