feat(kafka): add exporter

[gecube]

Add kafka exporter:

https://strimzi.io/blog/2019/10/14/improving-prometheus-metrics/
https://strimzi.io/docs/0.14.0/full#assembly-kafka-exporter-configuration-deployment-configuration-kafka

Summary by CodeRabbit

• New Features
  • Updated Kafka application chart version to 0.3.1.
  • Introduced a new kafkaExporter section in the Kafka resource configuration, allowing for flexible matching of consumer groups and topics using regular expressions.
  • Added resource requests and limits for CPU and memory in the kafkaExporter configuration.

These enhancements improve the configuration capabilities for users managing Kafka resources.

[coderabbitai]

Walkthrough

The pull request includes updates to two files related to the Kafka application. The Chart.yaml file has its version number incremented from 0.3.0 to 0.3.1, while the kafka.yaml file introduces a new section for kafkaExporter within the spec, which includes three fields: groupRegex, topicRegex, and resources. The resources field specifies CPU and memory requests and limits, enhancing the configuration options for the Kafka exporter.

Changes

File	Change Summary
packages/apps/kafka/Chart.yaml	Version updated from 0.3.0 to 0.3.1. Application version remains unchanged at 3.7.0.
packages/apps/kafka/templates/kafka.yaml	New section kafkaExporter added in spec, with fields groupRegex: ".*", topicRegex: ".*", and resource specifications for CPU and memory.

Poem

In the land of Kafka, changes take flight,
A version updated, oh what a sight!
With regex patterns, we now can explore,
Consumer groups and topics, we’ll match even more!
Hopping with joy, we celebrate this day,
For flexibility blooms in a wonderful way! 🐇✨

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📥 Commits

Files that changed from the base of the PR and between 9e29401 and b065dc5.

📒 Files selected for processing (1)

• packages/apps/kafka/templates/kafka.yaml (1 hunks)

🚧 Files skipped from review as they are similar to previous changes (1)

• packages/apps/kafka/templates/kafka.yaml

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[themoriarti]

Also I add resource request and limiting for kafka exporter.

[themoriarti]

Fix conflicts