Class: Fission::Command::Clone

Inherits:
Fission::Command show all
Defined in:
lib/fission/command/clone.rb

Instance Attribute Summary

Attributes inherited from Fission::Command

#args, #options

Instance Method Summary collapse

Methods inherited from Fission::Command

help

Constructor Details

#initialize(args = []) ⇒ Clone

Returns a new instance of Clone.



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# File 'lib/fission/command/clone.rb', line 5

def initialize(args=[])
  super
  @options.start = false
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/fission/command/clone.rb', line 10

def execute
  option_parser.parse! @args

  unless @args.count > 1
    Fission.ui.output self.class.help
    Fission.ui.output ""
    Fission.ui.output_and_exit "Incorrect arguments for clone command", 1
  end

  source_vm = @args.first
  target_vm = @args[1]

  unless Fission::VM.exists? source_vm
    Fission.ui.output_and_exit "Unable to find the source vm #{source_vm} (#{Fission::VM.path(source_vm)})", 1 
  end

  if Fission::VM.exists? target_vm
    Fission::ui.output_and_exit "The target vm #{target_vm} already exists", 1
  end

  Fission::VM.clone source_vm, target_vm

  Fission.ui.output ''
  Fission.ui.output 'Clone complete!'

  if @options.start
    Fission.ui.output "Starting '#{target_vm}'"
    @vm = Fission::VM.new target_vm
    @vm.start
  end
end

#option_parser ⇒ Object 



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# File 'lib/fission/command/clone.rb', line 42

def option_parser
  optparse = OptionParser.new do |opts|
    opts.banner = "\nclone usage: fission clone source_vm target_vm [options]"

    opts.on '--start', 'Start the VM after cloning' do
      @options.start = true
    end
  end

  optparse
end