open-cas-linux/utils/open-cas-loader
Slawomir_Jankowski 3d5d82f892 Translate python2 to python3
*opencas.py*: changed result class to contain text values instead of bytes,
translated chache configuring methods to py3,
*init script*: changed regex input on raw string to work in py3.

Signed-off-by: Slawomir_Jankowski <slawomir.jankowski@intel.com>
2019-08-05 13:19:04 +02:00

56 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env python3
#
# Copyright(c) 2012-2019 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause-Clear
#
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)