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Create check_running_kernel

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Thorsten Spille 2021-07-08 19:41:44 +02:00 committed by GitHub
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#!/bin/bash
# check_running_kernel
# This plugin checks if the latest installed kernel is runnning or if the system needs to be rebooted
# Author: (C)2021 Thorsten Spille <thorsten@spille-edv.de>
# MIT License
#
# Copyright (c) 2021 Bash Club
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
uname=$(uname -r)
major_version=${uname:0:3}
if [[ "$uname" == *"-pve" ]]; then
filter=pve-kernel-$major_version
else
filter=linux-image-$major_version
fi
latest_kernel=$(dpkg --get-selections | grep $filter | tail -1 | cut -f1 | cut -d'-' -f3-)
if [[ "$latest_kernel" == "$uname" ]]; then
echo -e "0 \"Running Kernel\" version_ok=0;1;|running_kernel=$uname;;|latest_installed_kernel=$latest_kernel;; Currently running Kernel up-to-date - OK"
else
echo -e "1 \"Running Kernel\" version_ok=1;1;|running_kernel=$uname;;|latest_installed_kernel=$latest_kernel;; Newer Kernel version installed. Please reboot machine! - WARN"
fi