[tor-bugs] #13491 [Tor Sysadmin Team]: Make a separate VM for check.tp.o

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#13491: Make a separate VM for check.tp.o
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     Reporter:  arma               |      Owner:  arlolra
         Type:  enhancement        |     Status:  new
     Priority:  normal             |  Milestone:
    Component:  Tor Sysadmin Team  |    Version:
   Resolution:                     |   Keywords:
Actual Points:                     |  Parent ID:
       Points:                     |
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Comment (by arlolra):

 > Right now Arlo's shiny new go version of check still runs on sergii,
 which is hard to upgrade because of tordnsel.

 Hard only because noone merged those patches way back when but let's
 ignore that for now. #9419

 I started working on a replacement but haven't quite found the time to
 finish that up,
 https://github.com/arlolra/exitaddr

 > If I understand it correctly, check just needs to get a text file from
 tordnsel every hour.

 That's all it needs from TorDNSEL. It also needs the consensus and
 descriptors from tor.

 > If so, it sounds like we should separate the two services, so check can
 run on a normal VM with normal up-to-date versions of things.

 The dependencies for the new VM should be listed on,
 https://trac.torproject.org/projects/tor/wiki/org/operations/Guidelines
 https://gitweb.torproject.org/check.git/blob/HEAD:/Readme.md#l50

 > Arlo, does this all sound right? If so, what level of resources would
 you want this new VM to have? I think all it would run is an apache front-
 end and your check backend.

 Sounds good. I assume whatever resources are allocated to sergii currently
 are sufficient. It hasn't gone down yet and now that it isn't the homepage
 in Tor Browser, probably sees much less use.

 It tried to get a better idea of the resources it's consuming but am
 getting,

 {{{
 λ ssh sergii
 fork failed: Resource temporarily unavailable
 ssh_exchange_identification: Connection closed by remote host
 ssh_exchange_identification: Connection closed by remote host
 }}}

 and some of this,

 {{{
 λ ssh sergii
 Permission denied (publickey).
 ssh_exchange_identification: Connection closed by remote host
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13491#comment:2>
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