tasks.py 文件源码

def upgrade(
        self,
        tag=None,
        force=False,
        backup=False,
        migrate=True,
    ):
        """
        upgrade service to a new version (backup -> pull -> migrate -> update)
        """
        if utils.strtobool(backup):
            execute(self.backup)
        execute(self.pull, tag=tag)
        if utils.strtobool(migrate):
            execute(self.migrate, tag=tag)
        execute(self.update, tag=tag, force=force)