Class: Easymon::Checklist

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/easymon/checklist.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(items = {}) ⇒ Checklist

Returns a new instance of Checklist.



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# File 'lib/easymon/checklist.rb', line 11

def initialize(items={})
  self.items = items
  self.results = {}
end

Instance Attribute Details

#items ⇒ Object

Returns the value of attribute items.



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# File 'lib/easymon/checklist.rb', line 8

def items
  @items
end

#results ⇒ Object

Returns the value of attribute results.



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# File 'lib/easymon/checklist.rb', line 9

def results
  @results
end

Instance Method Details

#as_json(*args) ⇒ Object 



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# File 'lib/easymon/checklist.rb', line 47

def as_json(*args)
  to_hash
end

#check ⇒ Object 



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# File 'lib/easymon/checklist.rb', line 16

def check
  self.results = items.inject({}) do |hash, (name, check)|
    check_result = []
    timing = Benchmark.realtime { check_result = check[:check].check }
    hash[name] = Easymon::Result.new(check_result, timing, check[:critical])
    hash
  end
  [self.success?, self.to_s]
end

#fetch(name) ⇒ Object

The following method could be implemented as a def_delegator by extending Forwardable, but since we want to catch IndexError and raise Easymon::NoSuchCheck, we’ll be explicit here.



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# File 'lib/easymon/checklist.rb', line 64

def fetch(name)
  items.fetch(name)
rescue IndexError
  raise NoSuchCheck, "No check named '#{name}'"
end

#response_status ⇒ Object 



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# File 'lib/easymon/checklist.rb', line 56

def response_status
  success? ? :ok : :service_unavailable
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/easymon/checklist.rb', line 51

def success?
  return false if results.empty?
  results.values.all?(&:success?)
end

#timing ⇒ Object 



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# File 'lib/easymon/checklist.rb', line 26

def timing
  results.values.map{|r| r.timing}.inject(0, :+)
end

#to_hash ⇒ Object 



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# File 'lib/easymon/checklist.rb', line 39

def to_hash
  combined = {:timing => Easymon.timing_to_ms(timing)}
  results.each do |name, result|
    combined[name] = result.to_hash
  end
  combined
end

#to_s ⇒ Object 



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# File 'lib/easymon/checklist.rb', line 34

def to_s
  results.map{|name, result| "#{name}: #{result.to_s}"}.join("\n") +
  "\n - Total Time - " + Easymon.timing_to_ms(self.timing) + "ms"
end

#to_text ⇒ Object 



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# File 'lib/easymon/checklist.rb', line 30

def to_text
  to_s
end