openstackclient启动顺序

openstackclient启动顺序

在openstackclient.shell:main

openstackclient.shell.OpenStackShell.init()

osc_lib.shell.OpenStackShell.__init__()
    cliff.app.App.__init__()
        # 加载parse
        build_plugin_option_parser()
            cliff.app.App.build_plugin_option_parser()
                parse = cliff._argparse.ArgumentParser()
            osc_lib.shell.OpenStackShell.build_plugin_option_parser()
                pasre.add base config options
            openstackclient.shell.OpenStackShell.build_plugin_option_parser()
                openstackclient.common.clientmanager.build_plugin_option_parser(parser)
    # 创建基础的command manager
    commandmanager("openstack.cli")

openstackclient.shell.OpenStackShell.run(argv)

    osc_lib.shell.OpenStackShell.run(argv)
        self.commanf_options = argv
        cliff.app.run(argv)
            # 初始化app加载命令
            osc_lib.shell.OpenStackShell.initialize_app()
                # 加载plugin
                openstackclient.shell.OpenStackShell.__load_plugins()
                    openstackclient.common.clientmanager.PLUGIN_MODULES
                        get_plugin_models("openstack.cli.base")
                        get_plugin_models("openstack.cli.extionsion")
                    # 加载指定版本的command
                    for mod in PLUGIN_MODULES:
                        cmd_group = f"openstack.{mod.API_NAME}.v{api_version}"
                        self.command_manager.add_command_group(cmd_group)
                # 加载拓展命令
                openstackclient.shell.OpenStackShell.__load_commands()
            # 设置logging
            self.configure_logging()
                osc_lib.shell.OpenStackShell.configure_logging()
            cliff.app.shell.OpenStackShell.run_subcommand() or interact()