Class: Claws::EC2::Presenter

Inherits:
Object
  • Object
show all
Defined in:
lib/claws/presenter/ec2.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(instance, options = {}) ⇒ Presenter

Returns a new instance of Presenter.



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# File 'lib/claws/presenter/ec2.rb', line 9

def initialize(instance, options = {})
  @ec2 = instance.extend(Claws::Support)
  @roles = options[:roles] || []
  @region = options[:region]
  freeze
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth) ⇒ Object 



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# File 'lib/claws/presenter/ec2.rb', line 32

def method_missing(meth)
  case meth
  when :name
    @ec2.send(:tags)['Name'] || 'N/A'
  when @ec2.try(:tags) && @ec2.tags.has_key?(meth)
    @ec2.tags[meth] || 'N/A'
  else
    begin
      @ec2.send(meth)
    rescue Exception
      'N/A'
    end
  end
end

Instance Attribute Details

#roles ⇒ Object 



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# File 'lib/claws/presenter/ec2.rb', line 20

def roles
  @roles.empty? ? 'N/A' : @roles.join(', ')
end

Instance Method Details

#region ⇒ Object 



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# File 'lib/claws/presenter/ec2.rb', line 16

def region
  @region || 'N/A'
end

#security_groups ⇒ Object 



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# File 'lib/claws/presenter/ec2.rb', line 28

def security_groups
  @ec2.try(:security_groups) ? @ec2.security_groups.map {|sg| "#{sg.id}: #{sg.name}"}.join(', ') : 'N/A'
end

#tags ⇒ Object 



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# File 'lib/claws/presenter/ec2.rb', line 24

def tags
  @ec2.try(:tags) ? @ec2.tags.select {|k,v| [k,v] unless k.downcase == 'name'}.map{|k,v| "#{k}: #{v}"}.join(', ') : 'N/A'
end