Kubernetes集群的类似top的工具。
遵循Unix/Linux顶级工具的传统，ktop是一个显示有关Kubernetes集群中运行的节点、pod和其他工作负载资源的有用度量信息的工具。
项目地址：https://github.com/vladimirvivien/ktop
使用效果图：
特性
集群资源指标的汇总
无论安不安装metrics-server都可以使用
安装了metrics Server时，ktop将显示由metrics Server报告的资源利用率度量。
没安装metrics Server时，ktop将显示节点和pod的资源请求和限制，而不是资源利用率。
工具参数比较简单，
使用帮助
Usage:
ktop [flags]
Flags:
-A, --all-namespaces If true, display metrics for all accessible namespaces
--as string Username to impersonate for the operation. User could be a regular user or a service account in a namespace.
--as-group stringArray Group to impersonate for the operation, this flag can be repeated to specify multiple groups.
--as-uid string UID to impersonate for the operation.
--cache-dir string Default cache directory (default "${HOME}/.kube/cache")
--certificate-authority string Path to a cert file for the certificate authority
--client-certificate string Path to a client certificate file for TLS
--client-key string Path to a client key file for TLS
--cluster string The name of the kubeconfig cluster to use
--context string The name of the kubeconfig context to use
-h, --help help for ktop
--insecure-skip-tls-verify If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
--kubeconfig string Path to the kubeconfig file to use for CLI requests.
-n, --namespace string If present, the namespace scope for this CLI request
--request-timeout string The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests. (default "0")
-s, --server string The address and port of the Kubernetes API server
--tls-server-name string Server name to use for server certificate validation. If it is not provided, the hostname used to contact the server is used
--token string Bearer token for authentication to the API server
--user string The name of the kubeconfig user to use```
