diff options
| -rw-r--r-- | README.md | 18 |
1 files changed, 14 insertions, 4 deletions
@@ -11,11 +11,13 @@ How to use: * Kafka for real: fork and have a look at [addon](https://github.com/Yolean/kubernetes-kafka/labels/addon)s. * Join the discussion in issues and PRs. -Why? -See for yourself, but we think this project gives you better adaptability than [helm](https://github.com/kubernetes/helm) [chart](https://github.com/kubernetes/charts/tree/master/incubator/kafka)s. No single readable readme or template can properly introduce both Kafka and Kubernets. +No readable readme can properly introduce both [Kafka](http://kafka.apache.org/) and [Kubernets](https://kubernetes.io/), +but we think the combination of the two is a great backbone for microservices. Back when we read [Newman](http://samnewman.io/books/building_microservices/) we were beginners with both. Now we've read [Kleppmann](http://dataintensive.net/), [Confluent](https://www.confluent.io/blog/) and [SRE](https://landing.google.com/sre/book.html) and enjoy this "Streaming Platform" lock-in :smile:. +We also think the plain-yaml approach of this project is easier to understand and evolve than [helm](https://github.com/kubernetes/helm) [chart](https://github.com/kubernetes/charts/tree/master/incubator/kafka)s. + ## What you get Keep an eye on `kubectl --namespace kafka get pods -w`. @@ -50,7 +52,7 @@ kubectl -n kafka logs kafka-0 | grep "Registered broker" That's it. Just add business value :wink:. For clients we tend to use [librdkafka](https://github.com/edenhill/librdkafka)-based drivers like [node-rdkafka](https://github.com/Blizzard/node-rdkafka). To use [Kafka Connect](http://kafka.apache.org/documentation/#connect) and [Kafka Streams](http://kafka.apache.org/documentation/streams/) you may want to take a look at our [sample](https://github.com/solsson/dockerfiles/tree/master/connect-files) [Dockerfile](https://github.com/solsson/dockerfiles/tree/master/streams-logfilter)s. -Don't forget the [addon](https://github.com/Yolean/kubernetes-kafka/labels/addon)s. +And don't forget the [addon](https://github.com/Yolean/kubernetes-kafka/labels/addon)s. ## RBAC @@ -59,7 +61,15 @@ For clusters that enfoce [RBAC](https://kubernetes.io/docs/admin/authorization/r kubectl apply -f rbac-namespace-default/ ``` -# Tests +## Caution: `Delete` Reclaim Policy is default + +In production you likely want to [manually set Reclaim Policy](https://kubernetes.io/docs/tasks/administer-cluster/change-pv-reclaim-policy/), +our your data will be gone if the generated [volume claim](https://kubernetes.io/docs/concepts/storage/persistent-volumes/#persistentvolumeclaims)s are deleted. + +This can't be done [in manifests](https://github.com/Yolean/kubernetes-kafka/pull/50), +at least not [until Kubernetes 1.8](https://github.com/kubernetes/features/issues/352). + +## Tests ``` kubectl apply -f test/ |