cmd := &cobra.Command{
		Use:   "prometheus",
		Short: "Open Prometheus web UI",
		Long:  `Open Istio's Prometheus dashboard`,
		Example: `  istioctl dashboard prometheus

  # with short syntax
  istioctl dash prometheus
  istioctl d prometheus`,
		RunE: func(cmd *cobra.Command, args []string) error {
			client, err := ctx.CLIClientWithRevision(opts.Revision)
			if err != nil {

		Short:   "Validate Istio policy and rules files",
		Example: `  # Validate bookinfo-gateway.yaml
  istioctl validate -f samples/bookinfo/networking/bookinfo-gateway.yaml

  # Validate bookinfo-gateway.yaml with shorthand syntax
  istioctl v -f samples/bookinfo/networking/bookinfo-gateway.yaml

  # Validate all yaml files under samples/bookinfo/networking directory
  istioctl validate -f samples/bookinfo/networking

  istioctl proxy-config all <pod-name[.namespace]>

  # Retrieve full cluster dump as JSON
  istioctl proxy-config all <pod-name[.namespace]> -o json

  # Retrieve full cluster dump with short syntax
  istioctl pc a <pod-name[.namespace]>

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