从 Windows 连接到 WSL 内的 docker 容器服务

Question

我在 Windows 10 PC (Ubuntu 18.04) 上安装了 Windows 子系统 Linux。我在Windows上安装了Docker工具箱，并通过VM运行我可以通过设置正常运行docker命令：

export DOCKER_HOST=tcp://192.168.99.101:2376

我可以很好地访问它并正确安装/运行 docker 容器。其中一项服务是在 localhost:8084 上运行的 Kafka Connect 容器，该容器是从我的 Windows 创建的。如果我直接从 Ubuntu 子系统运行它，我通常可以从 Windows 浏览器访问它，但是如果我从 Windows 子系统内的 docker 容器运行它，我将无法访问它，就好像端口没有从 docker 正确转发一样- 撰写文件。以下是运行该服务的配置：

#
# This docker-compose file starts and runs:
# * A 3-node kafka cluster
# * A 1-zookeeper ensemble
# * Schema Registry
# * Kafka REST Proxy
# * Kafka Connect
#

version: '3.7'

services:
  zookeeper:
    image: confluentinc/cp-zookeeper:5.2.2
    ports:
    - "2181:2181"
    environment:
      ZOOKEEPER_CLIENT_PORT: "2181"

  kafka0:
    image: confluentinc/cp-kafka:5.2.2
    ports:
    - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 0
      KAFKA_ZOOKEEPER_CONNECT: "zookeeper:2181"
      KAFKA_ADVERTISED_LISTENERS: "INTERNAL://kafka0:19092,EXTERNAL://${DOCKER_HOST_IP:-127.0.0.1}:9092"
      KAFKA_INTER_BROKER_LISTENER_NAME: "INTERNAL"
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: "INTERNAL:PLAINTEXT,EXTERNAL:PLAINTEXT"
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: "1"
    depends_on:
    - "zookeeper"

  schema-registry:
    image: confluentinc/cp-schema-registry:5.2.2
    ports:
    - "8081:8081"
    environment:
      SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: "PLAINTEXT://kafka0:19092"
      SCHEMA_REGISTRY_LISTENERS: "http://0.0.0.0:8081"
      SCHEMA_REGISTRY_HOST_NAME: "schema-registry"
      SCHEMA_REGISTRY_KAFKASTORE_TOPIC_REPLICATION_FACTOR: "1"
    depends_on:
    - "kafka0"

  rest-proxy:
    image: confluentinc/cp-kafka-rest:5.2.2
    ports:
    - "8082:8082"
    environment:
      KAFKA_REST_BOOTSTRAP_SERVERS: "PLAINTEXT://kafka0:19092"
      KAFKA_REST_LISTENERS: "http://0.0.0.0:8082/"
      KAFKA_REST_HOST_NAME: "rest-proxy"
      KAFKA_REST_SCHEMA_REGISTRY_URL: "http://schema-registry:8081/"
    depends_on:
    - "kafka0"
    - "schema-registry"

  connect:
    image: confluentinc/cp-kafka-connect:5.2.2
    ports:
    - "8083:8083"
    environment:
      CONNECT_BOOTSTRAP_SERVERS: "PLAINTEXT://kafka0:19092"
      CONNECT_GROUP_ID: "connect"
      CONNECT_REST_ADVERTISED_HOST_NAME: "connect"
      CONNECT_PLUGIN_PATH: "/usr/share/java"
      CONNECT_INTERNAL_KEY_CONVERTER: "org.apache.kafka.connect.json.JsonConverter"
      CONNECT_INTERNAL_VALUE_CONVERTER: "org.apache.kafka.connect.json.JsonConverter"
      CONNECT_KEY_CONVERTER: "io.confluent.connect.avro.AvroConverter"
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      CONNECT_VALUE_CONVERTER: "io.confluent.connect.avro.AvroConverter"
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: "http://schema-registry:8081"
      CONNECT_CONFIG_STORAGE_TOPIC: "connect-config"
      CONNECT_OFFSET_STORAGE_TOPIC: "connect-offset"
      CONNECT_STATUS_STORAGE_TOPIC: "connect-status"
      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: "1"
      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: "1"
      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: "1"
    depends_on:
    - "kafka0"
    - "schema-registry"

  ksql:
    image: confluentinc/cp-ksql-server:5.2.2
    ports:
    - "8088:8088"
    environment:
      KSQL_BOOTSTRAP_SERVERS: "PLAINTEXT://kafka0:19092"
      KSQL_LISTENERS: "http://0.0.0.0:8088"
      KSQL_KSQL_SERVICE_ID: "ksql_service_docker"
      KSQL_KSQL_SCHEMA_REGISTRY_URL: "http://schema-registry:8081/"
    depends_on:
    - "kafka0"
    - "schema-registry"

  connect-ui:
    image: landoop/kafka-connect-ui:0.9.7
    ports:
    - "8084:8084"
    environment:
      PORT: "8084"
      PROXY: "true"
      CONNECT_URL: "http://connect:8083"
    depends_on:
    - "connect"

  topics-ui:
    image: landoop/kafka-topics-ui:0.9.4
    ports:
    - "8085:8085"
    environment:
      PORT: "8085"
      PROXY: "true"
      KAFKA_REST_PROXY_URL: "http://rest-proxy:8082"
    depends_on:
    - "rest-proxy"

  schema-registry-ui:
    image: landoop/schema-registry-ui:0.9.5
    ports:
    - "8086:8086"
    environment:
      PORT: "8086"
      PROXY: "true"
      SCHEMAREGISTRY_URL: "http://schema-registry:8081/"
    depends_on:
    - "schema-registry"

  postgres:
    image: postgres:11
    ports:
    - "5432:5432"
    environment:
      POSTGRES_USER: "cta_admin"
      POSTGRES_PASSWORD: "chicago"
      POSTGRES_DB: "cta"
    volumes:
    - ./producers/data/cta_stations.csv:/tmp/cta_stations.csv
    - ./load_stations.sql:/docker-entrypoint-initdb.d/load_stations.sql

所有其他系统都正确连接，并且在放置所有 docker-compose 文件时不会记录任何错误。我尝试过使用不同的端口，但没有成功。在我看来，docker 主机和 WSL 主机的绑定存在问题？

我想知道：

如何根据配置文件从 Windows Chrome 浏览器连接到位于 localhost:8084 的服务。

Answer 1

似乎您没有粘贴 的完整代码docker-compose.yml，我猜您的原始 docker-compose.yml 已与名为 的 kafka 容器链接或联网connect，因此您可以连接http://connect:8003

但是由于kafka直接安装在Windows（主机服务器）中，因此应用程序容器（kafka connect）不知道这个名为connect

您可以替换connect为您的 Windows IP 地址。

  CONNECT_URL: "http://<your_windows_IP>:8083"