def create_db_docker_container()

in composer_local_dev/environment.py [0:0]

• 39 lines of code
• 3 McCabe index (conditional complexity)

    def create_db_docker_container(self):
        """Creates docker container for database.

        Raises when docker container with the same name already exists.
        """
        db_extras = self.database_extras
        grouped_db_mounts = db_extras["mounts"]
        db_mounts = {
            **grouped_db_mounts['files'],
            **grouped_db_mounts['folders'],
        }
        mounts = get_image_mounts(
            self.env_dir_path,
            self.dags_path,
            utils.resolve_gcloud_config_path(),
            utils.resolve_kube_config_path(),
            self.requirements_file,
            db_mounts,
        )
        db_vars = db_extras["env_vars"]
        db_ports = db_extras["ports"]
        memory_limit = constants.DOCKER_CONTAINER_MEMORY_LIMIT

        self.docker_client.images.pull(self.db_image_tag)
        LOG.info("DB_VARS")
        LOG.info(db_vars)
        try:
            container = self.create_container(
                image=self.db_image_tag,
                name=self.db_container_name,
                environment=db_vars,
                mounts=mounts,
                ports=db_ports,
                mem_limit=memory_limit,
                detach=True,
            )
            return container
        except docker_errors.APIError as err:
            error = f"Failed to create container for database with an error: {err}"
            if is_mount_permission_error(err):
                error += constants.DOCKER_PERMISSION_ERROR_HINT.format(
                    docs_faq_url=constants.COMPOSER_FAQ_MOUNTING_LINK
                )
            raise errors.EnvironmentStartError(error)