[tor-bugs] #10680 [Analysis]: Obtain attributes of current public bridges

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#10680: Obtain attributes of current public bridges
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     Reporter:  sysrqb    |      Owner:
         Type:  task      |     Status:  new
     Priority:  normal    |  Milestone:
    Component:  Analysis  |    Version:
   Resolution:            |   Keywords:
Actual Points:            |  Parent ID:
       Points:            |
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Comment (by sysrqb):

 Replying to [comment:1 karsten]:
 > I wonder, should we use the output of your script to complement the
 [https://metrics.torproject.org/stats.html#servers servers.csv] file
 provided by metrics-web?  There are a few requirements for that, though:

 I think this would be great! I think the only data point we can't supply
 is the country of the bridge, but that's not a huge loss. I can definitely
 adapt the script to produce the necessary info and output to csv. We might
 actually want more information, so I might make this the default output
 (or produce the csv by providing a command line option). Another option is
 to create a script specifically for this and create a second script that
 produces a superset of metrics/bridge attributes.
 >
 >  - Allow the script to be run on a periodically updated local directory
 containing recent descriptors, for example, by running `rsync -arz
 --delete --exclude 'relay-descriptors/votes' metrics.torproject.org
 ::metrics-recent in`.
 >  - Remove all bridges that didn't have the `Running` flag in a bridge
 network status.  Only include server descriptors referenced from bridge
 network statuses, and only include extra-info descriptors referenced from
 server descriptors.
 >  - Add the number of bridges in the EC2 cloud, that is, bridges whose
 nickname starts with `"ec2bridger"`.
 >  - Produce a bridges.csv output file similar to
 [https://metrics.torproject.org/stats.html#servers servers.csv] that can
 be merged with a new relays.csv (produced by  current metrics-web) into
 the new servers.csv.
 >
 None of these should be a problem.

 > If you're interested in writing such a script, I'd want to run it on
 yatei and write the glue code to include your results on the metrics
 website including making new graphs visualizing the new data.
 You'll accept a python script? :) I can write it in java, if you prefer,
 though.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10680#comment:5>
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