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Kubernetes Operator For Apache Druid

This is the official druid-operator project, now maintained by Maintainers.md. druid-operator is depreacted. Ref to issue and PR. Feel free to open issues and PRs! Collaborators are welcome !

Build Status Docker pull Latest Version Slack

Druid Operator provisions and manages Apache Druid cluster on kubernetes. Druid Operator is designed to provision and manage Apache Druid in distributed mode only. It is built using the kubebuilder. Language used is GoLang. Druid Operator is available on operatorhub.io Refer to Documentation for getting started. Join Kubernetes slack and join druid-operator

Talks and Blogs on Druid Operator

Supported CR

  • The operator supports CR of type Druid.
  • Druid CR belongs to api Group druid.apache.org and version v1alpha1

Druid Operator Architecture

Druid Operator

Notifications

  • The project moved to Kubebuilder v3 which requires a manual change in the operator.
  • Users may experience HPA issues with druid-operator with release 0.0.5, as described in the issue.
  • The latest release 0.0.6 has fixes for the above issue.
  • The operator has moved from HPA apiVersion autoscaling/v2beta1 to autoscaling/v2 API users will need to update there HPA Specs according v2beta2 api in order to work with the latest druid-operator release.
  • Users may experience pvc deletion issue in release 0.0.6, this issue has been fixed in patch release 0.0.6.1.
  • druid-operator has moved Ingress apiVersion networking/v1beta1 to networking/v1. Users will need to update there Ingress Spec in the druid CR according networking/v1 syntax. In case users are using schema validated CRD, the CRD will also be needed to be updated.
  • druid-operator has moved PodDisruptionBudget apiVersion policy/v1beta1 to policy/v1. Users will need to update there Kubernetes versions to 1.21+ to use druid-operator tag 0.0.9+.
  • The latest release for druid-operator is v1.0.0, this release is compatible with k8s version 1.25. HPA API is kept to version v2beta2.

Kubernetes version compatibility

druid-operator 0.0.9 v1.0.0 v1.1.0
kubernetes <= 1.20 ❌ ❌ ❌
kubernetes == 1.21 ✅ ❌ ❌
kubernetes >= 1.22 and < 1.25 ✅ ✅ ❌
kubernetes > 1.25 ❌ ❌ ✅

Contributors

Note

Apache®, Apache Druid, Druid® are either registered trademarks or trademarks of the Apache Software Foundation in the United States and/or other countries. This project, druid-operator, is not an Apache Software Foundation project.