Class: Fission::Command::Delete

Inherits:

Fission::Command

• Object
• Fission::Command
• Fission::Command::Delete

Defined in:

lib/fission.old/command/delete.rb

Instance Attribute Summary

Attributes inherited from Fission::Command

#args, #options

Instance Method Summary

• #execute ⇒ Object
• #initialize(args = []) ⇒ Delete constructor

  A new instance of Delete.

• #option_parser ⇒ Object

Methods inherited from Fission::Command

help

Constructor Details

#initialize(args = []) ⇒ Delete

Returns a new instance of Delete.

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

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

Instance Method Details

#execute ⇒ Object

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

def execute
  option_parser.parse! @args

  if @args.count < 1
    Fission.ui.output self.class.help
    Fission.ui.output ""
    Fission.ui.output_and_exit "Incorrect arguments for delete command", 1
  end

  target_vm_name = @args.first
  target_vm=Fission::VM.new(target_vm_name)
  unless target_vm.exists?
    Fission.ui.output_and_exit "Vm #{target_vm_name} does not exist at (#{target_vm.path})", 1
  end

  if target_vm.running?
    Fission.ui.output 'VM is currently running'
    if @options.force
      Fission.ui.output 'Going to stop it'
      Fission::Command::Stop.new([target_vm_name]).execute
    else
      Fission.ui.output_and_exit "Either stop/suspend the VM or use '--force' and try again.", 1
    end
  end


  if Fission::Fusion.running?
    Fission.ui.output 'It looks like the Fusion GUI is currently running'

    if @options.force
      Fission.ui.output 'The Fusion metadata for the VM may not be removed completely'
    else
      Fission.ui.output "Either exit the Fusion GUI or use '--force' and try again"
      Fission.ui.output_and_exit "NOTE: Forcing a VM deletion with the Fusion GUI running may not clean up all of the VM metadata", 1
    end
  end

  delete_task = Fission::VM.delete target_vm_name

  if delete_task.successful?
    Fission.ui.output ''
    Fission.ui.output "Deletion complete!"
  else
    Fission.ui.output_and_exit "There was an error deleting the VM.  The error was:\n#{delete_task.output}", delete_task.code
  end
end

#option_parser ⇒ Object

# File 'lib/fission.old/command/delete.rb', line 57

def option_parser
  optparse = OptionParser.new do |opts|
    opts.banner = "\ndelete usage: fission delete target_vm [--force]"

    opts.on '--force', "Stop the VM if it's running and then delete it" do
      @options.force = true
    end
  end

  optparse
end