Kubernetes operator for CDAP

Project Status

Alpha

The CDAP Operator is still under active development and has not been extensively tested in production environment. Backward compatibility of the APIs is not guaranteed for alpha releases.

Prerequisites

Version >= 1.9 of Kubernetes.
Version >= 6.0.0 of CDAP

Quick Start

Build and Run Locally

You can checkout the CDAP Operator source code, build and run locally. To build the CDAP Operator, you need to setup your environment for the Go language. Also, you should have a Kubernetes cluster

Checkout CDAP Operator source

mkdir -p $GOPATH/src/cdap.io
cd $GOPATH/src/cdap.io
git clone https://github.com/cdapio/cdap-operator.git
cd cdap-operator

Generates and install the CRDs
```
make install
```
Compiles and run the CDAP Operator
```
make run
```
Deploy CDAP CRD to the cluster
```
kubectl apply -k config/crd
```

Edit the sample CDAP CR and deploy to the cluster

kubectl apply -f config/samples/cdap_v1alpha1_cdapmaster.yaml

Build Controller Docker Image and Deploy in Kubernetes

You can also build a docker image containing the CDAP controller and deploy it to Kubernetes.

Build the docker image
```
IMG=cdap-controller:latest make docker-build
```
You can change the target image name and tag by setting the IMG environment variable.

Push the docker image

IMG=cdap-controller:latest make docker-push

Deploy CDAP CRD and RBAC to the cluster
```
make deploy
```

Using CDAP operator to manage CDAP instances in Kubernetes

A step by step guide of running CDAP in Kubernetes using CDAP operator can be found in the blog post.

Running Unit Tests

Install kubebuilder.
Install setup-envtest by running:

go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest

After installing setup-envtest, use it to download envtest 1.19.x for kubebuilder and to set your KUBEBUILDER_ASSETS environment variable:

# Downloads envtest v1.19.x and writes the export statement to a temporary file
$(go env GOPATH)/bin/setup-envtest use -p env 1.19.x > /tmp/setup_envtest.sh
# Sets the KUBEBUILDER_ASSETS environment variable
source /tmp/setup_envtest.sh
# Deletes the temporary file
rm /tmp/setup_envtest.sh

Run make test

License

sumitjnn/cdap-operator

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