我尝试过在K8s中部署Kafka，所以需要用HostPath持久化它的卷，但是当卷配置添加到部署文件中时，Kafka Pod中会显示这个错误，Pod状态变为CrashloopBackoff：

mkdir: cannot create directory ‘/bitnami/config’: Permission denied

我想我必须更改权限，这样Pod才能创建此文件。

Deployment.yml：

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: kafka-broker
  name: kafka-broker
  namespace: kafka
spec:
  replicas: 1
  selector:
    matchLabels:
      app: kafka-broker
  template:
    metadata:
      labels:
        app: kafka-broker
    spec:
      containers:
      - env:
        - name: ALLOW_PLAINTEXT_LISTENER
          value: "yes"
        - name: KAFKA_BROKER_ID
          value: "1"
        - name: KAFKA_ZOOKEEPER_CONNECT
          value: zookeeper-service:2181
        - name: KAFKA_LISTENERS
          value: PLAINTEXT://:9092
        - name: KAFKA_ADVERTISED_LISTENERS
          value: PLAINTEXT://:9092
        image: bitnami/kafka
        imagePullPolicy: IfNotPresent
        name: kafka-broker
        ports:
        - containerPort: 9092
        volumeMounts:
        - name: kafka-data
          readOnly: false
          mountPath: "/bitnami/kafka"
      volumes:
      - name: kafka-data
        hostPath:
          path: /data/kafka-data