Update bbr.sh

This commit is contained in:
Teddysun 2020-06-23 13:38:11 +09:00
parent 254076020d
commit 845013a25a

362
bbr.sh
View File

@ -2,43 +2,86 @@
#
# Auto install latest kernel for TCP BBR
#
# System Required: CentOS 6+, Debian7+, Ubuntu12+
# System Required: CentOS 6+, Debian8+, Ubuntu16+
#
# Copyright (C) 2016-2020 Teddysun <i@teddysun.com>
#
# URL: https://teddysun.com/489.html
#
red='\033[0;31m'
green='\033[0;32m'
yellow='\033[0;33m'
plain='\033[0m'
cur_dir="$(cd -P -- "$(dirname -- "$0")" && pwd -P)"
cur_dir=$(pwd)
_red() {
printf '\033[1;31;31m%b\033[0m' "$1"
}
[[ $EUID -ne 0 ]] && echo -e "${red}Error:${plain} This script must be run as root!" && exit 1
_green() {
printf '\033[1;31;32m%b\033[0m' "$1"
}
[[ -d "/proc/vz" ]] && echo -e "${red}Error:${plain} Your VPS is based on OpenVZ, which is not supported." && exit 1
_yellow() {
printf '\033[1;31;33m%b\033[0m' "$1"
}
if [ -f /etc/redhat-release ]; then
release="centos"
elif cat /etc/issue | grep -Eqi "debian"; then
release="debian"
elif cat /etc/issue | grep -Eqi "ubuntu"; then
release="ubuntu"
elif cat /etc/issue | grep -Eqi "centos|red hat|redhat"; then
release="centos"
elif cat /proc/version | grep -Eqi "debian"; then
release="debian"
elif cat /proc/version | grep -Eqi "ubuntu"; then
release="ubuntu"
elif cat /proc/version | grep -Eqi "centos|red hat|redhat"; then
release="centos"
else
release=""
fi
_info() {
_green "[Info] "
printf -- "%s" "$1"
printf "\n"
}
is_digit(){
_warn() {
_yellow "[Warning] "
printf -- "%s" "$1"
printf "\n"
}
_error() {
_red "[Error] "
printf -- "%s" "$1"
printf "\n"
exit 1
}
_exists() {
local cmd="$1"
if eval type type > /dev/null 2>&1; then
eval type "$cmd" > /dev/null 2>&1
elif command > /dev/null 2>&1; then
command -v "$cmd" > /dev/null 2>&1
else
which "$cmd" > /dev/null 2>&1
fi
local rt=$?
return ${rt}
}
_os() {
local os=""
[ -f "/etc/debian_version" ] && source /etc/os-release && os="${ID}" && printf -- "%s" "${os}" && return
[ -f "/etc/redhat-release" ] && os="centos" && printf -- "%s" "${os}" && return
}
_os_full() {
[ -f /etc/redhat-release ] && awk '{print ($1,$3~/^[0-9]/?$3:$4)}' /etc/redhat-release && return
[ -f /etc/os-release ] && awk -F'[= "]' '/PRETTY_NAME/{print $3,$4,$5}' /etc/os-release && return
[ -f /etc/lsb-release ] && awk -F'[="]+' '/DESCRIPTION/{print $2}' /etc/lsb-release && return
}
_os_ver() {
local main_ver="$( echo $(_os_full) | grep -oE "[0-9.]+")"
printf -- "%s" "${main_ver%%.*}"
}
_error_detect() {
local cmd="$1"
_info "${cmd}"
eval ${cmd}
if [ $? -ne 0 ]; then
_error "Execution command (${cmd}) failed, please check it and try again."
fi
}
_is_digit(){
local input=${1}
if [[ "$input" =~ ^[0-9]+$ ]]; then
return 0
@ -47,7 +90,7 @@ is_digit(){
fi
}
is_64bit(){
_is_64bit(){
if [ $(getconf WORD_BIT) = '32' ] && [ $(getconf LONG_BIT) = '64' ]; then
return 0
else
@ -55,6 +98,10 @@ is_64bit(){
fi
}
_version_ge(){
test "$(echo "$@" | tr " " "\n" | sort -rV | head -n 1)" == "$1"
}
get_valid_valname(){
local val=${1}
local new_val=$(eval echo $val | sed 's/[-.]/_/g')
@ -100,7 +147,7 @@ display_menu(){
break
fi
if ! is_digit "$pick"; then
if ! _is_digit "$pick"; then
prompt="Input error, please input a number"
continue
fi
@ -120,25 +167,17 @@ display_menu(){
echo -e "\nyour selection: $hint\n"
}
version_ge(){
test "$(echo "$@" | tr " " "\n" | sort -rV | head -n 1)" == "$1"
}
get_latest_version() {
latest_version=($(wget -qO- https://kernel.ubuntu.com/~kernel-ppa/mainline/ | awk -F'\"v' '/v[4-9]./{print $2}' | cut -d/ -f1 | grep -v - | sort -V))
[ ${#latest_version[@]} -eq 0 ] && echo -e "${red}Error:${plain} Get latest kernel version failed." && exit 1
[ ${#latest_version[@]} -eq 0 ] && _error "Get latest kernel version failed."
kernel_arr=()
for i in ${latest_version[@]}; do
if version_ge $i 5.6; then
if _version_ge $i 5.6; then
kernel_arr+=($i);
fi
done
display_menu kernel last
if is_64bit; then
if _is_64bit; then
deb_name=$(wget -qO- https://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/ | grep "linux-image" | grep "generic" | awk -F'\">' '/amd64.deb/{print $2}' | cut -d'<' -f1 | head -1)
deb_kernel_url="https://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/${deb_name}"
deb_kernel_name="linux-image-${kernel}-amd64.deb"
@ -153,21 +192,9 @@ get_latest_version() {
deb_kernel_modules_url="https://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/${modules_deb_name}"
deb_kernel_modules_name="linux-modules-${kernel}-i386.deb"
fi
[ -z "${deb_name}" ] && echo -e "${red}Error:${plain} Getting Linux kernel binary package name failed, maybe kernel build failed. Please choose other one and try again." && exit 1
[ -z "${deb_name}" ] && _error "Getting Linux kernel binary package name failed, maybe kernel build failed. Please choose other one and try again."
}
get_opsy() {
[ -f /etc/redhat-release ] && awk '{print ($1,$3~/^[0-9]/?$3:$4)}' /etc/redhat-release && return
[ -f /etc/os-release ] && awk -F'[= "]' '/PRETTY_NAME/{print $3,$4,$5}' /etc/os-release && return
[ -f /etc/lsb-release ] && awk -F'[="]+' '/DESCRIPTION/{print $2}' /etc/lsb-release && return
}
opsy=$( get_opsy )
arch=$( uname -m )
lbit=$( getconf LONG_BIT )
kern=$( uname -r )
get_char() {
SAVEDSTTY=`stty -g`
stty -echo
@ -178,29 +205,6 @@ get_char() {
stty $SAVEDSTTY
}
getversion() {
if [[ -s /etc/redhat-release ]]; then
grep -oE "[0-9.]+" /etc/redhat-release
else
grep -oE "[0-9.]+" /etc/issue
fi
}
centosversion() {
if [ x"${release}" == x"centos" ]; then
local code=$1
local version="$(getversion)"
local main_ver=${version%%.*}
if [ "$main_ver" == "$code" ]; then
return 0
else
return 1
fi
else
return 1
fi
}
check_bbr_status() {
local param=$(sysctl net.ipv4.tcp_congestion_control | awk '{print $3}')
if [[ x"${param}" == x"bbr" ]]; then
@ -212,34 +216,41 @@ check_bbr_status() {
check_kernel_version() {
local kernel_version=$(uname -r | cut -d- -f1)
if version_ge ${kernel_version} 4.9; then
if _version_ge ${kernel_version} 4.9; then
return 0
else
return 1
fi
}
install_elrepo() {
if centosversion 5; then
echo -e "${red}Error:${plain} not supported CentOS 5."
exit 1
# Check OS version
check_os() {
if _exists "virt-what"; then
virt="$(virt-what)"
elif _exists "systemd-detect-virt"; then
virt="$(systemd-detect-virt)"
fi
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
if centosversion 6; then
rpm -Uvh https://www.elrepo.org/elrepo-release-6-10.el6.elrepo.noarch.rpm
elif centosversion 7; then
rpm -Uvh https://www.elrepo.org/elrepo-release-7.0-5.el7.elrepo.noarch.rpm
elif centosversion 8; then
rpm -Uvh https://www.elrepo.org/elrepo-release-8.2-1.el8.elrepo.noarch.rpm
if [ -n "${virt}" -a "${virt}" = "lxc" ]; then
_error "Virtualization method is LXC, which is not supported."
fi
if [ ! -f /etc/yum.repos.d/elrepo.repo ]; then
echo -e "${red}Error:${plain} Install elrepo failed, please check it."
exit 1
if [ -n "${virt}" -a "${virt}" = "openvz" ] || [ -d "/proc/vz" ]; then
_error "Virtualization method is OpenVZ, which is not supported."
fi
[ -z "$(_os)" ] && _error "Not supported OS"
case "$(_os)" in
ubuntu)
[ -n "$(_os_ver)" -a "$(_os_ver)" -lt 16 ] && _error "Not supported OS, please change to Ubuntu 16+ and try again."
;;
debian)
[ -n "$(_os_ver)" -a "$(_os_ver)" -lt 8 ] && _error "Not supported OS, please change to Debian 8+ and try again."
;;
centos)
[ -n "$(_os_ver)" -a "$(_os_ver)" -lt 6 ] && _error "Not supported OS, please change to CentOS 6+ and try again."
;;
*)
_error "Not supported OS"
;;
esac
}
sysctl_config() {
@ -250,111 +261,70 @@ sysctl_config() {
sysctl -p >/dev/null 2>&1
}
install_config() {
if [[ x"${release}" == x"centos" ]]; then
if centosversion 6; then
if [ ! -f "/boot/grub/grub.conf" ]; then
echo -e "${red}Error:${plain} /boot/grub/grub.conf not found, please check it."
exit 1
fi
sed -i 's/^default=.*/default=0/g' /boot/grub/grub.conf
elif centosversion 7; then
if [ ! -f "/boot/grub2/grub.cfg" ]; then
echo -e "${red}Error:${plain} /boot/grub2/grub.cfg not found, please check it."
exit 1
fi
grub2-set-default 0
fi
elif [[ x"${release}" == x"debian" || x"${release}" == x"ubuntu" ]]; then
/usr/sbin/update-grub
fi
}
install_kernel() {
if [[ x"${release}" == x"centos" ]]; then
install_elrepo
[ ! "$(command -v yum-config-manager)" ] && yum install -y yum-utils > /dev/null 2>&1
[ x"$(yum-config-manager elrepo-kernel | grep -w enabled | awk '{print $3}')" != x"True" ] && yum-config-manager --enable elrepo-kernel > /dev/null 2>&1
if centosversion 6; then
if is_64bit; then
rpm_kernel_name="kernel-ml-4.18.20-1.el6.elrepo.x86_64.rpm"
rpm_kernel_devel_name="kernel-ml-devel-4.18.20-1.el6.elrepo.x86_64.rpm"
rpm_kernel_url_1="http://repos.lax.quadranet.com/elrepo/archive/kernel/el6/x86_64/RPMS/"
else
rpm_kernel_name="kernel-ml-4.18.20-1.el6.elrepo.i686.rpm"
rpm_kernel_devel_name="kernel-ml-devel-4.18.20-1.el6.elrepo.i686.rpm"
rpm_kernel_url_1="http://repos.lax.quadranet.com/elrepo/archive/kernel/el6/i386/RPMS/"
case "$(_os)" in
centos)
if [ -n "$(_os_ver)" ]; then
_error_detect "rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org"
[ "$(_os_ver)" -eq 6 ] && _error_detect "rpm -Uvh https://www.elrepo.org/elrepo-release-6-10.el6.elrepo.noarch.rpm"
[ "$(_os_ver)" -eq 7 ] && _error_detect "rpm -Uvh https://www.elrepo.org/elrepo-release-7.0-5.el7.elrepo.noarch.rpm"
[ "$(_os_ver)" -eq 8 ] && _error_detect "rpm -Uvh https://www.elrepo.org/elrepo-release-8.2-1.el8.elrepo.noarch.rpm"
[ ! -f "/etc/yum.repos.d/elrepo.repo" ] && _error "Install elrepo failed, please check it and retry."
if ! _exists "yum-config-manager"; then
_error_detect "yum install -y yum-utils"
fi
[ x"$(yum-config-manager elrepo-kernel | grep -w enabled | awk '{print $3}')" != x"True" ] && _error_detect "yum-config-manager --enable elrepo-kernel"
if [ "$(_os_ver)" -eq 6 ]; then
rpm_kernel_url="https://dl.lamp.sh/files/"
if _is_64bit; then
rpm_kernel_name="kernel-ml-4.18.20-1.el6.elrepo.x86_64.rpm"
rpm_kernel_devel_name="kernel-ml-devel-4.18.20-1.el6.elrepo.x86_64.rpm"
else
rpm_kernel_name="kernel-ml-4.18.20-1.el6.elrepo.i686.rpm"
rpm_kernel_devel_name="kernel-ml-devel-4.18.20-1.el6.elrepo.i686.rpm"
fi
_error_detect "wget -c -t3 -T60 -O ${rpm_kernel_name} ${rpm_kernel_url}${rpm_kernel_name}"
_error_detect "wget -c -t3 -T60 -O ${rpm_kernel_devel_name} ${rpm_kernel_url}${rpm_kernel_devel_name}"
[ -f "${rpm_kernel_name}" ] && _error_detect "rpm -ivh ${rpm_kernel_name}" || _error "Download ${rpm_kernel_name} failed, please check it."
[ -f "${rpm_kernel_devel_name}" ] && _error_detect "rpm -ivh ${rpm_kernel_devel_name}" || _error "Download ${rpm_kernel_devel_name} failed, please check it."
rm -f ${rpm_kernel_name} ${rpm_kernel_devel_name}
[ ! -f "/boot/grub/grub.conf" ] && _error "/boot/grub/grub.conf not found, please check it."
sed -i 's/^default=.*/default=0/g' /boot/grub/grub.conf
elif [ "$(_os_ver)" -eq 7 ]; then
_error_detect "yum -y install kernel-ml kernel-ml-devel"
[ ! -f "/boot/grub2/grub.cfg" ] && _error "/boot/grub2/grub.cfg not found, please check it."
grub2-set-default 0
elif [ "$(_os_ver)" -eq 8 ]; then
_error_detect "yum -y install kernel-ml kernel-ml-core kernel-ml-devel"
[ ! -f "/boot/grub2/grub.cfg" ] && _error "/boot/grub2/grub.cfg not found, please check it."
grub2-set-default 0
fi
fi
rpm_kernel_url_2="https://dl.lamp.sh/files/"
wget -c -t3 -T60 -O ${rpm_kernel_name} ${rpm_kernel_url_1}${rpm_kernel_name}
if [ $? -ne 0 ]; then
rm -rf ${rpm_kernel_name}
wget -c -t3 -T60 -O ${rpm_kernel_name} ${rpm_kernel_url_2}${rpm_kernel_name}
;;
ubuntu|debian)
_info "Getting latest kernel version..."
get_latest_version
if [ -n "${modules_deb_name}" ]; then
_error_detect "wget -c -t3 -T60 -O ${deb_kernel_modules_name} ${deb_kernel_modules_url}"
fi
wget -c -t3 -T60 -O ${rpm_kernel_devel_name} ${rpm_kernel_url_1}${rpm_kernel_devel_name}
if [ $? -ne 0 ]; then
rm -rf ${rpm_kernel_devel_name}
wget -c -t3 -T60 -O ${rpm_kernel_devel_name} ${rpm_kernel_url_2}${rpm_kernel_devel_name}
fi
if [ -f "${rpm_kernel_name}" ]; then
rpm -ivh ${rpm_kernel_name}
else
echo -e "${red}Error:${plain} Download ${rpm_kernel_name} failed, please check it."
exit 1
fi
if [ -f "${rpm_kernel_devel_name}" ]; then
rpm -ivh ${rpm_kernel_devel_name}
else
echo -e "${red}Error:${plain} Download ${rpm_kernel_devel_name} failed, please check it."
exit 1
fi
rm -f ${rpm_kernel_name} ${rpm_kernel_devel_name}
elif centosversion 7; then
yum -y install kernel-ml kernel-ml-devel
if [ $? -ne 0 ]; then
echo -e "${red}Error:${plain} Install latest kernel failed, please check it."
exit 1
fi
elif centosversion 8; then
yum -y install kernel-ml kernel-ml-core kernel-ml-devel
if [ $? -ne 0 ]; then
echo -e "${red}Error:${plain} Install latest kernel failed, please check it."
exit 1
fi
fi
elif [[ x"${release}" == x"debian" || x"${release}" == x"ubuntu" ]]; then
[[ ! -e "/usr/bin/wget" ]] && apt-get -y update && apt-get -y install wget
echo -e "${green}Info:${plain} Getting latest kernel version..."
get_latest_version
if [ -n ${modules_deb_name} ]; then
wget -c -t3 -T60 -O ${deb_kernel_modules_name} ${deb_kernel_modules_url}
if [ $? -ne 0 ]; then
echo -e "${red}Error:${plain} Download ${deb_kernel_modules_name} failed, please check it."
exit 1
fi
fi
wget -c -t3 -T60 -O ${deb_kernel_name} ${deb_kernel_url}
if [ $? -ne 0 ]; then
echo -e "${red}Error:${plain} Download ${deb_kernel_name} failed, please check it."
exit 1
fi
[ -f ${deb_kernel_modules_name} ] && dpkg -i ${deb_kernel_modules_name}
dpkg -i ${deb_kernel_name}
rm -f ${deb_kernel_name} ${deb_kernel_modules_name}
else
echo -e "${red}Error:${plain} OS is not be supported, please change to CentOS/Debian/Ubuntu and try again."
exit 1
fi
_error_detect "wget -c -t3 -T60 -O ${deb_kernel_name} ${deb_kernel_url}"
_error_detect "dpkg -i ${deb_kernel_modules_name} ${deb_kernel_name}"
rm -f ${deb_kernel_modules_name} ${deb_kernel_name}
_error_detect "/usr/sbin/update-grub"
;;
*)
;; # do nothing
esac
}
reboot_os() {
echo
echo -e "${green}Info:${plain} The system needs to reboot."
_info "The system needs to reboot."
read -p "Do you want to restart system? [y/n]" is_reboot
if [[ ${is_reboot} == "y" || ${is_reboot} == "Y" ]]; then
reboot
else
echo -e "${green}Info:${plain} Reboot has been canceled..."
_info "Reboot has been canceled..."
exit 0
fi
}
@ -362,23 +332,27 @@ reboot_os() {
install_bbr() {
if check_bbr_status; then
echo
echo -e "${green}Info:${plain} TCP BBR has already been installed. nothing to do..."
_info "TCP BBR has already been enabled. nothing to do..."
exit 0
fi
if check_kernel_version; then
echo
echo -e "${green}Info:${plain} Your kernel version is greater than 4.9, directly setting TCP BBR..."
_info "The kernel version is greater than 4.9, directly setting TCP BBR..."
sysctl_config
echo -e "${green}Info:${plain} Setting TCP BBR completed..."
_info "Setting TCP BBR completed..."
exit 0
fi
check_os
install_kernel
install_config
sysctl_config
reboot_os
}
[[ $EUID -ne 0 ]] && _error "This script must be run as root"
opsy=$( _os_full )
arch=$( uname -m )
lbit=$( getconf LONG_BIT )
kern=$( uname -r )
clear
echo "---------- System Information ----------"
@ -392,6 +366,6 @@ echo " URL: https://teddysun.com/489.html"
echo "----------------------------------------"
echo
echo "Press any key to start...or Press Ctrl+C to cancel"
char=`get_char`
char=$(get_char)
install_bbr 2>&1 | tee ${cur_dir}/install_bbr.log