CnameQRV4

It is control panel for cdn.debian.net. http://www.slideshare.net/ar_maniacs/araki-gemdebian2013b

Components of cdn.debian.net

1. CnameQRV4 (Control plane): It is included in this package. Run as a Rails Application on httpd.
2. HTTP checker for surrogate.
3. DNS (derived from DNSbalance. It is NOT included in this package. See https://github.com/armaniacs/cdn-dns )

Components of CnameQRV4

CnameQRV depends many of libraries.

• Rails4.0
• aws-sdk
• dalli (memcached library for ruby)

Run

CnameQRV4 is running as an application of rails.

Cron run for periodic check

Set following configuration by crontab -e.

*/10 * * * * /usr/bin/curl localhost/check/check20 >/dev/null

/check/check20 picks 20 hosts. It delegates healthcheck of mirror servers through SQS.