Kafdrop Helm Chart for Openshift Service mesh

Chart Details

• Install Openshift service mesh compatible Kafdrop to view Kafka messages and topic metadata. Auth info to connect to a Broker and schema registry is not included in the Helm chart.
• This is a fork of [Kafdrop helm|https://github.com/obsidiandynamics/kafdrop/tree/master/chart] that will work in an Openshift and Openshift service mesh platform
• Openshift RBAC is enabled for kafdrop components
• kafdrop connects to a specific Kafka service account- Install Kafdrop chart for each environment
• Avro is the default message format. Switch between JSON and AVRO when viewing messages

Kafdrop up and running

• Identify the namespace to install Kafdrop
• Determine if Kafdrop should run in a service mesh or not. By default, service mesh deployment is ON.
  • To turn OFF service mesh and instead pick route based access
    • set route.enabled: true and set

    serviceMesh:
      route: false
      sidecar: false

• Request Devops to create a secret called kafdrop-kafka. Refer the below template
  • KAFKA_PROPERTIES_FILE_PATH can be a path like /tmp/kafka-props/kafka.properties
  • KAFKA_SASL_PROPERTIES should include at a minimum security.protocol, sasl.mechanism and sasl.jaas.config

  kind: Secret
  apiVersion: v1
  type: Opaque
  metadata:
    name: kafdrop-kafka
  labels:
    app: kafdrop
  data:
    KAFKA_BOOTSTRAP_SERVERS: 
    KAFKA_PROPERTIES_FILE_PATH: 
    KAFKA_SASL_PROPERTIES: 
    KAFKA_SCHEMA_REGISTRY_BASIC_AUTH_USER_INFO: 
    KAFKA_SCHEMA_REGISTRY_URL: 
    KAFKA_SECURITY_PROTOCOL: 

• Identify the gateway hostname. Follow the format [CHART_NAME].[NAMESPACE].[HOST_NAME]]
• Install helm chart:

helm repo update
helm install kafdrop . -f values.yaml --set hostname=kafdrop-myhost -n anoop-dev

• After Kafdrop pod is up, fire up a browser and navigate to https://{{ template "chart.fullname" . }}.{{ .Release.Namespace }}.myhost/
  • Example: https://kafdrop-anoop-dev.myhost/
• Navigate to each topic and view topic, consumer metadata, view messages