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import argparse
import logging
import sys
from textwrap import dedent
from ceph_volume import conf
from ceph_volume.util import encryption, system
from ceph_volume.api.lvm import get_lvs_by_tag
logger = logging.getLogger(__name__)
def deactivate_osd(osd_id=None, osd_uuid=None):
lvs = []
if osd_uuid is not None:
lvs = get_lvs_by_tag('ceph.osd_fsid={}'.format(osd_uuid))
osd_id = next(lv.tags['ceph.osd_id'] for lv in lvs)
else:
lvs = get_lvs_by_tag('ceph.osd_id={}'.format(osd_id))
data_lv = next(lv for lv in lvs if lv.tags['ceph.type'] in ['data', 'block'])
conf.cluster = data_lv.tags['ceph.cluster_name']
logger.debug('Found cluster name {}'.format(conf.cluster))
tmpfs_path = '/var/lib/ceph/osd/{}-{}'.format(conf.cluster, osd_id)
system.unmount_tmpfs(tmpfs_path)
for lv in lvs:
if lv.tags.get('ceph.encrypted', '0') == '1':
encryption.dmcrypt_close(lv.lv_uuid)
class Deactivate(object):
help = 'Deactivate OSDs'
def deactivate(self, args=None):
if args:
self.args = args
try:
deactivate_osd(self.args.osd_id, self.args.osd_uuid)
except StopIteration:
logger.error(('No data or block LV found for OSD'
'{}').format(self.args.osd_id))
sys.exit(1)
def __init__(self, argv):
self.argv = argv
def main(self):
sub_command_help = dedent("""
Deactivate unmounts and OSDs tmpfs and closes any crypt devices.
ceph-volume lvm deactivate {ID} {FSID}
""")
parser = argparse.ArgumentParser(
prog='ceph-volume lvm deactivate',
formatter_class=argparse.RawDescriptionHelpFormatter,
description=sub_command_help,
)
parser.add_argument(
'osd_id',
nargs='?',
help='The ID of the OSD'
)
parser.add_argument(
'osd_uuid',
nargs='?',
help='The UUID of the OSD, similar to a SHA1, takes precedence over osd_id'
)
# parser.add_argument(
# '--all',
# action='store_true',
# help='Deactivate all OSD volumes found in the system',
# )
if len(self.argv) == 0:
print(sub_command_help)
return
args = parser.parse_args(self.argv)
# Default to bluestore here since defaulting it in add_argument may
# cause both to be True
if not args.osd_id and not args.osd_uuid:
raise ValueError(('Can not identify OSD, pass either all or'
'osd_id or osd_uuid'))
self.deactivate(args)
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