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143 lines
3.3 KiB
Markdown
143 lines
3.3 KiB
Markdown
# Kafka workspace
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Portable containerized workspace to interact with Kafka clusters.
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## Start
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```
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docker run --name rwid-1 -d -p 8020-8040:8020-8040 --restart=always alnoda/kafka-workspace
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```
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open [localhost:8020](http://localhost:8020) in browser.
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## Features
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**Kafka CLI tools**
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- [Apache Kafka](https://kafka.apache.org/) - single-node cluster for experimentation
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- [kcat](https://github.com/edenhill/kcat) - generic non-JVM producer and consumer for Apache Kafka.
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- [kafkactl](https://github.com/deviceinsight/kafkactl) - command-line interface for interaction with Apache Kafka.
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- [trubka](https://github.com/xitonix/trubka) - Kafka CLI tool built in Go which gives you everything you need.
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- [kt](https://github.com/fgeller/kt) - Kafka tool that likes JSON.
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- [kcli](https://github.com/cswank/kcli) - Kafka read only command line browser.
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- [*Codeserver workspace features*](https://github.com/bluxmit/alnoda-workspaces/tree/main/workspaces/codeserver-workspace)
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## Links
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[__Alnoda docs__](https://docs.alnoda.org/)
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[__Alnoda Hub__](https://alnoda.org)
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### Kafka tools
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Kafka distribution itself contains command line tools that allow to create topics, send and consume events, etc.
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Open workspace terminal [http://localhost:8026/](http://localhost:8026/) and go to Kafka directory
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```
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cd /home/abc/kafka
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```
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- create topic
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```
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bin/kafka-topics.sh --create --partitions 1 --replication-factor 1 --topic quickstart-events --bootstrap-server localhost:9092
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```
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- send some messages
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```
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bin/kafka-console-producer.sh --topic quickstart-events --bootstrap-server localhost:9092
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```
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- consume messages
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```
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bin/kafka-console-consumer.sh --topic quickstart-events --from-beginning --bootstrap-server localhost:9092
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```
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### [kt](https://github.com/fgeller/kt)
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Kafka tool that likes JSON.
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Configure brokers, topic, Kafka version and authentication via environment variables KT_BROKERS, KT_TOPIC, KT_KAFKA_VERSION and KT_AUTH.
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- Set topic to "quickstart-events" (local Kafka instance by default)
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```
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export KT_TOPIC="quickstart-events"
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```
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- Get information about topics, brockers and consumer groups
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```
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kt topic
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kt group
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```
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- consume messages
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```
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kt consume
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```
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- produce messages
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```
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echo 'Bob wins Oscar' | kt produce -topic quickstart-events -literal
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```
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### [kafkactl](https://github.com/deviceinsight/kafkactl)
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A command-line interface for interaction with Apache Kafka.
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- Consume from topic "quickstart-events"
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```
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kafkactl consume quickstart-events --from-beginning
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kafkactl consume quickstart-events --from-beginning --print-keys --print-timestamps -o yaml
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```
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### [kcat](https://github.com/edenhill/kcat)
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Generic non-JVM producer and consumer for Apache Kafka.
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- Consume topic "quickstart-events"
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```
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kafkacat -b localhost -t quickstart-events
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```
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- Produce events to the topic
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```
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echo "Hello World" | kafkacat -b localhost -t quickstart-events
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```
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### [kcli](https://github.com/cswank/kcli)
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Kafka read only command line browser
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Launch kcli in the Workspace terminal
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```
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kcli
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```
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### [trubka](https://github.com/xitonix/trubka)
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Kafka CLI tool built in Go which gives you everything you need.
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- Consume from the topic "quickstart-events"
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```
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trubka consume plain quickstart-events --brokers localhost:9092
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```
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- Produce message to the topic
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```
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trubka produce plain quickstart-events "Random Data" --brokers localhost:9092
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```
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