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#!/usr/bin/env bash
# Install Server Monitor as a systemd service.
set -euo pipefail
if [[ "${EUID}" -ne 0 ]]; then
echo "请使用 root 运行:sudo ./install.sh" >&2
exit 1
fi
if ! command -v systemctl >/dev/null 2>&1; then
echo "未找到 systemctl,此脚本需要 systemd。" >&2
exit 1
fi
if ! command -v python3 >/dev/null 2>&1; then
echo "未找到 python3,请先安装 Python 3.8+。" >&2
exit 1
fi
if ! python3 -c 'import sys; raise SystemExit(0 if sys.version_info >= (3, 8) else 1)'; then
echo "Python 版本过低,需要 3.8 或更新版本。" >&2
exit 1
fi
SOURCE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd -P)"
TARGET_DIR="/opt/server-monitor"
UNIT_PATH="/etc/systemd/system/server-monitor.service"
ENV_PATH="/etc/server-monitor.env"
for required in monitor.py servermon web deploy/server-monitor.service; do
if [[ ! -e "${SOURCE_DIR}/${required}" ]]; then
echo "安装文件不完整,缺少: ${SOURCE_DIR}/${required}" >&2
echo "请在完整仓库目录中运行安装脚本。" >&2
exit 1
fi
done
install -d -m 0755 "${TARGET_DIR}"
TARGET_DIR="$(cd "${TARGET_DIR}" && pwd -P)"
if [[ "${SOURCE_DIR}" == "${TARGET_DIR}" ]]; then
# The repository is already installed at /opt/server-monitor (a common
# deployment). Copying a file onto itself would make install(1) fail and
# deleting the target directories would delete the source we are running
# from, so only install the systemd unit in this case.
echo "当前目录就是安装目录 ${TARGET_DIR},跳过文件复制。"
else
install -m 0755 "${SOURCE_DIR}/monitor.py" "${TARGET_DIR}/monitor.py"
rm -rf "${TARGET_DIR}/servermon" "${TARGET_DIR}/web"
cp -a "${SOURCE_DIR}/servermon" "${TARGET_DIR}/servermon"
cp -a "${SOURCE_DIR}/web" "${TARGET_DIR}/web"
install -m 0644 "${SOURCE_DIR}/README.md" "${TARGET_DIR}/README.md"
fi
if [[ ! -f "${ENV_PATH}" ]]; then
cat >"${ENV_PATH}" <<'EOF'
# Server Monitor 环境变量(可选)
# 取消下一行注释并改成自己的凭据即可启用 HTTP Basic 认证:
# SERVER_MONITOR_AUTH=admin:change-me
EOF
chmod 0600 "${ENV_PATH}"
fi
install -m 0644 "${SOURCE_DIR}/deploy/server-monitor.service" "${UNIT_PATH}"
systemctl daemon-reload
systemctl enable --now server-monitor.service
systemctl restart server-monitor.service
echo
echo "Server Monitor 已安装并启动。"
echo " 访问: http://<服务器IP>:8787/"
echo " 状态: systemctl status server-monitor --no-pager"
echo " 日志: journalctl -u server-monitor -f"
echo " 认证: 编辑 ${ENV_PATH} 后 systemctl restart server-monitor"
echo
systemctl --no-pager --lines=0 status server-monitor.service || true