Class: Ramdo::DiskInstance

Inherits:
Object
  • Object
show all
Defined in:
lib/ramdo/disk_instance.rb

Constant Summary collapse

NAME_PATTERN = 
/^ramdo_disk_([a-z0-9]+)$/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ DiskInstance

Returns a new instance of DiskInstance.



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# File 'lib/ramdo/disk_instance.rb', line 29

def initialize(path)
  @path = path
end

Instance Attribute Details

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/ramdo/disk_instance.rb', line 27

def path
  @path
end

Class Method Details

.create ⇒ Object 



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# File 'lib/ramdo/disk_instance.rb', line 16

def self.create
  path = File.join('/tmp', self.generate_name)
  Dir.mkdir(path)

  self.new(path)
end

.generate_name ⇒ Object 



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# File 'lib/ramdo/disk_instance.rb', line 23

def self.generate_name
  "ramdo_disk_#{SecureRandom.hex(4)}"
end

.list ⇒ Object 



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# File 'lib/ramdo/disk_instance.rb', line 5

def self.list
  disks = []
  Dir.glob('/tmp/*').each do |dir|
    if (dir.split(File::SEPARATOR).last =~ NAME_PATTERN) && File.writable?(dir)
      disks << self.new(dir)
    end
  end

  disks
end

Instance Method Details

#destroy! ⇒ Object 



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# File 'lib/ramdo/disk_instance.rb', line 33

def destroy!
  return false unless Dir.exist? @path
  FileUtils.rm_r @path, :force => true
end