def get_resource(self, disk_id):
datastore = self.get_datastore(disk_id)
if datastore is None:
raise DiskNotFoundException(disk_id)
resource = Disk(disk_id)
resource.flavor = Flavor("default") # TODO
resource.persistent = False # TODO
resource.new_disk = False
resource.capacity_gb = -1 # TODO
resource.image = None
resource.datastore = datastore
return resource
def get_resource(self, disk_id):
datastore = self.get_datastore(disk_id)
if datastore is None:
raise DiskNotFoundException(disk_id)
size = os.path.getsize(self._disk_path(datastore, disk_id))
resource = Disk(disk_id)
resource.flavor = Flavor("default")
resource.persistent = False
resource.new_disk = False
# Every one byte in fake world equals to one G byte in real world
resource.capacity_gb = size
resource.image = None
resource.datastore = datastore
return resource
def copy_disk(self,
source_datastore,
source,
dest_datastore,
dest,
force=False):
if not self.hypervisor.image_manager.check_image(
source, source_datastore):
raise DiskNotFoundException("ENOENT")
dest_file = self._disk_path(dest_datastore, dest)
image_file = self.hypervisor.image_manager.image_file(
source_datastore, source)
self._check_free_space(dest_datastore, os.path.getsize(image_file))
if not force:
# force allows overwriting existing destination
self._assert_not_exists(dest, dest_datastore)
mkdir_p(os.path.dirname(dest_file))
with open(dest_file, "a") as f:
image_file = self.hypervisor.image_manager.image_file(
source_datastore, source)
f.truncate(os.path.getsize(image_file))
def _assert_exists(self, name, datastore):
if not os.path.exists(self._disk_path(datastore, name)):
self._logger.warning("disk in datastore (%s,%s) doesn't exist" %
(name, datastore))
raise DiskNotFoundException("ENOENT")