mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
109 lines
2.8 KiB
Python
109 lines
2.8 KiB
Python
# Copyright (C) 2015-2016 Red Hat, Inc. All rights reserved.
|
|
#
|
|
# This copyrighted material is made available to anyone wishing to use,
|
|
# modify, copy, or redistribute it subject to the terms and conditions
|
|
# of the GNU General Public License v.2.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import os
|
|
import multiprocessing
|
|
import queue
|
|
import itertools
|
|
|
|
from lvmdbusd import path
|
|
|
|
LVM_CMD = os.getenv('LVM_BINARY', path.LVM_BINARY)
|
|
|
|
LOCK_FILE = os.getenv("LVM_DBUSD_LOCKFILE", "/var/lock/lvm/lvmdbusd")
|
|
|
|
# This is the global object manager
|
|
om = None
|
|
|
|
# This is the global bus connection
|
|
bus = None
|
|
|
|
# Command line args
|
|
args = None
|
|
|
|
# Set to true if we are depending on external events for updates
|
|
got_external_event = False
|
|
|
|
# Shared state variable across all processes
|
|
run = multiprocessing.Value('i', 1)
|
|
|
|
# If this is set to true, the current setup support lvm shell and we are
|
|
# running in that mode of operation
|
|
SHELL_IN_USE = None
|
|
|
|
# Lock used by pprint
|
|
stdout_lock = multiprocessing.Lock()
|
|
|
|
worker_q = queue.Queue()
|
|
|
|
# Main event loop
|
|
loop = None
|
|
|
|
BUS_NAME = os.getenv('LVM_DBUS_NAME', 'com.redhat.lvmdbus1')
|
|
BASE_INTERFACE = 'com.redhat.lvmdbus1'
|
|
PV_INTERFACE = BASE_INTERFACE + '.Pv'
|
|
VG_INTERFACE = BASE_INTERFACE + '.Vg'
|
|
VG_VDO_INTERFACE = BASE_INTERFACE + '.VgVdo'
|
|
LV_INTERFACE = BASE_INTERFACE + '.Lv'
|
|
LV_COMMON_INTERFACE = BASE_INTERFACE + '.LvCommon'
|
|
THIN_POOL_INTERFACE = BASE_INTERFACE + '.ThinPool'
|
|
VDO_POOL_INTERFACE = BASE_INTERFACE + '.VdoPool'
|
|
CACHE_POOL_INTERFACE = BASE_INTERFACE + '.CachePool'
|
|
LV_CACHED = BASE_INTERFACE + '.CachedLv'
|
|
SNAPSHOT_INTERFACE = BASE_INTERFACE + '.Snapshot'
|
|
MANAGER_INTERFACE = BASE_INTERFACE + '.Manager'
|
|
JOB_INTERFACE = BASE_INTERFACE + '.Job'
|
|
|
|
BASE_OBJ_PATH = '/' + BASE_INTERFACE.replace('.', '/')
|
|
PV_OBJ_PATH = BASE_OBJ_PATH + '/Pv'
|
|
VG_OBJ_PATH = BASE_OBJ_PATH + '/Vg'
|
|
LV_OBJ_PATH = BASE_OBJ_PATH + '/Lv'
|
|
THIN_POOL_PATH = BASE_OBJ_PATH + "/ThinPool"
|
|
VDO_POOL_PATH = BASE_OBJ_PATH + "/VdoPool"
|
|
CACHE_POOL_PATH = BASE_OBJ_PATH + "/CachePool"
|
|
HIDDEN_LV_PATH = BASE_OBJ_PATH + "/HiddenLv"
|
|
MANAGER_OBJ_PATH = BASE_OBJ_PATH + '/Manager'
|
|
JOB_OBJ_PATH = BASE_OBJ_PATH + '/Job'
|
|
|
|
# Counters for object path generation
|
|
pv_id = itertools.count()
|
|
vg_id = itertools.count()
|
|
lv_id = itertools.count()
|
|
thin_id = itertools.count()
|
|
vdo_id = itertools.count()
|
|
cache_pool_id = itertools.count()
|
|
job_id = itertools.count()
|
|
hidden_lv = itertools.count()
|
|
|
|
# Used to prevent circular imports...
|
|
load = None
|
|
event = None
|
|
|
|
# Boolean to denote if lvm supports VDO integration
|
|
vdo_support = False
|
|
|
|
# Global cached state
|
|
db = None
|
|
|
|
# lvm flight recorder
|
|
flightrecorder = None
|
|
|
|
# RequestEntry ctor
|
|
create_request_entry = None
|
|
|
|
|
|
def exit_daemon():
|
|
"""
|
|
Exit the daemon cleanly
|
|
:return:
|
|
"""
|
|
if run and loop:
|
|
run.value = 0
|
|
loop.quit()
|