141 lines
6.6 KiB
Bash
Executable File
141 lines
6.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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REPO="${NG_REPO:-imamoxilin/NexusGate}"
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BRANCH="${NG_BRANCH:-main}"
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CONTROLLER=""
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TOKEN=""
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die() { printf '错误：%s\n' "$*" >&2; exit 1; }
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info() { printf '\033[1;36m[NexusGate Agent]\033[0m %s\n' "$*"; }
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# NG_LOCAL_SRC 指向本地源码目录时跳过 GitHub 下载（本地改动尚未 push 时用这个）
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fetch() {
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if [[ -n "${NG_LOCAL_SRC:-}" ]]; then
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[[ -f "${NG_LOCAL_SRC}/$1" ]] || die "NG_LOCAL_SRC 目录缺少 $1"
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cp -a "${NG_LOCAL_SRC}/$1" "$2"
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else
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# 加时间戳破坏 GitHub raw 缓存，避免拉到旧版
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curl -fL --retry 3 "https://raw.githubusercontent.com/${REPO}/${BRANCH}/$1?t=$(date +%s)" -o "$2"
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fi
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}
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--server) CONTROLLER="${2:-}"; shift 2 ;;
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--token) TOKEN="${2:-}"; shift 2 ;;
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--repo) REPO="${2:-}"; shift 2 ;;
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--branch) BRANCH="${2:-}"; shift 2 ;;
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*) die "未知参数：$1" ;;
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esac
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done
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[[ "${EUID}" -eq 0 ]] || die "请使用 root 运行"
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[[ "$CONTROLLER" =~ ^https?:// ]] || die "--server 必须是完整的 HTTP(S) 地址"
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[[ -n "$TOKEN" ]] || die "缺少 --token"
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if command -v apt-get >/dev/null; then
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -qq && apt-get install -y -qq ca-certificates curl unzip nodejs openssl logrotate
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elif command -v dnf >/dev/null; then
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dnf install -y ca-certificates curl unzip nodejs openssl logrotate
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elif command -v apk >/dev/null; then
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apk add --no-cache bash ca-certificates curl unzip nodejs openrc openssl logrotate
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else
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die "当前安装器支持 Debian/Ubuntu、RHEL 系和 Alpine"
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fi
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node_major="$(node -p 'process.versions.node.split(`.`)[0]')"
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[[ "$node_major" -ge 18 ]] || die "需要 Node.js 18 或更高版本"
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tmp_dir="$(mktemp -d /tmp/nexusgate-agent.XXXXXX)"
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trap 'rm -rf -- "$tmp_dir"' EXIT
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install -d -m 0755 /opt/nexusgate-agent
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fetch agent/agent.js /opt/nexusgate-agent/agent.js
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fetch agent/run.sh /opt/nexusgate-agent/run.sh
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fetch scripts/agent-update.sh /usr/local/sbin/ng-agent-update
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fetch scripts/agent-uninstall.sh /usr/local/sbin/ng-agent-uninstall
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fetch scripts/agent-doctor.sh /usr/local/sbin/ng-agent-doctor
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fetch scripts/agent-cert.sh /usr/local/sbin/ng-agent-cert
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fetch scripts/agent-singbox.sh /usr/local/sbin/ng-agent-singbox
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fetch scripts/agent-logrotate.conf "$tmp_dir/logrotate.conf"
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fetch scripts/agent-logrotate-setup.sh "$tmp_dir/logrotate-setup.sh"
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cat > /usr/local/sbin/ng-agent <<'EOF'
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#!/usr/bin/env bash
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set -Eeuo pipefail
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case "${1:-}" in
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update) exec ng-agent-update ;;
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uninstall) shift; exec ng-agent-uninstall "$@" ;;
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doctor|status) exec ng-agent-doctor ;;
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cert) shift; exec ng-agent-cert "$@" ;;
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engine) shift; exec ng-agent-singbox "$@" ;;
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*) printf 'NexusGate Agent: ng-agent doctor | ng-agent cert | ng-agent engine install | ng-agent update | ng-agent uninstall\n' ;;
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esac
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EOF
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chmod 0644 /opt/nexusgate-agent/agent.js
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chmod 0755 /opt/nexusgate-agent/run.sh /usr/local/sbin/ng-agent-update /usr/local/sbin/ng-agent-uninstall /usr/local/sbin/ng-agent-doctor /usr/local/sbin/ng-agent-cert /usr/local/sbin/ng-agent-singbox /usr/local/sbin/ng-agent
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install -d -m 0700 /etc/nexusgate /etc/nexusgate/agent /etc/nexusgate/agent/resources /etc/nexusgate/sing-box
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install -d -m 0750 /var/log/nexusgate
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install -m 0644 "$tmp_dir/logrotate.conf" /etc/nexusgate/agent-logrotate.conf
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install -m 0755 "$tmp_dir/logrotate-setup.sh" /usr/local/sbin/ng-agent-logrotate-setup
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# sing-box 是唯一的入口引擎，安装时直接构建。
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NG_REPO="$REPO" NG_BRANCH="$BRANCH" ng-agent-singbox install || die 'sing-box 引擎安装失败；修复后运行 ng-agent engine install'
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info "向控制面注册"
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enroll_json="$(TOKEN_VALUE="$TOKEN" node -e 'process.stdout.write(JSON.stringify({token:process.env.TOKEN_VALUE,hostname:require("node:os").hostname(),version:"0.6.8",system:{platform:process.platform,arch:process.arch}}))')"
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response="$(curl -fsS -H 'content-type: application/json' --data "$enroll_json" "${CONTROLLER%/}/api/agent/enroll")" || die "注册失败，请检查地址和令牌"
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agent_key="$(RESPONSE_VALUE="$response" node -e 'const r=JSON.parse(process.env.RESPONSE_VALUE); if(!r.agentKey) process.exit(1); process.stdout.write(r.agentKey)')" || die "控制面返回无效"
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{
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printf 'NG_CONTROLLER=%q\n' "${CONTROLLER%/}"
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printf 'NG_AGENT_KEY=%q\n' "$agent_key"
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printf 'NG_CONFIG_DIR=/etc/nexusgate/agent\n'
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printf 'NG_KEY_FILE=/etc/nexusgate/keys.json\n'
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} > /etc/nexusgate/agent.env
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chmod 0600 /etc/nexusgate/agent.env
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if command -v systemctl >/dev/null && [[ -d /run/systemd/system ]]; then
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fetch systemd/nexusgate-agent.service /etc/systemd/system/nexusgate-agent.service
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fetch systemd/nexusgate-sing-box.service /etc/systemd/system/nexusgate-sing-box.service
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systemctl daemon-reload
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systemctl enable nexusgate-sing-box.service nexusgate-agent.service
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rm -f -- /etc/nexusgate/last-heartbeat.json
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systemctl restart nexusgate-sing-box.service
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systemctl restart nexusgate-agent.service
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service_manager="systemd"
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elif command -v rc-service >/dev/null; then
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install -d -m 0755 /etc/init.d
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fetch openrc/nexusgate-agent /etc/init.d/nexusgate-agent
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fetch openrc/nexusgate-sing-box /etc/init.d/nexusgate-sing-box
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chmod 0755 /etc/init.d/nexusgate-agent /etc/init.d/nexusgate-sing-box
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rc-update add nexusgate-sing-box default >/dev/null
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rc-update add nexusgate-agent default >/dev/null
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# Alpine runs the dedicated hourly task through BusyBox crond.
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if [[ -e /etc/init.d/crond ]]; then
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rc-update add crond default >/dev/null 2>&1 || true
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rc-service crond start >/dev/null 2>&1 || true
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fi
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rc-service nexusgate-sing-box restart
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rm -f -- /etc/nexusgate/last-heartbeat.json
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rc-service nexusgate-agent restart
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service_manager="OpenRC"
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else
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die "未检测到 systemd 或 OpenRC"
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fi
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ng-agent-logrotate-setup
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for _ in {1..35}; do
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[[ -s /etc/nexusgate/last-heartbeat.json ]] && break
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sleep 1
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done
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if [[ ! -s /etc/nexusgate/last-heartbeat.json ]]; then
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if [[ "$service_manager" == systemd ]]; then journalctl -u nexusgate-agent.service -n 35 --no-pager || true; fi
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die 'Agent 注册成功但没有向控制面上报心跳；运行 ng-agent doctor 排查后再重试'
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fi
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printf '\n\033[1;32mAgent 安装、注册和首次心跳完成（%s）。\033[0m\n' "$service_manager"
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printf '后续更新 Agent：ng-agent-update\n'
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printf '卸载 Agent：ng-agent uninstall\n'
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printf '检查 Agent 与 sing-box：ng-agent doctor\n'
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if [[ "$service_manager" == systemd ]] && ! systemctl is-active --quiet nexusgate-agent.service; then
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journalctl -u nexusgate-agent.service -n 35 --no-pager || true
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die 'Agent 注册已完成，但服务没有运行；请执行 ng-agent doctor 检查原因'
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fi
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