75 lines
2.4 KiB
Bash
75 lines
2.4 KiB
Bash
#!/bin/bash
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# ═══════════════════════════════════════════════════════════
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# 铸渊服务器健康检查脚本 · Server Health Check
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# ═══════════════════════════════════════════════════════════
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#
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# 由 cron 定时运行，检查所有服务状态
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# 建议添加到 crontab: */5 * * * * /opt/zhuyuan/scripts/health-check.sh
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#
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# 编号: ZY-SVR-HC-001
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# 守护: 铸渊 · ICE-GL-ZY001
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# ═══════════════════════════════════════════════════════════
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set -euo pipefail
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ZY_ROOT="/opt/zhuyuan"
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BRAIN_DIR="${ZY_ROOT}/brain"
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LOG_DIR="${ZY_ROOT}/data/logs"
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# ─── §1 检查Node.js应用 ───
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APP_STATUS="unknown"
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if curl -sf http://localhost:3800/api/health > /dev/null 2>&1; then
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APP_STATUS="running"
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else
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APP_STATUS="down"
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# 尝试自愈
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pm2 restart zhuyuan-server 2>>"${LOG_DIR}/pm2-recover.log" || \
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pm2 start "${ZY_ROOT}/config/pm2/ecosystem.config.js" 2>>"${LOG_DIR}/pm2-recover.log"
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sleep 3
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if curl -sf http://localhost:3800/api/health > /dev/null 2>&1; then
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APP_STATUS="recovered"
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fi
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fi
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# ─── §2 检查Nginx ───
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NGINX_STATUS="unknown"
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if systemctl is-active --quiet nginx; then
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NGINX_STATUS="running"
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else
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NGINX_STATUS="down"
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sudo systemctl restart nginx 2>/dev/null
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if systemctl is-active --quiet nginx; then
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NGINX_STATUS="recovered"
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fi
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fi
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# ─── §3 磁盘使用 ───
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DISK_USAGE=$(df / | awk 'NR==2{print $5}' | tr -d '%')
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# ─── §4 内存使用 ───
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MEM_TOTAL=$(free -m | awk 'NR==2{print $2}')
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MEM_USED=$(free -m | awk 'NR==2{print $3}')
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MEM_PCT=$((MEM_USED * 100 / MEM_TOTAL))
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# ─── §5 更新大脑健康状态 ───
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HEALTH_FILE="${BRAIN_DIR}/health.json"
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mkdir -p "${BRAIN_DIR}"
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cat > "${HEALTH_FILE}" << HEALTH_JSON
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{
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"server": "ZY-SVR-002",
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"status": "${APP_STATUS}",
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"last_check": "$(date -u +%Y-%m-%dT%H:%M:%SZ)",
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"services": {
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"app": "${APP_STATUS}",
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"nginx": "${NGINX_STATUS}"
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},
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"disk_usage": "${DISK_USAGE}%",
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"memory": {
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"total_mb": ${MEM_TOTAL},
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"used_mb": ${MEM_USED},
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"usage_pct": "${MEM_PCT}%"
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},
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"uptime": "$(uptime -p 2>/dev/null || echo 'unknown')"
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}
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HEALTH_JSON
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