[metrics-bugs] #22207 [Core Tor/Tor]: Add bridge authority fingerprint to sanitized bridge network statuses

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#22207: Add bridge authority fingerprint to sanitized bridge network statuses
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 Reporter:  karsten          |          Owner:  metrics-team
     Type:  enhancement      |         Status:  merge_ready
 Priority:  Medium           |      Milestone:  Tor: 0.3.1.x-final
Component:  Core Tor/Tor     |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:  intro, SponsorM  |  Actual Points:  .5
Parent ID:                   |         Points:  .5
 Reviewer:  isis             |        Sponsor:
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Changes (by karsten):

 * cc: iwakeh (added)


Comment:

 https://collector.torproject.org/#type-bridge-network-status is indeed a
 rather informal specification of ''sanitized'' bridge network statuses.
 We'll update that specification as soon as CollecTor includes the new
 `fingerprint` line, either from original bridge network statuses or from
 filenames of statuses produced until Bifroest is updated. We'll call that
 version of bridge network statuses `@type bridge-network-status 1.2`. In
 the next steps, we'll need to update metrics-lib and Stem to recognize the
 new version and line.

 But do we need a formal specification document for ''original'' bridge
 network statuses produced by Bifroest and consumed by BridgeDB and
 CollecTor's bridge descriptor sanitizer? That document would probably live
 next to dir-spec.txt in torspec.git. We didn't have such a document until
 now, but I can see the value of having it. It might be a fine
 collaboration task for the network and metrics teams, maybe including a
 [https://trac.torproject.org/projects/tor/ticket/18797#comment:7 grammar]
 that we can use to generate parsers! (That all would be a new ticket.)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22207#comment:10>
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