允许webhook创建连接被拒绝错误Minikube

我想在pods创建上创建一个webhook。Kubernetes是用minikube运行的,这就是为什么对于ca\u bundle,我使用minikube/certs文件夹中ca.pem的路径。但是,我在应用webhook配置时遇到这样一个错误:

error: unable to recognize "pods-webhook.yaml": Get https://minikube-ip:8443/api?timeout=32s: dial tcp minikube-ip:8443: connect: connection refused

还有什么我应该配置的吗?我应该为ca\u bundle设置另一个文件吗?

我想从java客户机使用这个许可钩子。 以下是pods-webhook.yaml文件:

apiVersion: admissionregistration.k8s.io/v1beta1
kind: ValidatingWebhookConfiguration
metadata:
  name: pods-webhook
webhooks:
  - name: create-pods-webhook
    rules:
      - apiGroups:
          - ""
        apiVersions:
          - v1
        operations:
          - CREATE
        resources:
          - pods
    clientConfig:
      service:
        name: create-pods-webhook-svc
        namespace: default
        path: "/validate"
      caBundle: ${CA_BUNDLE}