[Kafka] Support for Azure broker.rack

[nljakubiak]

Name and Version

bitnami/kafka 31.2.0

What is the problem this feature will solve?

broker.rack is able to be set only for AWS.

What is the feature you are proposing to solve the problem?

Add availability for azure.

What alternatives have you considered?

Developing solution in copied helm chart that looks like this (tested and works):
templates/scripts-configmap.yaml (right under option for "aws-az")

    {{- if eq .Values.brokerRackAssignment "azure" }}
    # Broker rack awareness
    echo "Obtaining broker.rack for Azure rack assignment"
    export LOCATION=$(curl -s -H Metadata:true --noproxy "*" "http://169.254.169.254/metadata/instance/compute/location?api-version=2023-11-15&format=text")
    export ZONE=$(curl -s -H Metadata:true --noproxy "*" "http://169.254.169.254/metadata/instance/compute/zone?api-version=2023-11-15&format=text")
    kafka_conf_set "$KAFKA_CONFIG_FILE" "broker.rack" "${LOCATION}-${ZONE}"
    {{- end }}

[carrodher]

Thank you for bringing this issue to our attention. We appreciate your involvement! If you're interested in contributing a solution, we welcome you to create a pull request. The Bitnami team is excited to review your submission and offer feedback. You can find the contributing guidelines here.

Your contribution will greatly benefit the community. Feel free to reach out if you have any questions or need assistance.