OversellKVM 母鸡管理后台

#!/bin/bash # ================================================================= # OversellKVM - 母鸡端全能管理脚本 # 包含：KVM环境 + 超售优化 + API接口 + Web管理后台 # ================================================================= # --- 基础配置 (请根据实际修改) --- API_TOKEN="admin888" # 财务对接及后台访问令牌 API_PORT=8888 # 服务监听端口 BASE_DIR="/var/lib/libvirt/images" ETH_NAME=$(ip route get 8.8.8.8 | awk '{print $5}') # --- 1. 环境初始化 --- install_env() { echo "正在安装基础环境..." yum install -y epel-release yum install -y qemu-kvm libvirt virt-install bridge-utils socat qemu-img jq wget systemctl enable libvirtd && systemctl start libvirtd # 开启内存超售核心 KSM echo 1 > /sys/kernel/mm/ksm/run echo 100 > /sys/kernel/mm/ksm/sleep_millisecs # 准备基础镜像 (CentOS 7) if [ ! -f "$BASE_DIR/base_centos7.qcow2" ]; then echo "正在下载基础镜像 (此过程较慢)..." wget -O $BASE_DIR/base_centos7.qcow2 http://download.bt.cn/kvm/centos7.qcow2 fi echo "环境安装完成。" } # --- 2. 网桥配置 (简易版) --- setup_network() { echo "正在配置网桥 br0..." # 注意：此操作在远程环境中可能导致断网，请确保有IPMI IP=$(ip addr show $ETH_NAME | grep "inet " | awk '{print $2}') GW=$(ip route | grep default | awk '{print $3}') nmcli con add type bridge con-name br0 ifname br0 nmcli con modify br0 ipv4.addresses $IP ipv4.gateway $GW ipv4.method manual nmcli con add type bridge-slave con-name $ETH_NAME ifname $ETH_NAME master br0 echo "网桥配置已写入，建议重启服务器生效。" } # --- 3. 后端处理逻辑 (由 socat 调用) --- handle_request() { read request # 提取参数 token=$(echo $request | grep -oP 'token=\K[^& ]*') action=$(echo $request | grep -oP 'action=\K[^& ]*') name=$(echo $request | grep -oP 'name=\K[^& ]*') # 安全验证 if [ "$token" != "$API_TOKEN" ]; then echo -e "HTTP/1.1 403 Forbidden\r\n\r\nAccess Denied" exit fi # 路由判断 if [[ "$request" == *"GET / "* ]]; then # 渲染管理后台 HTML render_admin_html else # 处理 API 指令 process_api "$action" "$name" "$request" fi } # --- 4. Web管理后台 HTML --- render_admin_html() { load=$(uptime | awk -F'load average:' '{print $2}') ksm_saved=$(echo "scale=2; $(cat /sys/kernel/mm/ksm/pages_sharing) * 4 / 1024" | bc) vm_list=$(virsh list --all | grep "vps_") cat << EOF HTTP/1.1 200 OK Content-Type: text/html; charset=utf-8 OversellKVM 母鸡管理后台

母鸡运行状态超售中

负载: $load

KSM 节省: ${ksm_saved} MB

小鸡总数: $(echo "$vm_list" | grep -c "vps_")

$(echo "$vm_list" | while read l; do n=$(echo $l | awk '{print $2}'); s=$(echo $l | awk '{print $3}') echo "" done)

名称	状态	操作
$n	$s

EOF } # --- 5. API 核心逻辑 --- process_api() { local act=$1 name=$2 req=$3 case $act in create) cpu=$(echo $req | grep -oP 'cpu=\K[^& ]*') mem=$(echo $req | grep -oP 'mem=\K[^& ]*') disk=$(echo $req | grep -oP 'disk=\K[^& ]*') qemu-img create -f qcow2 -b $BASE_DIR/base_centos7.qcow2 $BASE_DIR/${name}.qcow2 ${disk}G virt-install --name ${name} --vcpus ${cpu} --memory ${mem} --disk $BASE_DIR/${name}.qcow2 --network bridge=br0 --import --noautoconsole --os-variant centos7.0 echo -e "HTTP/1.1 200 OK\r\n\r\nsuccess" ;; delete) virsh destroy $name; virsh undefine $name; rm -f $BASE_DIR/${name}.qcow2 echo -e "HTTP/1.1 200 OK\r\n\r\nsuccess" ;; status) echo -e "HTTP/1.1 200 OK\r\n\r\n$(virsh domstate $name)" ;; *) virsh $act $name echo -e "HTTP/1.1 200 OK\r\n\r\nsuccess" ;; esac } # --- 6. 服务启动逻辑 --- if [ "$1" == "server" ]; then handle_request else install_env echo "正在启动 API 服务..." nohup socat TCP-LISTEN:$API_PORT,reuseaddr,fork SYSTEM:"bash $0 server" > /dev/null 2>&1 & echo "服务已在 $API_PORT 端口运行。Token: $API_TOKEN" fi

母鸡运行状态 超售中

母鸡运行状态超售中