From f26e8927f83c3a897d4f474762bca9775467e74e Mon Sep 17 00:00:00 2001 From: John Estabrook Date: Fri, 6 Sep 2019 19:16:47 -0500 Subject: T1424: Rewrite the config load script Rewrite of the load functionality of vyatta-load-config.pl, removing the dependency on Vyatta::Config. --- src/helpers/vyos-load-config.py | 90 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100755 src/helpers/vyos-load-config.py diff --git a/src/helpers/vyos-load-config.py b/src/helpers/vyos-load-config.py new file mode 100755 index 000000000..4e6d67efa --- /dev/null +++ b/src/helpers/vyos-load-config.py @@ -0,0 +1,90 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2019 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# +# + +"""Load config file from within config session. +Config file specified by URI or path (without scheme prefix). +Example: load https://somewhere.net/some.config + or + load /tmp/some.config +""" + +import sys +import tempfile +import vyos.defaults +import vyos.remote +from vyos.config import Config, VyOSError +from vyos.migrator import Migrator, MigratorError + +system_config_file = 'config.boot' + +class LoadConfig(Config): + """A subclass for calling 'loadFile'. + This does not belong in config.py, and only has a single caller. + """ + def load_config(self, file_path): + cmd = [self._cli_shell_api, 'loadFile', file_path] + self._run(cmd) + +if len(sys.argv) > 1: + file_name = sys.argv[1] +else: + file_name = system_config_file + +configdir = vyos.defaults.directories['config'] + +protocols = ['scp', 'sftp', 'http', 'https', 'ftp', 'tftp'] + +if any(x in file_name for x in protocols): + config_file = vyos.remote.get_remote_config(file_name) + if not config_file: + sys.exit("No config file by that name.") +else: + canonical_path = '{0}/{1}'.format(configdir, file_name) + try: + with open(canonical_path, 'r') as f: + config_file = f.read() + except OSError as err1: + try: + with open(file_name, 'r') as f: + config_file = f.read() + except OSError as err2: + sys.exit('{0}\n{1}'.format(err1, err2)) + +config = LoadConfig() + +print("Loading configuration from '{}'".format(file_name)) + +with tempfile.NamedTemporaryFile() as fp: + with open(fp.name, 'w') as fd: + fd.write(config_file) + + migration = Migrator(fp.name) + try: + migration.run() + except MigratorError as err: + sys.exit('{}'.format(err)) + + try: + config.load_config(fp.name) + except VyOSError as err: + sys.exit('{}'.format(err)) + +if config.session_changed(): + print("Load complete. Use 'commit' to make changes effective.") +else: + print("No configuration changes to commit.") -- cgit v1.2.3