charm-hacluster/charmhelpers/core/kernel_factory/centos.py
Alex Kavanagh 02b406b6f3 Convert charm to Python 3
Change-Id: Ib7cc06b3b42f26f725a9ea79f09189cc72952d29
2019-03-14 12:40:07 +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])