Class: Fission::Command::Start

Inherits:
Fission::Command show all
Defined in:
lib/fission/command/start.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 = []) ⇒ Start

Returns a new instance of Start.



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

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

Instance Method Details

#execute ⇒ Object 



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

def execute
  option_parser.parse! @args

  if @args.empty?
    Fission.ui.output self.class.help
    Fission.ui.output ""
    Fission.ui.output_and_exit "Incorrect arguments for start command", 1
  end

  vm_name = @args.first

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

  if VM.all_running.include?(vm_name)
    Fission.ui.output ''
    Fission.ui.output_and_exit "VM '#{vm_name}' is already running", 0
  end

  Fission.ui.output "Starting '#{vm_name}'"
  @vm = Fission::VM.new vm_name

  if @options.headless
    if Fission::Fusion.is_running?
      Fission.ui.output 'It looks like the Fusion GUI is currently running'
      Fission.ui.output 'A VM cannot be started in headless mode when the Fusion GUI is running'
      Fission.ui.output_and_exit "Exit the Fusion GUI and try again", 1
    else
      @vm.start :headless => true
    end
  else
    @vm.start
  end
end

#option_parser ⇒ Object 



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# File 'lib/fission/command/start.rb', line 46

def option_parser
  optparse = OptionParser.new do |opts|
    opts.banner = "\nstart usage: fission start vm [options]"

    opts.on '--headless', 'Start the VM in headless mode (i.e. no Fusion GUI console)' do
      @options.headless = true
    end
  end

  optparse
end