From f26e8927f83c3a897d4f474762bca9775467e74e Mon Sep 17 00:00:00 2001
From: John Estabrook <jestabro@sentrium.io>
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

(limited to '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 <http://www.gnu.org/licenses/>.
+#
+#
+
+"""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.")
-- 
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