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Helm chart to Run a CubeFS Cluster in Kubernetes

The cubefs-helm repository can help you deploy CubeFS cluster quickly in containers orchestrated by kubernetes. Kubernetes 1.12+ and Helm 3 are required. cubefs-helm has already integrated CubeFS CSI plugin

Download cubefs-helm

$ git clone https://github.com/cubefs/cubefs-helm
$ cd cubefs-helm

Copy kubeconfig file

CubeFS CSI driver will use client-go to connect the Kubernetes API Server. First you need to copy the kubeconfig file to cubefs-helm/cubefs/config/ directory, and rename to kubeconfig

$ cp ~/.kube/config cubefs/config/kubeconfig

Create configuration yaml file

Create a cubefs.yaml file, and put it in a user-defined path. Suppose this is where we put it.

$ cat ~/cubefs.yaml 

path:
  data: /cubefs/data
  log: /cubefs/log

datanode:
  disks:
    - /data0:21474836480
    - /data1:21474836480 

metanode:
  total_mem: "26843545600"

provisioner:
  kubelet_path: /var/lib/kubelet

Note that cubefs-helm/cubefs/values.yaml shows all the config parameters of CubeFS. The parameters path.data and path.log are used to store server data and logs, respectively.

Add labels to Kubernetes node

You should tag each Kubernetes node with the appropriate labels accorindly for server node and CSI node of CubeFS.

kubectl label node <nodename> cubefs-master=enabled
kubectl label node <nodename> cubefs-metanode=enabled
kubectl label node <nodename> cubefs-datanode=enabled
kubectl label node <nodename> cubefs-csi-node=enabled

Deploy CubeFS cluster

$ helm install cubefs ./cubefs -f ~/cubefs.yaml