57 lines
1.7 KiB
Python
Executable File
57 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python2
|
|
#
|
|
# Copyright(c) 2012-2019 Intel Corporation
|
|
# SPDX-License-Identifier: BSD-3-Clause-Clear
|
|
#
|
|
|
|
from __future__ import print_function
|
|
import subprocess
|
|
import time
|
|
import opencas
|
|
import sys
|
|
import os
|
|
import syslog as sl
|
|
|
|
def wait_for_cas_ctrl():
|
|
for i in range(30): # timeout 30s
|
|
if os.path.exists('/dev/cas_ctrl'):
|
|
return
|
|
time.sleep(1)
|
|
|
|
try:
|
|
subprocess.call(['/sbin/modprobe', 'cas_cache'])
|
|
except:
|
|
sl.syslog(sl.LOG_ERR, 'Unable to probe cas_cache module')
|
|
exit(1)
|
|
|
|
try:
|
|
config = opencas.cas_config.from_file('/etc/opencas/opencas.conf',
|
|
allow_incomplete=True)
|
|
except Exception as e:
|
|
sl.syslog(sl.LOG_ERR,
|
|
'Unable to load opencas config. Reason: {0}'.format(str(e)))
|
|
exit(1)
|
|
|
|
for cache in config.caches.values():
|
|
if sys.argv[1] == os.path.realpath(cache.device):
|
|
try:
|
|
wait_for_cas_ctrl()
|
|
opencas.start_cache(cache, True)
|
|
except opencas.casadm.CasadmError as e:
|
|
sl.syslog(sl.LOG_WARNING,
|
|
'Unable to load cache {0} ({1}). Reason: {2}'
|
|
.format(cache.cache_id, cache.device, e.result.stderr))
|
|
exit(e.result.exit_code)
|
|
exit(0)
|
|
for core in cache.cores.values():
|
|
if sys.argv[1] == os.path.realpath(core.device):
|
|
try:
|
|
wait_for_cas_ctrl()
|
|
opencas.add_core(core, True)
|
|
except opencas.casadm.CasadmError as e:
|
|
sl.syslog(sl.LOG_WARNING,
|
|
'Unable to attach core {0} from cache {1}. Reason: {2}'
|
|
.format(core.device, cache.cache_id, e.result.stderr))
|
|
exit(e.result.exit_code)
|
|
exit(0)
|