/k8ssandra_kind_demo

  • Delete Helm repository

helm repo remove k8ssandra helm repo remove traefik helm repo list

  • Start Kind Cluster

kind create cluster --config ./kind.config.yaml

  • Validate the available Kubernetes StorageClasses

kubectl get storageclasses

kubectl apply -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/deploy/local-path-storage.yaml

kubectl get storageclasses

NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE local-path rancher.io/local-path Delete WaitForFirstConsumer false 35m standard (default) rancher.io/local-path Delete WaitForFirstConsumer false 37m

  • Configure the K8ssandra Helm repository

helm repo add k8ssandra https://helm.k8ssandra.io/stable helm repo add traefik https://helm.traefik.io/traefik helm repo update

helm install traefik traefik/traefik --create-namespace -f traefik.yaml helm install -f k8ssandra-1node.yaml k8ssandra k8ssandra/k8ssandra

kubectl get pods

  • Set up port forwarding

kubectl get services

kubectl port-forward svc/k8ssandra-dc1-stargate-service 8080 8081 8082 9042 & kubectl port-forward svc/k8ssandra-grafana 9191:80 & kubectl port-forward svc/prometheus-operated 9292:9090 & kubectl port-forward svc/k8ssandra-reaper-reaper-service 9393:8080 &

kubectl port-forward svc/kubernetes 9000 &

jobs -l

Stargate swagger UI: http://localhost:8082/swagger-ui/ GraphQL Playground: http://localhost:8080/playground Prometheus: http://localhost:9292 Grafana: http://localhost:9191 Reaper: http://localhost:9393/webui

  • Copy Stockwatcher files

kubectl cp cql k8ssandra-dc1-default-sts-0:/home/cassandra/

  • Access Cassandra using the Stargate APIs

curl -L -X POST 'http://localhost:8081/v1/auth' -H 'Content-Type: application/json' --data-raw '{"username": "k8ssandra-superuser", "password": "0fx00j4Y4US5iWgKqtH9"}'

  • Access the Apache Cassandra

  • Retrieve K8ssandra superuser credentials

kubectl get secret k8ssandra-superuser -o jsonpath="{.data.username}" | base64 --decode ; echo kubectl get secret k8ssandra-superuser -o jsonpath="{.data.password}" | base64 --decode ; echo

username: k8ssandra-superuser password: sOzUCJDPQ1ceOTQ6M50K

kubectl exec -it k8ssandra-dc1-default-sts-0 -c cassandra -- nodetool -u k8ssandra-superuser -pw sOzUCJDPQ1ceOTQ6M50K status

cqlsh -u k8ssandra-superuser -p sOzUCJDPQ1ceOTQ6M50K

  • Upgrade notice for K8ssandra 1.1.0

cassandra: datacenters:

  • name: dc1 size: 3

helm upgrade -f k8ssandra-3node.yaml k8ssandra k8ssandra/k8ssandra

kubectl get deployment k8ssandra-dc1-stargate

kubectl scale deployment k8ssandra-dc1-stargate --replicas 3

  • delete cluster