[tor-bugs] #31159 [Internal Services/Tor Sysadmin Team]: Monitor anti-censorship www services with prometheus

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Jul 24 12:38:34 UTC 2019


#31159: Monitor anti-censorship www services with prometheus
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 Reporter:  phw                                  |          Owner:  tpa
     Type:  task                                 |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Internal Services/Tor Sysadmin Team  |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:                                       |  Actual Points:
Parent ID:  #30152                               |         Points:  1
 Reviewer:                                       |        Sponsor:
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Comment (by hiro):

 Hi,

 There are a few things about what you are asking that we might be able to
 do with prometheus, and some others that we can't do at the moment.

 Like we cannot semd an email and parsing the result because Prometheus
 scrapes http endpoints. Also we are not doing alerting yet, only
 monitoring.

 There is also another aspect to consider, in the case of a service like
 gettor, monitoring the https endpoint will only give us some info about
 the static html we are serving with apache. Gettor itself (the service
 sending emails) is a twisted service instead.

 Maybe we can consider an approach in which services expose an http
 endpoint that we can use to know that the service is alive. Otherwise I
 think we could do some other monitoring via nagios checks.

 More about what can be done on prometheus (and the instance I am setting
 up atm) on https://trac.torproject.org/projects/tor/ticket/29863 where we
 discuss the idea of monitoring disk space for snowflake.
 Also https://help.torproject.org/tsa/howto/prometheus/ for some more
 information.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31159#comment:1>
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