Clusters: map[string]*api.Cluster{
			clusterName: cluster,
		},
		AuthInfos: map[string]*api.AuthInfo{
			userName: {
				Token: string(token),
			},
		},
		Contexts: map[string]*api.Context{
			contextName: {
				AuthInfo: userName,
				Cluster:  clusterName,
			},
		},
		CurrentContext: contextName,
	}

	lcfg, err := latest.Scheme.ConvertToVersion(kcfg, latest.ExternalVersion)

clusters:
- cluster:
    certificate-authority-data: Y2FEYXRh
    server: https://1.2.3.4
  name: {cluster}
contexts:
- context:
    cluster: {cluster}
    user: {cluster}
  name: {cluster}
current-context: {cluster}
kind: Config
preferences: {}
users:
- name: {cluster}
  user:
    token: token
`, "{cluster}", fakeClusterName)

	cases := []struct {

                  "uid": "$datasource"
               },
               "expr": "sum by (cluster, namespace, job) (\n    rate(\n        process_cpu_seconds_total{\n            cluster=~\"$cluster\",\n            namespace=~\"$namespace\",\n            job=~\"$job\"\n        }\n    [$__rate_interval])\n)\n",
               "intervalFactor": 2,
               "legendFormat": "{{cluster}} - {{namespace}}\n"
            }
         ],
         "title": "CPU Usage",

      "version_info": "2024-03-04T08:37:44Z/4",
      "dynamic_active_clusters": [
        {
          "cluster": {
            "@type": "type.googleapis.com/envoy.config.cluster.v3.Cluster",
            "name": "inbound-vip|9080|http|ratings.default.svc.cluster.local",
            "type": "EDS",
            "eds_cluster_config": {
              "eds_config": {
                "ads": {},

                    }
                  },
                  {
                    "match": {
                      "prefix": "/static",
                      "case_sensitive": true
                    },
                    "route": {
                      "cluster": "outbound|9080||productpage.default.svc.cluster.local",
                      "timeout": "0s",

cluster/agent                                                       cluster/agent                         -        -          -               STATIC     
cluster/inbound-vip|8000|http|httpbin.default.svc.cluster.local     httpbin.default.svc.cluster.local     8000     http       inbound-vip     EDS        

  istioctl proxy-config clusters <pod-name[.namespace]> --port 9080

  # Retrieve full cluster dump for clusters that are inbound with a FQDN of details.default.svc.cluster.local.
  istioctl proxy-config clusters <pod-name[.namespace]> --fqdn details.default.svc.cluster.local --direction inbound -o json

  # Retrieve cluster summary without using Kubernetes API
  ssh <user@hostname> 'curl localhost:15000/config_dump' > envoy-config.json

  periodSeconds: 15
  timeoutSeconds: 10
  successThreshold: 1
  failureThreshold: 3
```

## Cluster probe

### Cluster-writeable probe

The reply is '200 OK' if cluster has write quorum if not it returns '503 Service Unavailable'.

```
curl http://minio1:9001/minio/health/cluster
HTTP/1.1 503 Service Unavailable
Accept-Ranges: bytes
Content-Length: 0
Server: MinIO
Vary: Origin

                    "endpoint_config": {
                        "@type": "type.googleapis.com/envoy.config.endpoint.v3.ClusterLoadAssignment",
                        "cluster_name": "outbound|9080||reviews.default.svc.cluster.local",
                        "endpoints": [
                            {
                                "locality": {},
                                "lb_endpoints": [
                                    {

    },
    {
      "@type": "type.googleapis.com/envoy.admin.v3.ClustersConfigDump",
      "dynamic_active_clusters": [
        {
          "cluster": {
            "@type": "type.googleapis.com/envoy.config.cluster.v3.Cluster",
            "name": "outbound|9080|v1|productpage.default.svc.cluster.local",
            "type": "EDS",
            "eds_cluster_config": {
              "eds_config": {
                "ads": {},