Usage of /usr/bin/nri-discovery-kubernetes:
      --cluster_name string   Set cluster name
      --discover-services     (optional, default false) Discover Kubernetes services instead of just pods
      --host string           (optional, default localhost) Host used to connect to the kubelet (default "localhost")
      --insecure              (optional, default false, deprecated) Use insecure (non-ssl) connection.
                              For backwards compatibility this flag takes precedence over 'tls')
      --kubeconfig string     (optional) Kubeconfig to use to connecto to kubelet
      --namespaces string     (optional, default '') Comma separated list of namespaces to discover pods on
      --node_name string      (optional) Set node name to try to find its IP
      --port int              (optional, default 10255) Port used to connect to the kubelet (default 10250)
      --retries int           (optional, default 5) number of retries before giving up the request to kubelet/API Server (default 5)
      --timeout int           (optional, default 5000) timeout in ms (default 5000)
      --tls                   (optional, default false) Use secure (tls) connection