Class: Cult::Driver

Inherits:
Object
  • Object
show all
Includes:
Cult::Drivers::Common
Defined in:
lib/cult/driver.rb

Defined Under Namespace

Classes: GemNeededError

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Cult::Drivers::Common

#await_ssh, #backoff_loop, #connect_timeout, #distro_name, #fetch_mapped, included, #slugify, #ssh_key_info

Class Attribute Details

.required_gems ⇒ Object

Returns the value of attribute required_gems.



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# File 'lib/cult/driver.rb', line 23

def required_gems
  @required_gems
end

Class Method Details

.driver_name ⇒ Object 



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# File 'lib/cult/driver.rb', line 25

def driver_name
  name.split('::')
      .last
      .sub(/Driver\z/, '')
      .gsub(/([a-z])([A-Z])/, '\1-\2')
      .downcase
end

.inspect ⇒ Object 



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# File 'lib/cult/driver.rb', line 34

def inspect
  self == Driver ? super : "#{super}/#{driver_name}"
end

.named_array_identifier ⇒ Object 



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# File 'lib/cult/driver.rb', line 40

def named_array_identifier
  driver_name
end

.new(*args) ⇒ Object 



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# File 'lib/cult/driver.rb', line 83

def self.new(*args)
  try_requires!
  super
end

.setup! ⇒ Object 



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# File 'lib/cult/driver.rb', line 78

def self.setup!
  try_requires!
end

.to_s ⇒ Object 



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# File 'lib/cult/driver.rb', line 37

def inspect
  self == Driver ? super : "#{super}/#{driver_name}"
end

.try_requires! ⇒ Object

Attempts to loads all of the required gems before doing any real work



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# File 'lib/cult/driver.rb', line 56

def self.try_requires!
  req = Array(required_gems).map do |gem|
    begin
      require gem
      nil
    rescue LoadError
      gem
    end
  end.compact

  unless req.empty?
    fail GemNeededError.new(req)
  end
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/cult/driver.rb', line 45

def inspect
  "\#<#{self.class.name} \"#{self.class.driver_name}\">"
end

#to_s ⇒ Object 



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# File 'lib/cult/driver.rb', line 50

def to_s
  self.class.driver_name
end