79 lines
2.2 KiB
Bash
79 lines
2.2 KiB
Bash
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#!/usr/bin/env bash
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# GBS 本地开发 Dubbo 代理刷新脚本（方案 C）
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# 在 192.168.20.100 上运行：将固定端口转发到当前 Pod IP:20880
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# 不修改 K8s / Nacos 注册，仅做主机级 TCP 代理
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set -euo pipefail
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NAMESPACE="${NAMESPACE:-jjb-dragon}"
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BIND_ADDR="${BIND_ADDR:-0.0.0.0}"
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MAP_FILE="${MAP_FILE:-/opt/dubbo-dev-proxy/dubbo-proxy.map}"
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PID_DIR="${PID_DIR:-/var/run/dubbo-dev-proxy}"
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LOG_DIR="${LOG_DIR:-/var/log/dubbo-dev-proxy}"
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KUBECTL="${KUBECTL:-kubectl}"
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mkdir -p "$PID_DIR" "$LOG_DIR"
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if ! command -v socat >/dev/null 2>&1; then
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echo "[ERROR] socat 未安装，请先执行 dubbo-proxy-install.sh" >&2
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exit 1
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fi
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if [[ ! -f "$MAP_FILE" ]]; then
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echo "[ERROR] 映射文件不存在: $MAP_FILE" >&2
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exit 1
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fi
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stop_one() {
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local port="$1"
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local pid_file="${PID_DIR}/${port}.pid"
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if [[ -f "$pid_file" ]]; then
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local pid
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pid="$(cat "$pid_file" 2>/dev/null || true)"
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if [[ -n "$pid" ]] && kill -0 "$pid" 2>/dev/null; then
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kill "$pid" 2>/dev/null || true
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sleep 0.2
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kill -9 "$pid" 2>/dev/null || true
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fi
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rm -f "$pid_file"
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fi
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}
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start_one() {
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local port="$1"
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local pod_label="$2"
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local target_port="$3"
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local pod_ip
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pod_ip="$($KUBECTL get pods -n "$NAMESPACE" -l "app=${pod_label}" \
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--field-selector=status.phase=Running \
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-o jsonpath='{.items[0].status.podIP}' 2>/dev/null || true)"
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if [[ -z "$pod_ip" ]]; then
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echo "[WARN] ${pod_label} 无 Running Pod，跳过端口 ${port}"
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stop_one "$port"
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return 0
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fi
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stop_one "$port"
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nohup socat \
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"TCP-LISTEN:${port},bind=${BIND_ADDR},fork,reuseaddr" \
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"TCP:${pod_ip}:${target_port}" \
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>> "${LOG_DIR}/${port}.log" 2>&1 &
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echo $! > "${PID_DIR}/${port}.pid"
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echo "[OK] ${port} -> ${pod_ip}:${target_port} (${pod_label})"
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}
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echo "=== dubbo-dev-proxy refresh $(date '+%F %T') ==="
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while IFS= read -r line || [[ -n "$line" ]]; do
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[[ -z "$line" || "$line" =~ ^[[:space:]]*# ]] && continue
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IFS='|' read -r local_port pod_label target_port <<< "$line"
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[[ -z "$local_port" || -z "$pod_label" || -z "$target_port" ]] && continue
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start_one "$local_port" "$pod_label" "$target_port"
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done < "$MAP_FILE"
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echo "=== done ==="
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