Class: SimpleDeploy::CLI::Clone

Inherits:
Object
  • Object
show all
Includes:
Shared
Defined in:
lib/simple_deploy/cli/clone.rb

Instance Method Summary collapse

Methods included from Shared

#command_name, #parse_attributes, #rescue_exceptions_and_exit, #valid_options?

Instance Method Details

#cloneObject



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# File 'lib/simple_deploy/cli/clone.rb', line 10

def clone
  @opts = Trollop::options do
    version SimpleDeploy::VERSION
    banner <<-EOS

Clone a stack.

simple_deploy clone -s SOURCE_STACK_NAME -n NEW_STACK_NAME -e ENVIRONMENT -a ATTRIB1=VALUE -a ATTRIB2=VALUE

EOS
    opt :help, "Display Help"
    opt :environment, "Set the target environment", :type => :string
    opt :input_stack, "Read outputs from given stack(s) and map them \
to parameter inputs in the new stack. These will be passed to inputs with \
matching or pluralized names. Can be specified multiple times.", :type  => :string,
                                                           :multi => true
    opt :log_level, "Log level:  debug, info, warn, error", :type    => :string,
                                                            :default => 'info'
    opt :source_name, "Stack name for the stack to clone", :type => :string
    opt :new_name, "Stack name for the new stack", :type => :string
    opt :attributes, "= separated attribute and it's value", :type  => :string,
                                                             :multi => true
    opt :template, "Path to a new template file", :type => :string
    opt :read_from_env, "Read credentials and region from environment variables"
  end

  valid_options? :provided => @opts,
                 :required => [:environment,
                               :source_name,
                               :new_name,
                               :read_from_env]

  config_arg = @opts[:read_from_env] ? :read_from_env : @opts[:environment]
  SimpleDeploy.create_config config_arg
  SimpleDeploy.logger @opts[:log_level]

  override_attributes = parse_attributes :attributes => @opts[:attributes]
  cloned_attributes = filter_attributes source_stack.attributes

  template_file = Tempfile.new("#{@opts[:new_name]}_template.json")
  template_file_path = template_file.path

  if @opts[:template]
    template_file_path = @opts[:template]
  else
    template_file.write source_stack.template
  end

  if @opts[:input_stack]
    input_attributes = mapper.map_outputs_from_stacks :stacks => @opts[:input_stack],
                                                      :template => template_file_path
    new_overrides = merge_attributes input_attributes, override_attributes
    new_overrides += add_attributes input_attributes, override_attributes
  else
    new_overrides = override_attributes
  end

  new_attributes = merge_attributes cloned_attributes, new_overrides
  new_attributes += add_attributes cloned_attributes, new_overrides

  rescue_exceptions_and_exit do
    new_stack.create :attributes => new_attributes,
                     :template   => template_file_path
  end

  template_file.close
end

#command_summaryObject



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# File 'lib/simple_deploy/cli/clone.rb', line 78

def command_summary
  'Clone a stack'
end