Pod init container for setting outputs path.

def get_init_container(self,
                           init_command,
                           init_args,
                           env_vars,
                           context_mounts,
                           persistence_outputs,
                           persistence_data):
        """Pod init container for setting outputs path."""
        env_vars = to_list(env_vars, check_none=True)
        outputs_path = stores.get_job_outputs_path(
            persistence=persistence_outputs,
            job_name=self.job_name)
        _, outputs_volume_mount = get_pod_outputs_volume(persistence_outputs=persistence_outputs)
        volume_mounts = outputs_volume_mount + to_list(context_mounts, check_none=True)
        init_command = init_command or ["/bin/sh", "-c"]
        init_args = init_args or to_list(
            get_output_args(command=InitCommands.CREATE,
                            outputs_path=outputs_path))
        init_args += to_list(get_auth_context_args(entity='job',
                                                   entity_name=self.job_name))
        return client.V1Container(
            name=self.init_container_name,
            image=self.init_docker_image,
            image_pull_policy=self.init_docker_image_pull_policy,
            command=init_command,
            args=[''.join(init_args)],
            env=env_vars,
            volume_mounts=volume_mounts)