Class: Nines::Check

Inherits:
Object
  • Object
show all
Defined in:
lib/nines/check.rb

Direct Known Subclasses

HttpCheck, PingCheck

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(group, options) ⇒ Check

Returns a new instance of Check.



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# File 'lib/nines/check.rb', line 5

def initialize(group, options)
  @group = group
  @hostname = options['hostname']
  @name = options['name'] || @hostname
  @timeout = options['timeout_sec'] || 10
  @port = options['port']
  @interval = options['interval_sec'] || 60
  
  @logger = Nines::App.logger || STDOUT
  @notifier = Nines::App.notifier
  
  @times_notified = {}
  @up = true
  @since = Time.now.utc
  @cycles = 0
end

Instance Attribute Details

#address ⇒ Object

Returns the value of attribute address.



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# File 'lib/nines/check.rb', line 3

def address
  @address
end

#cycles ⇒ Object

Returns the value of attribute cycles.



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# File 'lib/nines/check.rb', line 3

def cycles
  @cycles
end

#group ⇒ Object

Returns the value of attribute group.



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# File 'lib/nines/check.rb', line 3

def group
  @group
end

#hostname ⇒ Object

Returns the value of attribute hostname.



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# File 'lib/nines/check.rb', line 3

def hostname
  @hostname
end

#interval ⇒ Object

Returns the value of attribute interval.



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# File 'lib/nines/check.rb', line 3

def interval
  @interval
end

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/nines/check.rb', line 3

def logger
  @logger
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/nines/check.rb', line 3

def name
  @name
end

#notifier ⇒ Object

Returns the value of attribute notifier.



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# File 'lib/nines/check.rb', line 3

def notifier
  @notifier
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/nines/check.rb', line 3

def port
  @port
end

#since ⇒ Object

Returns the value of attribute since.



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# File 'lib/nines/check.rb', line 3

def since
  @since
end

#timeout ⇒ Object

Returns the value of attribute timeout.



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# File 'lib/nines/check.rb', line 3

def timeout
  @timeout
end

#up ⇒ Object

Returns the value of attribute up.



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# File 'lib/nines/check.rb', line 3

def up
  @up
end

Instance Method Details

#log_status(up, description) ⇒ Object 



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# File 'lib/nines/check.rb', line 22

def log_status(up, description)
  if up
    logger.puts "[#{Time.now}] - #{name} - Check passed: #{description}"
    
    case @up
    when true
      @cycles += 1
    when false
      @up = true
      @since = Time.now.utc
      @cycles = 0
      
      # back up notification
      if notifier
        @times_notified.keys.each do |contact_name|
          logger.puts "[#{Time.now}] - #{name} - UP again, notifying contact '#{contact_name}'"
          notifier.notify!(contact_name, self)
        end
        @times_notified = {}
      end
    end
  else
    logger.puts "[#{Time.now}] - #{name} - Check FAILED: #{description}"
    
    case @up
    when false
      @cycles += 1
    when true
      @up = false
      @since = Time.now.utc
      @cycles = 0
    end
    
    if notifier && to_notify = group.contacts_to_notify(@cycles, @times_notified)
      to_notify.each do |contact_name|
        logger.puts "[#{Time.now}] - #{name} - Notifying contact '#{contact_name}'"
        notifier.notify!(contact_name, self)
        @times_notified[contact_name] ||= 0
        @times_notified[contact_name] += 1
      end
    end
  end
end