Cluster API로 Kubernetes Cluster 생성하기

Control Plane

Reference

• crds Docs / Cluster API / Cluster

apiVersion: cluster.x-k8s.io/v1beta1
kind: Cluster
spec:
  clusterNetwork:
    pods:
      cidrBlocks:
        - 10.243.0.0/16
    services:
      cidrBlocks:
        - 10.95.0.0/16
  controlPlaneRef: {}
  infrastructureRef: {}

• clusterNetwork
  • pods
    • cidrBlocks: []
  • services
    • cidrBlocks: []
• controlPlaneRef
  • apiVersion: controlplane.cluster.x-k8s.io/v1beta1
  • kind: XXXControlPlane
  • name: <name>
  • namespace: <namespace>
• infrastructureRef
  • apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
  • kind: XXXCluster
  • name: <name>
  • namespace: <namespace>

clusterctl describe cluster <clusterName>

clusterctl get kubeconfig <clusterName> > <clusterName>-config.yaml

Worker

Reference

• crds Docs / Cluster API / MachineDeployment

apiVersion: cluster.x-k8s.io/v1beta1
kind: MachineDeployment
spec:
  clusterName: <clusterName>
  replicas: <replicas>
  selector:
    matchLabels:
      cluster.x-k8s.io/cluster-name: <clusterName>
  template:
    metadata:
      labels:
        cluster.x-k8s.io/cluster-name: <clusterName>
    spec:
      clusterName: <clusterName>
      bootstrap:
        configRef: {}
      infrastructureRef: {}

• template
  • spec
    • bootstrap
      • configRef
        • apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
        • kind: XXXConfigTemplate
        • name: <name>
        • namespace: <namespace>
    • infrastructureRef
      • apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
      • kind: XXXMachineTemplate
      • name: <name>
      • namespace: <namespace>

clusterctl describe cluster <clusterName>