[tor-bugs] #2666 [Tor Relay]: Create a nagios config for dirauths

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#2666: Create a nagios config for dirauths
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 Reporter:  mikeperry  |          Owner:       
     Type:  task       |         Status:  new  
 Priority:  normal     |      Milestone:       
Component:  Tor Relay  |        Version:       
 Keywords:             |         Parent:  #2664
   Points:             |   Actualpoints:       
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Comment(by karsten):

 The consensus-health checker in metrics-web now writes a status file that
 Nagios parses to learn about potential problems with the consensus
 process.  Nagios currently warns in the following cases:

  - `$dirSource does not support consensus method $consensusMethod`
  - `$dirSource recommends other client versions than the consensus`
  - `$dirSource recommends other server versions than the consensus`
  - `$dirSource sets conflicting or invalid consensus parameters`
  - `$dirSource's certificate expires in the next 14 days`
  - `We're missing votes from the following directory authorities:
 $dirSource*`
  - `The last consensus published at $validAfterTime is more than 3 hours
 old`

 I'm happy to add more checks if someone comes up with ideas.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2666#comment:1>
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