[tor-bugs] #7934 [Ooni]: Bouncer for informing probes of collector and test helper addresses

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#7934: Bouncer for informing probes of collector and test helper addresses
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 Reporter:  hellais      |          Owner:  hellais
     Type:  enhancement  |         Status:  new    
 Priority:  normal       |      Milestone:         
Component:  Ooni         |        Version:         
 Keywords:  oonib        |         Parent:         
   Points:               |   Actualpoints:         
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Comment(by aagbsn):

 The first iteration was completed, the tpo collector address is baked into
 ooni-probe, and test_helper addresses baked into the test decks in decks/

 The next step is to devise a bouncer service that can be queried for a
 subset of available test collectors and helpers.

 ooni-probe must be able to query a bouncer service for collector(s) and
 test helper(s)
 ooni-probe must be able to cache a bouncer's reply.
 ooni-probe must provide an API for querying the cached helper and
 collector lists (for NetTests developers).
 ooni-backend should publish its available collector address(es) and test
 helper(s) to a bouncer

 We should also consider:
 a bouncer service must require authentication to register collector
 addresses and test helpers. This could be implemented as a keyed hidden
 service.
 a bouncer service may test collector addresses and helpers before choosing
 to publish them. This could be implemented as an ooni-probe NetTest.

 Thoughts?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7934#comment:2>
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