294100330 类似如下这种，看下能不能满足你的要求：
# 创建一个external service
export ip=192.168.0.12
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: Service
metadata:
name: test-productpage
namespace: default
spec:
ports:
- name: http
port: 9080
---
apiVersion: v1
kind: Endpoints
metadata:
name: test-productpage
namespace: default
subsets:
- addresses:
- ip: ${ip}
ports:
- name: http
port: 9080
protocol: TCP
EOF
