mirror of
https://github.com/ceph/ceph
synced 2024-12-21 02:42:48 +00:00
178 lines
4.9 KiB
Python
178 lines
4.9 KiB
Python
"""
|
|
Task to handle tgt
|
|
|
|
Assumptions made:
|
|
The ceph-extras tgt package may need to get installed.
|
|
The open-iscsi package needs to get installed.
|
|
"""
|
|
import logging
|
|
import contextlib
|
|
|
|
from teuthology import misc as teuthology
|
|
from teuthology import contextutil
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def start_tgt_remotes(ctx, start_tgtd):
|
|
"""
|
|
This subtask starts up a tgtd on the clients specified
|
|
"""
|
|
remotes = ctx.cluster.only(teuthology.is_type('client')).remotes
|
|
tgtd_list = []
|
|
for rem, roles in remotes.iteritems():
|
|
for _id in roles:
|
|
if _id in start_tgtd:
|
|
if not rem in tgtd_list:
|
|
tgtd_list.append(rem)
|
|
size = ctx.config.get('image_size', 10240)
|
|
rem.run(
|
|
args=[
|
|
'rbd',
|
|
'create',
|
|
'iscsi-image',
|
|
'--size',
|
|
str(size),
|
|
])
|
|
rem.run(
|
|
args=[
|
|
'sudo',
|
|
'tgtadm',
|
|
'--lld',
|
|
'iscsi',
|
|
'--mode',
|
|
'target',
|
|
'--op',
|
|
'new',
|
|
'--tid',
|
|
'1',
|
|
'--targetname',
|
|
'rbd',
|
|
])
|
|
rem.run(
|
|
args=[
|
|
'sudo',
|
|
'tgtadm',
|
|
'--lld',
|
|
'iscsi',
|
|
'--mode',
|
|
'logicalunit',
|
|
'--op',
|
|
'new',
|
|
'--tid',
|
|
'1',
|
|
'--lun',
|
|
'1',
|
|
'--backing-store',
|
|
'iscsi-image',
|
|
'--bstype',
|
|
'rbd',
|
|
])
|
|
rem.run(
|
|
args=[
|
|
'sudo',
|
|
'tgtadm',
|
|
'--lld',
|
|
'iscsi',
|
|
'--op',
|
|
'bind',
|
|
'--mode',
|
|
'target',
|
|
'--tid',
|
|
'1',
|
|
'-I',
|
|
'ALL',
|
|
])
|
|
try:
|
|
yield
|
|
|
|
finally:
|
|
for rem in tgtd_list:
|
|
rem.run(
|
|
args=[
|
|
'sudo',
|
|
'tgtadm',
|
|
'--lld',
|
|
'iscsi',
|
|
'--mode',
|
|
'target',
|
|
'--op',
|
|
'delete',
|
|
'--force',
|
|
'--tid',
|
|
'1',
|
|
])
|
|
rem.run(
|
|
args=[
|
|
'rbd',
|
|
'snap',
|
|
'purge',
|
|
'iscsi-image',
|
|
])
|
|
rem.run(
|
|
args=[
|
|
'sudo',
|
|
'rbd',
|
|
'rm',
|
|
'iscsi-image',
|
|
])
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def task(ctx, config):
|
|
"""
|
|
Start up tgt.
|
|
|
|
To start on on all clients::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- tgt:
|
|
|
|
To start on certain clients::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- tgt: [client.0, client.3]
|
|
|
|
or
|
|
|
|
tasks:
|
|
- ceph:
|
|
- tgt:
|
|
client.0:
|
|
client.3:
|
|
|
|
An image blocksize size can also be specified::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- tgt:
|
|
image_size = 20480
|
|
|
|
The general flow of things here is:
|
|
1. Find clients on which tgt is supposed to run (start_tgtd)
|
|
2. Remotely start up tgt daemon
|
|
On cleanup:
|
|
3. Stop tgt daemon
|
|
|
|
The iscsi administration is handled by the iscsi task.
|
|
"""
|
|
if config:
|
|
config = {key : val for key, val in config.items()
|
|
if key.startswith('client')}
|
|
# config at this point should only contain keys starting with 'client'
|
|
start_tgtd = []
|
|
remotes = ctx.cluster.only(teuthology.is_type('client')).remotes
|
|
log.info(remotes)
|
|
if not config:
|
|
start_tgtd = ['client.{id}'.format(id=id_)
|
|
for id_ in teuthology.all_roles_of_type(ctx.cluster, 'client')]
|
|
else:
|
|
start_tgtd = config
|
|
log.info(start_tgtd)
|
|
with contextutil.nested(
|
|
lambda: start_tgt_remotes(ctx=ctx, start_tgtd=start_tgtd),):
|
|
yield
|