Rewrite /deliveryservice_user to Go

[ocket8888]

I'm submitting an ...

improvement request (usability, performance, tech debt, etc.)

Traffic Control components affected ...

• Documentation (possibly)
• Traffic Ops

Current behavior:

/deliveryservice_user is handled by Perl

Expected / new behavior:

/deliveryservice_user should be handled by Go.

Minimum API Version

1.1

Request Methods

• POST

Minimal reproduction of the problem with instructions:

N/A

Anything Else

PR in progress: #2457 . Progress to completion is unknown

[mitchell852]

i think this should be deprecated (not rewritten to Go and a deprecation notice added to the perl response) as assigning delivery services to a user has no effect in our current system due to the introduction of tenancy.

[ocket8888]

the decision to either deprecate and/or rewrite the endpoint can't be made here, but once the decision is made this issue can be closed (if appropriate)

[rawlinp]

+1 on deprecation. If it even does have an affect anywhere, the code should be fixed to where tenant is used over delivery service users.