Class: Lita::Handlers::Nagios

Inherits:
Handler
  • Object
show all
Defined in:
lib/lita/handlers/nagios.rb

Instance Method Summary collapse

Constructor Details

#initialize(robot) ⇒ Nagios

Returns a new instance of Nagios.



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# File 'lib/lita/handlers/nagios.rb', line 13

def initialize(robot)
  @site = NagiosHarder::Site.new(
    robot.config.handlers.nagios.cgi,
    robot.config.handlers.nagios.user,
    robot.config.handlers.nagios.pass,
    robot.config.handlers.nagios.version,
    robot.config.handlers.nagios.time_format,
    robot.config.handlers.nagios.verify_ssl
  )
  super(robot)
end

Instance Method Details

#acknowledge(response) ⇒ Object 



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# File 'lib/lita/handlers/nagios.rb', line 90

def acknowledge(response)
  args = response.extensions[:kwargs]
  return response.reply("Missing 'host' argument") unless args[:host]

  user = response.message.source.user.name
  message =  args[:message] ? "#{args[:message]} (#{user})" : "acked by #{user}"

  if args[:service]
    method_w_params = [ :acknowledge_service, args[:host], args[:service], message ]
    reply = "#{args[:service]} on #{args[:host]}"
  else
    method_w_params = [ :acknowledge_host, args[:host], message ]
    reply = args[:host]
  end

  reply = @site.send(*method_w_params) ? "Acknowledgment set for #{reply}" : "Failed to acknowledge #{reply}"
  response.reply(reply)
end

#receive(request, response) ⇒ Object 



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# File 'lib/lita/handlers/nagios.rb', line 157

def receive(request, response)
  params = request.params

  if params.has_key?("room")
    room = params["room"]
  elsif config.default_room
    room = config.default_room
  else
    raise "Room must be defined. Either fix your command or specify a default room ('config.handlers.nagios.default_room')"
  end

  message = nil
  case params["notificationtype"]
  when "ACKNOWLEDGEMENT"
    message = "[ACK] "
  when "PROBLEM", "RECOVERY"
    message = ""
  else
    # Don't process FLAPPING* and DOWNTIME* events for now
    return
  end

  case params["type"]
  when "service"
    message += "#{params["host"]}:#{params["description"]} is #{params["state"]}: #{params["output"]}"
  when "host"
    message += "#{params["host"]} is #{params["state"]}: #{params["output"]}"
  else
    raise "Notification type must be defined in Nagios command ('host' or 'service')"
  end

  target = Source.new(room: room)
  robot.send_message(target, "nagios: #{message}")
rescue Exception => e
  Lita.logger.error(e)
end

#recheck(response) ⇒ Object 



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# File 'lib/lita/handlers/nagios.rb', line 62

def recheck(response)
  args = response.extensions[:kwargs]
  return response.reply("Missing 'host' argument") unless args[:host]

  if args[:service]
    method_w_params = [ :schedule_service_check, args[:host], args[:service] ]
    reply = "#{args[:service]} on #{args[:host]}"
  else
    method_w_params = [ :schedule_host_check, args[:host] ]
    reply = args[:host]
  end

  reply = @site.send(*method_w_params) ? "Check scheduled for #{reply}" : "Failed to schedule check for #{reply}"
  response.reply(reply)
end

#schedule_downtime(response) ⇒ Object 



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# File 'lib/lita/handlers/nagios.rb', line 121

def schedule_downtime(response)
  args = response.extensions[:kwargs]
  return response.reply("Missing 'host' argument") unless args[:host]

  units = { "m" => :minutes, "h" => :hours, "d" => :days }
  match = /^(?<value>\d+)(?<unit>[#{units.keys.join}])?$/.match(args[:duration])
  return response.reply("Invalid downtime duration") unless (match and match[:value])

  duration = match[:unit] ? match[:value].to_i.send(units[match[:unit]]) : match[:value].to_i

  options = case response.match_data[:type]
  when "fixed"
    { type: :fixed, start_time: Time.now, end_time: Time.now + duration }
  when "flexible"
    { type: :flexible, hours: (duration / 3600), minutes: (duration % 3600 / 60) }
  end.merge({ author: "#{response.message.source.user.name} via Lita" })

  if args[:service]
    method_w_params = [ :schedule_service_downtime, args[:host], args[:service], options ]
    reply = "#{args[:service]} on #{args[:host]}"
  else
    method_w_params = [ :schedule_host_downtime, args[:host], options ]
    reply = args[:host]
  end

  reply = @site.send(*method_w_params) ? "#{options[:type].capitalize} downtime set for #{reply}" : "Failed to schedule downtime for #{reply}"
  response.reply(reply)
end

#toggle_notifications(response) ⇒ Object 



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# File 'lib/lita/handlers/nagios.rb', line 41

def toggle_notifications(response)
  args = response.extensions[:kwargs]
  return response.reply("Missing 'host' argument") unless args[:host]

  action = response.match_data[:action]

  reply = @site.send("#{action}_service_notifications", args[:host], args[:service])
  response.reply(reply)
end