752 lines
22 KiB
Bash
752 lines
22 KiB
Bash
#!/bin/bash
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# ============================================================================
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# Sun HPC 系统初始化脚本
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# 功能：系统安装完成后自动配置 HPC 计算节点环境
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# 版本：1.0
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# ============================================================================
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set -e
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# ============================================================================
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# 配置变量（根据实际环境修改）
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# ============================================================================
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# 日志文件
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LOG_FILE="/var/log/sunhpc-init.log"
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FRONTEND_IP='@osipaddr@'
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# HTTP 服务器地址
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HTTP_SERVER="http://${FRONTEND_IP}"
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# YUM 仓库配置
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YUM_REPO_NAME="sunhpc-local"
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YUM_REPO_BASEURL="${HTTP_SERVER}/@ospath@"
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YUM_REPO_GPGCHECK=0
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# 主机名映射文件（在 HTTP 服务器上）
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HOSTNAME_MAP_URL="${HTTP_SERVER}/ks/hostname-map.txt"
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# MOTD 文件 URL
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MOTD_URL="${HTTP_SERVER}/ks/motd"
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# NTP 服务器
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NTP_SERVER="ntp.aliyun.com"
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# DNS 服务器
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DNS_SERVERS="114.114.114.114 223.5.5.5"
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# ============================================================================
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# 颜色输出函数
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# ============================================================================
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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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log_info() {
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echo -e "${GREEN}[INFO]${NC} $(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a $LOG_FILE
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}
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log_warn() {
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echo -e "${YELLOW}[WARN]${NC} $(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a $LOG_FILE
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}
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log_error() {
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echo -e "${RED}[ERROR]${NC} $(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a $LOG_FILE
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}
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log_step() {
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echo -e "${BLUE}[STEP]${NC} $(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a $LOG_FILE
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}
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# ============================================================================
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# 基础环境准备
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# ============================================================================
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init_log() {
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# 创建日志文件
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touch $LOG_FILE
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chmod 644 $LOG_FILE
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log_info "=========================================="
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log_info "Sun HPC Node Initialization Started"
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log_info "=========================================="
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}
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check_network() {
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log_step "Checking network connectivity..."
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# 测试网络连接
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if ping -c 1 -W 3 FRONTEND_IP &>/dev/null; then
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log_info "Network connectivity: OK"
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return 0
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else
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log_warn "Cannot reach HTTP server, will retry later"
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return 1
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fi
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}
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# ============================================================================
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# 1. 创建 .sunhpc-release 文件
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# ============================================================================
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create_release_file() {
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log_step "Creating .sunhpc-release file..."
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cat > /.sunhpc-release << EOF
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Sun HPC Platform Release 1.0
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Build Date: $(date '+%Y-%m-%d %H:%M:%S')
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Hostname: $(hostname)
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Kernel: $(uname -r)
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Architecture: $(uname -m)
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EOF
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chmod 644 /.sunhpc-release
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log_info "Created /.sunhpc-release file"
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}
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# ============================================================================
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# 2. 配置主机名和 /etc/hosts
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# ============================================================================
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configure_hostname() {
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log_step "Configuring hostname and /etc/hosts..."
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local mac=$(ip link show | grep -oP 'ether \K[0-9a-f:]+' | head -1 | tr '[:upper:]' '[:lower:]')
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local hostname=""
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# 从 HTTP 服务器获取主机名映射
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if check_network; then
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# 下载主机名映射文件
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local map_file="/tmp/hostname-map.txt"
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curl -s -o "$map_file" "$HOSTNAME_MAP_URL" 2>/dev/null
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if [[ -f "$map_file" ]]; then
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# 根据 MAC 地址查找主机名
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hostname=$(grep -i "$mac" "$map_file" | awk '{print $2}' | head -1)
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# 如果没有找到，根据 IP 最后一段生成
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if [[ -z "$hostname" ]]; then
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local ip_addr=$(ip -4 addr show | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '127.0.0.1' | head -1)
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local ip_last=$(echo $ip_addr | awk -F'.' '{print $4}')
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hostname="cn$(printf "%03d" $ip_last)"
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log_warn "No hostname mapping for MAC $mac, using generated: $hostname"
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fi
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else
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log_warn "Cannot download hostname map, using default"
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local ip_addr=$(ip -4 addr show | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '127.0.0.1' | head -1)
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local ip_last=$(echo $ip_addr | awk -F'.' '{print $4}')
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hostname="cn$(printf "%03d" $ip_last)"
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fi
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else
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# 网络不通时使用默认主机名
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hostname="node-$(hostname -s)"
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fi
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# 设置主机名
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hostnamectl set-hostname "$hostname"
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log_info "Hostname set to: $hostname"
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# 备份原始 hosts 文件
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cp /etc/hosts /etc/hosts.bak.$(date +%Y%m%d)
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# 构建新的 hosts 文件
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cat > /etc/hosts << EOF
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127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
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::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
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# Sun HPC Node Configuration
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$ip_addr $hostname
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# Management Node
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$FRONTEND_IP cluster
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# Optional: Add other compute nodes here
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EOF
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# 尝试下载完整的集群 hosts 文件
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if check_network; then
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local cluster_hosts="${HTTP_SERVER}/ks/cluster-hosts.txt"
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if wget --spider -q "$cluster_hosts" 2>/dev/null; then
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wget -q -O /tmp/cluster-hosts.txt "$cluster_hosts"
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cat /tmp/cluster-hosts.txt >> /etc/hosts
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log_info "Downloaded cluster hosts configuration"
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else
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log_warn "$cluster_hosts not found on server."
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fi
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fi
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log_info "Updated /etc/hosts"
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}
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# ============================================================================
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# 3. 配置 MOTD (Message of The Day)
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# ============================================================================
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configure_motd() {
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log_step "Configuring MOTD..."
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# 备份原始 MOTD
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if [[ -f /etc/motd ]]; then
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cp /etc/motd /etc/motd.bak.$(date +%Y%m%d)
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fi
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# 尝试从服务器下载 MOTD
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if check_network; then
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if wget --spider -q "$MOTD_URL" 2>/dev/null; then
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wget -q -O /etc/motd "$MOTD_URL"
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log_info "Downloaded MOTD from server"
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else
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log_warn "Cannot download MOTD, creating default"
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create_default_motd
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fi
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else
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create_default_motd
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fi
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chmod 644 /etc/motd
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}
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create_default_motd() {
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cat > /etc/motd << EOF
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===========================================================
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Sun HPC Platform - Compute Node
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===========================================================
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Welcome to Sun High Performance Computing Cluster
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System Information:
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--------------------
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Hostname....: $(hostname)
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IP Address..: $(ip -4 addr show | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '127.0.0.1' | head -1)
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OS Version..: $(cat /etc/redhat-release 2>/dev/null || echo "Rocky Linux")
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Kernel......: $(uname -r)
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Architecture: $(uname -m)
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CPU Cores...: $(nproc)
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Memory......: $(free -h | awk '/^Mem:/{print $2}')
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Important URLs:
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--------------------
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• Documentation : http://172.16.9.254/docs
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• Job Submission : http://172.16.9.254/slurm
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• Monitoring: http : http://172.16.9.254/monitor
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Slurm Commands:
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--------------------
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sinfo - View partition information
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squeue - View job queue
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srun - Run interactive job
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sbatch - Submit batch job
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scancel - Cancel job
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===========================================================
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* Unauthorized access is prohibited
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* All activities are logged and monitored
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* For support: hpc@sun.com or ext. 12345
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===========================================================
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EOF
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}
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# ============================================================================
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# 4. 配置 YUM 本地仓库
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# ============================================================================
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configure_yum_repo() {
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log_step "Configuring YUM repository..."
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local repo_file="/etc/yum.repos.d/${YUM_REPO_NAME}.repo"
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# 备份现有 repo 文件
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if [[ -f "$repo_file" ]]; then
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cp "$repo_file" "${repo_file}.bak.$(date +%Y%m%d)"
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fi
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# 创建仓库配置文件
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cat > "$repo_file" << EOF
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[${YUM_REPO_NAME}]
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name=Sun HPC Local Repository
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baseurl=${YUM_REPO_BASEURL}
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enabled=1
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gpgcheck=${YUM_REPO_GPGCHECK}
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priority=1
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EOF
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# 如果是 Rocky 8/9，可能需要配置 appstream
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if [[ -d "/etc/yum.repos.d" ]]; then
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local appstream_repo="/etc/yum.repos.d/${YUM_REPO_NAME}-appstream.repo"
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cat > "$appstream_repo" << EOF
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[${YUM_REPO_NAME}-appstream]
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name=Sun HPC Local AppStream Repository
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baseurl=${YUM_REPO_BASEURL}-appstream
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enabled=1
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gpgcheck=${YUM_REPO_GPGCHECK}
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priority=1
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EOF
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fi
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# 清理 YUM 缓存并测试
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yum clean all &>/dev/null
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yum makecache &>/dev/null
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if [[ $? -eq 0 ]]; then
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log_info "YUM repository configured successfully"
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else
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log_warn "YUM repository configured but cache generation failed (network may be down)"
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fi
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# 显示启用的仓库
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log_info "Enabled repositories:"
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yum repolist 2>/dev/null | grep -E "^${YUM_REPO_NAME}" | tee -a $LOG_FILE
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}
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# ============================================================================
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# 5. 配置 DNS 解析
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# ============================================================================
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configure_dns() {
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log_step "Configuring DNS resolution..."
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# 备份 resolv.conf
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cp /etc/resolv.conf /etc/resolv.conf.bak.$(date +%Y%m%d) 2>/dev/null || true
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# 配置 DNS
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cat > /etc/resolv.conf << EOF
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# Sun HPC DNS Configuration
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nameserver ${DNS_SERVERS%% *}
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$(for dns in ${DNS_SERVERS}; do echo "nameserver $dns"; done | tail -n +2)
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# Local domain
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search sunhpc.local local
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EOF
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# 防止 NetworkManager 覆盖 resolv.conf
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if [[ -f /etc/NetworkManager/NetworkManager.conf ]]; then
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if ! grep -q "dns=none" /etc/NetworkManager/NetworkManager.conf; then
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sed -i '/^\[main\]/a dns=none' /etc/NetworkManager/NetworkManager.conf
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systemctl restart NetworkManager 2>/dev/null || true
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fi
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fi
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log_info "DNS configured: ${DNS_SERVERS}"
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}
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# ============================================================================
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# 6. 配置 NTP 时间同步
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# ============================================================================
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configure_ntp() {
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log_step "Configuring NTP time synchronization..."
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# 使用 chrony (Rocky 8/9 默认)
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if command -v chronyd &>/dev/null; then
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# 备份配置
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cp /etc/chrony.conf /etc/chrony.conf.bak.$(date +%Y%m%d)
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# 配置 chrony
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cat > /etc/chrony.conf << EOF
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# Sun HPC NTP Configuration
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server ${NTP_SERVER} iburst
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pool 2.rocky.pool.ntp.org iburst
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# Record the rate at which the system clock gains/losses time.
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driftfile /var/lib/chrony/drift
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# Allow the system clock to be stepped in the first three updates
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makestep 1.0 3
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# Enable kernel synchronization of the real-time clock (RTC)
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rtcsync
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# Specify file containing keys for NTP authentication
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keyfile /etc/chrony.keys
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# Specify directory for log files
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logdir /var/log/chrony
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EOF
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# 重启 chrony
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systemctl restart chronyd &>/dev/null
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systemctl enable chronyd &>/dev/null
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log_info "Chrony NTP configured with server: ${NTP_SERVER}"
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else
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# 使用 ntpd (旧系统)
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if command -v ntpd &>/dev/null; then
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cat > /etc/ntp.conf << EOF
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server ${NTP_SERVER} iburst
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restrict default nomodify notrap nopeer noquery
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restrict 127.0.0.1
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restrict ::1
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driftfile /var/lib/ntp/drift
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EOF
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systemctl restart ntpd &>/dev/null
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systemctl enable ntpd &>/dev/null
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log_info "NTP configured with server: ${NTP_SERVER}"
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else
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log_warn "No NTP service found (chronyd or ntpd)"
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fi
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fi
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}
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# ============================================================================
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# 7. 配置 SSH 服务
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# ============================================================================
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configure_ssh() {
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log_step "Configuring SSH service..."
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# 备份配置
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cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak.$(date +%Y%m%d)
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# 优化 SSH 配置
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sed -i 's/#PermitRootLogin.*/PermitRootLogin prohibit-password/' /etc/ssh/sshd_config
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sed -i 's/#PubkeyAuthentication.*/PubkeyAuthentication yes/' /etc/ssh/sshd_config
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sed -i 's/#PasswordAuthentication.*/PasswordAuthentication no/' /etc/ssh/sshd_config
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sed -i 's/#UseDNS.*/UseDNS no/' /etc/ssh/sshd_config
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sed -i 's/#GSSAPIAuthentication.*/GSSAPIAuthentication no/' /etc/ssh/sshd_config
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# 重启 SSH 服务
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systemctl restart sshd &>/dev/null
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log_info "SSH service configured"
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}
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# ============================================================================
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# 8. 配置防火墙
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# ============================================================================
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configure_firewall() {
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log_step "Configuring firewall..."
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# 检查 firewalld 是否运行
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if systemctl is-active firewalld &>/dev/null; then
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# 开放常用端口
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firewall-cmd --permanent --add-service=ssh &>/dev/null
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firewall-cmd --permanent --add-service=dhcp &>/dev/null
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firewall-cmd --permanent --add-port=873/tcp &>/dev/null # rsync
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firewall-cmd --permanent --add-port=111/udp &>/dev/null # rpcbind
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# 重新加载
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firewall-cmd --reload &>/dev/null
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log_info "Firewall configured"
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else
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log_warn "Firewalld not running, skipping configuration"
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fi
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}
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# ============================================================================
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# 9. 安装常用软件包
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# ============================================================================
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install_packages() {
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log_step "Installing common packages..."
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local packages=(
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wget curl vim nano
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htop iotop iftop
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net-tools bind-utils
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telnet nc tcpdump
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rsync tree lsof
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gcc make autoconf automake
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openssl-devel zlib-devel
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nfs-utils cifs-utils
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ntpdate
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)
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if check_network; then
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for pkg in "${packages[@]}"; do
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if rpm -q "$pkg" &>/dev/null; then
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log_info "Package already installed: $pkg"
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else
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log_info "Installing package: $pkg"
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yum install -y "$pkg" &>> $LOG_FILE || log_warn "Failed to install: $pkg"
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fi
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done
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else
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log_warn "Network unavailable, skipping package installation"
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fi
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}
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# ============================================================================
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# 11. 配置用户环境
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# ============================================================================
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configure_user_env() {
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log_step "Configuring user environment..."
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# 创建共享目录
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mkdir -p /share/{apps,home}
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mkdir -p /state/partition1/{tmp,work}
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# 设置权限
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chmod 755 /share
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chmod 1777 /state/partition1/tmp
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# 配置全局环境变量
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cat > /etc/profile.d/sunhpc.sh << 'EOF'
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# Sun HPC Environment Variables
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export SHARE_HOME=/share
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export STATE_HOME=/state/partition1
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EOF
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chmod 644 /etc/profile.d/sunhpc.sh
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log_info "User environment configured"
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}
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# ============================================================================
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# 12. 配置系统优化参数
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# ============================================================================
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configure_sysctl() {
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log_step "Configuring system optimization..."
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cat > /etc/sysctl.d/99-sunhpc.conf << EOF
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# Sun HPC System Optimization
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# Network optimization
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net.core.rmem_max = 134217728
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net.core.wmem_max = 134217728
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net.ipv4.tcp_rmem = 4096 87380 134217728
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net.ipv4.tcp_wmem = 4096 65536 134217728
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net.core.netdev_max_backlog = 5000
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net.ipv4.tcp_max_syn_backlog = 8192
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net.ipv4.tcp_sack = 1
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||
net.ipv4.tcp_timestamps = 1
|
||
|
||
# Memory optimization
|
||
vm.swappiness = 10
|
||
vm.dirty_ratio = 30
|
||
vm.dirty_background_ratio = 5
|
||
vm.vfs_cache_pressure = 50
|
||
|
||
# File system
|
||
fs.file-max = 1048576
|
||
fs.inotify.max_user_watches = 1048576
|
||
|
||
# Process scheduler
|
||
kernel.sched_autogroup_enabled = 0
|
||
kernel.sched_migration_cost_ns = 5000000
|
||
EOF
|
||
|
||
sysctl -p /etc/sysctl.d/99-sunhpc.conf &>/dev/null
|
||
log_info "System optimization configured"
|
||
}
|
||
|
||
# ============================================================================
|
||
# 13. 配置系统限制
|
||
# ============================================================================
|
||
|
||
configure_limits() {
|
||
log_step "Configuring system limits..."
|
||
|
||
cat > /etc/security/limits.d/99-sunhpc.conf << EOF
|
||
# Sun HPC System Limits
|
||
* soft nofile 1048576
|
||
* hard nofile 1048576
|
||
* soft nproc 131072
|
||
* hard nproc 131072
|
||
* soft memlock unlimited
|
||
* hard memlock unlimited
|
||
root soft nofile 1048576
|
||
root hard nofile 1048576
|
||
EOF
|
||
|
||
log_info "System limits configured"
|
||
}
|
||
|
||
# ============================================================================
|
||
# 14. 配置定时任务
|
||
# ============================================================================
|
||
|
||
configure_crontab() {
|
||
log_step "Configuring cron jobs..."
|
||
|
||
cat > /etc/cron.d/sunhpc << EOF
|
||
# Sun HPC Cron Jobs
|
||
|
||
# Sync time every hour
|
||
0 * * * * root /usr/sbin/chronyc -a makestep &>/dev/null
|
||
|
||
# Clean old logs daily
|
||
0 2 * * * root find /var/log -name "*.log" -mtime +30 -delete 2>/dev/null
|
||
|
||
# Report node status every 5 minutes
|
||
*/5 * * * * root /usr/local/bin/node-status-report &>/dev/null
|
||
EOF
|
||
|
||
chmod 644 /etc/cron.d/sunhpc
|
||
log_info "Cron jobs configured"
|
||
}
|
||
|
||
# ============================================================================
|
||
# 15. 创建节点状态上报脚本
|
||
# ============================================================================
|
||
|
||
create_report_script() {
|
||
log_step "Creating node status report script..."
|
||
|
||
cat > /usr/local/bin/node-status-report << 'EOF'
|
||
#!/bin/bash
|
||
# Node status report script for Sun HPC
|
||
|
||
HTTP_SERVER="http://172.16.9.254"
|
||
NODE_NAME=$(hostname)
|
||
IP_ADDR=$(ip -4 addr show | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '127.0.0.1' | head -1)
|
||
LOAD_AVG=$(uptime | awk -F'load average:' '{print $2}' | cut -d, -f1)
|
||
MEM_TOTAL=$(free -g | awk '/^Mem:/{print $2}')
|
||
MEM_USED=$(free -g | awk '/^Mem:/{print $3}')
|
||
DISK_USED=$(df -h / | awk 'NR==2{print $5}' | sed 's/%//')
|
||
SLURM_STATUS=$(systemctl is-active slurm-slurmd 2>/dev/null || echo "unknown")
|
||
|
||
# Build status JSON
|
||
STATUS_JSON="{\"node\":\"$NODE_NAME\",\"ip\":\"$IP_ADDR\",\"load\":$LOAD_AVG,\"mem_total\":$MEM_TOTAL,\"mem_used\":$MEM_USED,\"disk_used\":$DISK_USED,\"slurm\":\"$SLURM_STATUS\",\"timestamp\":\"$(date -Iseconds)\"}"
|
||
|
||
# Send to management node
|
||
curl -s -X POST -H "Content-Type: application/json" -d "$STATUS_JSON" ${HTTP_SERVER}/api/node-status &>/dev/null
|
||
EOF
|
||
|
||
chmod +x /usr/local/bin/node-status-report
|
||
log_info "Node status report script created"
|
||
}
|
||
|
||
# ============================================================================
|
||
# 16. 配置日志轮转
|
||
# ============================================================================
|
||
|
||
configure_logrotate() {
|
||
log_step "Configuring log rotation..."
|
||
|
||
cat > /etc/logrotate.d/sunhpc << EOF
|
||
/var/log/sunhpc-init.log {
|
||
daily
|
||
rotate 30
|
||
compress
|
||
delaycompress
|
||
missingok
|
||
notifempty
|
||
create 644 root root
|
||
}
|
||
EOF
|
||
|
||
log_info "Log rotation configured"
|
||
}
|
||
|
||
# ============================================================================
|
||
# 17. 清理临时文件
|
||
# ============================================================================
|
||
|
||
cleanup() {
|
||
log_step "Cleaning up temporary files..."
|
||
|
||
# 删除临时文件
|
||
rm -f /tmp/hostname-map.txt 2>/dev/null
|
||
rm -f /tmp/cluster-hosts.txt 2>/dev/null
|
||
|
||
# 清除 YUM 缓存
|
||
yum clean all &>/dev/null
|
||
|
||
log_info "Cleanup completed"
|
||
}
|
||
|
||
# ============================================================================
|
||
# 18. 生成初始化完成报告
|
||
# ============================================================================
|
||
|
||
generate_report() {
|
||
log_step "Generating initialization report..."
|
||
|
||
cat > /root/init-report.txt << EOF
|
||
===========================================
|
||
Sun HPC Node Initialization Report
|
||
===========================================
|
||
Init Time: $(date '+%Y-%m-%d %H:%M:%S')
|
||
Hostname: $(hostname)
|
||
IP Address: $(ip -4 addr show | grep -oP '(?<=inet\s)\d+(\.\d+){3}' | grep -v '127.0.0.1' | head -1)
|
||
MAC Address: $(ip link show | grep -oP 'ether \K[0-9a-f:]+' | head -1)
|
||
|
||
Services Status:
|
||
- NetworkManager: $(systemctl is-active NetworkManager)
|
||
- chronyd: $(systemctl is-active chronyd 2>/dev/null || echo "stopped")
|
||
- sshd: $(systemctl is-active sshd)
|
||
- slurm-slurmd: $(systemctl is-active slurm-slurmd 2>/dev/null || echo "stopped")
|
||
- firewalld: $(systemctl is-active firewalld)
|
||
|
||
YUM Repositories:
|
||
$(yum repolist)
|
||
|
||
Files Created:
|
||
- /.sunhpc-release
|
||
- /etc/hosts (updated)
|
||
- /etc/motd (updated)
|
||
- /etc/yum.repos.d/sunhpc-local.repo
|
||
- /etc/chrony.conf (updated)
|
||
- /etc/security/limits.d/99-sunhpc.conf
|
||
- /etc/sysctl.d/99-sunhpc.conf
|
||
|
||
===========================================
|
||
EOF
|
||
|
||
cat /root/init-report.txt >> $LOG_FILE
|
||
log_info "Initialization report saved to /root/init-report.txt"
|
||
}
|
||
|
||
# ============================================================================
|
||
# 主函数
|
||
# ============================================================================
|
||
|
||
main() {
|
||
log_info "Starting Sun HPC node initialization..."
|
||
|
||
# 执行所有初始化步骤
|
||
init_log
|
||
check_network
|
||
create_release_file
|
||
configure_hostname
|
||
configure_motd
|
||
configure_yum_repo
|
||
configure_dns
|
||
configure_ntp
|
||
configure_ssh
|
||
configure_firewall
|
||
install_packages
|
||
configure_slurm
|
||
configure_user_env
|
||
configure_sysctl
|
||
configure_limits
|
||
configure_crontab
|
||
create_report_script
|
||
configure_logrotate
|
||
cleanup
|
||
generate_report
|
||
|
||
log_info "=========================================="
|
||
log_info "Sun HPC node initialization completed!"
|
||
log_info "=========================================="
|
||
|
||
# 显示关键信息
|
||
echo ""
|
||
echo -e "${GREEN}=== Initialization Complete ===${NC}"
|
||
echo -e "Hostname: $(hostname)"
|
||
echo -e "Release file: $(cat /.sunhpc-release | head -1)"
|
||
echo -e "Log file: $LOG_FILE"
|
||
echo -e "Report: /root/init-report.txt"
|
||
echo ""
|
||
}
|
||
|
||
# ============================================================================
|
||
# 脚本入口
|
||
# ============================================================================
|
||
|
||
# 检查是否需要重启
|
||
if [[ "$1" == "--reboot" ]]; then
|
||
main
|
||
log_info "Rebooting in 5 seconds..."
|
||
sleep 5
|
||
reboot
|
||
else
|
||
main
|
||
log_info "Initialization completed. You may reboot if needed."
|
||
fi
|