fix: correct variable parsing in check_nodes.sh

cluster/check_nodes.sh

@@ -21,14 +21,14 @@ NODES=$(kubectl get nodes --no-headers)
 # 統計
 NODE_TOTAL=$(echo "$NODES" | wc -l)
 NODE_READY=$(echo "$NODES" | grep -c " Ready " || true)
-NODE_NOT_READY=$(echo "$NODES" | grep -v " Ready " | wc -l)
+NODE_NOT_READY=$((NODE_TOTAL - NODE_READY))
 
 echo "📊 叢集概況"
 echo "------------------------------------------"
 echo "總節點數: $NODE_TOTAL"
-echo -e "  ${GREEN}Ready:     $NODE_READY${NC}"
+echo -e "  ${GREEN}✓ Ready:    $NODE_READY${NC}"
 if [ $NODE_NOT_READY -gt 0 ]; then
-  echo -e "  ${RED}NotReady:  $NODE_NOT_READY${NC}"
+  echo -e "  ${RED}✗ NotReady: $NODE_NOT_READY${NC}"
 fi
 echo ""
 
@@ -36,9 +36,17 @@ echo ""
 echo "🖥️  節點詳細資訊"
 echo "------------------------------------------"
 
-while read -r name status roles age version internal_ip os kernel runtime; do
+echo "$NODES" | while IFS= read -r line; do
+  # 解析每個欄位
+  NAME=$(echo "$line" | awk '{print $1}')
+  STATUS=$(echo "$line" | awk '{print $2}')
+  ROLES=$(echo "$line" | awk '{print $3}')
+  INTERNAL_IP=$(echo "$line" | awk '{print $6}')
+  OS=$(echo "$line" | awk '{print $7}')
+  KERNEL=$(echo "$line" | awk '{print $8}')
+
   # 顏色判斷
-  if [[ "$status" == "Ready"* ]]; then
+  if [[ "$STATUS" == "Ready"* ]]; then
     STATUS_COLOR="$GREEN"
     ICON="✓"
   else
@@ -47,29 +55,33 @@ while read -r name status roles age version internal_ip os kernel runtime; do
   fi
 
   # 角色簡化
-  if [[ "$roles" == *"control-plane"* ]]; then
+  if [[ "$ROLES" == *"control-plane"* ]]; then
     ROLE="${BLUE}[master]${NC}"
-  elif [[ "$roles" == "<none>" ]]; then
+  elif [[ "$ROLES" == "<none>" ]]; then
     ROLE="[worker]"
   else
-    ROLE="$roles"
+    ROLE="$ROLES"
   fi
 
   # 輸出
-  echo -e "${STATUS_COLOR}$ICON $name${NC} $ROLE"
-  echo "   狀態: $status"
-  echo "   IP:   $internal_ip"
-  echo "   OS:   $os $kernel"
+  echo -e "${STATUS_COLOR}$ICON $NAME${NC} $ROLE"
+  echo "   狀態: $STATUS"
+  echo "   IP:   $INTERNAL_IP"
+  echo "   OS:   $OS $KERNEL"
   echo ""
-done <<< "$NODES"
+done
 
 # Pod 分佈
 echo "📦 Pod 分佈"
 echo "------------------------------------------"
-kubectl get pods -A -o jsonpath='{range .items[*]}{.metadata.namespace}{"\t"}{.metadata.name}{"\t"}{.spec.nodeName}{"\n"}' | awk '{print $1, $2, "→", $3}' | column -t | head -20
+kubectl get pods -A -o jsonpath='{range .items[*]}{.metadata.namespace}{"\t"}{.metadata.name}{"\t"}{.spec.nodeName}{"\n"}{end}' 2>/dev/null | grep -E "(vm120|vm121|vm122)" | while IFS=$'\t' read -r ns pod node; do
+  echo "  $pod ($ns) → $node"
+done | head -15
 
-POD_TOTAL=$(kubectl get pods -A --no-headers | wc -l)
+POD_TOTAL=$(kubectl get pods -A --no-headers 2>/dev/null | wc -l)
+if [ $POD_TOTAL -gt 15 ]; then
   echo "  ..."
+fi
 echo "  總 Pod 數: $POD_TOTAL"
 echo ""