== Overview

this scenario tests federation with lmd or http. The topology looks like:

  thruk
  ├── tier1a
  │   ├── tier2a
  │   │    ├── tier3a
  │   │    └── tier3b
  │   │    └── tier3c  # icinga 2 instance
  │   ├── tier2b
  │   ├── tier2c
  │   └── tier2e       # old ubuntu
  ├── tier1b
  ├── tier1c
  └── tier1d            # basic auth enabled thruk instance
      └── tier2d
