Class: Awsome::Requirements

Inherits:
Object
  • Object
show all
Defined in:
lib/awsome/requirements.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(requirements_hash) ⇒ Requirements

Returns a new instance of Requirements.



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# File 'lib/awsome/requirements.rb', line 8

def initialize(requirements_hash)
  @requirements = requirements_hash.clone
  @options = Awsome::RequirementsOptions.new(@requirements)
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/awsome/requirements.rb', line 6

def options
  @options
end

Class Method Details

.from_yaml_file(filename) ⇒ Object 



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# File 'lib/awsome/requirements.rb', line 13

def self.from_yaml_file(filename)
  new(YAML::load(File.open(filename, 'r').read))
end

.to_table(requirements, title = 'Requirements') ⇒ Object 



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# File 'lib/awsome/requirements.rb', line 33

def self.to_table(requirements, title='Requirements')
  rows = []

  #add requirement rows
  requirements.each do |req|
    rows << [
      req.tags.collect { |v| "#{v[0]}: #{v[1]}" }.join("\n"),
      req.packages.to_a.join("\n"),
      req.volumes.to_a.join("\n"),
      req.elbs.join("\n"),
      req.elastic_ips.join("\n"),
      req.cnames.collect{|c|c['names']}.flatten.join("\n"),
      req.ami_id,
      req.key,
      req.instance_type,
      req.availability_zone,
      req.security_group_ids
    ]
    rows << :separator
  end

  # remove last unnecessary separator
  rows.pop if rows.any?

  headings = %w(tags packages volumes elbs elasticips cnames ami key type zone secgroup)
  Terminal::Table.new :headings => headings, :rows => rows, :title => title
end

Instance Method Details

#filters ⇒ Object 



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# File 'lib/awsome/requirements.rb', line 25

def filters
  @requirements['filters'] || {}
end

#instances ⇒ Object 



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# File 'lib/awsome/requirements.rb', line 17

def instances
  @instances ||= @requirements['instances'].collect do |req| 
    instance = req.clone
    instance = inflate(instance, instance.delete('traits'))
    Awsome::InstanceRequirement.new(instance, @options) 
  end
end

#traits ⇒ Object 



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# File 'lib/awsome/requirements.rb', line 29

def traits
  @requirements['traits'] || {}
end