88 lines
2.9 KiB
YAML
88 lines
2.9 KiB
YAML
apiVersion: batch/v1
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kind: CronJob
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metadata:
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name: ping-nodes
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namespace: cron
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spec:
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schedule: "*/5 * * * *" # 每5分钟执行一次
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concurrencyPolicy: Allow
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jobTemplate:
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spec:
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template:
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spec:
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serviceAccountName: ping-nodes-sa # 需要创建具有节点列表权限的服务账号
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containers:
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- name: ping-nodes
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image: busybox
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command:
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- /bin/sh
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- -c
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- |
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# 安装必要工具
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#apk add --no-cache kubectl curl dnsutils iputils
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# 获取当前节点的主机名
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CURRENT_NODE=$(cat /etc/hostname)
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echo "Current node: $CURRENT_NODE"
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# 获取所有节点的 IP 地址
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NODE_IPS=$(kubectl get nodes -o jsonpath='{.items[*].status.addresses[?(@.type=="InternalIP")].address}')
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# 遍历每个节点 IP 并 ping
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for IP in $NODE_IPS; do
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# 检查是否为当前节点的 IP
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CURRENT_IP=$(kubectl get nodes $CURRENT_NODE -o jsonpath='{.status.addresses[?(@.type=="InternalIP")].address}' 2>/dev/null)
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if [ "$IP" != "$CURRENT_IP" ]; then
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echo "Pinging node IP: $IP"
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ping -c 3 $IP
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echo "-----------------------------------"
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fi
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done
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# 或者使用节点名称获取其 ZeroTier IP 地址并 ping
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# 如果 ZeroTier IP 地址存储在节点标签或注释中
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NODE_NAMES=$(kubectl get nodes -o jsonpath='{.items[*].metadata.name}')
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for NODE in $NODE_NAMES; do
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if [ "$NODE" != "$CURRENT_NODE" ]; then
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echo "Pinging node: $NODE"
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# 你需要调整这里来获取 ZeroTier IP
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# 例如，如果你将 ZeroTier IP 存储在节点标签中：
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# ZT_IP=$(kubectl get node $NODE -o jsonpath='{.metadata.labels.zerotier-ip}')
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# ping -c 3 $ZT_IP
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# 或者直接使用节点名称 ping (如果DNS解析配置正确)
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ping -c 3 $NODE
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echo "-----------------------------------"
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fi
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done
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restartPolicy: OnFailure
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---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: ping-nodes-sa
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namespace: cron
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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name: node-reader
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rules:
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- apiGroups: [""]
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resources: ["nodes"]
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verbs: ["get", "list"]
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: ping-nodes-rb
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subjects:
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- kind: ServiceAccount
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name: ping-nodes-sa
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namespace: cron
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roleRef:
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kind: ClusterRole
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name: node-reader
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apiGroup: rbac.authorization.k8s.io
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