Class: Xlogin::Factory

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/xlogin/factory.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Factory

Returns a new instance of Factory.



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# File 'lib/xlogin/factory.rb', line 11

def initialize
  @inventory    = Hash.new
  @templates    = Hash.new
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args, **opts, &block) ⇒ Object 



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# File 'lib/xlogin/factory.rb', line 71

def method_missing(method_name, *args, **opts, &block)
  super unless args.size == 2 && URI.regexp =~ args[1]

  type = method_name.to_s.downcase
  name = args[0]
  uri  = args[1]
  set_inventory(name, type: type, uri: uri, **opts)
end

Instance Method Details

#build(type:, **opts) ⇒ Object

Raises:



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# File 'lib/xlogin/factory.rb', line 53

def build(type:, **opts)
  template = get_template(type)
  raise Xlogin::Error.new("Template not found: '#{type}'") unless template

  template.build(uri(opts), **opts)
end

#build_from_hostname(args, **opts) ⇒ Object

Raises:



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# File 'lib/xlogin/factory.rb', line 64

def build_from_hostname(args, **opts)
  hostinfo = get_inventory(args)
  raise Xlogin::Error.new("Host not found: '#{args}'") unless hostinfo

  build(hostinfo.merge(name: args, **opts))
end

#build_pool(args, **opts) ⇒ Object 



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# File 'lib/xlogin/factory.rb', line 60

def build_pool(args, **opts)
  Xlogin::SessionPool.new(args, **opts)
end

#get_inventory(name) ⇒ Object 



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# File 'lib/xlogin/factory.rb', line 20

def get_inventory(name)
  @inventory[name]
end

#get_template(name) ⇒ Object 



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# File 'lib/xlogin/factory.rb', line 45

def get_template(name)
  @templates[name.to_s.downcase]
end

#list_inventory(*patterns) ⇒ Object 



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# File 'lib/xlogin/factory.rb', line 24

def list_inventory(*patterns)
  return @inventory.values if patterns.empty?

  values1 = patterns.map do |pattern|
    values2 = pattern.split(',').map do |entry|
      key, val = entry.to_s.split(':')
      key, val = 'name', key if val.nil?
      @inventory.values.select { |e| File.fnmatch(val, e[key.to_sym]) }
    end
    values2.reduce(&:&)
  end
  values1.reduce(&:|)
end

#list_templates ⇒ Object 



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# File 'lib/xlogin/factory.rb', line 49

def list_templates
  @templates.keys
end

#set_inventory(name, **opts) ⇒ Object 



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# File 'lib/xlogin/factory.rb', line 16

def set_inventory(name, **opts)
  @inventory[name] = (get_inventory(name) || {name: name}).merge(opts)
end

#set_template(name, text = nil, &block) ⇒ Object 



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# File 'lib/xlogin/factory.rb', line 38

def set_template(name, text = nil, &block)
  template = get_template(name) || Xlogin::Template.new(name)
  template.instance_eval(text)   if text
  template.instance_eval(&block) if block
  @templates[name.to_s.downcase] = template
end