Class: VagrantPlugins::Dotvm::ConfigParser

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-dotvm/configparser.rb

Constant Summary collapse

DEFAULT_NET = 
'private_network'
DEFAULT_NETMASK = 
'255.255.255.0'

Instance Method Summary collapse

Constructor Details

#initialize(vars = {}) ⇒ ConfigParser

Returns a new instance of ConfigParser.



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# File 'lib/vagrant-dotvm/configparser.rb', line 8

def initialize(vars = {})
  @vars = vars
end

Instance Method Details

#coalesce(*args) ⇒ Object 



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# File 'lib/vagrant-dotvm/configparser.rb', line 143

def coalesce(*args)
  args.each do |val|
    next if val.nil?
    return val
  end
end

#parse(yaml) ⇒ Object 



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# File 'lib/vagrant-dotvm/configparser.rb', line 108

def parse(yaml)
  config = {
    :machines => []
  }

  yaml['machines'].each do |machine|
    item = parse_machine(machine)

    machine['networks'] and machine['networks'].each do |net|
      item[:networks] << self.parse_net(net)
    end

    machine['provision'] and machine['provision'].each do |prv|
      item[:provision] << self.parse_provision(prv)
    end

    machine['shared_folders'] and machine['shared_folders'].each do |folder|
      item[:folders] << self.parse_folder(folder)
    end

    machine['groups'] and machine['groups'].each do |group|
      item[:groups] << group
    end

    machine['authorized_keys'].to_a.each do |key|
      item[:authorized_keys] << self.parse_authorized_key(key)
    end

    config[:machines] << item
  end

  return self.replace_vars(config)
end

#parse_authorized_key(key) ⇒ Object 



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# File 'lib/vagrant-dotvm/configparser.rb', line 99

def parse_authorized_key(key)
  return {
    :type => key['type'],
    :path => key['path'],
    :key => key['key'],
  }
end

#parse_folder(folder) ⇒ Object 



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# File 'lib/vagrant-dotvm/configparser.rb', line 90

def parse_folder(folder)
  return {
    :host  => folder['host'],
    :guest => folder['guest'],
    :disabled => self.coalesce(folder['disabled'], false),
  }
end

#parse_machine(machine) ⇒ Object 



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# File 'lib/vagrant-dotvm/configparser.rb', line 40

def parse_machine(machine)
  return {
    :nick	      => machine['nick'],
    :name	      => machine['name'],
    :box        => machine['box'],
    :memory     => machine['memory'],
    :cpus       => machine['cpus'],
    :cpucap     => machine['cpucap'],
    :primary    => self.coalesce(machine['primary'], false),
    :natnet     => machine['natnet'],
    :networks   => [],
    :provision  => [],
    :folders    => [
      {
        :host => '%project.host%',
        :guest => '%project.guest%',
        :disabled => false,
      }
    ],
    :groups     => [],
    :authorized_keys => [],
  }
end

#parse_net(net) ⇒ Object 



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# File 'lib/vagrant-dotvm/configparser.rb', line 65

def parse_net(net)
  return {
    :net  => self.coalesce(net['net'], DEFAULT_NET),
    :type => net['type'],
    :ip   => net['ip'],
    :mask => self.coalesce(net['mask'], net['netmask'], DEFAULT_NETMASK),
    :interface => net['interface'],
  }
end

#parse_provision(prv) ⇒ Object 



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# File 'lib/vagrant-dotvm/configparser.rb', line 76

def parse_provision(prv)
  return {
    :type		  => prv['type'],
    :source         => prv['source'],
    :destination    => prv['destination'],
    :path		  => prv['path'],
    :args           => prv['args'],
    :module_path    => prv['module_path'],
    :manifests_path => prv['manifests_path'],
    :manifest_file  => prv['manifest_file'],
  }
end

#replace_vars(value) ⇒ Object 



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# File 'lib/vagrant-dotvm/configparser.rb', line 13

def replace_vars(value)
  if value.kind_of?(Hash)
    result = {}
    value.each do |key, val|
      result[key] = self.replace_vars(val)
    end
  elsif value.kind_of?(Array)
    result = value.map do |val|
      self.replace_vars(val)
    end
  elsif value.kind_of?(String)
    result = value.dup

    @vars.each do |k, v|
      pattern = '%' + k + '%'
      result.gsub! pattern, v
    end
  elsif !value.respond_to?(:duplicable) or !value.duplicable?
    result = value
  else
    result = value.dup
  end

  return result
end