Class: Makitzo::Config

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
ApplicationAware, Settings
Defined in:
lib/makitzo/config.rb

Constant Summary collapse

MERGER = 
lambda do |k,o,n|
  if o.is_a?(Array)
    n.is_a?(Array) ? (o + n) : (o.dup << n)
  else
    n
  end
end

Instance Method Summary collapse

Methods included from Settings

#[], #[]=, #memo, #read, #set, #settings

Methods included from ApplicationAware

#app, #config, #logger

Constructor Details

#initialize(app) ⇒ Config

Returns a new instance of Config.



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# File 'lib/makitzo/config.rb', line 6

def initialize(app)
  @app = app
  @options_stack = []
  @terminal = HighLine.new
  @store = nil
  @concurrency = nil
  
  @helpers = Module.new do
    def self.method_added(method_name)
      if SSH::Context.protected_context_methods.include?(method_name.to_s)
        raise "The method name '#{method_name}' is used internally by SSH sessions. Please rename your helper."
      end
    end
  end
  
  @mutex = Mutex.new
  initialize_roles
  initialize_hosts
end

Instance Method Details

#concurrency ⇒ Object 



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# File 'lib/makitzo/config.rb', line 33

def concurrency
  @concurrency
end

#concurrency=(concurrency) ⇒ Object 



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# File 'lib/makitzo/config.rb', line 29

def concurrency=(concurrency)
  @concurrency = concurrency
end

#helpers(&block) ⇒ Object

Helpers



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# File 'lib/makitzo/config.rb', line 52

def helpers(&block)
  @helpers.class_eval(&block) if block_given?
  @helpers
end

#memoize(&block) ⇒ Object 



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# File 'lib/makitzo/config.rb', line 60

def memoize(&block)
  MemoizedProc.new(&block)
end

#merged_options(extra_options = {}) ⇒ Object 



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# File 'lib/makitzo/config.rb', line 98

def merged_options(extra_options = {})
  opts = @options_stack.inject({}) { |m,hsh| m.update(hsh, &MERGER) }
  opts.update(extra_options, &MERGER)
end

#password_prompt(prompt = 'Enter password: ') ⇒ Object 



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# File 'lib/makitzo/config.rb', line 74

def password_prompt(prompt = 'Enter password: ')
  ask(prompt) { |q| q.echo = false }
end

#resolve_role(thing) ⇒ Object 



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# File 'lib/makitzo/config.rb', line 139

def resolve_role(thing)
  if thing.is_a?(::Makitzo::World::Role)
    thing
  else
    role_for_name!(thing.to_s)
  end
end

#store ⇒ Object

Raises:



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# File 'lib/makitzo/config.rb', line 44

def store
  raise Store::MissingStoreError if @store.nil?
  @store
end

#store=(store) ⇒ Object

Store



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# File 'lib/makitzo/config.rb', line 40

def store=(store)
  @store = store
end

#synchronize(&block) ⇒ Object 



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# File 'lib/makitzo/config.rb', line 64

def synchronize(&block)
  @mutex.synchronize(&block)
end

#with_options(options) ⇒ Object

Options



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# File 'lib/makitzo/config.rb', line 81

def with_options(options)
  begin
    @options_stack.push(options)
    yield if block_given?
  ensure
    @options_stack.pop
  end
end