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99 lines
2.4 KiB
Python
99 lines
2.4 KiB
Python
#!/usr/bin/python
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from __future__ import division, print_function
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from distutils.version import LooseVersion
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import posixpath
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import re
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import subprocess
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import sys
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def proc_version():
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with open('/proc/version', 'r') as v:
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proc_version = v.next()
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return proc_version
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def running_kernel_version():
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m = re.findall('(?<=Debian )\S+', proc_version())
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if m:
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# Note: it's the _second_ match
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version = clean_kernel_version(m[1])
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return version
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m = re.search('(?<=Linux version )\S+', proc_version())
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if m:
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version = clean_kernel_version(m.group(0))
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return version
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def is_debian():
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return posixpath.exists('/etc/debian_version')
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def is_fedora():
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return posixpath.exists('/etc/fedora-release')
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def installed_kernel_versions():
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if is_debian():
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return installed_kernel_versions_debian()
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if is_fedora():
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return installed_kernel_versions_fedora()
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def installed_kernel_versions_debian():
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dpkg_out = subprocess.check_output(
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['dpkg-query', '--show', '--showformat', '${Package} ${Version}\n', 'linux-image*'])
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dpkg_out = dpkg_out.strip()
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versions = dpkg_out.split('\n')
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versions = [v for v in versions if re.search('^linux-image-\d', v)]
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versions = [clean_kernel_version(v.split(' ')[1]) for v in versions]
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return versions
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def installed_kernel_versions_fedora():
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rpm_out = subprocess.check_output(
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['rpm', '--queryformat=%{VERSION}-%{RELEASE}\n', '-q', 'kernel'])
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rpm_out = rpm_out.strip()
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versions = rpm_out.split('\n')
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versions = [clean_kernel_version(v) for v in versions]
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return versions
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def installed_kernel_version():
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return sorted(installed_kernel_versions())[-1]
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def clean_kernel_version(version):
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# arch
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version = re.sub('\.(x86_64|i[3-6]86)', '', version)
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# Fedora release
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version = re.sub('\.fc\d+', '', version)
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return LooseVersion(version)
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def main():
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if len(sys.argv) > 1:
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print('This plugin no longer takes the expected kernel version as an argument')
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sys.exit(3)
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running = running_kernel_version()
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installed = installed_kernel_version()
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if running == installed:
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print('KERNEL OK - running version {}'.format(running))
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sys.exit(0)
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else:
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print('KERNEL WARNING - running version {}, installed: {}'
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.format(running, installed))
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sys.exit(1)
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if __name__ == '__main__':
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main()
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