kubectl-druid-plugin

• Kubectl plugin to simplify operations on apache druid CR.

Prerequisite

• Apache Druid CRD defination to be installed.
• An apache druid CR managed apache druid cluster running.
• https://github.com/druid-io/druid-operator/tree/master/deploy/crds

Getting Started

• NOTE: go version 1.15
• go build -o kubectl-druid
• mv kubectl-druid /usr/local/bin
• kubectl druid --help

Build using Docker

• make build
• mv build/pkg/kubectl-druid-${OS}-${ARCH} /usr/local/bin/kubectl-druid
• kubectl druid --help

Download the artifacts

• Go to Github Actions
• Download the artifact zip file.

Commands

• List All Druid CR's in a k8s cluster

kubectl druid list

• List Druid CR's in a namespace

kubectl druid list --namespace <namespace>

• Get Druid Nodes's in a namespace for a specific cr

kubectl druid get nodes --cr <cr>--namespace <namespace>

• Scale Druid Replicas for a specific druid cr node in a namespace

kubectl druid scale --cr <cr> --namespace <namespace> --node middlemanager --replicas 4

• Update Image for a specific druid CR node in namespace

kubectl druid update --cr <cr> --image <image> --namespace <namespace> --node broker

• Patch Operation of CR Flags

kubectl druid patch --cr <cr> --namespace <namespace> --deleteOrphanPvc true
kubectl druid patch --cr <cr> --namespace <namespace> --rollingDeploy true

• Shorthand supported

- n for namespace

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, kubectl-druid-plugin, is not an Apache Software Foundation project.