mirror of
https://github.com/bashclub/checkmk-monitoring-plugins.git
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59 lines
2.4 KiB
Bash
59 lines
2.4 KiB
Bash
#!/bin/bash
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# check_running_kernel
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# This plugin checks if the latest installed kernel is runnning or if the system needs to be rebooted
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# Author: (C)2021 Thorsten Spille <thorsten@spille-edv.de>
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# MIT License
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#
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# Copyright (c) 2021 Bash Club
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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uname=$(uname -r)
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major_version=${uname:0:3}
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if [[ "$uname" == *"-pve"* ]]; then
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if [[ "$(lsb_release -cs 2> /dev/null)" == "bookworm" ]]; then
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if [[ "$major_version" == "6.5" ]]; then
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filter="proxmox-kernel-${major_version}.*-signed"
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uname=${uname}-signed
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else
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filter="proxmox-kernel-${major_version}"
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fi
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else
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filter="pve-kernel-${major_version}"
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fi
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elif [[ "$uname" == *"-mvebu" ]]; then
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latest_kernel=$(dpkg -l | grep -m1 linux-image-current-mvebu | rev | cut -d ' ' -f2 | rev)
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else
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filter="linux-image-$major_version"
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fi
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if [[ "$uname" != *"-mvebu" ]]; then
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latest_kernel=$(dpkg --get-selections | grep -E $filter | grep -E "\sinstall" | sort -V | tail -1 | cut -f1 | cut -d'-' -f3-)
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fi
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if [[ "$latest_kernel" == "$uname" ]]; then
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echo -e "0 \"Running Kernel\" version_ok=0;1;|running_kernel=$uname;;|latest_installed_kernel=$latest_kernel;; Currently running Kernel up-to-date - OK"
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else
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echo -e "1 \"Running Kernel\" version_ok=1;1;|running_kernel=$uname;;|latest_installed_kernel=$latest_kernel;; Newer Kernel version installed. Please reboot machine! - WARN"
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fi
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