Class: IPVSLitmus::Service

Inherits:
Object
  • Object
show all
Defined in:
lib/ipvs_litmus/service.rb

Instance Method Summary collapse

Constructor Details

#initialize(name, dependencies = [], checks = []) ⇒ Service

Returns a new instance of Service.



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# File 'lib/ipvs_litmus/service.rb', line 3

def initialize(name, dependencies = [], checks = [])
  @name = name
  @dependencies = dependencies
  @checks = checks
end

Instance Method Details

#_determine_forced_health ⇒ Object 



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# File 'lib/ipvs_litmus/service.rb', line 45

def _determine_forced_health
  _health_files.map do |health, status_file|
    ForcedHealth.new(health, status_file.content) if status_file.exists?
  end.compact.first
end

#_health_files ⇒ Object 



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# File 'lib/ipvs_litmus/service.rb', line 36

def _health_files
  @health_files ||= [
    [0, IPVSLitmus::StatusFile.new('down', @name)],
    [100, IPVSLitmus::StatusFile.new('up', @name)],
    [0, IPVSLitmus::StatusFile.new('global_down')],
    [100, IPVSLitmus::StatusFile.new('global_up')]
  ]
end

#current_health ⇒ Object 



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# File 'lib/ipvs_litmus/service.rb', line 13

def current_health
  forced_health = _determine_forced_health
  return forced_health unless forced_health.nil?

  health = IPVSLitmus::Health.new
  @dependencies.each do |dependency|
    health.ensure(dependency)
  end

  @checks.each do |check|
    health.perform(check)
  end
  health
end

#depends(dependency_class, *args) ⇒ Object 



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# File 'lib/ipvs_litmus/service.rb', line 32

def depends(dependency_class, *args)
  @dependencies << dependency_class.new(*args)
end

#measure_health(metric_class, options) ⇒ Object 



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# File 'lib/ipvs_litmus/service.rb', line 28

def measure_health(metric_class, options)
  @checks << metric_class.new(options[:weight])
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ipvs_litmus/service.rb', line 9

def success?
  health > 0
end