Class: Fission::Command::Delete

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

Returns a new instance of Delete.



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

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

Instance Method Details

#execute ⇒ Object 



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# File 'lib/fission/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 = @args.first

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

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

  if Fission::Fusion.is_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

  Fission::VM.delete target_vm

  Fission.ui.output ''
  Fission.ui.output "Deletion complete!"
end

#option_parser ⇒ Object 



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# File 'lib/fission/command/delete.rb', line 51

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