def __get_ceph_image_name(self, name):
img_id = self.db.image.fetch_id_with_name_from_project(name, self.proj)
if img_id is None:
logger.info("Raising Image Not Found Exception for %s", name)
raise db_exceptions.ImageNotFoundException(name)
return str(self.cfg.bmi.uid) + "img" + str(img_id)
def copy_image(self, src_project_name, name, dest_pid, new_name=None):
try:
project = self.connection.session.query(Project).filter_by(
name=src_project_name).one_or_none()
if project is None:
raise db_exceptions.ProjectNotFoundException(src_project_name)
image = self.connection.session.query(Image). \
filter(Image.project.has(name=src_project_name)).filter_by(
name=name).one_or_none()
if image is None:
raise db_exceptions.ImageNotFoundException(name)
new_image = Image()
if new_name is not None:
new_image.name = new_name
else:
new_image.name = name
new_image.project_id = dest_pid
new_image.is_public = image.is_public
if project.id == dest_pid:
new_image.is_snapshot = image.is_snapshot
new_image.parent_id = image.parent_id
else:
new_image.is_snapshot = False
new_image.parent_id = None
self.connection.session.add(new_image)
self.connection.session.commit()
except SQLAlchemyError as e:
self.connection.session.rollback()
raise db_exceptions.ORMException(e.message)
def fetch_id_with_name_from_project(self, name, project_name):
"""
Searches for image by name and returns image id
:param name: name of the image
:param project_name: name of the project
:return: the id of the image.
"""
try:
image = self.connection.session.query(Image). \
filter(Image.project.has(name=project_name)).filter_by(
name=name).one_or_none()
if image is None:
raise db_exceptions.ImageNotFoundException(name)
return image.id
except SQLAlchemyError as e:
raise db_exceptions.ORMException(e.message)
def delete_with_name_from_project(self, name, project_name):
try:
image = self.connection.session.query(Image). \
filter(Image.project.has(name=project_name)).filter_by(
name=name).one_or_none()
if image is not None:
if self.__image_has_clones(image):
raise db_exceptions.ImageHasClonesException(image)
for child in image.children:
child.parent_id = None
child.is_snapshot = False
self.connection.session.delete(image)
self.connection.session.commit()
else:
raise db_exceptions.ImageNotFoundException(name)
except SQLAlchemyError as e:
self.connection.session.rollback()
raise db_exceptions.ORMException(e.message)