ztp: DU profile RDS rules to work with kube-compare

[pixelsoccupied]

This PR introduces go template validation rules around DU profile RDS. The rules should be able to run with kube-compare

Required and Optional RDS are structured based on upstream doc

[pixelsoccupied]

/cc @nocturnalastro

[pixelsoccupied]

/hold Making some review changes

[irinamihai]

Hey, @pixelsoccupied! Really nice to see templating leveraged here. :rocket: I'm wondering if it would be an option to avoid having 2 sets of source-crs. Including them in the manner you're proposing in this PR creates yet another location where these CRs need to be kept in sync and updated manually.

[pixelsoccupied]

yet another location where these CRs need to be kept in sync

Absolutely....I'm not a fan of this also. Ultimately we need some kind of tooling satisfy the need for "legacy" source-crs used by PGT and only keep this go-template/kube-compare version. I'll follow up with you and Ian for brainstorming and track this work better

[nocturnalastro]

@pixelsoccupied @irinamihai I wonder if we could produce the templates from normal source-crs + some kustomize overlays or recreate the normal source-crs from the templates?

[AlinaSecret]

@nocturnalastro The plan is to recreate the source-crs from the templates, its in progress :) @imiller0 @pixelsoccupied are there any reasons to change the plan?

[imiller0]

/retest

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: imiller0, pixelsoccupied

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[pixelsoccupied]

/unhold

[imiller0]

/retest