fix(opensearch): add I4G to list of OpenSearch nodes not requiring EBS volumes#31948
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sumupitchayan
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Confirming with open search documentation:
The i4g instance types require Elasticsearch 7.9 or later or any version of OpenSearch, and do not support EBS storage volumes.
Thanks for the PR @aymen-chetoui
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Issue # (if applicable)
Closes #31764
Reason for this change
CDK is failing to deploy OpenSearch with I4G nodes with error message indicating that EBS configuration is required.
However, OpenSearch clusters with I4G nodes use instance store and cannot be configured with EBS storage.
Description of changes
This change adds I4G node type to the list of OpenSearch nodes that does not support EBS volumes in the cluster configuration.
Description of how you validated changes
Added unit tests and run them successfully
Ran integration test on private account
Checklist
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license