Support for SOCA AWS MachinePools to support EC2 Spot Best practices

[ruecarlo]

Until very recently this document was accurate up to date and spot on (pun intended) in regards to the implementation of Spot on OpenShift https://github.com/openshift/enhancements/blob/master/enhancements/machine-api/spot-instances.md

With the recent release of Cluster API Provider AWS (CAPA) now there is experimental support for MachinePool API's on AWS. This would be the desired approach for users of OpenShift running their workloads on EC2 Spot and adhering Spot best practices.

Note that while the MachinePool API is now implemented, There are still dependencies like Cluster Autoscaler support for MachinePools that might be needed. https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler/cloudprovider/clusterapi

[openshift-bot]

Inactive enhancement proposals go stale after 28d of inactivity.

See https://github.com/openshift/enhancements#life-cycle for details.

Mark the proposal as fresh by commenting /remove-lifecycle stale.
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/lifecycle stale

[openshift-bot]

Stale enhancement proposals rot after 7d of inactivity.

See https://github.com/openshift/enhancements#life-cycle for details.

Mark the proposal as fresh by commenting /remove-lifecycle rotten.
Rotten proposals close after an additional 7d of inactivity.
Exclude this proposal from closing by commenting /lifecycle frozen.

If this proposal is safe to close now please do so with /close.

/lifecycle rotten
/remove-lifecycle stale

[openshift-bot]

Rotten enhancement proposals close after 7d of inactivity.

See https://github.com/openshift/enhancements#life-cycle for details.

Reopen the proposal by commenting /reopen.
Mark the proposal as fresh by commenting /remove-lifecycle rotten.
Exclude this proposal from closing again by commenting /lifecycle frozen.

/close

[openshift-ci]

@openshift-bot: Closing this issue.

In response to this:

Rotten enhancement proposals close after 7d of inactivity.

See https://github.com/openshift/enhancements#life-cycle for details.

Reopen the proposal by commenting /reopen.
Mark the proposal as fresh by commenting /remove-lifecycle rotten.
Exclude this proposal from closing again by commenting /lifecycle frozen.

/close

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