def build(self, image_info: ImageInfo):
image_info_json = image_info.to_json()
if image_info.image_state == ImageState.NEEDS_TO_BE_BUILD.name:
yield DockerBuildImageTask(image_name=self.image_name,
image_info_json=image_info_json)
image_info.image_state = ImageState.WAS_BUILD.name
elif image_info.image_state == ImageState.CAN_BE_LOADED.name:
yield DockerLoadImageTask(image_name=self.image_name,
image_info_json=image_info_json)
image_info.image_state = ImageState.WAS_LOADED.name
elif image_info.image_state == ImageState.REMOTE_AVAILABLE.name:
yield DockerPullImageTask(image_name=self.image_name,
image_info_json=image_info_json)
image_info.image_state = ImageState.WAS_PULLED.name
elif image_info.image_state == ImageState.TARGET_LOCALLY_AVAILABLE.name:
image_info.image_state = ImageState.USED_LOCAL.name
elif image_info.image_state == ImageState.SOURCE_LOCALLY_AVAILABLE.name:
image_info.image_state = ImageState.WAS_TAGED.name
docker_client_config().get_client().images.get(
image_info.get_source_complete_name()).tag(
repository=image_info.target_repository_name,
tag=image_info.get_target_complete_tag())
else:
raise Exception(
"Task %s: Image state %s not supported for image %s",
self.task_id, image_info.image_state,
image_info.get_target_complete_name())
def _handle_output(self, output_generator, image_info: ImageInfo):
log_file_path = self.prepate_log_file_path(image_info)
with PullLogHandler(log_file_path, self.logger, self.__repr__(),
image_info) as log_hanlder:
still_running_logger = StillRunningLogger(
self.logger, self.__repr__(),
"pull image %s" % image_info.get_source_complete_name())
for log_line in output_generator:
still_running_logger.log()
log_hanlder.handle_log_line(log_line)
def pull_docker_db_images_if_necassary(self):
image_name = "exasol/docker-db"
image_tag = "6.0.12-d1"
docker_db_image_info = ImageInfo(target_repository_name=image_name,
source_repository_name=image_name,
source_tag=image_tag,
target_tag=image_tag,
hash="",
commit="",
image_description=None)
try:
self._client.images.get(
docker_db_image_info.get_source_complete_name())
except docker.errors.ImageNotFound as e:
self.logger.info("Task %s: Pulling docker-db image %s",
self.__repr__(),
docker_db_image_info.get_source_complete_name())
output_generator = self._low_level_client.pull(
docker_db_image_info.source_repository_name,
tag=docker_db_image_info.source_tag,
stream=True)
self._handle_output(output_generator, docker_db_image_info)
return docker_db_image_info