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tools/kubeblocks_helm/README.md

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Install pika cluster by kubeblocks

Fellow the kubeblock docs Install kbcli

install kubeblocks

Fellow the kubeblock docs kubeblocks

install pika cluster

install pika CD and pika cluster

First, use helm install pika cluster definition and install pika cluster.

bash
cd ./tools/kubeblocks-helm/
helm install pika ./pika
helm install pika-cluster ./pika-cluster

Wait for pika cluster until the status to be Running.

bash
kubectl get cluster --watch

Add Pika instance to codis

Then connect codis front end.

bash
kubectl port-forward svc/pika-cluster-codis-fe 8080

Open browser and visit http://localhost:8080

connect to pika cluster

bash
kubectl port-forward svc/pika-cluster-codis-proxy 19000
# start new terminal
redis-cli -p 19000 info

uninstall pika cluster

bash
helm uninstall pika-cluster
helm uninstall pika

Scale pika cluster

Scale out

  1. First, edit pika-cluster/values.yaml to increase replicaCount.
  2. Then upgrade the cluster.
bash
helm upgrade pika-cluster ./pika-cluster

Scale in

scale in is not supported now.

Install pika Master/Slave group by kubeblocks

Install pika CD and pika Master/Slave

First,use helm install pika-master-slave-group componentdefinition and pika-master-slave cluster

bash
cd ./tools/kubeblocks-helm/
helm install pika-master-slave ./pika-master-slave
helm install pika-master-slave-cluster ./pika-master-slave-cluster

Wait for pika-master-slave-pika-{index} pods until the status all to be Running.

bash
kubectl get pods --watch

connect to pika master-slave cluster

bash
kubectl port-forward svc/pika-master-slave-cluster-pika 9221
#start new terminal
redis-cli -p 9221

uninstall pika master-slave-cluster

bash
helm uninstall pika-master-slave-cluster
helm uninstall pika-master-slave

Back up and restore a cluster

Ensure that the default BackupRepo is defined Fellow the kubeblock docs kubeblocks

create backup

bash
kbcli cluster backup pika-master-slave-cluster --method datafile

Select a backup and create a cluster.

bash
kbcli cluster restore <clusterName> --backup <backup-name>