Class: Lxc::Storage::OverlayDirectory

Inherits:
Object
  • Object
show all
Includes:
Helpers
Defined in:
lib/elecksee/storage/overlay_directory.rb

Overview

Overlay directory backed storage

Direct Known Subclasses

CloneDirectory

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helpers

#child_process_command, #detect_home, #log, #mixlib_shellout_command, #run_command, #sudo

Constructor Details

#initialize(name, args = {}) ⇒ OverlayDirectory

Create new instance

Parameters:

  • name (String) —

    storage name (usually container name)

  • args (Hash) (defaults to: {})

Options Hash (args):

  • :tmp_dir (String) —

    path to temporary directory



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# File 'lib/elecksee/storage/overlay_directory.rb', line 20

def initialize(name, args={})
  @name = name
  @tmp_dir = args[:tmp_dir] || '/tmp/lxc/ephemerals'
  create
end

Instance Attribute Details

#name ⇒ String (readonly)

Returns storage name (usually container name).

Returns:

  • (String) —

    storage name (usually container name)



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# File 'lib/elecksee/storage/overlay_directory.rb', line 9

def name
  @name
end

#tmp_dir ⇒ String (readonly)

Returns path to temporary directory.

Returns:

  • (String) —

    path to temporary directory



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# File 'lib/elecksee/storage/overlay_directory.rb', line 11

def tmp_dir
  @tmp_dir
end

Instance Method Details

#create ⇒ TrueClass, FalseClass

Create the storage

Returns:

  • (TrueClass, FalseClass) 


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# File 'lib/elecksee/storage/overlay_directory.rb', line 35

def create
  unless(File.directory?(overlay_path))
    command("mkdir -p #{overlay_path}", :sudo => true)
    true
  else
    false
  end
end

#destroy ⇒ TrueClass, FalseClass

Destroy the storage

Returns:

  • (TrueClass, FalseClass) 


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# File 'lib/elecksee/storage/overlay_directory.rb', line 47

def destroy
  if(File.directory?(overlay_path))
    command("rm -rf #{overlay_path}", :sudo => true)
    true
  else
    false
  end
end

#overlay_path ⇒ String Also known as: target_path

Returns path to overlay directory.

Returns:

  • (String) —

    path to overlay directory



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# File 'lib/elecksee/storage/overlay_directory.rb', line 27

def overlay_path
  File.join(tmp_dir, 'virt-overlays', name)
end