实现 LightOps 运维面板基础功能

scripts/upgrade-agent.sh

@@ -0,0 +1,81 @@
+#!/usr/bin/env sh
+set -eu
+
+SERVER=""
+BIN_URL=""
+VERSION=""
+SHA256=""
+
+while [ "$#" -gt 0 ]; do
+  case "$1" in
+    --server) SERVER="$2"; shift 2 ;;
+    --bin-url) BIN_URL="$2"; shift 2 ;;
+    --version) VERSION="$2"; shift 2 ;;
+    --sha256) SHA256="$2"; shift 2 ;;
+    *) echo "未知参数：$1" >&2; exit 1 ;;
+  esac
+done
+
+if [ "$(id -u)" -ne 0 ]; then
+  echo "请使用 root 用户运行" >&2
+  exit 1
+fi
+
+if [ -z "$BIN_URL" ]; then
+  if [ -z "$SERVER" ]; then
+    if [ -f /etc/lightops/agent.toml ]; then
+      SERVER="$(awk -F= '/server_url/ { gsub(/[ "]/, "", $2); print $2; exit }' /etc/lightops/agent.toml)"
+    fi
+  fi
+  if [ -z "$SERVER" ]; then
+    echo "缺少 --server 或 --bin-url" >&2
+    exit 1
+  fi
+  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
+
+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"
+"$TMP_BIN" --version >/dev/null
+
+systemctl stop lightops-agent 2>/dev/null || true
+if [ -x /usr/local/bin/lightops-agent ]; then
+  BACKUP="/usr/local/bin/lightops-agent.bak.$(date +%Y%m%d%H%M%S)"
+  cp /usr/local/bin/lightops-agent "$BACKUP"
+else
+  BACKUP=""
+fi
+mv "$TMP_BIN" /usr/local/bin/lightops-agent
+
+if ! systemctl start lightops-agent; then
+  echo "新版本启动失败，正在回滚" >&2
+  if [ -n "$BACKUP" ]; then
+    cp "$BACKUP" /usr/local/bin/lightops-agent
+    systemctl start lightops-agent || true
+  fi
+  exit 1
+fi
+
+sleep 2
+if ! systemctl is-active --quiet lightops-agent; then
+  echo "新版本未保持运行，正在回滚" >&2
+  if [ -n "$BACKUP" ]; then
+    cp "$BACKUP" /usr/local/bin/lightops-agent
+    systemctl restart lightops-agent || true
+  fi
+  journalctl -u lightops-agent -n 80 --no-pager >&2 || true
+  exit 1
+fi
+
+echo "LightOps Agent 已升级"