Host dev
  Hostname dev
  User oliver
  Port 2222


Host saopaulo
  Hostname saopaulo
  User ansible
  IdentityFile /mnt/encrypted_volume/.ssh/saopaulo

Host mumbai
  Hostname mumbai
  User ansible
  IdentityFile /mnt/encrypted_volume/.ssh/mumbai

Host london
  Hostname london
  User ansible
  IdentityFile /mnt/encrypted_volume/.ssh/london

Host boston
  Hostname boston
  User ansible
  IdentityFile /mnt/encrypted_volume/.ssh/boston