App Framework: Support Local Storage

[drnguyen]

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Feature Request

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Describe the request

• A clear and concise description of the request.

The current version of appFramework supports only S3, Azure or Google Cloud. Hence a deployed Splunk cluster must have Internet connection or an external cloud storage just to download, pull files and put to the appFramework location.

This makes it very difficult to deploy systems that do not have access to the Internet, e.g. systems that must be air-gaped.

Also, these cloud-based app pulling also wider the attack surface to Splunk systems.

Expected behavior

• A clear and concise description of what you expected to happen.

A local storage system, such as NFS or folder-based, support so that Splunk admin can simply drop tgz or spl packages there for app update.

Splunk setup on K8S

• Details of the Splunk setup on the K8s cluster.

Reproduction/Testing steps

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K8s environment

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Proposed changes(optional)

• Proposed change, if any.

K8s collector data(optional)

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Additional context(optional)

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Private cloud solutions that do not have access to Amazon, Google, nor Microsoft public clouds.