更多kubernetes文章：k8s專欄目錄
目錄位置 heapster/deploy/kube-config/influxdb/E1118 07:05:45.339132 1 reflector.go:203] k8s.io/heapster/metrics/sources/kubelet/kubelet.go:342: Failed to list *api.Node: Get https://kubernetes.default/api/v1/nodes?resourceVersion=0: dial tcp: i/o timeoutkubernetes.default 訪問不到，實際上是kube-dns出了問題，暫時還沒解決。這邊先寫死了ip:port來訪問的，我的宿主機是192.168.1.138，配置的就是192.168.1.138:6443，就可以訪問了。修改heapster.yaml配置- --source=kubernetes:

https://kubernetes.default  為 - --source=kubernetes:https://192.168.1.138:6443dns問題目前還沒解決E0409 06:05:27.448890 1 reflector.go:190] k8s.io/heapster/metrics/util/util.go:30: Failed to list *v1.Node: nodes is forbidden: User "system:serviceaccount:kube-system:heapster" cannot list nodes at the cluster scope缺角色 無權訪問再啟動 heapster/deploy/kube-config/rbac/heapster-rbac.yaml就可以訪問了E0409 07:40:05.082253 1 influxdb.go:208] Failed to create influxdb: Retention Policy creation failed: json: cannot unmarshal number into Go value of type struct { Results []client.Result "json:\"results,omitempty\""; Err string "json:\"error,omitempty\"" }暫時不知道什麼問題kube top 可以看node 和pod 的資源佔用情況 需要預先安裝heapster

[[email protected] ~]# kubectl top
Display Resource (CPU/Memory/Storage) usage.

The top command allows you to see the resource consumption for nodes or pods.

This command requires Heapster to be correctly configured and working on the server.

Available Commands:
  node        Display Resource (CPU/Memory/Storage) usage of nodes
  pod         Display Resource (CPU/Memory/Storage) usage of pods

Usage:
  kubectl top [options]

Use "kubectl <command> --help" for more information about a given command.
Use "kubectl options" for a list of global command-line options (applies to all commands).
 

安裝失敗時

[[email protected] ~]# kubectl top node
error: metrics not available yet

安裝成功時

[[email protected] rbac]# kubectl top node
NAME          CPU(cores)   CPU%      MEMORY(bytes)   MEMORY%   
tensorflow0   1046m        26%       1759Mi          22%       
tensorflow1   211m         5%        3237Mi          42%       
tensorflow2   61m          1%        1406Mi          18%