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Improve get latest kernel version

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Signed-off-by: Teddysun <i@teddysun.com>
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Teddysun 2018-05-12 00:50:19 +09:00
parent 945592722c
commit a5e88fa1d5
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GPG Key ID: 09BD4C080AD6C46D
1 changed files with 97 additions and 15 deletions
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122
bbr.sh
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@ -38,23 +38,109 @@ else
release=""
fi
get_latest_version() {
latest_version=$(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/ | awk -F'\"v' '/v[4-9]./{print $2}' | cut -d/ -f1 | grep -v - | sort -V | tail -1)
[ -z ${latest_version} ] && return 1
if [[ `getconf WORD_BIT` == "32" && `getconf LONG_BIT` == "64" ]]; then
deb_name=$(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/v${latest_version}/ | grep "linux-image" | grep "generic" | awk -F'\">' '/amd64.deb/{print $2}' | cut -d'<' -f1 | head -1)
deb_kernel_url="http://kernel.ubuntu.com/~kernel-ppa/mainline/v${latest_version}/${deb_name}"
deb_kernel_name="linux-image-${latest_version}-amd64.deb"
is_digit(){
local input=${1}
if [[ "$input" =~ ^[0-9]+$ ]]; then
return 0
else
deb_name=$(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/v${latest_version}/ | grep "linux-image" | grep "generic" | awk -F'\">' '/i386.deb/{print $2}' | cut -d'<' -f1 | head -1)
deb_kernel_url="http://kernel.ubuntu.com/~kernel-ppa/mainline/v${latest_version}/${deb_name}"
deb_kernel_name="linux-image-${latest_version}-i386.deb"
return 1
fi
}
get_valid_valname(){
local val=${1}
local new_val=$(eval echo $val | sed 's/[-.]/_/g')
echo ${new_val}
}
get_hint(){
local val=${1}
local new_val=$(get_valid_valname $val)
eval echo "\$hint_${new_val}"
}
#Display Memu
display_menu(){
local soft=${1}
local default=${2}
eval local arr=(\${${soft}_arr[@]})
local default_prompt
if [[ "$default" != "" ]]; then
if [[ "$default" == "last" ]]; then
default=${#arr[@]}
fi
default_prompt="(default ${arr[$default-1]})"
fi
local pick
local hint
local vname
local prompt="which ${soft} you'd select ${default_prompt}: "
while :
do
echo -e "\n------------ ${soft} setting ------------\n"
for ((i=1;i<=${#arr[@]};i++ )); do
vname="$(get_valid_valname ${arr[$i-1]})"
hint="$(get_hint $vname)"
[[ "$hint" == "" ]] && hint="${arr[$i-1]}"
echo -e "${green}${i}${plain}) $hint"
done
echo
read -p "${prompt}" pick
if [[ "$pick" == "" && "$default" != "" ]]; then
pick=${default}
break
fi
[ ! -z ${deb_name} ] && return 0 || return 1
if ! is_digit "$pick"; then
prompt="Input error, please input a number"
continue
fi
if [[ "$pick" -lt 1 || "$pick" -gt ${#arr[@]} ]]; then
prompt="Input error, please input a number between 1 and ${#arr[@]}: "
continue
fi
break
done
eval ${soft}=${arr[$pick-1]}
vname="$(get_valid_valname ${arr[$pick-1]})"
hint="$(get_hint $vname)"
[[ "$hint" == "" ]] && hint="${arr[$pick-1]}"
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- http://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
kernel_arr=()
for i in ${latest_version[@]}; do
if version_ge $i 4.14; then
kernel_arr+=($i);
fi
done
display_menu kernel last
if [[ `getconf WORD_BIT` == "32" && `getconf LONG_BIT` == "64" ]]; then
deb_name=$(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/ | grep "linux-image" | grep "generic" | awk -F'\">' '/amd64.deb/{print $2}' | cut -d'<' -f1 | head -1)
deb_kernel_url="http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/${deb_name}"
deb_kernel_name="linux-image-${kernel}-amd64.deb"
else
deb_name=$(wget -qO- http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/ | grep "linux-image" | grep "generic" | awk -F'\">' '/i386.deb/{print $2}' | cut -d'<' -f1 | head -1)
deb_kernel_url="http://kernel.ubuntu.com/~kernel-ppa/mainline/v${kernel}/${deb_name}"
deb_kernel_name="linux-image-${kernel}-i386.deb"
fi
[ -z ${deb_name} ] && echo -e "${red}Error:${plain} Getting Linux kernel binary package name failed, maybe kernel build failed. Please choose other one and try again." && exit 1
}
get_opsy() {
@ -102,7 +188,7 @@ centosversion() {
}
check_bbr_status() {
local param=$(sysctl net.ipv4.tcp_available_congestion_control | awk '{print $3}')
local param=$(sysctl net.ipv4.tcp_congestion_control | awk '{print $3}')
if [[ x"${param}" == x"bbr" ]]; then
return 0
else
@ -110,10 +196,6 @@ check_bbr_status() {
fi
}
version_ge(){
test "$(echo "$@" | tr " " "\n" | sort -rV | head -n 1)" == "$1"
}
check_kernel_version() {
local kernel_version=$(uname -r | cut -d- -f1)
if version_ge ${kernel_version} 4.9; then
@ -209,8 +291,8 @@ install_bbr() {
fi
elif [[ x"${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
[ $? -ne 0 ] && echo -e "${red}Error:${plain} Get latest kernel version failed." && exit 1
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."