Allow admins to set a system-wide outbound proxy

Problem Definition

There's currently no way to define a global proxy server for all outbound connection from HipChat Server. There's a way to go via a proxy when running an upgrade but enabling video requires a workaround documented in HipChat Video setup fails on servers behind a proxy

Suggested Solution

Set a global proxy server that will be used for all outbound connections. Example:

hipchat network --proxy=http://proxy.example.com:8080/

Workaround

None, setting the below environment variables will only apply to the CLI for commands like curl, wget, ...:

• HTTPS_PROXY='http://proxy.example.com:8080/'
• HTTP_PROXY='http://proxy.example.com:8080/'
• NO_PROXY='localhost,127.0.0.1,localaddress,.localdomain.com'