Class: Fog::HP::BlockStorageV2::Volume

Inherits:
Model
  • Object
show all
Defined in:
lib/fog/hp/models/block_storage_v2/volume.rb

Instance Attribute Summary

Attributes inherited from Model

#collection, #service

Instance Method Summary collapse

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 Core::DeprecatedConnectionAccessors

#connection, #connection=, #prepare_service_value

Methods included from Attributes::InstanceMethods

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

Constructor Details

#initialize(attributes = {}) ⇒ Volume

Returns a new instance of Volume.



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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 25

def initialize(attributes = {})
  # assign these attributes first to prevent race condition with new_record?
  self.image_id = attributes.delete(:image_id)
  super
end

Instance Method Details

#attach(new_server_id, device) ⇒ Object

volume can be attached to only one server at a time



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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 73

def attach(new_server_id, device)
  requires :id
  unless in_use?
    data = service.compute.attach_volume(new_server_id, id, device)
    merge_attributes(:attachments => attachments << data.body['volumeAttachment'])
    true
  else
    false
  end
end

#backing_up? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 60

def backing_up?
  self.status == 'backing-up'
end

#destroy ⇒ Object 



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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 92

def destroy
  requires :id
  service.delete_volume(id)
  true
end

#detach ⇒ Object 



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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 84

def detach
  requires :id
  if has_attachments?
    service.compute.detach_volume(self.server_id, id)
  end
  true
end

#device ⇒ Object

a volume can be attached to only one server at a time



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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 32

def device
  attachments[0]['device'] if has_attachments?
end

#has_attachments? ⇒ Boolean

a volume can be attached to only one server at a time

Returns:

  • (Boolean) 


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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 51

def has_attachments?
  !(attachments.nil? || attachments.empty? || attachments[0].empty?)
end

#image_id ⇒ Object 



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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 46

def image_id
  @image_id = image_metadata['image_id'] if image_metadata
end

#image_id=(new_image_id) ⇒ Object

used for creating bootable volumes



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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 42

def image_id=(new_image_id)
  @image_id = new_image_id
end

#in_use? ⇒ Boolean Also known as: attached?

Returns:

  • (Boolean) 


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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 55

def in_use?
  self.status == 'in-use'
end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 68

def ready?
  self.status == 'available'
end

#restoring? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 64

def restoring?
  self.status == 'restoring-backup'
end

#save ⇒ Object 



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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 98

def save
  identity ? update : create
end

#server_id ⇒ Object

a volume can be attached to only one server at a time



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# File 'lib/fog/hp/models/block_storage_v2/volume.rb', line 37

def server_id
  attachments[0]['server_id'] if has_attachments?
end