how to get metrics by client api ?

[damozhiying]

sudo kubectl top node
185.xx.yy.110     878m         2%     18481Mi         29%         
185.xx.yy.111     2571m        8%     18440Mi         29%         
185.xx.yy.112     921m         2%     12111Mi         19%         

how to get metrics by client api ?

[damozhiying]

how to get node cpu and memory usage percentage,i want to get node metrics then custom loadbalance by node cpu,mem usage

[brendandburns]

The metrics APIs are not currently part of this client library because they are not included in the main Kubernetes OpenAPI schema.

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[persunde]

@damozhiying If you want to get Node and/or Pod CPU/Memory metrics check out this K8S client library instead:
https://github.com/fabric8io/kubernetes-client

It has extended functionality that is not part of the Kubernetes OpenAPI, such as fetching metrics data similar to

kubectl top node
kubectl top pod

Just use the code like this:

KubernetesClient client = new DefaultKubernetesClient();
PodMetricsList podMetricsList = client.top().pods().metrics(namespace);

See here for more information:
https://github.com/fabric8io/kubernetes-client/blob/master/doc/CHEATSHEET.md#fetching-metrics

[mattsanta]

Will the metrics APIs be a part of this client library soon?

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[brendandburns]

The metrics APIs are now part of this, see KubectlTop.java (https://github.com/kubernetes-client/java/blob/master/extended/src/main/java/io/kubernetes/client/extended/kubectl/KubectlTop.java)