[#253] Update NOTES.txt with information related to Kafka.

Signed-off-by: Abel Buechner-Mihaljevic <[email protected]>

charts/hono/Chart.yaml

@@ -15,7 +15,7 @@ name: hono
 description: |
   Eclipse Hono™ provides remote service interfaces for connecting large numbers of IoT devices to a back end and
   interacting with them in a uniform way regardless of the device communication protocol.
-version: 1.10.1
+version: 1.10.2
 # Version of Hono being deployed by the chart
 appVersion: 1.9.1
 keywords:

charts/hono/templates/NOTES.txt

@@ -23,9 +23,31 @@ NAME                                       {{ "READY   STATUS    RESTARTS   AGE"
 {{ .Release.Name }}-service-device-registry-0                 1/1     Running   0          5m51s
 
 Once all pods have status 'Running', Hono is ready to be used.
+{{- if (has "amqp" .Values.messagingNetworkTypes) }}
 
 To learn more about Hono's functionality, you should follow the Getting started guide at
 https://eclipse.org/hono/getting-started/
+{{- end }}
+{{- if (has "kafka" .Values.messagingNetworkTypes) }}
+{{ if .Values.kafkaMessagingClusterExample.enabled }}
+Hono is configured with an example Kafka cluster for messaging. To learn more
+about it, you should follow the Kafka messaging guide at
+https://eclipse.org/hono/getting-started-kafka/
+Clients can connect to the Kafka cluster with the configuration properties below
+(see the above guide on how to set $KAFKA_IP and $KAFKA_TRUSTSTORE_PATH).
+
+  bootstrap.servers=$KAFKA_IP:9092
+  ssl.truststore.location=$KAFKA_TRUSTSTORE_PATH
+  security.protocol=SASL_SSL
+  sasl.mechanism=SCRAM-SHA-512
+  sasl.jaas.config=org.apache.kafka.common.security.scram.ScramLoginModule required username="{{ first .Values.kafka.auth.sasl.jaas.clientUsers }}" password="{{ first .Values.kafka.auth.sasl.jaas.clientPasswords }}";
+  ssl.truststore.password={{ .Values.kafka.auth.tls.password | quote }}
+  ssl.endpoint.identification.algorithm=""
+{{- else }}
+The messaging in Hono is configured to use the Kafka cluster with the boostrap servers:
+{{ index .Values.adapters.kafkaMessagingSpec.commonClientConfig "bootstrap.servers" }}
+{{- end }}
+{{- end }}
 
 Enjoy :-)