Class: Fog::Compute::Libvirt::Volume

Inherits:
Model
  • Object
show all
Includes:
Fog::Compute::LibvirtUtil
Defined in:
lib/fog/libvirt/models/compute/volume.rb

Instance Attribute Summary collapse

Attributes inherited from Model

#collection, #connection

Instance Method Summary collapse

Methods included from Fog::Compute::LibvirtUtil

#randomized_name, #to_xml, #xml_element, #xml_elements

Methods inherited from Model

#inspect, #reload, #symbolize_keys, #to_json, #wait_for

Methods included from Attributes::ClassMethods

#_load, #aliases, #attribute, #attributes, #identity, #ignore_attributes, #ignored_attributes

Methods included from Attributes::InstanceMethods

#_dump, #attributes, #dup, #identity, #identity=, #merge_attributes, #new_record?, #requires, #requires_one

Constructor Details

#initialize(attributes = { }) ⇒ Volume

Can be created by passing in :xml => “<xml to create volume>” A volume always belongs to a pool, :pool_name => “<name of pool>”



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# File 'lib/fog/libvirt/models/compute/volume.rb', line 26

def initialize(attributes={ })
  @xml = attributes.delete(:xml)
  super(defaults.merge(attributes))

  # We need a connection to calculate the pool_name
  # This is why we do this after super
  self.pool_name ||= default_pool_name
end

Instance Attribute Details

#xml ⇒ Object (readonly)

Returns the value of attribute xml.



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# File 'lib/fog/libvirt/models/compute/volume.rb', line 10

def xml
  @xml
end

Instance Method Details

#clone(name) ⇒ Object

Clones this volume to the name provided



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# File 'lib/fog/libvirt/models/compute/volume.rb', line 55

def clone(name)
  new_volume      = self.dup
  new_volume.key  = nil
  new_volume.name = name
  new_volume.save

  new_volume.reload
end

#destroy ⇒ Object

Destroy a volume



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# File 'lib/fog/libvirt/models/compute/volume.rb', line 45

def destroy
  connection.volume_action key, :delete
end

#save ⇒ Object

Takes a pool and either :xml or other settings

Raises:



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# File 'lib/fog/libvirt/models/compute/volume.rb', line 36

def save
  requires :pool_name

  raise Fog::Errors::Error.new('Reserving an existing volume may create a duplicate') if key
  @xml ||= to_xml
  self.path = connection.create_volume(pool_name, xml).path
end

#wipe ⇒ Object

Wipes a volume , zeroes disk



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# File 'lib/fog/libvirt/models/compute/volume.rb', line 50

def wipe
  connection.volume_action key, :wipe
end