实现 LightOps 运维面板基础功能

scripts/install-agent.sh

@@ -0,0 +1,108 @@
+#!/usr/bin/env sh
+set -eu
+
+SERVER=""
+TOKEN=""
+BIN_URL=""
+VERSION=""
+KEEP_CONFIG="0"
+SHA256=""
+
+while [ "$#" -gt 0 ]; do
+  case "$1" in
+    --server) SERVER="$2"; shift 2 ;;
+    --token) TOKEN="$2"; shift 2 ;;
+    --bin-url) BIN_URL="$2"; shift 2 ;;
+    --version) VERSION="$2"; shift 2 ;;
+    --sha256) SHA256="$2"; shift 2 ;;
+    --keep-config) KEEP_CONFIG="1"; shift 1 ;;
+    *) echo "未知参数：$1" >&2; exit 1 ;;
+  esac
+done
+
+if [ -z "$SERVER" ] || [ -z "$TOKEN" ]; then
+  echo "用法：install-agent.sh --server https://panel.example.com --token TOKEN [--bin-url URL]" >&2
+  exit 1
+fi
+
+if [ "$(id -u)" -ne 0 ]; then
+  echo "请使用 root 用户运行" >&2
+  exit 1
+fi
+
+install -d -m 0755 /etc/lightops /usr/local/bin
+
+if command -v systemctl >/dev/null 2>&1; then
+  systemctl stop lightops-agent 2>/dev/null || true
+fi
+
+if [ -z "$BIN_URL" ]; then
+  OS="$(uname -s | tr '[:upper:]' '[:lower:]')"
+  ARCH="$(uname -m)"
+  SUFFIX=""
+  if [ -n "$VERSION" ]; then
+    SUFFIX="-$VERSION"
+  fi
+  BIN_URL="$SERVER/downloads/lightops-agent-$OS-$ARCH$SUFFIX"
+fi
+
+if [ -n "$BIN_URL" ]; then
+  TMP_BIN="$(mktemp)"
+  echo "正在下载 Agent：$BIN_URL"
+  curl -fL --retry 3 --connect-timeout 10 "$BIN_URL" -o "$TMP_BIN"
+  if [ -n "$SHA256" ]; then
+    echo "$SHA256  $TMP_BIN" | sha256sum -c -
+  fi
+  chmod +x "$TMP_BIN"
+  if /usr/local/bin/lightops-agent --version >/dev/null 2>&1; then
+    cp /usr/local/bin/lightops-agent "/usr/local/bin/lightops-agent.bak.$(date +%Y%m%d%H%M%S)" || true
+  fi
+  mv "$TMP_BIN" /usr/local/bin/lightops-agent
+elif [ ! -x /usr/local/bin/lightops-agent ]; then
+  echo "未在 /usr/local/bin/lightops-agent 找到 lightops-agent 二进制文件"
+  echo "请先复制二进制文件，或传入 --bin-url https://.../lightops-agent"
+  exit 1
+fi
+
+if [ "$KEEP_CONFIG" != "1" ] || [ ! -f /etc/lightops/agent.toml ]; then
+  cat >/etc/lightops/agent.toml <<EOF
+server_url = "$SERVER"
+token = "$TOKEN"
+heartbeat_interval = 30
+EOF
+  chmod 0600 /etc/lightops/agent.toml
+fi
+
+cat >/etc/systemd/system/lightops-agent.service <<'EOF'
+[Unit]
+Description=LightOps Agent
+After=network-online.target
+Wants=network-online.target
+StartLimitIntervalSec=300
+StartLimitBurst=10
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/lightops-agent --config /etc/lightops/agent.toml
+Restart=always
+RestartSec=5
+KillSignal=SIGINT
+TimeoutStopSec=20
+User=root
+NoNewPrivileges=false
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+systemctl daemon-reload
+systemctl enable --now lightops-agent
+sleep 2
+if ! systemctl is-active --quiet lightops-agent; then
+  echo "Agent 启动失败，最近日志如下：" >&2
+  journalctl -u lightops-agent -n 80 --no-pager >&2 || true
+  exit 1
+fi
+
+echo "LightOps Agent 已安装并运行"
+systemctl status lightops-agent --no-pager