mirror of
https://github.com/ceph/ceph
synced 2024-12-25 21:03:31 +00:00
133 lines
3.7 KiB
Python
133 lines
3.7 KiB
Python
"""
|
|
Common filesystem related utilities. Originally this
|
|
code was part of rbd.py. It was broken out so that it
|
|
could be used by other modules (tgt.py and iscsi.py for instance).
|
|
"""
|
|
import logging
|
|
import contextlib
|
|
from teuthology import misc as teuthology
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
def default_image_name(role):
|
|
"""
|
|
Image name used by rbd and iscsi
|
|
"""
|
|
return 'testimage.{role}'.format(role=role)
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def generic_mkfs(ctx, config, devname_rtn):
|
|
"""
|
|
Create a filesystem (either rbd or tgt, depending on devname_rtn)
|
|
|
|
Rbd for example, now makes the following calls:
|
|
- rbd.create_image: [client.0]
|
|
- rbd.modprobe: [client.0]
|
|
- rbd.dev_create: [client.0]
|
|
- common_fs_utils.generic_mkfs: [client.0]
|
|
- common_fs_utils.generic_mount:
|
|
client.0: testimage.client.0
|
|
"""
|
|
assert isinstance(config, list) or isinstance(config, dict), \
|
|
"task mkfs must be configured with a list or dictionary"
|
|
if isinstance(config, dict):
|
|
images = config.items()
|
|
else:
|
|
images = [(role, None) for role in config]
|
|
|
|
for role, properties in images:
|
|
if properties is None:
|
|
properties = {}
|
|
(remote,) = ctx.cluster.only(role).remotes.keys()
|
|
image = properties.get('image_name', default_image_name(role))
|
|
fs_type = properties.get('fs_type', 'ext3')
|
|
remote.run(
|
|
args=[
|
|
'sudo',
|
|
'mkfs',
|
|
'-t', fs_type,
|
|
devname_rtn(ctx, image),
|
|
],
|
|
)
|
|
yield
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def generic_mount(ctx, config, devname_rtn):
|
|
"""
|
|
Generic Mount an rbd or tgt image.
|
|
|
|
Rbd for example, now makes the following calls:
|
|
- rbd.create_image: [client.0]
|
|
- rbd.modprobe: [client.0]
|
|
- rbd.dev_create: [client.0]
|
|
- common_fs_utils.generic_mkfs: [client.0]
|
|
- common_fs_utils.generic_mount:
|
|
client.0: testimage.client.0
|
|
"""
|
|
assert isinstance(config, list) or isinstance(config, dict), \
|
|
"task mount must be configured with a list or dictionary"
|
|
if isinstance(config, dict):
|
|
role_images = config.items()
|
|
else:
|
|
role_images = [(role, None) for role in config]
|
|
|
|
def strip_client_prefix(role):
|
|
"""
|
|
Extract the number from the name of a client role
|
|
"""
|
|
prefix = 'client.'
|
|
assert role.startswith(prefix)
|
|
id_ = role[len(prefix):]
|
|
return id_
|
|
|
|
testdir = teuthology.get_testdir(ctx)
|
|
|
|
mnt_template = '{tdir}/mnt.{id}'
|
|
mounted = []
|
|
for role, image in role_images:
|
|
if image is None:
|
|
image = default_image_name(role)
|
|
(remote,) = ctx.cluster.only(role).remotes.keys()
|
|
id_ = strip_client_prefix(role)
|
|
mnt = mnt_template.format(tdir=testdir, id=id_)
|
|
mounted.append((remote, mnt))
|
|
remote.run(
|
|
args=[
|
|
'mkdir',
|
|
'--',
|
|
mnt,
|
|
]
|
|
)
|
|
|
|
remote.run(
|
|
args=[
|
|
'sudo',
|
|
'mount',
|
|
devname_rtn(ctx, image),
|
|
mnt,
|
|
],
|
|
)
|
|
|
|
try:
|
|
yield
|
|
finally:
|
|
log.info("Unmounting rbd images... %s", mounted)
|
|
for remote, mnt in mounted:
|
|
remote.run(
|
|
args=[
|
|
'sudo',
|
|
'umount',
|
|
mnt,
|
|
],
|
|
)
|
|
remote.run(
|
|
args=[
|
|
'rmdir',
|
|
'--',
|
|
mnt,
|
|
]
|
|
)
|