Install certmanager

If you skip this - you'll need to go through the operator code and remove references + it wont support tls

kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.13.1/cert-manager.yaml

Create namespace

If you want to use another namespace, please refer to the values.yaml of the nifioperator and update it as well as the cluster resources to support it.

The operator "Watches" resources in a specific namespaces only so you have to configure the role properly.

kubectl create namespace nifi

Installing the chart

helm install nifikop ./nifioperator --namespace nifi

On Openshift

uid=$(kubectl get namespace nifi -o=jsonpath='{.metadata.annotations.openshift.io/sa.scc.supplemental-groups}' | sed 's//10000$//' | tr -d '[:space:]')

helm install nifikop
./nifioperator
--namespace=nifi
--set runAsUser=$uid

Create a ZK cluster

Make sure to replace global.storageClass with your own. Also, increase these resoure limits don't fit production.

helm repo add bitnami https://charts.bitnami.com/bitnami

helm install zookeeper bitnami/zookeeper
--namespace=zookeeper
--set resources.requests.memory=256Mi
--set resources.requests.cpu=250m
--set resources.limits.memory=256Mi
--set resources.limits.cpu=250m
--set global.storageClass=ebs-sc
--set networkPolicy.enabled=true
--set replicaCount=3
--create-namespace

On openshift

Run the following to get the zk UID

zookeper_uid=$(kubectl get namespace zookeeper -o=jsonpath='{.metadata.annotations.openshift\.io/sa\.scc\.supplemental-groups}' | sed 's/\/10000$//' | tr -d '[:space:]')

helm install zookeeper bitnami/zookeeper \
    --set resources.requests.memory=256Mi \
    --set resources.requests.cpu=250m \
    --set resources.limits.memory=256Mi \
    --set resources.limits.cpu=250m \
    --set global.storageClass=ebs-sc \
    --set networkPolicy.enabled=true \
    --set replicaCount=3 \
    --set containerSecurityContext.runAsUser=$zookeper_uid \
    --set podSecurityContext.fsGroup=$zookeper_uid

Edit the nifi CRD

Edit the storage class definition and other settings for the cluster.

Apply the nifi CRD

kubectl create -n nifi -f simplenifi.yaml

On openshift:

uid=$(kubectl get namespace nifi -o=jsonpath='{.metadata.annotations.openshift\.io/sa\.scc\.supplemental-groups}' | sed 's/\/10000$//' | tr -d '[:space:]')
sed -i "s/1000690000/$uid/g" openshift.yaml
kubectl create -n nifi -f openshift.yaml