From 7d597a6dca15cb592230b349ef7ef565f258cf43 Mon Sep 17 00:00:00 2001 From: John Estabrook Date: Thu, 5 Oct 2023 23:16:40 -0500 Subject: http-api: T2612: send response before reconfiguring api server --- src/services/vyos-http-api-server | 73 ++++++++++++++++++++++++++++----------- 1 file changed, 53 insertions(+), 20 deletions(-) (limited to 'src/services') diff --git a/src/services/vyos-http-api-server b/src/services/vyos-http-api-server index 66e80ced5..f2dd7f2b5 100755 --- a/src/services/vyos-http-api-server +++ b/src/services/vyos-http-api-server @@ -28,6 +28,7 @@ from typing import List, Union, Callable, Dict import uvicorn from fastapi import FastAPI, Depends, Request, Response, HTTPException +from fastapi import BackgroundTasks from fastapi.responses import HTMLResponse from fastapi.exceptions import RequestValidationError from fastapi.routing import APIRoute @@ -39,7 +40,9 @@ from multipart.multipart import parse_options_header from ariadne.asgi import GraphQL -import vyos.config +from vyos.config import Config +from vyos.configtree import ConfigTree +from vyos.configdiff import get_config_diff from vyos.configsession import ConfigSession, ConfigSessionError import api.graphql.state @@ -410,12 +413,24 @@ app.router.route_class = MultipartRoute async def validation_exception_handler(request, exc): return error(400, str(exc.errors()[0])) +self_ref_msg = "Requested HTTP API server configuration change; commit will be called in the background" + +def call_commit(s: ConfigSession): + try: + s.commit() + except ConfigSessionError as e: + s.discard() + if app.state.vyos_debug: + logger.warning(f"ConfigSessionError:\n {traceback.format_exc()}") + else: + logger.warning(f"ConfigSessionError: {e}") + def _configure_op(data: Union[ConfigureModel, ConfigureListModel, ConfigSectionModel, ConfigSectionListModel], - request: Request): + request: Request, background_tasks: BackgroundTasks): session = app.state.vyos_session env = session.get_session_env() - config = vyos.config.Config(session_env=env) + config = Config(session_env=env) endpoint = request.url.path @@ -470,7 +485,15 @@ def _configure_op(data: Union[ConfigureModel, ConfigureListModel, else: raise ConfigSessionError(f"'{op}' is not a valid operation") # end for - session.commit() + config = Config(session_env=env) + d = get_config_diff(config) + + if d.is_node_changed(['service', 'https']): + background_tasks.add_task(call_commit, session) + msg = self_ref_msg + else: + session.commit() + logger.info(f"Configuration modified via HTTP API using key '{app.state.vyos_id}'") except ConfigSessionError as e: session.discard() @@ -495,21 +518,21 @@ def _configure_op(data: Union[ConfigureModel, ConfigureListModel, @app.post('/configure') def configure_op(data: Union[ConfigureModel, - ConfigureListModel], - request: Request): - return _configure_op(data, request) + ConfigureListModel], + request: Request, background_tasks: BackgroundTasks): + return _configure_op(data, request, background_tasks) @app.post('/configure-section') def configure_section_op(data: Union[ConfigSectionModel, - ConfigSectionListModel], - request: Request): - return _configure_op(data, request) + ConfigSectionListModel], + request: Request, background_tasks: BackgroundTasks): + return _configure_op(data, request, background_tasks) @app.post("/retrieve") async def retrieve_op(data: RetrieveModel): session = app.state.vyos_session env = session.get_session_env() - config = vyos.config.Config(session_env=env) + config = Config(session_env=env) op = data.op path = " ".join(data.path) @@ -528,10 +551,10 @@ async def retrieve_op(data: RetrieveModel): res = session.show_config(path=data.path) if config_format == 'json': - config_tree = vyos.configtree.ConfigTree(res) + config_tree = ConfigTree(res) res = json.loads(config_tree.to_json()) elif config_format == 'json_ast': - config_tree = vyos.configtree.ConfigTree(res) + config_tree = ConfigTree(res) res = json.loads(config_tree.to_json_ast()) elif config_format == 'raw': pass @@ -548,10 +571,11 @@ async def retrieve_op(data: RetrieveModel): return success(res) @app.post('/config-file') -def config_file_op(data: ConfigFileModel): +def config_file_op(data: ConfigFileModel, background_tasks: BackgroundTasks): session = app.state.vyos_session - + env = session.get_session_env() op = data.op + msg = None try: if op == 'save': @@ -559,14 +583,23 @@ def config_file_op(data: ConfigFileModel): path = data.file else: path = '/config/config.boot' - res = session.save_config(path) + msg = session.save_config(path) elif op == 'load': if data.file: path = data.file else: return error(400, "Missing required field \"file\"") - res = session.migrate_and_load_config(path) - res = session.commit() + + session.migrate_and_load_config(path) + + config = Config(session_env=env) + d = get_config_diff(config) + + if d.is_node_changed(['service', 'https']): + background_tasks.add_task(call_commit, session) + msg = self_ref_msg + else: + session.commit() else: return error(400, f"'{op}' is not a valid operation") except ConfigSessionError as e: @@ -575,7 +608,7 @@ def config_file_op(data: ConfigFileModel): logger.critical(traceback.format_exc()) return error(500, "An internal error occured. Check the logs for details.") - return success(res) + return success(msg) @app.post('/image') def image_op(data: ImageModel): @@ -607,7 +640,7 @@ def image_op(data: ImageModel): return success(res) @app.post('/container-image') -def image_op(data: ContainerImageModel): +def container_image_op(data: ContainerImageModel): session = app.state.vyos_session op = data.op -- cgit v1.2.3