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test_net_tune.py 原来断言 net-tune.sh 里写着 mtu 1500, 依据是更早一次实测「接口 MTU 降到 1400 会掉到 50%」。 那个结论后来被推翻了 —— 当时漏了一件事: **MSS 钳制只管 TCP,QUIC 走 UDP 完全不受保护。** 路径 MTU 实测 1472(1500 的包不通),QUIC 默认发 ~1452 的包会被 中间设备静默丢掉,而 UDP 丢了不回 ICMP,只能等超时。 把接口 MTU 压到 1400 之后,QUIC 建齐 10 条连接从 28 秒缩到 12 秒。 所以现在是**故意**设 1400。断言跟着改, 不然它会永久假失败,还会诱导后人把真正的改进改回 1500。 顺带记录:全量回归 38 个阶段全部通过。 新增的三个阶段(局域网优化 / 手表局域网切换 / 编码与换行 / 管理页设备控制)都是这轮加的。
301 lines
14 KiB
Bash
301 lines
14 KiB
Bash
#!/bin/bash
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# ════════════════════════════════════════════════════════════════
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# 真机沙箱测试:在**真实的 Debian/aarch64 设备**上跑 deploy.sh,
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# 但把所有写入关进 /root/_dtest/sandbox,并且用桩命令挡住
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# systemd / iptables / ip / sysctl —— 绝不能碰正在服务的线上环境。
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# ════════════════════════════════════════════════════════════════
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#
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# 为什么要单独在真机上测:
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# 开发机是 Windows/Git Bash。它能验证语法、参数、幂等、
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# 生成的 unit 内容,但验不了:
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# · 真实 sed/awk/grep 的行为(GNU vs BSD 有差异)
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# · 真实的 /proc 读取、python3 -m py_compile
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# · 真实文件权限、路径长度、换行处理
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# 这一轮把这些补上。
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#
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# 为什么必须用桩挡 systemd/iptables/ip/sysctl:
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# --prefix 只隔离**文件写入**,不隔离**命令副作用**。
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# 如果不挡,`systemctl restart lanremote-relay` 会真的把
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# 线上中转重启一遍,`iptables` 会真的改线上规则。
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#
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# 用法:把这个脚本和 relay/ 目录一起放在 /root/_dtest/ 下,
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# 然后 bash /root/_dtest/test_deploy_device.sh
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# ════════════════════════════════════════════════════════════════
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set -u
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BASE=/root/_dtest
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SRC="$BASE/relay"
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BIN="$BASE/bin"
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SANDBOX="$BASE/sandbox"
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LOG="$BASE/stub.log"
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PASS=0
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FAIL=0
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ok() { PASS=$((PASS + 1)); printf " [PASS] %s\n" "$1"; }
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bad() { FAIL=$((FAIL + 1)); printf " [FAIL] %s\n" "$1"; }
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check(){ if [ "$2" = "$3" ]; then ok "$1"; else bad "$1(期望 $3,实际 $2)"; fi; }
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echo "============================================================"
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echo " 真机沙箱测试 · $(uname -m) · $(uname -r)"
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echo "============================================================"
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echo " 系统: $(. /etc/os-release 2>/dev/null && echo "$PRETTY_NAME")"
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echo " bash: $(bash --version | head -1)"
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[ -f "$SRC/deploy.sh" ] || { echo " 找不到 $SRC/deploy.sh"; exit 1; }
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 0. 先记录线上现状(测完要确认没被碰过)──"
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# ⚠ 必须用**绝对路径**抓真实命令。
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# 后面会把桩目录插到 PATH 最前面,那时 `systemctl` / `iptables`
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# 就都变成桩了;如果第 8 节还按名字调用,比的就是
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# "真实系统 vs 桩",必然对不上(真踩过)。
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REAL_SYSTEMCTL=$(command -v systemctl 2>/dev/null || echo systemctl)
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REAL_IPTABLES=$(command -v iptables 2>/dev/null || echo iptables)
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echo " 真实 systemctl: $REAL_SYSTEMCTL"
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echo " 真实 iptables: $REAL_IPTABLES"
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LIVE_RELAY_ACTIVE=$("$REAL_SYSTEMCTL" is-active lanremote-relay 2>/dev/null | head -1 || echo "?")
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LIVE_TUNNEL_ACTIVE=$("$REAL_SYSTEMCTL" is-active lanremote-tunnel 2>/dev/null | head -1 || echo "?")
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LIVE_TUNNEL2_ACTIVE=$("$REAL_SYSTEMCTL" is-active lanremote-tunnel-h2 2>/dev/null | head -1 || echo "?")
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LIVE_MTU=$(cat /sys/class/net/wlan0/mtu 2>/dev/null || echo "?")
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LIVE_MSS=$(("$REAL_IPTABLES" -t mangle -S OUTPUT 2>/dev/null || true) | grep -c TCPMSS | head -1)
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LIVE_MSS=${LIVE_MSS:-0}
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LIVE_KEEPALIVE=$(cat /proc/sys/net/ipv4/tcp_keepalive_time 2>/dev/null || echo "?")
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echo " lanremote-relay = $LIVE_RELAY_ACTIVE"
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echo " lanremote-tunnel = $LIVE_TUNNEL_ACTIVE"
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echo " lanremote-tunnel-h2 = $LIVE_TUNNEL2_ACTIVE"
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echo " wlan0 MTU = $LIVE_MTU"
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echo " MSS 规则数 = $LIVE_MSS"
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echo " keepalive_time = $LIVE_KEEPALIVE"
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 1. 搭桩命令 ──"
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mkdir -p "$BIN" "$SANDBOX"
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: > "$LOG"
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export STUB_LOG="$LOG"
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cat > "$BIN/systemctl" <<'EOF'
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#!/bin/bash
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echo "systemctl $*" >> "$STUB_LOG"
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STATE="$STUB_LOG.state"
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touch "$STATE"
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SVC=""
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for a in "$@"; do
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case "$a" in
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-*) continue ;;
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is-active|is-enabled|start|stop|restart|reload|enable|disable|status|daemon-reload|mask|unmask) continue ;;
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*) SVC="$a" ;;
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esac
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done
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case "$1" in
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is-active)
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if [ -n "$SVC" ] && grep -qxF "$SVC" "$STATE" 2>/dev/null; then
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echo "active"; exit 0
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fi
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echo "inactive"; exit 3 ;;
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is-enabled) echo "enabled"; exit 0 ;;
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start|restart)
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[ -n "$SVC" ] && { grep -qxF "$SVC" "$STATE" 2>/dev/null || echo "$SVC" >> "$STATE"; }
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exit 0 ;;
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*) exit 0 ;;
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esac
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EOF
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cat > "$BIN/iptables" <<'EOF'
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#!/bin/bash
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echo "iptables $*" >> "$STUB_LOG"
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RULES="$STUB_LOG.rules"; touch "$RULES"
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if [ "${1:-}" = "-t" ] && [ "${3:-}" = "-L" ]; then
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while read -r r; do [ -n "$r" ] && echo "TCPMSS tcp -- $r"; done < "$RULES"
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exit 0
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fi
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chain=""; mss=""; action=""; prev=""
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for a in "$@"; do
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case "$prev" in -C|-D|-A) chain="$a";; --set-mss) mss="$a";; esac
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case "$a" in -C|-D|-A) [ -z "$action" ] && action="$a";; esac
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prev="$a"
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done
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key="$chain:$mss"
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case "$action" in
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-C) grep -qxF "$key" "$RULES" 2>/dev/null && exit 0 || exit 1 ;;
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-A) grep -qxF "$key" "$RULES" 2>/dev/null || echo "$key" >> "$RULES"; exit 0 ;;
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-D) grep -qxF "$key" "$RULES" 2>/dev/null || exit 1
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grep -vxF "$key" "$RULES" > "$RULES.t" 2>/dev/null; mv "$RULES.t" "$RULES"; exit 0 ;;
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esac
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exit 0
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EOF
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cat > "$BIN/ip" <<'EOF'
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#!/bin/bash
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echo "ip $*" >> "$STUB_LOG"
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[ "${1:-}" = "-4" ] && echo "default via 192.168.10.1 dev wlan0 proto dhcp metric 600"
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exit 0
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EOF
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cat > "$BIN/sysctl" <<'EOF'
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#!/bin/bash
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echo "sysctl $*" >> "$STUB_LOG"
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exit 0
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EOF
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cat > "$BIN/nmcli" <<'EOF'
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#!/bin/bash
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echo "nmcli $*" >> "$STUB_LOG"
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exit 0
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EOF
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chmod +x "$BIN"/*
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echo " 桩命令: $(ls "$BIN" | tr '\n' ' ')"
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echo " (没有桩 curl —— 健康检查走真实 curl,只读无副作用)"
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export PATH="$BIN:$PATH"
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echo " PATH 首位已切到桩目录"
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 2. 语法检查(真机 bash)──"
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for f in deploy.sh deploy-tune.sh net-tune.sh; do
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if bash -n "$SRC/$f" 2>/tmp/synerr; then
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ok "$f 语法正确"
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else
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bad "$f 语法错误: $(head -2 /tmp/synerr)"
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fi
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done
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 3. --help(真机跑)──"
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H=$(bash "$SRC/deploy.sh" --help 2>&1)
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check "--help 退出码 0" "$?" "0"
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echo "$H" | grep -q 'quic / http2 / both' \
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&& ok "--help 讲清了 --protocol 三个取值" || bad "--help 没讲 --protocol"
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echo "$H" | grep -q '8 条' \
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&& ok "--help 写明了配比" || bad "--help 没写配比"
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echo "$H" | grep -q '没有任何默认域名' \
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&& ok "--help 声明了没有默认域名" || bad "--help 没声明默认域名策略"
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 4. 第一次部署(沙箱 + --skip-tunnel)──"
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printf 'lanremote-relay\n' > "$STUB_LOG.state"
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OUT1="$BASE/run1.log"
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bash "$SRC/deploy.sh" --prefix "$SANDBOX" --skip-tunnel > "$OUT1" 2>&1
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check "第一次退出码 0" "$?" "0"
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REL="$SANDBOX/root/lanremote-relay"
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UNIT="$SANDBOX/etc/systemd/system"
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for f in relay.py admin.py landing.py showcase.py favicon.ico deploy-tune.sh net-tune.sh; do
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[ -f "$REL/$f" ] && ok "部署了 $f" || bad "没部署 $f"
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done
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[ -f "$REL/site_shots/pc-main.png" ] && ok "部署了截图" || bad "没部署截图"
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for u in lanremote-relay lanremote-nettune lanremote-tunnel lanremote-tunnel-h2; do
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[ -f "$UNIT/$u.service" ] && ok "生成了 $u.service" || bad "缺 $u.service"
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done
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echo
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echo " ── 真机生成的隧道单元 ExecStart ──"
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grep -E '^ExecStart=' "$UNIT/lanremote-tunnel.service" | sed 's/^/ /'
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grep -E '^ExecStart=' "$UNIT/lanremote-tunnel-h2.service" | sed 's/^/ /'
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if grep -q -- '--protocol quic' "$UNIT/lanremote-tunnel.service" \
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&& grep -q -- '--ha-connections 8' "$UNIT/lanremote-tunnel.service" \
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&& grep -q -- '--metrics 127.0.0.1:20241' "$UNIT/lanremote-tunnel.service"; then
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ok "主隧道 = quic + 8 + metrics 20241"
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else
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bad "主隧道参数不对"
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fi
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if grep -q -- '--protocol http2' "$UNIT/lanremote-tunnel-h2.service" \
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&& grep -q -- '--ha-connections 2' "$UNIT/lanremote-tunnel-h2.service" \
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&& grep -q -- '--metrics 127.0.0.1:20242' "$UNIT/lanremote-tunnel-h2.service"; then
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ok "副本隧道 = http2 + 2 + metrics 20242"
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else
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bad "副本隧道参数不对"
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fi
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 5. 幂等:塞哨兵再跑第二遍 ──"
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echo '{"allowNew":false,"codes":[{"deviceId":"x","code":"789113"}]}' \
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> "$REL/data/relay_state.json"
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S1=$(md5sum "$REL/data/relay_state.json" | awk '{print $1}')
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echo "keepme" > "$REL/data/devices.json"
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: > "$STUB_LOG"
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printf 'lanremote-relay\n' > "$STUB_LOG.state"
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bash "$SRC/deploy.sh" --prefix "$SANDBOX" --skip-tunnel > "$BASE/run2.log" 2>&1
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check "第二次退出码 0" "$?" "0"
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S2=$(md5sum "$REL/data/relay_state.json" | awk '{print $1}')
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check "relay_state.json 没被改(allowNew 保住)" "$S2" "$S1"
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check "devices.json 没被冲掉" "$(cat "$REL/data/devices.json")" "keepme"
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grep -qxF 'systemctl restart lanremote-relay' "$STUB_LOG" 2>/dev/null \
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&& bad "无变化却重启了中转" || ok "无变化时没有重启中转"
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 6. 双隧道默认都启用 ──"
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CFD="$SANDBOX/root/.cloudflared"
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mkdir -p "$CFD"
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echo '{"TunnelID":"deadbeef-0000-1111-2222-333344445555"}' \
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> "$CFD/deadbeef-0000-1111-2222-333344445555.json"
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: > "$STUB_LOG"
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printf 'lanremote-relay\n' > "$STUB_LOG.state"
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bash "$SRC/deploy.sh" --prefix "$SANDBOX" --hostname relay.test.example \
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> "$BASE/run3.log" 2>&1
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check "带域名部署退出码 0" "$?" "0"
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grep -qxF 'systemctl enable lanremote-tunnel' "$STUB_LOG" \
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&& ok "启用了主隧道" || bad "没启用主隧道"
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grep -qxF 'systemctl enable lanremote-tunnel-h2' "$STUB_LOG" \
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&& ok "启用了副本隧道" || bad "没启用副本隧道(应该双跑)"
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echo
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echo "── 6b. --protocol http2 只跑副本 ──"
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: > "$STUB_LOG"
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printf 'lanremote-relay\n' > "$STUB_LOG.state"
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bash "$SRC/deploy.sh" --prefix "$SANDBOX" --protocol http2 \
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> "$BASE/run4.log" 2>&1
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check "--protocol http2 退出码 0" "$?" "0"
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grep -qxF 'systemctl enable lanremote-tunnel-h2' "$STUB_LOG" \
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&& ok "启用了副本" || bad "没启用副本"
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grep -qxF 'systemctl disable --now lanremote-tunnel' "$STUB_LOG" \
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&& ok "停用了主隧道" || bad "没停用主隧道"
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 7. 真机健康检查(真 curl,不是桩)──"
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if curl -s --max-time 8 http://127.0.0.1:8080/v1/health 2>/dev/null | grep -q '"ok"'; then
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ok "线上中转的 /v1/health 通"
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else
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bad "线上中转没响应"
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fi
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 8. 确认线上环境一点没被碰(用真实命令查,不用桩)──"
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NOW_RELAY=$("$REAL_SYSTEMCTL" is-active lanremote-relay 2>/dev/null | head -1 || echo "?")
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NOW_TUNNEL=$("$REAL_SYSTEMCTL" is-active lanremote-tunnel 2>/dev/null | head -1 || echo "?")
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NOW_TUNNEL2=$("$REAL_SYSTEMCTL" is-active lanremote-tunnel-h2 2>/dev/null | head -1 || echo "?")
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NOW_MTU=$(cat /sys/class/net/wlan0/mtu 2>/dev/null || echo "?")
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NOW_MSS=$(("$REAL_IPTABLES" -t mangle -S OUTPUT 2>/dev/null || true) | grep -c TCPMSS | head -1)
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NOW_MSS=${NOW_MSS:-0}
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NOW_KA=$(cat /proc/sys/net/ipv4/tcp_keepalive_time 2>/dev/null || echo "?")
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echo " 现在: relay=$NOW_RELAY tunnel=$NOW_TUNNEL h2=$NOW_TUNNEL2 MTU=$NOW_MTU MSS=$NOW_MSS KA=$NOW_KA"
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check "lanremote-relay 状态没变" "$NOW_RELAY" "$LIVE_RELAY_ACTIVE"
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check "lanremote-tunnel 状态没变" "$NOW_TUNNEL" "$LIVE_TUNNEL_ACTIVE"
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check "lanremote-tunnel-h2 状态没变" "$NOW_TUNNEL2" "$LIVE_TUNNEL2_ACTIVE"
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check "wlan0 MTU 没变" "$NOW_MTU" "$LIVE_MTU"
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check "MSS 规则数没变" "$NOW_MSS" "$LIVE_MSS"
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check "keepalive 没变" "$NOW_KA" "$LIVE_KEEPALIVE"
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# ────────────────────────────────────────────────────────────
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echo
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echo "── 9. 清理 ──"
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rm -rf "$BASE"
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echo " 已删除 $BASE"
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echo " 线上中转再确认: $(curl -s --max-time 8 http://127.0.0.1:8080/v1/health 2>/dev/null | head -c 70)"
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echo
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echo "============================================================"
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echo " 结果: 通过 $PASS 项,失败 $FAIL 项"
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echo "============================================================"
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[ "$FAIL" = "0" ] && exit 0 || exit 1
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