Class: Skytap::Commands::Copier

Inherits:
Thread
  • Object
show all
Defined in:
lib/skytap/plugins/vm_copy_to_region.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(logger, username, api_token, vm_id, region, root_dir = nil) ⇒ Copier

Returns a new instance of Copier.



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 83

def initialize(logger, username, api_token, vm_id, region, root_dir = nil)
  @logger = logger
  @username = username
  @api_token = api_token
  @vm_id = vm_id
  @region = region
  @root_dir = File.expand_path(root_dir || '.')

  warn_if_manual_network

  super do
    begin
      run
    rescue Exception => ex
      @result = Response.build(ex)
    end
  end
end

Instance Attribute Details

#api_token ⇒ Object (readonly)

Returns the value of attribute api_token.



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 81

def api_token
  @api_token
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 81

def logger
  @logger
end

#region ⇒ Object (readonly)

Returns the value of attribute region.



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 81

def region
  @region
end

#result ⇒ Object (readonly)

Returns the value of attribute result.



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 81

def result
  @result
end

#root_dir ⇒ Object (readonly)

Returns the value of attribute root_dir.



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 81

def root_dir
  @root_dir
end

#username ⇒ Object (readonly)

Returns the value of attribute username.



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 81

def username
  @username
end

#vm_id ⇒ Object (readonly)

Returns the value of attribute vm_id.



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 81

def vm_id
  @vm_id
end

Instance Method Details

#finished? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 149

def finished?
  @finished.tap do
    @finished = true if @result
  end
end

#manual_network? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 182

def manual_network?
  @_manual_network ||= begin
                        vm = Skytap.invoke!(username, api_token, "vm show #{vm_id}")
                        (iface = vm['interfaces'].try(:first)) && iface['network_type'] == 'manual'
                      end
end

#run ⇒ Object 



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 102

def run
  FileUtils.mkdir_p(root_dir)

  #TODO:NLA Set vmdir = File.join(tmpdir, "tmp_vm_#{vm_id}"). Then on success, remove vmdir.

  downloads = Skytap.invoke!(username, api_token, "vm download #{vm_id}", :dir => root_dir) do |downloader|
    @no_slots_msg = if seconds = downloader.seconds_until_retry
                      m = Integer(seconds / 60)
                      "VM #{vm_id}: No export capacity is currently available on Skytap. Will retry ".tap do |msg|
                        if m < 1
                          msg << 'soon.'
                        else
                          msg << "in #{m} minutes or when more capacity is detected."
                        end
                      end.color(:yellow)
                    end
    @status_line = downloader.status_lines
  end

  @no_slots_msg = nil

  vm_dir = File.join(root_dir, "vm_#{vm_id}")
  unless downloads.include?(vm_dir)
    raise Skytap::Error.new("Response dir unexpected (was: #{downloads}; expected to contain #{vm_dir})")
  end

  # Invoke with an array to treat vm_dir as one token, even if it contains spaces.
  uploads = Skytap.invoke!(username, api_token, ['vm', 'upload', vm_dir], {}, :param => {'region' => region}) do |uploader|
    @no_slots_msg = if seconds = uploader.seconds_until_retry
                      m = Integer(seconds / 60)
                      "VM #{vm_id}: No import capacity is currently available on Skytap. Will retry ".tap do |msg|
                        if m < 1
                          msg << 'soon.'
                        else
                          msg << "in #{m} minutes or when more capacity is detected."
                        end
                        msg
                      end.color(:yellow)
                    end
    @status_line = uploader.status_lines
  end

  FileUtils.rm_r(vm_dir)

  @result = Response.build(uploads)
end

#status_line ⇒ Object 



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 159

def status_line
  payload = result.try(:payload) and return payload

  if @no_slots_msg
    unless @skip_print
      @skip_print = true
      return @no_slots_msg
    end
  else
    @skip_print = false
  end

  @status_line
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 155

def success?
  result && !result.error?
end

#summary ⇒ Object 



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 174

def summary
  status_line.tap do |msg|
    if manual_network?
      msg << " This template has an automatic network, but the template from which it was copied has a manual network. You may want to change the network settings of the new template by creating a configuration from it, editing the network, and finally creating another template from that configuration."
    end
  end
end

#warn_if_manual_network ⇒ Object 



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# File 'lib/skytap/plugins/vm_copy_to_region.rb', line 189

def warn_if_manual_network
  if manual_network?
    msg = 'This VM is attached to a manual network, but the new template will instead contain an automatic network. You may want to change the network settings of the new template by creating a configuration from it, editing the network, and finally creating another template from that configuration.'
    logger.info "VM #{vm_id}: #{msg.color(:yellow)}\n---"
  end
end