Class: Nagi::Plugin

Inherits:
Object
  • Object
show all
Defined in:
lib/nagi/plugin.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Plugin

Returns a new instance of Plugin.



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# File 'lib/nagi/plugin.rb', line 5

def initialize
  @optionparser = Nagi::OptionParser.new
end

Instance Attribute Details

#fallback ⇒ Object

Returns the value of attribute fallback.



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# File 'lib/nagi/plugin.rb', line 3

def fallback
  @fallback
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/nagi/plugin.rb', line 3

def name
  @name
end

#optionparser ⇒ Object

Returns the value of attribute optionparser.



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# File 'lib/nagi/plugin.rb', line 3

def optionparser
  @optionparser
end

#prefix ⇒ Object

Returns the value of attribute prefix.



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# File 'lib/nagi/plugin.rb', line 3

def prefix
  @prefix
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/nagi/plugin.rb', line 3

def version
  @version
end

Instance Method Details

#check(options) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/nagi/plugin.rb', line 9

def check(options)
  raise NotImplementedError.new('No check defined')
end

#run(args) ⇒ Object 



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# File 'lib/nagi/plugin.rb', line 18

def run(args)
  options = @optionparser.parse(args)
  begin
    status = self.check(options)
  rescue StandardError => e
    status = Nagi::Status::Unknown.new(e.message)
  end
  unless status.is_a?Nagi::Status::Status
  status = @fallback || Nagi::Status::Unknown.new('Check did not provide a status')
  end
  return status
end

#run! ⇒ Object 



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# File 'lib/nagi/plugin.rb', line 31

def run!
  begin
    status = run(ARGV)
    puts "#{@prefix.upcase if @prefix} #{status}".strip
    exit status.code
  rescue ArgumentError => e
    STDERR.puts("Error: #{e.message}")
    puts ""
    puts @optionparser
    exit 4
  end
end