完善贷款定价前后端实现与联调

bin/prod/restart_java.sh

@@ -0,0 +1,221 @@
+#!/bin/sh
+
+set -eu
+
+WEBAPP_ROOT="/home/webapp"
+ENV_ROOT="$WEBAPP_ROOT/env"
+APP_ROOT="$WEBAPP_ROOT/loan-pricing"
+JAVA_HOME="$ENV_ROOT/jdk"
+BACKEND_DIR="$APP_ROOT/backend"
+LOG_DIR="$APP_ROOT/logs"
+RUN_DIR="$APP_ROOT/run"
+BACKEND_PID_FILE="$RUN_DIR/backend.pid"
+BACKEND_JAR="$BACKEND_DIR/ruoyi-admin.jar"
+BACKEND_CONSOLE_LOG="$LOG_DIR/backend-console.log"
+BACKEND_PORT=63310
+BACKEND_MARKER="-Dloan.pricing.home=$APP_ROOT"
+JAVA_OPTS="$BACKEND_MARKER -Duser.timezone=Asia/Shanghai -Xms512m -Xmx1024m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError"
+
+timestamp() {
+    date "+%Y-%m-%d %H:%M:%S"
+}
+
+log_info() {
+    printf '[%s] %s\n' "$(timestamp)" "$1"
+}
+
+log_error() {
+    printf '[%s] %s\n' "$(timestamp)" "$1" >&2
+}
+
+usage() {
+    cat <<'EOF'
+用法: ./restart_java.sh [start|stop|restart|status]
+
+默认动作:
+  restart  重启后端 Java 进程
+EOF
+}
+
+require_root() {
+    if [ "$(id -u)" -ne 0 ]; then
+        log_error "请使用 root 用户执行脚本"
+        exit 1
+    fi
+}
+
+ensure_runtime_dirs() {
+    mkdir -p "$BACKEND_DIR" "$LOG_DIR" "$RUN_DIR"
+}
+
+is_managed_backend_pid() {
+    pid="$1"
+    if [ -z "${pid:-}" ] || ! kill -0 "$pid" 2>/dev/null; then
+        return 1
+    fi
+
+    args=$(ps -o args= -p "$pid" 2>/dev/null || true)
+    if [ -z "${args:-}" ]; then
+        return 1
+    fi
+
+    case "$args" in
+        *"$BACKEND_MARKER"*"$BACKEND_JAR"*|*"$BACKEND_JAR"*"$BACKEND_MARKER"*)
+            return 0
+            ;;
+    esac
+
+    return 1
+}
+
+collect_backend_pids() {
+    pids=""
+
+    if [ -f "$BACKEND_PID_FILE" ]; then
+        file_pid=$(cat "$BACKEND_PID_FILE" 2>/dev/null || true)
+        if [ -n "${file_pid:-}" ] && is_managed_backend_pid "$file_pid"; then
+            pids="$pids $file_pid"
+        fi
+    fi
+
+    marker_pids=$(pgrep -f "$BACKEND_MARKER" 2>/dev/null || true)
+    if [ -n "${marker_pids:-}" ]; then
+        for pid in $marker_pids; do
+            if is_managed_backend_pid "$pid"; then
+                pids="$pids $pid"
+            fi
+        done
+    fi
+
+    printf '%s\n' "$(echo "$pids" | xargs 2>/dev/null || true)"
+}
+
+stop_backend() {
+    pids=$(collect_backend_pids)
+
+    if [ -z "${pids:-}" ]; then
+        rm -f "$BACKEND_PID_FILE"
+        log_info "未发现运行中的后端进程"
+        return 0
+    fi
+
+    log_info "停止后端进程: $pids"
+    for pid in $pids; do
+        kill -TERM "$pid" 2>/dev/null || true
+    done
+
+    elapsed=0
+    while [ "$elapsed" -lt 30 ]; do
+        remaining=""
+        for pid in $pids; do
+            if kill -0 "$pid" 2>/dev/null; then
+                remaining="$remaining $pid"
+            fi
+        done
+
+        remaining=$(echo "$remaining" | xargs 2>/dev/null || true)
+        if [ -z "${remaining:-}" ]; then
+            break
+        fi
+
+        sleep 1
+        elapsed=$((elapsed + 1))
+    done
+
+    if [ -n "${remaining:-}" ]; then
+        log_info "执行强制停止: $remaining"
+        for pid in $remaining; do
+            kill -KILL "$pid" 2>/dev/null || true
+        done
+    fi
+
+    rm -f "$BACKEND_PID_FILE"
+}
+
+start_backend() {
+    if [ ! -x "$JAVA_HOME/bin/java" ]; then
+        log_error "未检测到 Java，可先执行 /home/webapp/install_env.sh"
+        exit 1
+    fi
+
+    if [ ! -f "$BACKEND_JAR" ]; then
+        log_error "未找到后端 jar: $BACKEND_JAR"
+        exit 1
+    fi
+
+    if [ -n "$(collect_backend_pids)" ]; then
+        log_error "检测到后端已在运行，请先执行 stop 或 restart"
+        exit 1
+    fi
+
+    printf '\n===== %s restart =====\n' "$(timestamp)" >> "$BACKEND_CONSOLE_LOG"
+
+    (
+        cd "$BACKEND_DIR"
+        nohup "$JAVA_HOME/bin/java" $JAVA_OPTS -jar "$BACKEND_JAR" --spring.profiles.active=pro --server.port="$BACKEND_PORT" >> "$BACKEND_CONSOLE_LOG" 2>&1 &
+        echo $! > "$BACKEND_PID_FILE"
+    )
+
+    sleep 3
+
+    backend_pid=$(cat "$BACKEND_PID_FILE" 2>/dev/null || true)
+    if [ -z "${backend_pid:-}" ] || ! kill -0 "$backend_pid" 2>/dev/null; then
+        log_error "后端启动失败，请检查日志: $BACKEND_CONSOLE_LOG"
+        exit 1
+    fi
+
+    wait_seconds=0
+    while [ "$wait_seconds" -lt 30 ]; do
+        if ss -lnt 2>/dev/null | grep -q ":$BACKEND_PORT "; then
+            log_info "后端已监听端口: $BACKEND_PORT"
+            return 0
+        fi
+
+        sleep 1
+        wait_seconds=$((wait_seconds + 1))
+    done
+
+    log_error "后端未在预期时间内监听端口 $BACKEND_PORT"
+    exit 1
+}
+
+status_backend() {
+    pids=$(collect_backend_pids)
+    if [ -n "${pids:-}" ]; then
+        log_info "后端正在运行，进程: $pids"
+        return 0
+    fi
+
+    if ss -lnt 2>/dev/null | grep -q ":$BACKEND_PORT "; then
+        log_info "未识别到脚本托管进程，但端口 $BACKEND_PORT 已被占用"
+        return 0
+    fi
+
+    log_info "后端未运行"
+}
+
+main() {
+    action="${1:-restart}"
+
+    case "$action" in
+        start)
+            start_backend
+            ;;
+        stop)
+            stop_backend
+            ;;
+        restart)
+            stop_backend
+            start_backend
+            ;;
+        status)
+            status_backend
+            ;;
+        *)
+            usage
+            exit 1
+            ;;
+    esac
+}
+
+main "$@"