How to use Azure monitor metrics with Horizontal Pod Autiscaler ?

Amarkumar Mishra - FT 21 Reputation points
2022-05-23T12:04:14.163+00:00

I am pushing a custom metric to Azure Monitor using Azure Monitor REST API. Now I wanted to use this custom metric present on Azure Monitor with Horizontal Pod Autoscaler to trigger scaling of pods. But I am not understanding how to configure HPA to use the above custom metric. I also went through Azure documentation where they are suggesting to use Azure Kubernetes Metric Adapter, but when I am trying to add it in my cluster I am getting this error 

error: unable to recognize "https://raw.githubusercontent.com/Azure/azure-k8s-metrics-adapter/master/deploy/adapter.yaml": no matches for kind "Deployment" in version "apps/v1beta2"

Let me know how I can configure HPA to use custom metric present on Azure Monitor.

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  1. AnuragSingh-MSFT 21,236 Reputation points
    2022-05-24T04:34:00.027+00:00

    @Amarkumar Mishra - FT , thank you for the question.

    The error being received seems to be due to deprecated APIs removed in 1.16+ version of Kubernetes. For more details please refer to: Deprecated APIs Removed In 1.16: Here’s What You Need To Know

    To fix this, you will have to change apiVersion: apps/v1beta2 to apiVersion: apps/v1.
    The referred yaml file in the doc points to an archived repository: Azure/azure-k8s-metrics-adapter and corresponding issue filed for it is available here: Deploying to k8s 1.16.7 fail

    You may copy the content of this yaml file to your local machine, make the api version change and apply. Please let me know if changing the API version as recommended above helps. I am also reaching out to our team to get the Azure doc updated.

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