Kubeconfig 多集群上下文合并工具

{
  "apiVersion": "v1",
  "kind": "Config",
  "current-context": "merged-context-1",
  "clusters": [
    {
      "name": "cluster-1",
      "cluster": {
        "server": "https://k8s-cluster-1.example.com:6443"
      }
    },
    {
      "name": "cluster-2",
      "cluster": {
        "server": "https://k8s-cluster-2.example.com:6443"
      }
    }
  ],
  "contexts": [
    {
      "name": "context-1",
      "context": {
        "cluster": "cluster-1",
        "user": "user-1"
      }
    },
    {
      "name": "context-2",
      "context": {
        "cluster": "cluster-2",
        "user": "user-2"
      }
    }
  ],
  "users": [
    {
      "name": "user-1",
      "user": {
        "token": "token-secret-cluster-1"
      }
    },
    {
      "name": "user-2",
      "user": {
        "token": "token-secret-cluster-2"
      }
    }
  ]
}