Adds root redirect feature

Bojan Marjanovicrequested to merge
bojan/root-redirection-feature into master

What does this MR do and why?

This MR is fixing the problem from gitlab-com/gl-infra/tenant-scale/cells-infrastructure/team#237 (closed)

  • Adds root redirect feature
  • Adds root_redirect to application settings,
  • when enabled, it will send updated status response and cache-control header.

Changelog: added

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Before After

How to set up and validate locally

prerequisite: https://gitlab.com/gitlab-org/gitlab-development-kit/-/blob/main/doc/howto/cells.md

  1. Checkout the branch
  2. Follow the video and gitlab-com/gl-infra/tenant-scale/cells-infrastructure/team#237 (closed) steps to reproduce it
  3. Enable the root_redirect feature from Admin UI or rails console
  4. Verify that redirect works as expected 🎉
Edited by Bojan Marjanovic

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