save-config: T4292: rewrite vyatta-save-config.pl to Python

1 files changed, 54 insertions, 0 deletions

diff --git a/src/helpers/vyos-save-config.py b/src/helpers/vyos-save-config.py
new file mode 100755
index 000000000..628d510dd
--- /dev/null
+++ b/src/helpers/vyos-save-config.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 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 <http://www.gnu.org/licenses/>.
+#
+#
+import os
+import re
+import sys
+from tempfile import NamedTemporaryFile
+
+from vyos.config import Config
+from vyos.remote import urlc
+from vyos.component_version import system_footer
+
+DEFAULT_CONFIG_FILE = '/opt/vyatta/etc/config/config.boot'
+remote_save = None
+
+if len(sys.argv) > 1:
+    save_file = sys.argv[1]
+else:
+    save_file = DEFAULT_CONFIG_FILE
+
+if re.match(r'\w+:/', save_file):
+    try:
+        remote_save = urlc(save_file)
+    except ValueError as e:
+        sys.exit(e)
+
+config = Config()
+ct = config.get_config_tree(effective=True)
+
+write_file = save_file if remote_save is None else NamedTemporaryFile(delete=False).name
+with open(write_file, 'w') as f:
+    f.write(ct.to_string())
+    f.write("\n")
+    f.write(system_footer())
+
+if remote_save is not None:
+    try:
+        remote_save.upload(write_file)
+    finally:
+        os.remove(write_file)