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-rwxr-xr-xsrc/migration-scripts/quagga/3-to-475
1 files changed, 75 insertions, 0 deletions
diff --git a/src/migration-scripts/quagga/3-to-4 b/src/migration-scripts/quagga/3-to-4
new file mode 100755
index 000000000..b8ba8351b
--- /dev/null
+++ b/src/migration-scripts/quagga/3-to-4
@@ -0,0 +1,75 @@
+#!/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/>.
+#
+#
+
+import sys
+from vyos.configtree import ConfigTree
+
+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)
+
+def migrate_neighbor(config, neighbor_path, neighbor):
+ if config.exists(neighbor_path):
+ neighbors = config.list_nodes(neighbor_path)
+ for neighbor in neighbors:
+ # Move peer-group
+ if config.exists(neighbor_path + [neighbor, 'peer-group']):
+ peer_group = config.return_value(neighbor_path + [neighbor, 'peer-group'])
+ config.set(neighbor_path + [neighbor] + af_path + ['peer-group'], value=peer_group)
+ config.delete(neighbor_path + [neighbor, 'peer-group'])
+
+if not config.exists(['protocols', 'bgp']):
+ # Nothing to do
+ sys.exit(0)
+else:
+ # Just to avoid writing it so many times
+ af_path = ['address-family', 'ipv4-unicast']
+
+ # Check if BGP is actually configured and obtain the ASN
+ asn_list = config.list_nodes(['protocols', 'bgp'])
+ if asn_list:
+ # There's always just one BGP node, if any
+ asn = asn_list[0]
+ bgp_path = ['protocols', 'bgp', asn]
+ else:
+ # There's actually no BGP, just its empty shell
+ sys.exit(0)
+
+ ## Move global IPv4-specific BGP options to "address-family ipv4-unicast"
+
+ ## Migrate neighbor options
+ neighbor_path = ['protocols', 'bgp', asn, 'neighbor']
+ if config.exists(neighbor_path):
+ neighbors = config.list_nodes(neighbor_path)
+ for neighbor in neighbors:
+ migrate_neighbor(config, neighbor_path, neighbor)
+
+ 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)