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Feature #16562

Updated by Peter Amstutz almost 4 years ago

As part of SDK startup, it will: 

 * Fetch the discovery document 
 * Make a call to a new "services" endpoint eg /arvados/v1/config/services 
 * The API server / controller determines if the client is "internal" or "external" based on source IP address 
 * The services endpoint returns the "Services" and "Volumes" portion of the public exported config with the preferred endpoints filled in for "ExternalURL" and "AccessViaHosts". 
 * SDK uses returned URLs in Services list to communicate with Arvados components, eg Controller, Websockets 
 * Use Volumes and AccessViaHosts to determine whether to contact keepstore directly or use keepproxy.    (For external clients, AccessViaHosts URL == keepproxy URL?) 

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