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fog--fog/lib/fog/rackspace/models/block_storage/snapshot.rb

89 lines
3.4 KiB
Ruby

require 'fog/core/model'
module Fog
module Rackspace
class BlockStorage
class Snapshot < Fog::Model
AVAILABLE = 'available'
CREATING = 'creating'
DELETING = 'deleting'
ERROR = 'error'
ERROR_DELETING = 'error_deleting'
# @!attribute [r] id
# @return [String] The snapshot id
identity :id
# @!attribute [r] created_at
# @return [String] snapshot creation time
attribute :created_at, :aliases => 'createdAt'
# @!attribute [r] state
# @return [String] snapshot status
attribute :state, :aliases => 'status'
# @!attribute [rw] display_name
# @return [String] display name of snapshot
attribute :display_name
# @!attribute [rw] display_description
# @return [String] display description of snapshot
attribute :display_description
# @!attribute [rw] size
# @return [String] size of snapshot
attribute :size
# @!attribute [rw] volume_id
# @return [String] the volume_id of the snapshot
attribute :volume_id
# @!attribute [r] availability_zone
# @return [String] region of the snapshot
attribute :availability_zone
# Returns true if the snapshot is in a ready state
# @return [Boolean] returns true if snapshot is in a ready state
def ready?
state == AVAILABLE
end
# Creates the snapshot
# @param force [Boolean] Set to true to force service to create snapshot
# @raise [Fog::Rackspace::BlockStorage::IdentifierTaken] if the snapshot has been previously saved.
# @return [Boolean] returns true if snapshot is being created
# @raise [Fog::Rackspace::BlockStorage::NotFound] - HTTP 404
# @raise [Fog::Rackspace::BlockStorage::BadRequest] - HTTP 400
# @raise [Fog::Rackspace::BlockStorage::InternalServerError] - HTTP 500
# @raise [Fog::Rackspace::BlockStorage::ServiceError]
# @note A snapshot object cannot be updated
# @note All writes to the volume should be flushed before creating the snapshot, either by un-mounting any file systems on the volume or by detaching the volume.
# @see http://docs.rackspace.com/cbs/api/v1.0/cbs-devguide/content/POST_createSnapshot__v1__tenant_id__snapshots.html
def save(force = false)
requires :volume_id
raise IdentifierTaken.new('Resaving may cause a duplicate snapshot to be created') if persisted?
data = service.create_snapshot(volume_id, {
:display_name => display_name,
:display_description => display_description,
:force => force
})
merge_attributes(data.body['snapshot'])
true
end
# Destroys snapshot
# @return [Boolean] returns true if snapshot was deleted
# @raise [Fog::Rackspace::BlockStorage::NotFound] - HTTP 404
# @raise [Fog::Rackspace::BlockStorage::BadRequest] - HTTP 400
# @raise [Fog::Rackspace::BlockStorage::InternalServerError] - HTTP 500
# @raise [Fog::Rackspace::BlockStorage::ServiceError]
# @see http://docs.rackspace.com/cbs/api/v1.0/cbs-devguide/content/DELETE_deleteSnapshot__v1__tenant_id__snapshots.html
def destroy
requires :identity
service.delete_snapshot(identity)
true
end
end
end
end
end