anchor.diff:  environment variable.
   
   In order to distinguish which "type" of cluster to deploy, Kafka or Kafka Connect, the controller checks the
  -`strimzi.io/type` label which can have the following values :
  +`strimzi.io/type` label which can have one of the the following values :
   
   * `kafka`: the ConfigMap provides configuration for a Kafka cluster (with Zookeeper ensemble) deployment
   * `kafka-connect`: the ConfigMap provides configuration for a Kafka Connect cluster deployment
  
positive.code: * `zookeeper-metrics-config`: a JSON string representing the JMX exporter configuration for exposing metrics from Zookeeper nodes.
   Removing this field means having no metrics exposed.
   
  An example of cluster configuration ConfigMap is the following.
  
  .Kafka cluster ConfigMap
  [source,yaml,options="nowrap"]
  ----
  apiVersion: v1
  
negative.code: === Kafka Connect
  
  In order to configure a Kafka Connect cluster deployment, it's possible to specify the following fields in the `data` section of 
  the related ConfigMap:
  
  * `nodes`: number of Kafka Connect worker nodes. Default is 1
  * `image`: the Docker image to use for the Kafka Connect workers. Default is `strimzi/kafka-connect:latest`. If S2I is used 
  