89 lines
2.3 KiB
Bash
Executable File
89 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# 用途：檢查 K3s 叢集節點狀態
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set -euo pipefail
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# 顏色定義
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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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echo "=========================================="
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echo " K3s 叢集節點狀態"
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echo "=========================================="
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echo ""
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# 取得節點資訊
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NODES=$(kubectl get nodes --no-headers)
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# 統計
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NODE_TOTAL=$(echo "$NODES" | wc -l)
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NODE_READY=$(echo "$NODES" | grep -c " Ready " || true)
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NODE_NOT_READY=$((NODE_TOTAL - NODE_READY))
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echo "📊 叢集概況"
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echo "------------------------------------------"
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echo "總節點數: $NODE_TOTAL"
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echo -e " ${GREEN}✓ Ready: $NODE_READY${NC}"
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if [ $NODE_NOT_READY -gt 0 ]; then
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echo -e " ${RED}✗ NotReady: $NODE_NOT_READY${NC}"
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fi
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echo ""
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# 顯示每個節點的詳細資訊
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echo "🖥️ 節點詳細資訊"
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echo "------------------------------------------"
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echo "$NODES" | while IFS= read -r line; do
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# 解析每個欄位
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NAME=$(echo "$line" | awk '{print $1}')
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STATUS=$(echo "$line" | awk '{print $2}')
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ROLES=$(echo "$line" | awk '{print $3}')
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INTERNAL_IP=$(echo "$line" | awk '{print $6}')
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OS=$(echo "$line" | awk '{print $7}')
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KERNEL=$(echo "$line" | awk '{print $8}')
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# 顏色判斷
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if [[ "$STATUS" == "Ready"* ]]; then
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STATUS_COLOR="$GREEN"
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ICON="✓"
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else
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STATUS_COLOR="$RED"
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ICON="✗"
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fi
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# 角色簡化
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if [[ "$ROLES" == *"control-plane"* ]]; then
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ROLE="${BLUE}[master]${NC}"
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elif [[ "$ROLES" == "<none>" ]]; then
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ROLE="[worker]"
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else
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ROLE="$ROLES"
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fi
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# 輸出
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echo -e "${STATUS_COLOR}$ICON $NAME${NC} $ROLE"
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echo " 狀態: $STATUS"
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echo " IP: $INTERNAL_IP"
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echo " OS: $OS $KERNEL"
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echo ""
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done
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# Pod 分佈
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echo "📦 Pod 分佈"
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echo "------------------------------------------"
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kubectl get pods -A -o jsonpath='{range .items[*]}{.metadata.namespace}{"\t"}{.metadata.name}{"\t"}{.spec.nodeName}{"\n"}{end}' 2>/dev/null | grep -E "(vm120|vm121|vm122)" | while IFS=$'\t' read -r ns pod node; do
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echo " $pod ($ns) → $node"
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done | head -15
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POD_TOTAL=$(kubectl get pods -A --no-headers 2>/dev/null | wc -l)
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if [ $POD_TOTAL -gt 15 ]; then
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echo " ..."
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fi
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echo " 總 Pod 數: $POD_TOTAL"
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echo ""
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echo "=========================================="
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