pve/scripts/check_kernal.sh
2023-09-01 02:16:41 +00:00

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#!/bin/bash
# from
# https://github.com/spiritLHLS/pve
# 2023.09.01
# 用颜色输出信息
_red() { echo -e "\033[31m\033[01m$@\033[0m"; }
_green() { echo -e "\033[32m\033[01m$@\033[0m"; }
_yellow() { echo -e "\033[33m\033[01m$@\033[0m"; }
_blue() { echo -e "\033[36m\033[01m$@\033[0m"; }
reading() { read -rp "$(_green "$1")" "$2"; }
utf8_locale=$(locale -a 2>/dev/null | grep -i -m 1 -E "UTF-8|utf8")
if [[ -z "$utf8_locale" ]]; then
echo "No UTF-8 locale found"
else
export LC_ALL="$utf8_locale"
export LANG="$utf8_locale"
export LANGUAGE="$utf8_locale"
echo "Locale set to $utf8_locale"
fi
if [ ! -d /usr/local/bin ]; then
mkdir -p /usr/local/bin
fi
command -v apt-get &>/dev/null
apt_get_status=$?
command -v apt &>/dev/null
apt_status=$?
if [ $apt_get_status -ne 0 ] || [ $apt_status -ne 0 ]; then
_yellow "The host environment does not have the apt package manager command, please check the system"
_yellow "宿主机的环境无apt包管理器命令请检查系统"
fi
apt-get install lsb-release -y
check_config() {
_green "The machine configuration should meet the minimum requirements of at least 2 cores 2G RAM 20G hard drive"
_green "本机配置应当满足至少2核2G内存20G硬盘的最低要求"
# 检查硬盘大小
total_disk=$(df -h / | awk '/\//{print $2}')
total_disk_num=$(echo $total_disk | sed -E 's/([0-9.]+)([GT])/\1 \2/')
total_disk_num=$(awk '{printf "%.0f", $1 * ($2 == "T" ? 1024 : 1)}' <<<"$total_disk_num")
if [ "$total_disk_num" -lt 20 ]; then
_red "The machine configuration does not meet the minimum requirements: at least 20G hard drive"
_red "This machine's hard drive configuration does not allow for the installation of PVE"
_red "本机配置不满足最低要求至少20G硬盘"
_red "本机硬盘配置无法安装PVE"
fi
# 检查CPU核心数
cpu_cores=$(grep -c ^processor /proc/cpuinfo)
if [ "$cpu_cores" -lt 2 ]; then
_red "The local machine configuration does not meet the minimum requirements: at least 2 core CPU"
_red "The number of CPUs on this machine is configured in such a way that PVE cannot be installed"
_red "本机配置不满足最低要求至少2核CPU"
_red "本机CPU数量配置无法安装PVE"
fi
# 检查内存大小
total_mem=$(free -m | awk '/^Mem:/{print $2}')
swap_info=$(free -m | awk '/^Swap:/{print $2}')
if [ "$swap_info" -ne 0 ]; then
total_mem=$((total_mem + swap_info))
fi
if [ "$total_mem" -lt 2048 ]; then
_red "The machine configuration does not meet the minimum requirements: at least 2G RAM"
_red "The local memory configuration cannot install PVE"
_red "本机配置不满足最低要求至少2G内存"
_red "本机内存配置无法安装PVE"
fi
}
is_private_ipv6() {
local address=$1
# 输入不含:符号
if [[ $ip_address != *":"* ]]; then
return 0
fi
# 输入为空
if [[ -z $ip_address ]]; then
return 0
fi
# 检查IPv6地址是否以fe80开头链接本地地址
if [[ $address == fe80:* ]]; then
return 0
fi
# 检查IPv6地址是否以fc00或fd00开头唯一本地地址
if [[ $address == fc00:* || $address == fd00:* ]]; then
return 0
fi
# 检查IPv6地址是否以2001:db8开头文档前缀
if [[ $address == 2001:db8* ]]; then
return 0
fi
# 检查IPv6地址是否以::1开头环回地址
if [[ $address == ::1 ]]; then
return 0
fi
# 检查IPv6地址是否以::ffff:开头IPv4映射地址
if [[ $address == ::ffff:* ]]; then
return 0
fi
# 检查IPv6地址是否以2002:开头6to4隧道地址
if [[ $address == 2002:* ]]; then
return 0
fi
# 检查IPv6地址是否以2001:开头Teredo隧道地址
if [[ $address == 2001:* ]]; then
return 0
fi
# 其他情况为公网地址
return 1
}
check_ipv6() {
IPV6=$(ip -6 addr show | grep global | awk '{print $2}' | cut -d '/' -f1 | head -n 1)
local response
if is_private_ipv6 "$IPV6"; then # 由于是内网IPV4地址需要通过API获取外网地址
IPV6=""
local API_NET=("ipv6.ip.sb" "https://ipget.net" "ipv6.ping0.cc" "https://api.my-ip.io/ip" "https://ipv6.icanhazip.com")
for p in "${API_NET[@]}"; do
response=$(curl -sLk6m8 "$p" | tr -d '[:space:]')
if [ $? -eq 0 ] && ! echo "$response" | grep -q "error"; then
IPV6="$response"
break
fi
sleep 1
done
fi
echo $IPV6 >/usr/local/bin/pve_check_ipv6
}
# 检测系统是否支持
version=$(lsb_release -cs)
case $version in
stretch | buster | bullseye | bookworm)
_green "The recognized system is $version"
_green "识别到的系统为 $version"
;;
*)
_yellow "Error: Recognized as an unsupported version of Debian, but you can force an installation attempt or use the custom partitioning method to install the PVE"
_yellow "Error: 识别为不支持的Debian版本但你可以强行安装尝试或使用自定义分区的方法安装PVE"
;;
esac
# 检测IPV6网络配置
if ! command -v lshw >/dev/null 2>&1; then
apt-get install lshw -y
fi
if ! command -v ifconfig >/dev/null 2>&1; then
apt-get install net-tools -y
fi
if command -v lshw >/dev/null 2>&1; then
# 检测物理接口
interface_1=$(lshw -C network | awk '/logical name:/{print $3}' | sed -n '1p')
interface_2=$(lshw -C network | awk '/logical name:/{print $3}' | sed -n '2p')
# 检测IPV6相关的信息
if [ ! -f /usr/local/bin/pve_check_ipv6 ]; then
check_ipv6
fi
if [ ! -f /usr/local/bin/pve_ipv6_prefixlen ]; then
ipv6_prefixlen=$(ifconfig ${interface_1} | grep -oP 'prefixlen \K\d+' | head -n 1)
if [ -z "$ipv6_prefixlen" ]; then
ipv6_prefixlen=$(ifconfig ${interface_2} | grep -oP 'prefixlen \K\d+' | head -n 1)
fi
if [ -z "$ipv6_prefixlen" ]; then
ipv6_prefixlen=$(ifconfig eth0 | grep -oP 'prefixlen \K\d+' | head -n 1)
fi
if [ -z "$ipv6_prefixlen" ]; then
ipv6_prefixlen=$(ifconfig vmbr0 | grep -oP 'prefixlen \K\d+' | head -n 1)
fi
if [ -z "$ipv6_prefixlen" ]; then
ipv6_prefixlen=$(ifconfig vmbr1 | grep -oP 'prefixlen \K\d+' | head -n 1)
fi
echo "$ipv6_prefixlen" >/usr/local/bin/pve_ipv6_prefixlen
fi
if [ ! -f /usr/local/bin/pve_ipv6_gateway ]; then
ipv6_gateway=$(ip -6 route show | awk '/default via/{print $3}' | head -n1)
if [[ "${ipv6_gateway: -2}" == "::" ]]; then
ipv6_gateway="${ipv6_gateway}0000"
fi
echo "$ipv6_gateway" >/usr/local/bin/pve_ipv6_gateway
fi
ipv6_address=$(cat /usr/local/bin/pve_check_ipv6)
ipv6_prefixlen=$(cat /usr/local/bin/pve_ipv6_prefixlen)
ipv6_gateway=$(cat /usr/local/bin/pve_ipv6_gateway)
if [ -z "$ipv6_address" ] || [ -z "$ipv6_prefixlen" ] || [ -z "$ipv6_gateway" ]; then
:
else
if ping -c 1 -6 -W 3 $ipv6_address >/dev/null 2>&1; then
echo "IPv6 address is reachable."
else
echo "IPv6 address is not reachable. Setting to empty."
echo "" >/usr/local/bin/pve_check_ipv6
fi
if ping -c 1 -6 -W 3 $ipv6_gateway >/dev/null 2>&1; then
echo "IPv6 gateway is reachable."
else
echo "IPv6 gateway is not reachable. Setting to empty."
echo "" >/usr/local/bin/pve_ipv6_gateway
fi
ipv6_address=$(cat /usr/local/bin/pve_check_ipv6)
ipv6_gateway=$(cat /usr/local/bin/pve_ipv6_gateway)
_green "The following IPV6 information is detected for this machine:"
_green "检测到本机的IPV6信息如下"
_green "ipv6_address: ${ipv6_address}"
_green "ipv6_prefixlen: ${ipv6_prefixlen}"
_green "ipv6_gateway: ${ipv6_gateway}"
fi
fi
# 检测硬件配置
check_config
# 检查CPU是否支持硬件虚拟化
if [ "$(egrep -c '(vmx|svm)' /proc/cpuinfo)" -eq 0 ]; then
_yellow "CPU does not support hardware virtualization, cannot nest virtualized KVM servers, but can open LXC servers (CT)"
_yellow "CPU不支持硬件虚拟化无法嵌套虚拟化KVM服务器但可以开LXC服务器(CT)"
exit 1
else
_green "The local CPU supports KVM hardware nested virtualization"
_green "本机CPU支持KVM硬件嵌套虚拟化"
fi
# 检查虚拟化选项是否启用
if [ "$(grep -E -c '(vmx|svm)' /proc/cpuinfo)" -eq 0 ]; then
_yellow "Hardware virtualization is not enabled in BIOS, cannot nest virtualized KVM servers, but can open LXC servers (CT)"
_yellow "BIOS中未启用硬件虚拟化无法嵌套虚拟化KVM服务器但可以开LXC服务器(CT)"
exit 1
else
_green "This machine BIOS is enabled to support KVM hardware nested virtualization"
_green "本机BIOS已启用支持KVM硬件嵌套虚拟化"
fi
# 查询系统是否支持
if [ -e "/sys/module/kvm_intel/parameters/nested" ] && [ "$(cat /sys/module/kvm_intel/parameters/nested | tr '[:upper:]' '[:lower:]')" = "y" ]; then
CPU_TYPE="intel"
elif [ -e "/sys/module/kvm_amd/parameters/nested" ] && [ "$(cat /sys/module/kvm_amd/parameters/nested | tr '[:upper:]' '[:lower:]')" = "1" ]; then
CPU_TYPE="amd"
else
_yellow "The local system configuration file identifies that KVM hardware nested virtualization is not supported, the KVM server virtualized using PVE may not be able to turn on KVM hardware virtualization in the options, if you have problems using NOVNC remember to turn it off in the open out KVM server options, subject to whether you can actually use it"
_yellow "本机系统配置文件识别到不支持KVM硬件嵌套虚拟化使用PVE虚拟化出来的KVM服务器可能不能在选项中开启KVM硬件虚拟化如果使用NOVNC有问题记得在开出来的KVM服务器选项中关闭以实际能否使用为准"
exit 1
fi
if ! lsmod | grep -q kvm; then
if [ "$CPU_TYPE" = "intel" ]; then
_yellow "KVM module not loaded, can't use PVE virtualized KVM server, but can open LXC server (CT)"
_yellow "KVM模块未加载不能使用PVE虚拟化KVM服务器但可以开LXC服务器(CT)"
elif [ "$CPU_TYPE" = "amd" ]; then
_yellow "KVM module not loaded, can't use PVE virtualized KVM server, but can open LXC server (CT)"
_yellow "KVM模块未加载不能使用PVE虚拟化KVM服务器但可以开LXC服务器(CT)"
fi
else
_green "This machine meets the requirements: it can use PVE to virtualize the KVM server and can turn on KVM hardware virtualization in the KVM server option that is opened"
_green "本机符合要求可以使用PVE虚拟化KVM服务器并可以在开出来的KVM服务器选项中开启KVM硬件虚拟化"
fi
# 如果KVM模块未加载则加载KVM模块并将其添加到/etc/modules文件中
if ! lsmod | grep -q kvm; then
_yellow "Trying to load KVM module ......"
_yellow "尝试加载KVM模块……"
modprobe kvm
echo "kvm" >>/etc/modules
_green "KVM module has tried to load and add to /etc/modules, you can try to use PVE virtualized KVM server, you can also open LXC server (CT)"
_green "KVM模块已尝试加载并添加到 /etc/modules可以尝试使用PVE虚拟化KVM服务器也可以开LXC服务器(CT)"
fi