Proxmox/misc/kernel-clean.sh
2023-02-07 12:15:22 -05:00

138 lines
4.0 KiB
Bash

#!/usr/bin/env bash
# Copyright (c) 2021-2023 tteck
# Author: tteck (tteckster)
# License: MIT
# https://github.com/tteck/Proxmox/raw/main/LICENSE
function header_info {
cat <<"EOF"
__ __ __ ________
/ //_/__ _________ ___ / / / ____/ /__ ____ _____
/ ,< / _ \/ ___/ __ \/ _ \/ / / / / / _ \/ __ `/ __ \
/ /| / __/ / / / / / __/ / / /___/ / __/ /_/ / / / /
/_/ |_\___/_/ /_/ /_/\___/_/ \____/_/\___/\__,_/_/ /_/
EOF
}
set -euo pipefail
shopt -s inherit_errexit nullglob
YW=$(echo "\033[33m")
BL=$(echo "\033[36m")
RD=$(echo "\033[01;31m")
BGN=$(echo "\033[4;92m")
GN=$(echo "\033[1;92m")
DGN=$(echo "\033[32m")
CL=$(echo "\033[m")
BFR="\\r\\033[K"
HOLD="-"
CM="${GN}${CL}"
CROSS="${RD}${CL}"
PARTY="🎉"
current_kernel=$(uname -r)
clear
header_info
while true; do
read -p "This will Clean Unused Kernel Images, USE AT YOUR OWN RISK. Proceed(y/n)?" yn
case $yn in
[Yy]*) break ;;
[Nn]*) exit ;;
*) echo -e "${RD}Please answer y/n${CL}" ;;
esac
done
clear
function msg_info() {
local msg="$1"
echo -ne " ${HOLD} ${YW}${msg}..."
}
function msg_ok() {
local msg="$1"
echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
}
function check_root() {
if [[ $EUID -ne 0 ]]; then
echo -e "${CROSS}${RD}Error: This script must be ran as the root user.\n${CL}"
exit 1
else
header_info
other_kernel
kernel_info
kernel_clean
fi
}
function other_kernel() {
if [[ "$current_kernel" == *"edge"* ]]; then
echo -e "\n${CROSS} ${RD}ERROR:${CL} Proxmox ${BL}${current_kernel}${CL} Kernel Active"
echo -e "\nAn Active PVE Kernel is required to use Kernel Clean\n"
exit 1
fi
if [[ "$current_kernel" == *"6.1"* ]]; then
echo -e "\n${CROSS} ${RD}ERROR:${CL} Proxmox ${BL}${current_kernel}${CL} Kernel Active"
echo -e "\nAs 5.15 is the current default kernel in PVE 7.3 the package management directly depends on it, it's not possible to use this script while running 6.1 kernels. (the script tries to remove ALL old kernels) \n"
exit 1
fi
}
function kernel_info() {
if [[ "$MODE" != "PBS" ]]; then
echo -e "${YW}PVE Version: ${BL}$(pveversion)\n${CL}"
fi
if [[ "$current_kernel" == *"pve"* ]]; then
echo -e "${YW}Current Kernel: ${BL}$current_kernel\n${CL}"
else
echo -e "\n${CROSS} ${RD}ERROR: No PVE Kernel Found\n${CL}"
exit 1
fi
}
function kernel_clean() {
kernels=$(dpkg --list | grep 'kernel-.*-pve' | awk '{print $2}' | sort -V)
remove_kernels=""
for kernel in $kernels; do
if [ "$(echo $kernel | grep $current_kernel)" ]; then
break
else
echo -e "${BL}'$kernel' ${CL}${YW}has been added to the remove Kernel list\n${CL}"
remove_kernels+=" $kernel"
fi
done
msg_ok "Kernel Search Completed\n"
if [[ "$remove_kernels" != *"pve"* ]]; then
echo -e "${PARTY} ${GN}It appears there are no old Kernels on your system. \n${CL}"
msg_info "Exiting"
sleep 2
msg_ok "Done"
else
read -p "Would you like to remove the $(echo $remove_kernels | awk '{print NF}') selected Kernels listed above? [y/n]: " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
msg_info "Removing ${CL}${RD}$(echo $remove_kernels | awk '{print NF}') ${CL}${YW}old Kernels${CL}"
/usr/bin/apt purge -y $remove_kernels >/dev/null 2>&1
msg_ok "Successfully Removed Kernels"
msg_info "Updating GRUB"
/usr/sbin/update-grub >/dev/null 2>&1
msg_ok "Successfully Updated GRUB"
msg_info "Exiting"
sleep 2
msg_ok "Done"
else
msg_info "Exiting"
sleep 2
msg_ok "Done"
fi
fi
}
if ! command -v pveversion >/dev/null 2>&1; then
echo -e " Switching to PBS mode"
MODE="PBS"
sleep 2
else
MODE="PVE"
fi
check_root