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k3s/cluster/check_events.sh

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#!/usr/bin/env bash
# 用途:檢查叢集事件(診斷問題最重要!)
set -euo pipefail
# 顏色定義
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'
echo "=========================================="
echo " K3s 叢集事件 (最近1小時)"
echo "=========================================="
echo ""
# 顯示最近 1 小時的 Warning 和 Error 事件
echo "⚠️ Warning / Error 事件"
echo "------------------------------------------"
kubectl get events -A --sort-by='.lastTimestamp' --field-selector type!=Normal | \
grep -E "(Warning|Error)" | tail -20 || echo "無異常事件"
echo ""
echo "📋 所有最近事件 (最近20筆)"
echo "------------------------------------------"
kubectl get events -A --sort-by='.lastTimestamp' | tail -20
echo ""
echo "🔄 計畫失敗的 Pod"
echo "------------------------------------------"
kubectl get pods -A | grep -E "(Failed|Error|CrashLoopBackOff|ImagePullBackOff)" || echo -e "${GREEN}無異常 Pod${NC}"
echo ""
echo "=========================================="
echo "提示: 事件太多可用 kubectl get events -A --field-selector type=Warning"
echo "=========================================="