[tor-bugs] #31834 [Circumvention]: Make obfs4 Docker image more usable

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#31834: Make obfs4 Docker image more usable
-------------------------------+-------------------------------
 Reporter:  phw                |          Owner:  phw
     Type:  defect             |         Status:  closed
 Priority:  Medium             |      Milestone:
Component:  Circumvention      |        Version:
 Severity:  Normal             |     Resolution:  fixed
 Keywords:  docker, s30-o24a2  |  Actual Points:  1.1
Parent ID:  #31281             |         Points:  1
 Reviewer:  cohosh             |        Sponsor:  Sponsor30-can
-------------------------------+-------------------------------

Comment (by phw):

 Replying to [comment:22 thymbahutymba]:
 > Replying to [comment:21 phw]:
 > > Am I missing something?
 >
 > I'm point just the fact that if somebody for some reason has to change
 the port he loose not only its users but also its seniority.
 [[br]]
 Right, apart from users, the operator would also give up the bridge's
 statistics (if they were sent to metrics).
 [[br]]
 > I would also let you know that there is an issue in the get-bridge-line
 script, due to the fact that the log might contains multiple "reboot" of
 the docker container with the same line repeated multiple times, this is a
 mess once someone has to run the script because ends up in a plenty of
 meaningless lines before the final result. I think that in order to do fix
 this after the {{{sed}}}  command can be piped the {{{tail}}} command in
 order to get the last line. For example:
 > {{{
 > $(grep '...' "$TOR_LOG" | sed "..." | tail -1)
 > }}}
 [[br]]
 Nice catch! I added a fix [https://dip.torproject.org/torproject/anti-
 censorship/docker-
 obfs4-bridge/commit/bdbd79484fd27a1d0dbf71c37bad6d16cd2cdb89 in this
 commit]. Does it look good to you?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31834#comment:23>
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