* hosts: 127.0.0.1: check auth host=<check auth host><domain>, get file host=downloader-yandex<num><domain>
* test.sh: -k, -H 'Host: check auth host', -H 'X-Real-IP: <my ip>'
* check-auth.conf: server_name: check auth host
* fastcgi blackbox authorizer conf: check
  <handler>: <handler @url>
  <component blackbox-authorizer>: blackbox-mimino.yandex.net <blackbox>
  <component regional-cdn>: <hosts><host>: <name>=check auth host <regional-module>=ref1 [regional-module-local]
  <component ref1>: <hostlist><handler>=ref2 [disk-downloader-local] cache=[/var/tmp/downloader-cache-local]
  <component daemon-logger>: level=DEBUG (debug)
* /home/hostlist/<ref2>: get file host [curl /ping -> 200, /var/log/messages]
* get-file.conf: get file host
