charm-cinder-ceph/charmhelpers/core/kernel_factory/centos.py
Alex Kavanagh 9802731e58 Migrate charm to python3 only runtime
Change-Id: I921f3e2fc8250ca7250ca7dfc47e12644ce4ef98
2019-01-31 22:05:20 +00:00

18 lines
538 B
Python

import subprocess
import os
def persistent_modprobe(module):
"""Load a kernel module and configure for auto-load on reboot."""
if not os.path.exists('/etc/rc.modules'):
open('/etc/rc.modules', 'a')
os.chmod('/etc/rc.modules', 111)
with open('/etc/rc.modules', 'r+') as modules:
if module not in modules.read():
modules.write('modprobe %s\n' % module)
def update_initramfs(version='all'):
"""Updates an initramfs image."""
return subprocess.check_call(["dracut", "-f", version])