docker-compose_ccloud.yml

---
version: '3'
services:

  kafka-connect-01:
    image: confluentinc/cp-kafka-connect:${CONFLUENTPLATFORM_VERSION}
    container_name: kafka-connect-01
    # depends_on:
    #   - zookeeper
    #   - kafka
    #   - schema-registry
    ports:
      - 8083:8083
    environment:
      CONNECT_LOG4J_APPENDER_STDOUT_LAYOUT_CONVERSIONPATTERN: "[%d] %p %X{connector.context}%m (%c:%L)%n"
      CONNECT_CUB_KAFKA_TIMEOUT: 300
      CONNECT_BOOTSTRAP_SERVERS: "${CCLOUD_BROKER_HOST}:9092"
      CONNECT_REST_ADVERTISED_HOST_NAME: 'kafka-connect-01'
      CONNECT_REST_PORT: 8083
      CONNECT_GROUP_ID: kafka-connect-group-01
      CONNECT_CONFIG_STORAGE_TOPIC: _kafka-connect-group-01-configs
      CONNECT_OFFSET_STORAGE_TOPIC: _kafka-connect-group-01-offsets
      CONNECT_STATUS_STORAGE_TOPIC: _kafka-connect-group-01-status
      CONNECT_KEY_CONVERTER: io.confluent.connect.avro.AvroConverter
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL: "${CCLOUD_SCHEMA_REGISTRY_URL}"
      CONNECT_KEY_CONVERTER_BASIC_AUTH_CREDENTIALS_SOURCE: "USER_INFO"
      CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_BASIC_AUTH_USER_INFO: "${CCLOUD_SCHEMA_REGISTRY_API_KEY}:${CCLOUD_SCHEMA_REGISTRY_API_SECRET}"
      CONNECT_VALUE_CONVERTER: io.confluent.connect.avro.AvroConverter
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL: "${CCLOUD_SCHEMA_REGISTRY_URL}"
      CONNECT_VALUE_CONVERTER_BASIC_AUTH_CREDENTIALS_SOURCE: "USER_INFO"
      CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_BASIC_AUTH_USER_INFO: "${CCLOUD_SCHEMA_REGISTRY_API_KEY}:${CCLOUD_SCHEMA_REGISTRY_API_SECRET}"
      CONNECT_INTERNAL_KEY_CONVERTER: 'org.apache.kafka.connect.json.JsonConverter'
      CONNECT_INTERNAL_VALUE_CONVERTER: 'org.apache.kafka.connect.json.JsonConverter'
      CONNECT_LOG4J_ROOT_LOGLEVEL: 'INFO'
      CONNECT_LOG4J_LOGGERS: 'org.apache.kafka.connect.runtime.rest=WARN,org.reflections=ERROR'
      CONNECT_CONFIG_STORAGE_REPLICATION_FACTOR: '3'
      CONNECT_OFFSET_STORAGE_REPLICATION_FACTOR: '3'
      CONNECT_STATUS_STORAGE_REPLICATION_FACTOR: '3'
      CONNECT_PLUGIN_PATH: '/usr/share/java,/usr/share/confluent-hub-components/'
      # External secrets config
      # See https://docs.confluent.io/current/connect/security.html#externalizing-secrets
      CONNECT_CONFIG_PROVIDERS: 'file'
      CONNECT_CONFIG_PROVIDERS_FILE_CLASS: 'org.apache.kafka.common.config.provider.FileConfigProvider'
      # Confluent Cloud config
      CONNECT_REQUEST_TIMEOUT_MS: "20000"
      CONNECT_RETRY_BACKOFF_MS: "500"
      CONNECT_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM: "https"
      CONNECT_SASL_MECHANISM: "PLAIN"
      CONNECT_SECURITY_PROTOCOL: "SASL_SSL"
      CONNECT_SASL_JAAS_CONFIG: "org.apache.kafka.common.security.plain.PlainLoginModule required username=\"${CCLOUD_API_KEY}\" password=\"${CCLOUD_API_SECRET}\";"
      #
      CONNECT_CONSUMER_SECURITY_PROTOCOL: "SASL_SSL"
      CONNECT_CONSUMER_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM: "https"
      CONNECT_CONSUMER_SASL_MECHANISM: "PLAIN"
      CONNECT_CONSUMER_SASL_JAAS_CONFIG: "org.apache.kafka.common.security.plain.PlainLoginModule required username=\"${CCLOUD_API_KEY}\" password=\"${CCLOUD_API_SECRET}\";"
      CONNECT_CONSUMER_REQUEST_TIMEOUT_MS: "20000"
      CONNECT_CONSUMER_RETRY_BACKOFF_MS: "500"
      #
      CONNECT_PRODUCER_SECURITY_PROTOCOL: "SASL_SSL"
      CONNECT_PRODUCER_SSL_ENDPOINT_IDENTIFICATION_ALGORITHM: "https"
      CONNECT_PRODUCER_SASL_MECHANISM: "PLAIN"
      CONNECT_PRODUCER_SASL_JAAS_CONFIG: "org.apache.kafka.common.security.plain.PlainLoginModule required username=\"${CCLOUD_API_KEY}\" password=\"${CCLOUD_API_SECRET}\";"
      CONNECT_PRODUCER_REQUEST_TIMEOUT_MS: "20000"
      CONNECT_PRODUCER_RETRY_BACKOFF_MS: "500"
    command: 
      # In the command section, $ are replaced with $$ to avoid the error 'Invalid interpolation format for "command" option'
      - bash 
      - -c 
      - |
        echo "Installing connector plugins"
        confluent-hub install --no-prompt confluentinc/kafka-connect-mqtt:1.2.3
        #
        echo "Launching Kafka Connect worker"
        /etc/confluent/docker/run & 
        #
        sleep infinity


  # kafkacat:
  #   image: edenhill/kafkacat:1.5.0
  #   container_name: kafkacat
  #  
  #   command: 
  #     - bash 
  #     - -c 
  #     - |
  #       f
  #         kafkacat -b ${CCLOUD_BROKER_HOST} 
  #                 -X security.protocol=SASL_SSL -X sasl.mechanisms=PLAIN \
  #                 -X sasl.username="${CCLOUD_API_KEY}" -X sasl.password="${CCLOUD_API_SECRET}" \
  #                 -X ssl.ca.location=/usr/local/etc/openssl/cert.pem -X api.version.request=true
  #                 -P -t data_mqtt