DOCS-2075: Operator IP pool management docs

[caseydavenport]

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Calico v3.28 / Enterprise v3.19

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[radTuti]

lgtm

[ctauchen]

@caseydavenport You mentioned some other docs work we should consider for the multiple ip pools work. How to add ip pools, how to disable operator management of ip pools, considerations for upgrades. Are you planning to handle those separately, or has the scope changed?

[caseydavenport]

I believe the considerations for upgrades are no longer necessary, as I have adjusted the way the feature behaves such that there are no extra steps required on upgrade.

How to add ip pools, how to disable operator management of ip pools

I think these are good to have and would like to add them to this PR (or a follow on). I am not sure the right place to put them though, so would be happy to hear any recommendations!

[ctauchen]

I believe the considerations for upgrades are no longer necessary, as I have adjusted the way the feature behaves such that there are no extra steps required on upgrade.

How to add ip pools, how to disable operator management of ip pools

I think these are good to have and would like to add them to this PR (or a follow on). I am not sure the right place to put them though, so would be happy to hear any recommendations!

I'd imagine this could work as a single page in here: https://docs.tigera.io/calico/latest/networking/ipam/.

Something along the lines of:

# Create multiple IP pools

## (Concept) Understanding multiple IP pools

Answers the questions: Who needs this? What's it good for?

## (Procedure) Create additional IP pools

## (Procedure) Prevent the operator from managing IP pools

[caseydavenport]

@ctauchen I've pushed some new content to this PR that I'd like your eyes on :)

If it looks good, I think it should also be added to the unrelease enterprise documentation - should I simply copy the changes there?

[caseydavenport]

@ctauchen did you get a chance to take a look at this one?

[ctauchen]

Some comments, mostly formatting with a few line edits. Let me take a final look after you make changes. When these are all good, we can get this all copied to /calico-enterprise/ to make it in for CE 3.19 EP2.

[caseydavenport]

@ctauchen thanks for the review! Think I got all of them now

[ctauchen]

Thanks for the fixes @caseydavenport. You can update the same docs in ./calico-enterprise and we can get this merged. Thanks!

[caseydavenport]

Thanks @ctauchen - updated enterprise as well.

[caseydavenport]

@ctauchen shoot, looks like I overwrite the other fix commits. Hold off on reviewing again.

[caseydavenport]

@ctauchen OK, I think it should be good to go now.

[ctauchen]

LGTM