[WIP] Adding ip_discovery and network_type for elasticache replication group

[jms200]

Description

Adds the ip_discovery parameter to elasticache replication group that is now supported on Redis 6.2 and Memcached engine version 1.6.6 on all instances built on the Nitro system.

Relations

Closes #28131

References

API Documentation: https://docs.aws.amazon.com/AmazonElastiCache/latest/APIReference/API_ReplicationGroup.html

Output from Acceptance Testing

$ make testacc TESTS=TestAccXXX PKG=ec2

...

[github-actions]

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[jms200]

This is still a work in progress and need to get the tests written for the replication group. Additionally need to look into the datasource bits as well.

[jms200]

Currently working through issues with getting acceptance testing to complete.

[kedare]

Hello.

Is there any news on this ? Any help needed ?

Thanks.

[kbergha]

Hi. Any hope of getting this updated for 5.x (if needed) and merged?

[otyaglo]

@bschaatsbergen @jms200 @binxio - what would it take to get this into next release?

[larsboldt]

We need this to properly support IPv6 which is required by law in Norway - please prioritize merging.

[bschaatsbergen]

I'll happily take a stab at it after my holiday @larsboldt

[bschaatsbergen]

I'm moving the fixes into a new branch and PR as I have no write access on the fork, please follow #34019

[github-actions]

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