// getContainerInfo contacts kubelet for the container informaton. The "Stats"
// in the returned ContainerInfo is subject to the requirements in statsRequest.
func getContainerInfo(c *client.Client, nodeName string, req *kubelet.StatsRequest) (map[string]cadvisor.ContainerInfo, error) {
reqBody, err := json.Marshal(req)
if err != nil {
return nil, err
}
data, err := c.Post().
Prefix("proxy").
Resource("nodes").
Name(fmt.Sprintf("%v:%v", nodeName, ports.KubeletPort)).
Suffix("stats/container").
SetHeader("Content-Type", "application/json").
Body(reqBody).
Do().Raw()
var containers map[string]cadvisor.ContainerInfo
err = json.Unmarshal(data, &containers)
if err != nil {
return nil, err
}
return containers, nil
}