Class: Fission::Command::Suspend

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

Returns a new instance of Suspend.



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

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

Instance Method Details

#execute ⇒ Object 



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

def execute
  option_parser.parse! @args

  if @args.count != 1 && !@options.all
    Fission.ui.output self.class.help
    Fission.ui.output ""
    Fission.ui.output_and_exit "Incorrect arguments for suspend command", 1
  end

  vms_to_suspend.each do |vm_name|
    Fission.ui.output "Suspending '#{vm_name}'"
    Fission::VM.new(vm_name).suspend
  end
end

#option_parser ⇒ Object 



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# File 'lib/fission/command/suspend.rb', line 44

def option_parser
  optparse = OptionParser.new do |opts|
    opts.banner = "\nsuspend usage: fission suspend [vm | --all]"

    opts.on '--all', 'Suspend all running VMs' do
      @options.all = true
    end
  end

  optparse
end

#vms_to_suspend ⇒ Object 



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# File 'lib/fission/command/suspend.rb', line 25

def vms_to_suspend
  if @options.all
    vms_to_suspend = VM.all_running
  else
    vm_name = @args.first
    unless Fission::VM.exists? vm_name
      Fission.ui.output ''
      Fission.ui.output_and_exit "Unable to find the VM #{vm_name} (#{Fission::VM.path(vm_name)})", 1
    end

    unless VM.all_running.include?(vm_name)
      Fission.ui.output ''
      Fission.ui.output_and_exit "VM '#{vm_name}' is not running", 1
    end

    vms_to_suspend = [vm_name]
  end
end