feat: 添加 OpenStack 3-5 控制节点自动化评分与自测脚本
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#!/bin/bash
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# 3-5 控制节点评分：CentOS 7.9 / OpenStack Rocky，Bash 4+，满分 100。
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# 用法：在 controller 上执行 bash 3-5-controller.sh
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# 可选：CHECK_CONTROLLER_IP、CHECK_COMPUTE_IP（默认读取 hosts）
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# CHECK_ADMIN_PASSWORD（默认 admin）、CHECK_NOVA_PASSWORD（默认 nova）
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# 只读检查；不运行环境重置、discover_hosts、数据库同步或任何服务修改。
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# 使用实验管理员凭证直接查询，不 source 学生编写的 admin-openstack.sh。
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# 检查当前结果，无法证明学生执行过重置/加载环境变量/发现主机的命令。
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# 退出码：0=100分，1=有扣分，2=权限/基础工具/参数错误，未完成评分。
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# 分值：网络20、认证10、compute注册10、compute可用10、其他计算服务15、
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# Cell映射15、服务目录10、nova-status10。
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export LANG=en_US.UTF-8
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export LC_ALL=en_US.UTF-8
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set -o pipefail
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SCORE=0
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TOTAL=0
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PASS_CNT=0
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FAIL_CNT=0
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TASK_CNT=0
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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BLUE='\033[0;34m'
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YELLOW='\033[0;33m'
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NC='\033[0m'
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separator() {
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printf '%b====================================================%b\n' "$YELLOW" "$NC"
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}
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banner() {
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separator
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printf '%b %s%b\n' "$YELLOW" "$1" "$NC"
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separator
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}
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section() {
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TASK_CNT=$((TASK_CNT+1))
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printf '%b[➜] %d. 检查任务：%s%b\n' "$BLUE" "$TASK_CNT" "$1" "$NC"
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}
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error() {
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printf '%b[✘ 失败] %s%b\n' "$RED" "$1" "$NC"
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}
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# 每个评分项分值固定；查询失败/依赖缺失也计入满分，不跳项缩小分母。
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# 通过和失败各自使用明确的提示，逐项实时显示。
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check() {
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local points=$1 success_message=$2 failure_message=$3
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shift 3
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TOTAL=$((TOTAL+points))
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if "$@" >/dev/null 2>&1; then
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SCORE=$((SCORE+points)); PASS_CNT=$((PASS_CNT+1))
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printf '%b[✔ 通过] %s（得 %d 分）%b\n' "$GREEN" "$success_message" "$points" "$NC"
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else
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FAIL_CNT=$((FAIL_CNT+1))
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printf '%b[✘ 失败] %s（扣 %d 分）%b\n' "$RED" "$failure_message" "$points" "$NC"
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fi
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}
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finish() {
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printf '\n'
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separator
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printf '实验自测检查完毕！通过项: %b%d%b，失败项: %b%d%b\n' "$GREEN" "$PASS_CNT" "$NC" "$RED" "$FAIL_CNT" "$NC"
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printf '%b总成绩：%d/100 分%b\n' "$YELLOW" "$SCORE" "$NC"
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if [ "$TOTAL" -ne 100 ]; then
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error "评分项总分异常：$TOTAL，请联系教师检查脚本。"
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separator
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exit 2
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fi
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if [ "$FAIL_CNT" -eq 0 ]; then
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printf '%b所有检查项均已通过，实验自测完成！%b\n' "$GREEN" "$NC"
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separator
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exit 0
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fi
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printf '%b你有 %d 处检查未通过，请根据上方红字提示核对实验步骤并修正！%b\n' "$RED" "$FAIL_CNT" "$NC"
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separator
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exit 1
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}
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preflight() {
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if [ "$EUID" -ne 0 ]; then error '请以 root 身份在对应节点执行。未评分。'; exit 2; fi
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local cmd
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for cmd in awk grep sort tr timeout; do
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if ! command -v "$cmd" >/dev/null 2>&1; then error "缺少基础工具 $cmd，无法评分。"; exit 2; fi
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done
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}
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valid_ipv4() {
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printf '%s\n' "$1" | awk -F. '
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NF!=4 { bad=1 }
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{ for(i=1;i<=NF;i++) if($i !~ /^[0-9]+$/ || length($i)>3 || $i+0>255) bad=1 }
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END { exit (NR!=1 || bad) }'
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}
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hosts_ip() {
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awk -v name="$1" '{sub(/#.*/, ""); for(i=2;i<=NF;i++) if($i==name) print $1}' /etc/hosts 2>/dev/null | sort -u
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}
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resolved_as() {
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local addresses
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valid_ipv4 "$2" || return 1
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addresses=$(timeout 5 getent ahostsv4 "$1" 2>/dev/null | awk '{print $1}' | sort -u) || return 1
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[ "$addresses" = "$2" ]
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}
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# 按节读取最后一个有效赋值；忽略整行注释，不执行配置文件。
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ini_value() {
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awk -v section="$2" -v key="$3" '
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/^[[:space:]]*[#;]/ { next }
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{ sub(/\r$/, "") }
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/^[[:space:]]*\[/ {
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s=$0; sub(/^[[:space:]]*\[/,"",s); sub(/\].*$/,"",s)
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gsub(/^[[:space:]]+|[[:space:]]+$/,"",s); next
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}
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s==section && index($0,"=") {
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k=substr($0,1,index($0,"=")-1); gsub(/^[[:space:]]+|[[:space:]]+$/,"",k)
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if(k==key) {
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v=substr($0,index($0,"=")+1)
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gsub(/^[[:space:]]+|[[:space:]]+$/,"",v)
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}
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}
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END {print v}' "$1" 2>/dev/null
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}
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enabled_service() { [ "$(timeout 10 systemctl is-enabled "$1" 2>/dev/null)" = enabled ]; }
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active_service() { timeout 10 systemctl is-active --quiet "$1"; }
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banner 'OpenStack 控制节点实验自测与自动化评分脚本'
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preflight
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# 自动检测失败（例如 hosts 冲突）仍继续评分，让解析项正常扣分。
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CONTROLLER_IP=${CHECK_CONTROLLER_IP:-$(hosts_ip controller)}
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if [ -z "${CHECK_CONTROLLER_IP:-}" ] && ! valid_ipv4 "$CONTROLLER_IP"; then
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CONTROLLER_IP=192.168.30.129
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fi
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COMPUTE_IP=${CHECK_COMPUTE_IP:-$(hosts_ip compute)}
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ADMIN_PASSWORD=${CHECK_ADMIN_PASSWORD-admin}
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NOVA_PASSWORD=${CHECK_NOVA_PASSWORD-nova}
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if ! valid_ipv4 "$CONTROLLER_IP"; then error '控制节点 IP 参数或 hosts 映射无效。未评分。'; exit 2; fi
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if [ -n "${CHECK_COMPUTE_IP:-}" ] && ! valid_ipv4 "$CHECK_COMPUTE_IP"; then error 'CHECK_COMPUTE_IP 无效。未评分。'; exit 2; fi
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# 在子 Shell 内隔离已有 OS_* 变量；不改变调用者环境，不输出密码或 Token。
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os_cli() (
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for variable in ${!OS_@}; do unset "$variable"; done
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export OS_AUTH_URL=http://controller:5000/v3 OS_IDENTITY_API_VERSION=3
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export OS_AUTH_TYPE=password OS_USERNAME=admin OS_PASSWORD="$ADMIN_PASSWORD"
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export OS_PROJECT_NAME=admin OS_USER_DOMAIN_NAME=Default OS_PROJECT_DOMAIN_NAME=Default
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export OS_REGION_NAME=RegionOne
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export NO_PROXY="localhost,127.0.0.1,controller,compute,$CONTROLLER_IP,$COMPUTE_IP"
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export no_proxy="$NO_PROXY"
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timeout 30 openstack "$@" 2>/dev/null
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)
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# JSON 按字段名读取，兼容不同版本客户端改变列表列顺序。
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# Nova/OpenStack 客户端已依赖 Python；兼容 CentOS 7 的 Python 2.7 和 Python 3。
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json_values() {
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local interpreter
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interpreter=$(command -v python3 || command -v python) || return 1
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"$interpreter" -c '
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import json, sys
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rows = json.load(sys.stdin)
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if not isinstance(rows, list):
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sys.exit(1)
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for row in rows:
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values = [str(row[key]) for key in sys.argv[1:]]
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if any(any(c in value for c in "\t\r\n") for value in values):
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sys.exit(1)
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sys.stdout.write("\t".join(values) + "\n")
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' "$@" 2>/dev/null
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}
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section '控制节点主机与网络（20分）'
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hostname_ok() { [ "$(hostname)" = controller ] && [ "$(tr -d '[:space:]' < /etc/hostname)" = controller ]; }
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controller_mapping() {
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[ "$(hosts_ip controller)" = "$CONTROLLER_IP" ] &&
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ip -o -4 addr show scope global | awk -v ip="$CONTROLLER_IP" '{split($4,a,"/"); if(a[1]==ip)found=1} END{exit !found}'
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}
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compute_mapping() { valid_ipv4 "$COMPUTE_IP" && [ "$COMPUTE_IP" != "$CONTROLLER_IP" ] && [ "$(hosts_ip compute)" = "$COMPUTE_IP" ]; }
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both_resolve() { resolved_as controller "$CONTROLLER_IP" && resolved_as compute "$COMPUTE_IP"; }
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check 4 '运行中及持久主机名均为 controller' '运行中及持久主机名都应为 controller' hostname_ok
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check 4 'controller 的 hosts 映射唯一，且指向本机管理 IP' '/etc/hosts 中 controller 应唯一映射到本机管理 IP' controller_mapping
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check 4 'compute 的 hosts 映射唯一，管理 IPv4 配置正确' '/etc/hosts 中 compute 应唯一映射到计算节点管理 IPv4' compute_mapping
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check 4 'controller 和 compute 的系统解析与 hosts 配置一致' 'controller/compute 的系统解析应与 hosts 一致' both_resolve
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check 4 '可通过主机名 ping 通 compute' '应能通过主机名 ping 通 compute' timeout 8 ping -4 -c 2 -W 2 compute
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section 'Keystone 管理员认证（10分）'
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AUTH_OK=0
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if os_cli token issue >/dev/null; then AUTH_OK=1; fi
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check 10 'Keystone 管理员认证成功，可获取 Token' '管理员认证失败，检查 Keystone 或 CHECK_ADMIN_PASSWORD（默认 admin）' test "$AUTH_OK" -eq 1
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# 只认完整 Host=compute 的行，避免 controller 上克隆遗留的 nova-compute 冒充。
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# 使用 JSON 字段名，避免依赖表格边框或列位置。
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SERVICES_OK=0
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SERVICES=''
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if [ "$AUTH_OK" -eq 1 ]; then
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if SERVICES=$(os_cli compute service list -f json | json_values Binary Host Status State); then SERVICES_OK=1; fi
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fi
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compute_registered() {
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[ "$SERVICES_OK" -eq 1 ] && printf '%s\n' "$SERVICES" | awk '
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$1=="nova-compute" && $2=="compute" {n++}
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END{exit (n!=1)}'
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}
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compute_ready() {
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[ "$SERVICES_OK" -eq 1 ] && printf '%s\n' "$SERVICES" | awk '
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$1=="nova-compute" && $2=="compute" {n++; if($3=="enabled" && $4=="up")good++}
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END{exit !(n==1 && good==1)}'
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}
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section '计算节点注册（10分）'
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check 10 '计算服务已唯一注册，Host 为 compute，Binary 为 nova-compute' '应唯一注册 Host=compute 的 nova-compute（认证或服务列表查询失败也不得分）' compute_registered
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section '计算节点可用状态（10分）'
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check 10 'compute 的 nova-compute 状态为 enabled/up' 'compute 的 nova-compute 应为 enabled/up' compute_ready
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section '所有计算服务状态（15分）'
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control_component() {
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[ "$SERVICES_OK" -eq 1 ] && printf '%s\n' "$SERVICES" | awk -v binary="$1" '
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$1==binary && $2=="controller" {n++; if($3=="enabled" && $4=="up")good++}
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END{exit !(n>=1 && n==good)}'
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}
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all_services_up() {
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[ "$SERVICES_OK" -eq 1 ] && printf '%s\n' "$SERVICES" | awk '
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NF {n++; if(NF!=4 || $3!="enabled" || $4!="up")bad=1}
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END{exit !(n>0 && !bad)}'
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}
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check 5 'controller 的 nova-scheduler 已注册，且全部为 enabled/up' 'controller 的 nova-scheduler 应存在且全部为 enabled/up' control_component nova-scheduler
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check 5 'controller 的 nova-conductor 已注册，且全部为 enabled/up' 'controller 的 nova-conductor 应存在且全部为 enabled/up' control_component nova-conductor
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check 5 '计算服务列表查询成功，所有服务均为 enabled/up' '计算服务列表不能为空，且所有列出的服务应为 enabled/up' all_services_up
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section '计算节点 Cell 数据库映射（15分）'
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# discover_hosts 会写数据库，评分时仅查询 host_mappings，避免替学生完成实验。
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cell_mapping() {
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local result
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result=$(MYSQL_PWD="$NOVA_PASSWORD" timeout 15 mysql --connect-timeout=5 --protocol=TCP \
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-h controller -u nova -N -B nova_api -e \
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"SELECT c.uuid FROM host_mappings h JOIN cell_mappings c ON c.id=h.cell_id WHERE h.host='compute';" 2>/dev/null) || return 1
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printf '%s\n' "$result" | awk '
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/^[0-9a-fA-F-]+$/ && length($0)==36 && $0!="00000000-0000-0000-0000-000000000000" {good++}
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END{exit !(NR==1 && good==1)}'
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}
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check 15 'compute 已唯一映射到有效的非 cell0 Cell' 'compute 未唯一映射到有效的非 cell0 Cell，或 nova_api 数据库查询失败；检查 discover_hosts 结果及 nova 账号' cell_mapping
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section 'Keystone 服务目录和 API 端点（10分）'
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CATALOG_OK=0
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if [ "$AUTH_OK" -eq 1 ] && os_cli catalog list >/dev/null; then CATALOG_OK=1; fi
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catalog_endpoints() {
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local type=$1 port=$2 endpoints
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[ "$CATALOG_OK" -eq 1 ] || return 1
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endpoints=$(os_cli endpoint list --service "$type" -f json | json_values Region Interface URL Enabled) || return 1
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printf '%s\n' "$endpoints" | awk -v port="$port" -v ip="$CONTROLLER_IP" '
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$1=="RegionOne" && ($4=="True" || $4=="true") {
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url=$3; sub(/\/$/,"",url)
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expected="http://controller:"port; other="http://"ip":"port
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if(port==8774){expected=expected"/v2.1"; other=other"/v2.1"}
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if(url==expected || url==other) seen[$2]=1
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}
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END{exit !(seen["public"] && seen["internal"] && seen["admin"])}'
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}
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check 5 '服务目录可查询，compute 的三个 RegionOne API 端点均配置正确' '服务目录查询失败，或 compute 在 RegionOne 的 public/internal/admin 端点不完整或 URL 错误' catalog_endpoints compute 8774
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check 5 '服务目录可查询，placement 的三个 RegionOne API 端点均配置正确' '服务目录查询失败，或 placement 在 RegionOne 的 public/internal/admin 端点不完整或 URL 错误' catalog_endpoints placement 8778
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section 'Nova 整体检查（10分）'
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# Rocky 返回码：0=全部成功，1=警告，2=失败；仅 0 得分，命令缺失/超时也失败。
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check 10 'nova-status upgrade check 的所有检查项均成功' 'nova-status upgrade check 未全部成功（警告也扣分），请手工运行查看详细结果' timeout 40 su -s /bin/sh -c 'nova-status upgrade check' nova
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finish
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