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authorChristian Poessinger <christian@poessinger.com>2021-06-07 19:07:04 +0200
committerChristian Poessinger <christian@poessinger.com>2021-06-07 19:07:04 +0200
commit19b8f729dc53aff2c4e7248f493ad72aa43605fc (patch)
treed9db7faf0f43eaf5ff53a896cec927dc81a7cc48
parent13236b0a6632d8039ecf90fcc0dbb66ad32fc3ff (diff)
downloadvyos-1x-19b8f729dc53aff2c4e7248f493ad72aa43605fc.tar.gz
vyos-1x-19b8f729dc53aff2c4e7248f493ad72aa43605fc.zip
vti: T3588: remove interfaces not bound to IPSec tunnel
A VTI interface also requires an IPSec configuration - VyOS 1.2 supported having a VTI interface in the CLI but no IPSec configuration - drop VTI configuration if this is the case for VyOS 1.4.
-rwxr-xr-xsrc/migration-scripts/interfaces/20-to-2160
1 files changed, 60 insertions, 0 deletions
diff --git a/src/migration-scripts/interfaces/20-to-21 b/src/migration-scripts/interfaces/20-to-21
new file mode 100755
index 000000000..d1ec2ad3e
--- /dev/null
+++ b/src/migration-scripts/interfaces/20-to-21
@@ -0,0 +1,60 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2021 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/>.
+
+# A VTI interface also requires an IPSec configuration - VyOS 1.2 supported
+# having a VTI interface in the CLI but no IPSec configuration - drop VTI
+# configuration if this is the case for VyOS 1.4
+
+import sys
+from vyos.configtree import ConfigTree
+
+if __name__ == '__main__':
+ if (len(sys.argv) < 1):
+ print("Must specify file name!")
+ sys.exit(1)
+
+ file_name = sys.argv[1]
+
+ with open(file_name, 'r') as f:
+ config_file = f.read()
+
+ config = ConfigTree(config_file)
+ base = ['interfaces', 'vti']
+ if not config.exists(base):
+ # Nothing to do
+ sys.exit(0)
+
+ ipsec_base = ['vpn', 'ipsec', 'site-to-site', 'peer']
+ for interface in config.list_nodes(base):
+ found = False
+ if config.exists(ipsec_base):
+ for peer in config.list_nodes(ipsec_base):
+ if config.exists(ipsec_base + [peer, 'vti', 'bind']):
+ tmp = config.return_value(ipsec_base + [peer, 'vti', 'bind'])
+ if tmp == interface:
+ # Interface was found and we no longer need to search
+ # for it in our IPSec peers
+ found = True
+ break
+ if not found:
+ config.delete(base + [interface])
+
+ try:
+ with open(file_name, 'w') as f:
+ f.write(config.to_string())
+ except OSError as e:
+ print("Failed to save the modified config: {}".format(e))
+ sys.exit(1)