完成a6000测试系统构建、部署、测试整合 (#35)
测试方案： - lm2机器端口映射到本机：18080, 18081, 8082-8085 - 访问URL: http://localhost:18080/dashboard       端到端测试通过：  Co-authored-by: sundapeng.sdp <sundapeng@hashdata.cn> Reviewed-on: #35 Reviewed-by: xuxt <xuxt@zgclab.edu.cn> Reviewed-by: sundapeng <sundp@mail.zgclab.edu.cn> Reviewed-by: huhy <husteryezi@163.com>
This commit was merged in pull request #35.
This commit is contained in:
343
src/metric/client-plugins/all-in-one-full/plugins/node-exporter/install.sh
Executable file
343
src/metric/client-plugins/all-in-one-full/plugins/node-exporter/install.sh
Executable file
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#!/bin/bash
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set -e
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# 颜色定义
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# 日志函数
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log_info() {
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echo -e "${BLUE}[INFO]${NC} $1"
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}
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log_success() {
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echo -e "${GREEN}[SUCCESS]${NC} $1"
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}
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log_warning() {
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echo -e "${YELLOW}[WARNING]${NC} $1"
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}
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log_error() {
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echo -e "${RED}[ERROR]${NC} $1"
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}
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# 更新安装记录
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update_install_record() {
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local pid="$1"
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# 使用传入的安装目录参数，如果没有则使用默认值
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local install_base_dir="${2:-/opt/argus-metric/current}"
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local install_record="$install_base_dir/.install_record"
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# 如果安装记录文件不存在，说明是首次安装，由主安装脚本统一创建
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if [[ ! -f "$install_record" ]]; then
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log_info "安装记录文件不存在，将由主安装脚本创建"
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return 0
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fi
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# 如果文件存在，说明是重启场景，只更新 PID 字段
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if command -v jq &> /dev/null; then
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# 读取当前 PID
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local current_pid=$(jq -r '.components."node-exporter".pid // ""' "$install_record" 2>/dev/null)
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if [[ -z "$current_pid" ]]; then
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log_warning "无法读取当前 PID，跳过更新"
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return 1
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fi
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# 使用 jq 只更新 pid 字段，保持字符串类型，保留其他字段
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jq --arg new_pid "$pid" '.components."node-exporter".pid = $new_pid' "$install_record" > "$install_record.tmp" && mv "$install_record.tmp" "$install_record"
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log_info "PID 已更新: $current_pid -> $pid"
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else
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log_warning "jq 命令不可用，无法更新安装记录文件"
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fi
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}
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# 显示帮助信息
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show_help() {
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echo "Node Exporter 安装脚本"
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echo
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echo "用法: $0 [选项]"
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echo
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echo "选项:"
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echo " --help 显示此帮助信息"
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echo
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echo "示例:"
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echo " $0 # 安装 Node Exporter"
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echo
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}
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# 解析命令行参数
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INSTALL_DIR=""
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for arg in "$@"; do
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case $arg in
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--help|-h)
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show_help
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exit 0
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;;
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*)
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# 如果参数不是以--开头，则认为是安装目录
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if [[ ! "$arg" =~ ^-- ]]; then
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INSTALL_DIR="$arg"
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else
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log_error "未知参数: $arg"
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show_help
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exit 1
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fi
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;;
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esac
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done
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# 检查是否为 root 用户
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check_root() {
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if [[ $EUID -ne 0 ]]; then
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log_error "此脚本需要 root 权限运行"
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log_info "请使用: sudo $0"
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exit 1
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fi
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}
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# 检查系统要求
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check_system() {
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log_info "检查系统要求..."
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# 检查操作系统
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if [[ ! -f /etc/os-release ]]; then
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log_error "无法检测操作系统版本"
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exit 1
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fi
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source /etc/os-release
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log_info "检测到操作系统: $NAME $VERSION"
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# 检查是否为 Linux 系统
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if [[ "$ID" != "ubuntu" && "$ID" != "debian" && "$ID" != "centos" && "$ID" != "rhel" && "$ID" != "fedora" ]]; then
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log_warning "此脚本主要针对常见 Linux 发行版，其他系统可能需要调整"
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fi
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# 检查系统架构
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local arch=$(uname -m)
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log_info "系统架构: $arch"
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if [[ "$arch" != "x86_64" && "$arch" != "amd64" ]]; then
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log_warning "当前架构为 $arch，node_exporter 主要支持 x86_64/amd64"
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fi
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}
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stop_existing_service() {
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log_info "检查并停止可能运行的 Node Exporter 服务..."
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# 当前脚本 PID，防止误杀
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SELF_PID=$$
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# 1. 停止 systemd 服务（如果存在）
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if systemctl list-units --full -all | grep -q "node_exporter.service"; then
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log_info "检测到 systemd 服务 node_exporter，正在停止..."
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systemctl stop node_exporter || true
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systemctl disable node_exporter || true
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fi
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# 2. 清理可能存在的 PID 文件
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for pid_file in /var/run/node-exporter.pid /var/run/node_exporter.pid /tmp/node_exporter.pid; do
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if [[ -f "$pid_file" ]]; then
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local pid=$(cat "$pid_file")
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if kill -0 "$pid" 2>/dev/null; then
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log_info "发现 Node Exporter (PID: $pid)，正在停止..."
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kill "$pid"
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sleep 2
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kill -0 "$pid" 2>/dev/null && kill -9 "$pid"
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fi
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rm -f "$pid_file"
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fi
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done
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# 3. 用 pgrep 查找进程，排除当前脚本
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local pids=$(pgrep -f "node_exporter|node-exporter|/usr/local/bin/node-exporter" | grep -vw "$SELF_PID" || true)
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if [[ -n "$pids" ]]; then
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log_info "发现 Node Exporter 进程 (PID: $pids)，正在停止..."
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for pid in $pids; do
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if kill -0 "$pid" 2>/dev/null; then
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kill "$pid" 2>/dev/null || true
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sleep 1
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kill -0 "$pid" 2>/dev/null && kill -9 "$pid" 2>/dev/null || true
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fi
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done
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fi
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# 4. 兜底：检查是否有进程占用 9100 端口
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local listen_pids=$(lsof -ti:9100 2>/dev/null || true)
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if [[ -n "$listen_pids" ]]; then
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log_warning "发现占用 9100 端口的进程 (PID: $listen_pids)，强制终止..."
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for pid in $listen_pids; do
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kill -9 "$pid" 2>/dev/null || true
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done
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sleep 1
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fi
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# 5. 最终验证
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if netstat -tuln 2>/dev/null | grep -q ":9100 "; then
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log_error "端口 9100 仍被占用，请手动检查"
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return 1
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else
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log_success "旧的 Node Exporter 已完全停止"
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fi
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}
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# 安装 Node Exporter 二进制文件
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install_node_exporter() {
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log_info "安装 Node Exporter..."
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local binary_file="bin/node_exporter"
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local install_dir="/usr/local/bin"
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if [[ ! -f "$binary_file" ]]; then
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log_error "找不到 Node Exporter 二进制文件: $binary_file"
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exit 1
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fi
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# 停止可能运行的服务
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stop_existing_service
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# 复制二进制文件并重命名为统一格式
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cp "$binary_file" "$install_dir/node-exporter"
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chmod +x "$install_dir/node-exporter"
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log_success "Node Exporter 二进制文件安装完成"
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}
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# 创建用户和组
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create_user() {
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log_info "创建 node_exporter 用户..."
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# 检查用户是否已存在
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if id "node_exporter" &>/dev/null; then
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log_info "用户 node_exporter 已存在"
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else
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useradd --no-create-home --shell /bin/false node_exporter
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log_success "用户 node_exporter 创建完成"
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fi
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}
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# 安装配置文件
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install_config() {
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log_info "安装配置文件..."
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local config_dir="/etc/node_exporter"
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# 创建配置目录
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mkdir -p "$config_dir"
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# 创建文本文件收集器目录
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mkdir -p "/var/lib/node_exporter/textfile_collector"
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chown node_exporter:node_exporter "/var/lib/node_exporter/textfile_collector"
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}
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# 启动 Node Exporter 服务
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start_node_exporter() {
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log_info "启动 Node Exporter 服务..."
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local binary_path="/usr/local/bin/node-exporter"
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local log_file="/var/log/node-exporter.log"
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local pid_file="/var/run/node-exporter.pid"
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# 检查服务是否已经在运行
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if [[ -f "$pid_file" ]]; then
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local pid=$(cat "$pid_file")
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if kill -0 "$pid" 2>/dev/null; then
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log_info "Node Exporter 服务已在运行 (PID: $pid)"
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return 0
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else
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log_warning "发现过期的 PID 文件，正在清理..."
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rm -f "$pid_file"
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fi
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fi
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# 检查端口是否被占用
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if netstat -tuln 2>/dev/null | grep -q ":9100 "; then
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log_warning "端口 9100 已被占用，请检查是否有其他服务在运行"
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return 1
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fi
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# 启动服务
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log_info "正在启动 Node Exporter..."
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nohup "$binary_path" --web.listen-address=:9100 > "$log_file" 2>&1 &
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local pid=$!
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# 保存 PID
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echo "$pid" > "$pid_file"
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# 等待服务启动
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sleep 2
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# 检查服务是否成功启动
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if kill -0 "$pid" 2>/dev/null; then
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log_success "Node Exporter 服务启动成功 (PID: $pid)"
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log_info "日志文件: $log_file"
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log_info "PID 文件: $pid_file"
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# 更新安装记录
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update_install_record "$pid" "$INSTALL_DIR"
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else
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log_error "Node Exporter 服务启动失败"
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rm -f "$pid_file"
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return 1
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fi
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}
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# 显示安装信息
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show_install_info() {
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log_success "Node Exporter 安装完成！"
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echo
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echo "安装信息:"
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echo " 二进制文件: /usr/local/bin/node-exporter"
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echo " 运行用户: node_exporter"
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echo " 配置目录: /etc/node_exporter/"
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echo " 默认端口: 9100"
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echo
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echo "使用方法:"
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echo " 手动启动: /usr/local/bin/node-exporter --web.listen-address=:9100"
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echo " 后台启动: nohup /usr/local/bin/node-exporter --web.listen-address=:9100 &"
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echo
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echo "测试连接:"
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echo " curl http://localhost:9100/metrics"
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echo " curl http://localhost:9100"
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echo
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echo "Prometheus 配置示例:"
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echo " - job_name: 'node_exporter'"
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echo " static_configs:"
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echo " - targets: ['localhost:9100']"
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echo
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}
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# 主函数
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main() {
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echo "=========================================="
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echo " Node Exporter 安装脚本 v1.0"
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echo "=========================================="
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echo
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check_root
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check_system
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log_info "开始安装 Node Exporter..."
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install_node_exporter
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create_user
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install_config
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start_node_exporter
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show_install_info
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}
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# 脚本入口
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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main "$@"
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fi
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Reference in New Issue
Block a user