Enable git ssh on Kubernetes in staging

Utilize this issue to track the work necessary to enable the git ssh service inside of staging.

  • gitlab-com enables gitlab-shell
  • terraform changes - reserve IP address
  • chef changes - Ensure that we utilize port 2222 when enabling this backend in chef -#1235 (comment 422349658)
  • configure/validate monitoring
  • configure/validate logging
Edited by John Skarbek