Support regex rewrites for paths during HTTP redirects

[nichcuta]

Description:
Due to legacy reasons we require the ability to regex rewrite some paths during a redirect procedure similarly how its done here.

Note:

Combining a redirect rule together with a rewrite rule does not work since you cant specify both at once.

Underlying envoy proxy supports this so I think its a matter of exposing the configuration?

Thanks,
Nic

[guydc]

sounds reasonable. In terms of API, we can go in one of these directions:

• If GW-API Redirect Filter and the EG Rewrite Filter are both configured, the rewrite applies to the redirect location. For reference, GW-API doesn't allow mixing rewrite and redirect filters natively: HTTPRequestRedirect defines a filter that redirects a request. This filter MUST NOT be used on the same Route rule as a HTTPURLRewrite filter
• Add a new option to the EG HTTPRouteFlter called Redirect, that provides regex rewrite redirect (and possibly other option unsupported by GW-API at the moment). This filter can be configure together with the native redirect filter, as long as there's no ambiguity on path rewrite.

[nichcuta]

Similarly how the regex substitution is not currently supported in GW-API and its implemented in EG HTTPRouteFilter, it would be best to go down that route and implement the second option detailed above.

I'm not fully familiar with the decision-making process, but I just wanted to share my perspective

[arkodg]

+1 with option 2

[github-actions]

This issue has been automatically marked as stale because it has not had activity in the last 30 days.

[nichcuta]

Is this considered for implementation anytime soon?