33 lines
1.2 KiB
Bash
Executable File
33 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# 巡检：健康端点 + 磁盘水位告警。失败/越线写 ALERT.log（供总管日检）。
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# 建议 cron：*/5 * * * * /path/to/deploy/monitor.sh >/dev/null 2>&1
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set -euo pipefail
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ROOT="$(cd "$(dirname "$0")" && pwd)"
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URL="${HEALTH_URL:-http://127.0.0.1:4173/}"
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DATA_DIR="${DATA_DIR:-$ROOT/../data}"
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ALERT="$ROOT/ALERT.log"
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DISK_THRESHOLD="${DISK_THRESHOLD:-80}"
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now() { date "+%Y-%m-%d %H:%M:%S"; }
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# 1) 健康检查：HTTP 200 才算通过
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if ! curl -fsS -m 8 -o /dev/null "$URL"; then
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echo "[$(now)] HEALTH FAIL: $URL 无响应" >> "$ALERT"
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exit 1
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fi
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# 2) 磁盘水位：数据所在分区使用率超阈值告警
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pct="$(df -P "$DATA_DIR" | awk 'NR==2 {gsub("%",""); print $5}')"
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if [ "${pct:-0}" -ge "$DISK_THRESHOLD" ]; then
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echo "[$(now)] DISK ALERT: $DATA_DIR 使用率 ${pct}% >= ${DISK_THRESHOLD}%" >> "$ALERT"
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exit 2
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fi
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# 3) 容器状态：非 running/restarting 告警
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state="$(docker inspect -f '{{.State.Status}}' "${CONTAINER:-caiwuzongzhang-app}" 2>/dev/null || echo missing)"
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if [ "$state" != "running" ]; then
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echo "[$(now)] CONTAINER ALERT: ${CONTAINER:-caiwuzongzhang-app} state=$state" >> "$ALERT"
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exit 3
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fi
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echo "[$(now)] ok"
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