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353 lines
16 KiB
Bash
Executable File
353 lines
16 KiB
Bash
Executable File
#!/bin/bash
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# 3x-ui-agent 节点一键安装脚本
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# 用法: bash install-agent.sh --master http://MASTER_IP:2053 --token YOUR_AGENT_TOKEN [--name my-node] [--probe-only]
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# --probe-only(V2.1.0):纯探针安装——跳过 sing-box 核心下载与自检,
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# agent.json 写入 probeOnly=true;agent 只跑探针通道、不运行任何核心。
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# 要求: Debian/Ubuntu/Alpine/CentOS (amd64/arm64), root 运行
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#
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# 无参沿用(第 16 条):已装过 agent 的机器重跑本脚本升级时,可省略全部参数——
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# 脚本会从本机 /etc/x-ui/agent.json 沿用 master_url/token/node_name;显式传入的
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# 参数逐字段覆盖沿用值。日志只打明沿用的节点名与主控地址,绝不打印 token。
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#
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# 测试用环境变量(一般无需设置):
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# XUI_ROOT 安装路径前缀(假根目录验证用),默认空 = 真实路径
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# XUI_INIT_SYSTEM 强制 init 系统: systemd | openrc | none,默认 auto 探测
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# XUI_URL agent 二进制下载地址覆盖
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#
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# 二进制命名(P12 改名):agent 独立装为 /usr/local/x-ui/xui-agent,不再与主控共用
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# x-ui 文件——①ps 里进程名即 xui-agent,与主控一眼可辨;②同机部署时 agent 的
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# 安装/升级永不写主控文件,不再撞 Text file busy;③进程清理只按 "xui-agent agent"
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# 精确匹配 agent 自身。存量旧 agent 的进程形态是 "x-ui agent"(带 agent 子命令),
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# 与主控的裸 "x-ui"(无参数)天然可区分,迁移清理只杀前者、绝不误杀主控。
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set -e
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RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[0;33m'; NC='\033[0m'
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info() { echo -e "${GREEN}[INFO]${NC} $1"; }
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warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
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error() { echo -e "${RED}[ERROR]${NC} $1"; exit 1; }
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[[ $EUID -ne 0 ]] && error "请用 root 运行"
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command -v curl >/dev/null 2>&1 || error "缺少 curl,请先安装 curl 后重跑"
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MASTER=""; TOKEN=""; NAME=""; PROBE_ONLY=""
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while [[ $# -gt 0 ]]; do
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case $1 in
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--master) MASTER="$2"; shift 2;;
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--token) TOKEN="$2"; shift 2;;
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--name) NAME="$2"; shift 2;;
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--probe-only) PROBE_ONLY=1; shift;;
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*) error "未知参数: $1";;
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esac
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done
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# 无参沿用(第 16 条):参数缺项时,从本机已有 agent.json 逐字段补默认值,
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# 显式参数优先。agent.json 由本脚本以固定格式写出,这里用 sed 提取字段,
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# 不依赖 jq。文件不存在或解析不出可用字段、且必填值仍缺 → 下方校验明确报错。
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AGENT_JSON_PATH="${XUI_ROOT:-}/etc/x-ui/agent.json"
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json_get() { # $1=文件 $2=键名 → 打印值(取不到则空)
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sed -n "s/.*\"$2\"[[:space:]]*:[[:space:]]*\"\([^\"]*\)\".*/\1/p" "$1" 2>/dev/null | head -n 1
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}
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if [[ -f "$AGENT_JSON_PATH" ]]; then
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INHERITED=()
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f_master=$(json_get "$AGENT_JSON_PATH" master_url)
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f_token=$(json_get "$AGENT_JSON_PATH" token)
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f_name=$(json_get "$AGENT_JSON_PATH" node_name)
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if [[ -z "$MASTER" && -n "$f_master" ]]; then MASTER="$f_master"; INHERITED+=("主控地址"); fi
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if [[ -z "$TOKEN" && -n "$f_token" ]]; then TOKEN="$f_token"; INHERITED+=("token"); fi
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if [[ -z "$NAME" && -n "$f_name" ]]; then NAME="$f_name"; INHERITED+=("节点名"); fi
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# probeOnly 是布尔字段,json_get 只取字符串值,这里单独按 true 沿用。
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if [[ -z "$PROBE_ONLY" ]] && grep -q '"probeOnly"[[:space:]]*:[[:space:]]*true' "$AGENT_JSON_PATH"; then PROBE_ONLY=1; INHERITED+=("纯探针"); fi
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if [[ ${#INHERITED[@]} -gt 0 ]]; then
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info "沿用本机已有配置 ${AGENT_JSON_PATH}(${INHERITED[*]}):节点名=${NAME},主控=${MASTER}(token 已沿用,不显示)"
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elif [[ -z "$MASTER" || -z "$TOKEN" ]]; then
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warn "发现已有配置 ${AGENT_JSON_PATH},但未能解析出可用字段"
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fi
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fi
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[[ -z "$MASTER" ]] && error "缺少 --master 参数(本机亦无可沿用的 agent.json)"
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[[ -z "$TOKEN" ]] && error "缺少 --token 参数 (从主控面板 API 获取)"
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[[ -z "$NAME" ]] && NAME="agent-node"
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ARCH=$(uname -m)
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case "$ARCH" in
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x86_64|amd64) BIN_ARCH="amd64";;
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aarch64|arm64) BIN_ARCH="arm64";;
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*) error "不支持的架构: $ARCH (仅支持 amd64/arm64)";;
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esac
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# 发行下载基址(本仓 Gitea Releases,发行 tag V2.0.0):agent 二进制走
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# 自建镜像,不再依赖 GitHub CDN(部分节点极慢甚至僵死,见第 15 条)。
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# sing-box 核心在 NexusGate 仓的专用发行里(见下方 SINGBOX_BASE)。
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# 注意:本脚本是 V2 版——只装 sing-box 运行时;主控未升 V2 前不要用它
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# 重装节点(节点升级走面板一键更新,不需要本脚本)。
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RELEASE_BASE="https://git.881218.xyz/rogue/3x-ui-agent/releases/download/V2.2.0"
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XUI_URL="${XUI_URL:-${RELEASE_BASE}/x-ui-linux-${BIN_ARCH}}"
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ROOT="${XUI_ROOT:-}"
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XUI_HOME="${ROOT}/usr/local/x-ui"
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CONF_DIR="${ROOT}/etc/x-ui"
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AGENT_BIN="${XUI_HOME}/xui-agent"
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info "创建目录..."
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mkdir -p "${XUI_HOME}/bin" "${CONF_DIR}"
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info "下载 agent 二进制..."
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# 先下到 .new 再改名覆盖:改名是原子替换,正在运行的旧 agent 进程不受影响,
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# 也不会因目标文件正被执行而报 Text file busy;全程只写 xui-agent,不碰主控的 x-ui。
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curl -fL -o "${AGENT_BIN}.new" "$XUI_URL" || error "agent 下载失败: $XUI_URL"
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[[ -s "${AGENT_BIN}.new" ]] || error "agent 下载得到空文件: $XUI_URL"
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chmod +x "${AGENT_BIN}.new"
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mv -f "${AGENT_BIN}.new" "${AGENT_BIN}"
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# 第 6 条 B5 正式切换:agent 只装 sing-box 核心(自编 v1.13.21,
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# with_v2ray_api with_utls with_quic),xray 与 geo 下载已移除——
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# sing-box 配置零 geo 引用,节点不再需要 geo 文件;xray 本体亦不再
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# 随装。存量节点 bin 里已有的 xray/geo 文件本脚本不删(回滚旧主控时
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# 仍可用)。sing-box 资产在 NexusGate 仓的专用发行里(与 NexusGate
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# 共用同一自编件)。其 version 输出为 unknown(自编件无版本戳),
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# 故另写版本记录文件供 agent 遥测读取。
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# 每一步都显式判失败并报错退出(第 17 条):历史教训——下载失败曾被
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# && 链条吞掉,脚本带病走完报成功,结果核心缺失、入站全断而面板显在线。
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SINGBOX_VER="1.13.21"
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SINGBOX_BASE="https://git.881218.xyz/rogue/NexusGate/releases/download/sing-box-v${SINGBOX_VER}"
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SINGBOX_URL="${SINGBOX_URL:-${SINGBOX_BASE}/nexusgate-sing-box-linux-${BIN_ARCH}}"
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if [[ "$PROBE_ONLY" == "1" ]]; then
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# 纯探针节点不运行核心(V2.1.0):不下载、不落地 sing-box;
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# 本机已有的核心文件不删(关掉纯探针后可直接复用)。
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info "纯探针模式:跳过 sing-box 核心下载"
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else
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info "下载 sing-box v${SINGBOX_VER}..."
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curl -fL -o "${XUI_HOME}/bin/sing-box-linux-${BIN_ARCH}.new" "$SINGBOX_URL" || error "sing-box 下载失败: $SINGBOX_URL"
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[[ -s "${XUI_HOME}/bin/sing-box-linux-${BIN_ARCH}.new" ]] || error "sing-box 下载得到空文件: $SINGBOX_URL"
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chmod +x "${XUI_HOME}/bin/sing-box-linux-${BIN_ARCH}.new"
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mv -f "${XUI_HOME}/bin/sing-box-linux-${BIN_ARCH}.new" "${XUI_HOME}/bin/sing-box-linux-${BIN_ARCH}"
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printf '%s\n' "$SINGBOX_VER" > "${XUI_HOME}/bin/sing-box.version"
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fi
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# 安装收尾自检(第 17 条):文件在不等于能用——sing-box 本体须存在、
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# 可执行、version 能真实跑通;若已有生效配置,须过 sing-box check;
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# agent 本体须可执行。任一不过即报错退出并指出缺什么,不许带病进入
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# 写配置/起服务阶段。
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self_check() {
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if [[ "$PROBE_ONLY" == "1" ]]; then
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# 纯探针节点没有核心可检(V2.1.0),只验 agent 本体。
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[[ -x "$AGENT_BIN" ]] || error "自检失败:agent 二进制不可执行 ${AGENT_BIN}"
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info "纯探针模式:跳过 sing-box 自检"
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return 0
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fi
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local sb_bin="${XUI_HOME}/bin/sing-box-linux-${BIN_ARCH}"
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[[ -x "$sb_bin" ]] || error "自检失败:sing-box 本体缺失或不可执行 ${sb_bin}"
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local sb_out
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if ! sb_out=$("$sb_bin" version 2>/dev/null); then
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error "自检失败:sing-box 本体无法运行(${sb_bin} version 退出非零)"
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fi
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[[ -n "$sb_out" ]] || error "自检失败:sing-box version 无输出(${sb_bin})"
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info "sing-box 自检通过:$(printf '%s' "$sb_out" | head -n 1)(版本记录 ${SINGBOX_VER})"
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local sb_cfg="${XUI_HOME}/bin/config-singbox.json"
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if [[ -s "$sb_cfg" ]]; then
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"$sb_bin" check -c "$sb_cfg" >/dev/null 2>&1 || error "自检失败:现行 sing-box 配置未过 check(${sb_cfg})"
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info "sing-box 配置自检通过:${sb_cfg}"
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fi
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[[ -x "$AGENT_BIN" ]] || error "自检失败:agent 二进制不可执行 ${AGENT_BIN}"
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}
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self_check
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info "写入 agent 配置..."
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PROBE_ONLY_JSON=""
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if [[ "$PROBE_ONLY" == "1" ]]; then PROBE_ONLY_JSON=',
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"probeOnly": true'; fi
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cat > "${CONF_DIR}/agent.json" <<EOF
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{
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"master_url": "$MASTER",
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"token": "$TOKEN",
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"node_name": "$NAME"${PROBE_ONLY_JSON}
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}
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EOF
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chmod 600 "${CONF_DIR}/agent.json"
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# 探测主控可达性:拿假 token 打一次注册接口,在启动前把地址问题拦下来,
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# 别让 agent 带着必死的配置装完再无声无息地死掉(主控上一直显示"未知")。
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# 404 → 注册路由不存在,主控地址大概率少了面板基础路径
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# 连不上 → 网络/域名/TLS 问题
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# 其他(401等) → 路由存在(假 token 被拒正是预期),路径正确
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probe_master() {
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local url="${MASTER%/}/panel/api/agent/register"
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info "探测主控注册接口: $url"
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local code
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code=$(curl -s -o /dev/null -w '%{http_code}' --max-time 15 -X POST "$url" \
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-H 'Content-Type: application/json' \
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-H 'Authorization: Bearer install-probe-invalid-token' \
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-d '{"token":"install-probe-invalid-token","name":"install-probe"}' 2>/dev/null) || code="000"
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case "$code" in
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404)
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echo ""
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echo -e "${RED}============================================================${NC}"
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echo -e "${RED} 主控返回 404:注册接口不存在,安装中止。${NC}"
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echo -e "${RED} 主控地址大概率少了面板基础路径(如 /rogue)。${NC}"
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echo -e "${RED} 当前地址: ${MASTER}${NC}"
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echo -e "${RED} 若面板实际地址带基础路径,请改用 --master ${MASTER%/}/rogue${NC}"
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echo -e "${RED} 之类的完整地址(以面板真实基础路径为准)改对后重跑本脚本。${NC}"
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echo -e "${RED}============================================================${NC}"
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exit 1
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;;
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000)
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echo ""
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echo -e "${RED}============================================================${NC}"
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echo -e "${RED} 连不上主控,安装中止。${NC}"
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echo -e "${RED} 请检查:网络是否通、域名解析是否正常、主控地址与端口是否写对、${NC}"
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echo -e "${RED} 以及主控 HTTPS 证书是否有效(agent 不接受自签证书)。${NC}"
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echo -e "${RED} 目标: $url${NC}"
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echo -e "${RED}============================================================${NC}"
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exit 1
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;;
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*)
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info "主控探测通过 (HTTP $code,注册路由存在)"
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;;
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esac
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}
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probe_master
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# 存量迁移清理:旧版脚本把 agent 装在主控文件 x-ui 上(进程形态 "x-ui agent"),
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# 重跑本脚本升级时先停掉这类旧进程,服务定义随后会被新单元覆盖。
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# 安全边界:只精确匹配带 agent 子命令的旧路径进程;主控是裸 x-ui(无 agent 参数),
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# 同机部署时绝不误杀。本脚本任何地方都不写、不删主控文件 x-ui 本身——agent-only
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# 节点上它在迁移后成为无用残留,确认该机不跑主控后可人工删除。
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stop_legacy_agent() {
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pkill -f "${XUI_HOME}/x-ui agent" 2>/dev/null || true
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}
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detect_init_system() {
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case "${XUI_INIT_SYSTEM:-auto}" in
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systemd|openrc|none) echo "${XUI_INIT_SYSTEM}"; return;;
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esac
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if [ -d /run/systemd/system ] && command -v systemctl >/dev/null 2>&1; then
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echo systemd; return
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fi
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if command -v rc-update >/dev/null 2>&1 && command -v rc-service >/dev/null 2>&1; then
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echo openrc; return
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fi
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echo none
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}
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# 以 systemd 服务方式安装并启动(开机自启)
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start_via_systemd() {
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local unit_dir="${ROOT}/etc/systemd/system"
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mkdir -p "$unit_dir"
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cat > "${unit_dir}/x-ui-agent.service" <<'EOF'
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[Unit]
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Description=3x-ui agent
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After=network.target
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[Service]
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ExecStart=/usr/local/x-ui/xui-agent agent
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Restart=on-failure
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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EOF
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info "已生成 systemd 服务文件: ${unit_dir}/x-ui-agent.service"
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if [ -n "$ROOT" ]; then
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info "(XUI_ROOT 模式:跳过 systemctl 实际操作)"
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return 0
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fi
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systemctl stop x-ui-agent 2>/dev/null || true
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stop_legacy_agent
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pkill -f "${AGENT_BIN} agent" 2>/dev/null || true; sleep 1
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systemctl daemon-reload
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systemctl enable x-ui-agent
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systemctl restart x-ui-agent
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sleep 2
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if systemctl is-active --quiet x-ui-agent; then
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info "agent 已由 systemd 托管启动(开机自启)"
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echo ""
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echo " 主控: $MASTER"
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echo " 节点名: $NAME"
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echo " 日志: journalctl -u x-ui-agent -f"
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echo " agent 会在 30 秒内从主控拉取配置"
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else
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error "agent 服务启动失败,查看: systemctl status x-ui-agent"
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fi
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}
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# 以 OpenRC 服务方式安装并启动(开机自启,Alpine 等)
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start_via_openrc() {
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local init_dir="${ROOT}/etc/init.d"
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mkdir -p "$init_dir"
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cat > "${init_dir}/x-ui-agent" <<'EOF'
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#!/sbin/openrc-run
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name="x-ui-agent"
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description="3x-ui lightweight node agent"
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command="/usr/local/x-ui/xui-agent"
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command_args="agent"
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# supervise-daemon 守护(第 23 条):进程崩溃后按 respawn 参数自动拉起,
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# 对齐 systemd 支的 Restart=on-failure + RestartSec=5;旧版 command_background
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# 只负责后台化、崩溃不重启。respawn_max=0 = 不限次(同 systemd 的持续重试)。
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supervisor="supervise-daemon"
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respawn_delay=5
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respawn_max=0
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respawn_period=0
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pidfile="/run/x-ui-agent.pid"
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output_log="/var/log/x-ui-agent.log"
|
||
error_log="/var/log/x-ui-agent.log"
|
||
|
||
depend() {
|
||
need net
|
||
}
|
||
EOF
|
||
chmod +x "${init_dir}/x-ui-agent"
|
||
info "已生成 OpenRC 服务文件: ${init_dir}/x-ui-agent"
|
||
if [ -n "$ROOT" ]; then
|
||
info "(XUI_ROOT 模式:跳过 rc-update/rc-service 实际操作)"
|
||
return 0
|
||
fi
|
||
rc-service x-ui-agent stop 2>/dev/null || true
|
||
stop_legacy_agent
|
||
pkill -f "${AGENT_BIN} agent" 2>/dev/null || true; sleep 1
|
||
rc-update add x-ui-agent default
|
||
rc-service x-ui-agent restart
|
||
sleep 2
|
||
if rc-service x-ui-agent status >/dev/null 2>&1; then
|
||
info "agent 已由 OpenRC 托管启动(开机自启)"
|
||
echo ""
|
||
echo " 主控: $MASTER"
|
||
echo " 节点名: $NAME"
|
||
echo " 日志: tail -f /var/log/x-ui-agent.log"
|
||
echo " agent 会在 30 秒内从主控拉取配置"
|
||
else
|
||
error "agent 服务启动失败,查看: rc-service x-ui-agent status"
|
||
fi
|
||
}
|
||
|
||
# 无服务管理器时回落 nohup(无开机自启,明确警告)
|
||
start_via_nohup() {
|
||
warn "未检测到 systemd / OpenRC,退回 nohup 方式启动"
|
||
warn "注意:nohup 方式没有开机自启,机器重启后 agent 不会自动恢复,需手动重跑本脚本!"
|
||
stop_legacy_agent
|
||
pkill -f "${AGENT_BIN} agent" 2>/dev/null || true; sleep 1
|
||
# -config 显式给出(生产环境即其默认路径 /etc/x-ui/agent.json,行为不变),
|
||
# 这样 XUI_ROOT 假根验证时 agent 也能找到刚写下的配置。
|
||
nohup "${AGENT_BIN}" agent -config "${CONF_DIR}/agent.json" > /tmp/agent.log 2>&1 &
|
||
sleep 8
|
||
if grep -q "Starting 3x-ui agent" /tmp/agent.log 2>/dev/null; then
|
||
info "agent 启动成功!"
|
||
echo ""
|
||
echo " 主控: $MASTER"
|
||
echo " 节点名: $NAME"
|
||
echo " 日志: tail -f /tmp/agent.log"
|
||
echo " agent 会在 30 秒内从主控拉取配置"
|
||
else
|
||
error "启动失败,查看日志: cat /tmp/agent.log"
|
||
fi
|
||
}
|
||
|
||
info "启动 agent..."
|
||
case "$(detect_init_system)" in
|
||
systemd) start_via_systemd;;
|
||
openrc) start_via_openrc;;
|
||
*) start_via_nohup;;
|
||
esac
|