Install KubeBlocks with Helm

KubeBlocks is kubernetes-native, you can use Helm to install it.

note

If you install KubeBlocks with Helm, to uninstall it, you have to use Helm too.

Make sure you have kubectl and Helm installed.

Environment preparation

Resource Requirements
Control Plane	It is recommended to create 1 node with 4 cores, 4GB memory and 50GB storage.
Data Plane	MySQL	It is recommended to create at least 3 nodes with 2 cores, 4GB memory and 50GB storage.
	PostgreSQL	It is recommended to create at least 2 nodes with 2 cores, 4GB memory and 50GB storage.
	Redis	It is recommended to create at least 2 nodes with 2 cores, 4GB memory and 50GB storage.
	MongoDB	It is recommended to create at least 3 nodes with 2 cores, 4GB memory and 50GB storage.

Installation steps

Use Helm and follow the steps below to install KubeBlocks.

1. Create dependent CRDs.

   kubectl create -f https://github.com/apecloud/kubeblocks/releases/download/v0.8.1/kubeblocks_crds.yaml

2. Add Helm repo.

   helm repo add kubeblocks https://apecloud.github.io/helm-charts
   helm repo update

3. Install KubeBlocks.

   helm install kubeblocks kubeblocks/kubeblocks --namespace kb-system --create-namespace

   If you want to install KubeBlocks with custom tolerations, you can use the following command:

   helm install kubeblocks kubeblocks/kubeblocks --namespace kb-system --create-namespace \
       --set-json 'tolerations=[ { "key": "control-plane-taint", "operator": "Equal", "effect": "NoSchedule", "value": "true" } ]' \
       --set-json 'dataPlane.tolerations=[{ "key": "data-plane-taint", "operator": "Equal", "effect": "NoSchedule", "value": "true"    }]'

   If you want to install KubeBlocks with a specified version, follow the steps below.

   1. View the available versions in KubeBlocks Release.

   2. Specify a version with --version and run the command below.

      helm install kubeblocks kubeblocks/kubeblocks --namespace kb-system --create-namespace --version="x.x.x"
   note

   By default, the latest release version is installed.

Verify KubeBlocks installation

Run the following command to check whether KubeBlocks is installed successfully.

kubectl -n kb-system get pods

Result

If the KubeBlocks Workloads are all ready, KubeBlocks has been installed successfully.

NAME                                            READY   STATUS    RESTARTS      AGE
kb-addon-snapshot-controller-649f8b9949-2wzzk   1/1     Running   2 (24m ago)   147d
kubeblocks-dataprotection-f6dbdbf7f-5fdr9       1/1     Running   2 (24m ago)   147d
kubeblocks-6497f7947-mc7vc                      1/1     Running   2 (24m ago)   147d