--output json added to aws

[kulik0v]

It can be text by default and fail.

[k8s-ci-robot]

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[chrisz100]

@kulik0v please sign the CLA before we proceed here. This also sets you up for all other CNCF projects so its an easy but powerful step!

[kulik0v]

/check-cla

[chrisz100]

/ok-to-test
/lgtm

[mikesplain]

Thanks for the contribution @kulik0v! Much appreciated!

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chrisz100, kulik0v, mikesplain

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