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74 lines
1.6 KiB
Python

#!/usr/bin/python
from __future__ import division, print_function
from distutils.version import LooseVersion
import posixpath
import re
import subprocess
import sys
def proc_version():
with open('/proc/version', 'r') as v:
proc_version = v.next()
return proc_version
def running_kernel_version():
m = re.search('(?<=Linux version )\S+', proc_version())
if m:
version = clean_kernel_version(m.group(0))
else:
version = None
return version
def is_fedora():
return posixpath.exists('/etc/fedora-release')
def installed_kernel_versions():
if is_fedora():
return installed_kernel_versions_fedora()
def installed_kernel_versions_fedora():
rpm_out = subprocess.check_output(
['rpm', '--queryformat=%{VERSION}-%{RELEASE}\n', '-q', 'kernel'])
rpm_out = rpm_out.strip()
versions = rpm_out.split('\n')
versions = [clean_kernel_version(v) for v in versions]
return versions
def installed_kernel_version():
return sorted(installed_kernel_versions())[-1]
def clean_kernel_version(version):
# arch
version = re.sub('\.(x86_64|i[3-6]86)', '', version)
# Fedora release
version = re.sub('\.fc\d+', '', version)
return LooseVersion(version)
def main():
running = running_kernel_version()
installed = installed_kernel_version()
if running == installed:
print('KERNEL OK - running version {}'.format(running))
sys.exit(0)
else:
print('KERNEL WARNING - running version {}, installed: {}'
.format(running, installed))
sys.exit(1)
if __name__ == '__main__':
main()