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authorDaniil Baturin <daniil@vyos.io>2024-09-12 13:59:18 +0100
committerGitHub <noreply@github.com>2024-09-12 13:59:18 +0100
commit205d957d092ade5708cc2182381864c04e4c0aff (patch)
treee78636efaa1332c5d49e1c2f023721dc030f8d6a /src/migration-scripts/dhcpv6-server
parent9652bfda0a7f3e7932aecb32262c34f3fede72b2 (diff)
parenteaa9c82670fa5ee90835266e6f7a24f81c49d17e (diff)
downloadvyos-1x-205d957d092ade5708cc2182381864c04e4c0aff.tar.gz
vyos-1x-205d957d092ade5708cc2182381864c04e4c0aff.zip
Merge pull request #4050 from jestabro/revise-migration-circinus
T6007: revise migration system
Diffstat (limited to 'src/migration-scripts/dhcpv6-server')
-rw-r--r--[-rwxr-xr-x]src/migration-scripts/dhcpv6-server/0-to-147
-rw-r--r--[-rwxr-xr-x]src/migration-scripts/dhcpv6-server/1-to-2100
-rw-r--r--[-rwxr-xr-x]src/migration-scripts/dhcpv6-server/2-to-3102
-rw-r--r--[-rwxr-xr-x]src/migration-scripts/dhcpv6-server/3-to-4101
-rw-r--r--[-rwxr-xr-x]src/migration-scripts/dhcpv6-server/4-to-5140
5 files changed, 201 insertions, 289 deletions
diff --git a/src/migration-scripts/dhcpv6-server/0-to-1 b/src/migration-scripts/dhcpv6-server/0-to-1
index deae1ca29..fd9b2d739 100755..100644
--- a/src/migration-scripts/dhcpv6-server/0-to-1
+++ b/src/migration-scripts/dhcpv6-server/0-to-1
@@ -1,39 +1,29 @@
-#!/usr/bin/env python3
+# Copyright 202-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
-# Copyright (C) 2020 VyOS maintainers and contributors
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
#
-# 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,
+# This library 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.
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser 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/>.
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library. If not, see <http://www.gnu.org/licenses/>.
# combine both sip-server-address and sip-server-name nodes to common sip-server
-from sys import argv, exit
from vyos.configtree import ConfigTree
-if len(argv) < 2:
- print("Must specify file name!")
- exit(1)
-
-file_name = argv[1]
+base = ['service', 'dhcpv6-server', 'shared-network-name']
-with open(file_name, 'r') as f:
- config_file = f.read()
+def migrate(config: ConfigTree) -> None:
+ if not config.exists(base):
+ # Nothing to do
+ return
-config = ConfigTree(config_file)
-base = ['service', 'dhcpv6-server', 'shared-network-name']
-if not config.exists(base):
- # Nothing to do
- exit(0)
-else:
# we need to run this for every configured network
for network in config.list_nodes(base):
for subnet in config.list_nodes(base + [network, 'subnet']):
@@ -52,10 +42,3 @@ else:
# Write new CLI value for sip-server
for server in sip_server:
config.set(base + [network, 'subnet', subnet, 'sip-server'], value=server, replace=False)
-
- 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))
- exit(1)
diff --git a/src/migration-scripts/dhcpv6-server/1-to-2 b/src/migration-scripts/dhcpv6-server/1-to-2
index cc5a8900a..ad307495c 100755..100644
--- a/src/migration-scripts/dhcpv6-server/1-to-2
+++ b/src/migration-scripts/dhcpv6-server/1-to-2
@@ -1,18 +1,17 @@
-#!/usr/bin/env python3
+# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
-# Copyright (C) 2023 VyOS maintainers and contributors
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
#
-# 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,
+# This library 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.
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser 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/>.
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library. If not, see <http://www.gnu.org/licenses/>.
# T3316: Migrate to Kea
# - Kea was meant to have support for key "prefix-highest" under PD which would allow an address range
@@ -20,67 +19,50 @@
# Ref: https://lists.isc.org/pipermail/kea-users/2022-November/003686.html
# - Remove prefix temporary value, convert to multi leafNode (https://kea.readthedocs.io/en/kea-2.2.0/arm/dhcp6-srv.html#dhcpv6-server-limitations)
-import sys
from vyos.configtree import ConfigTree
from vyos.utils.network import ipv6_prefix_length
-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()
-
base = ['service', 'dhcpv6-server', 'shared-network-name']
-config = ConfigTree(config_file)
-
-if not config.exists(base):
- # Nothing to do
- exit(0)
-for network in config.list_nodes(base):
- if not config.exists(base + [network, 'subnet']):
- continue
+def migrate(config: ConfigTree) -> None:
+ if not config.exists(base):
+ # Nothing to do
+ return
- for subnet in config.list_nodes(base + [network, 'subnet']):
- # Delete temporary value under address-range prefix, convert tagNode to leafNode multi
- if config.exists(base + [network, 'subnet', subnet, 'address-range', 'prefix']):
- prefix_base = base + [network, 'subnet', subnet, 'address-range', 'prefix']
- prefixes = config.list_nodes(prefix_base)
-
- config.delete(prefix_base)
+ for network in config.list_nodes(base):
+ if not config.exists(base + [network, 'subnet']):
+ continue
- for prefix in prefixes:
- config.set(prefix_base, value=prefix, replace=False)
+ for subnet in config.list_nodes(base + [network, 'subnet']):
+ # Delete temporary value under address-range prefix, convert tagNode to leafNode multi
+ if config.exists(base + [network, 'subnet', subnet, 'address-range', 'prefix']):
+ prefix_base = base + [network, 'subnet', subnet, 'address-range', 'prefix']
+ prefixes = config.list_nodes(prefix_base)
+
+ config.delete(prefix_base)
- if config.exists(base + [network, 'subnet', subnet, 'prefix-delegation', 'prefix']):
- prefix_base = base + [network, 'subnet', subnet, 'prefix-delegation', 'prefix']
+ for prefix in prefixes:
+ config.set(prefix_base, value=prefix, replace=False)
- config.set(prefix_base)
- config.set_tag(prefix_base)
+ if config.exists(base + [network, 'subnet', subnet, 'prefix-delegation', 'prefix']):
+ prefix_base = base + [network, 'subnet', subnet, 'prefix-delegation', 'prefix']
- for start in config.list_nodes(base + [network, 'subnet', subnet, 'prefix-delegation', 'start']):
- path = base + [network, 'subnet', subnet, 'prefix-delegation', 'start', start]
+ config.set(prefix_base)
+ config.set_tag(prefix_base)
- delegated_length = config.return_value(path + ['prefix-length'])
- stop = config.return_value(path + ['stop'])
+ for start in config.list_nodes(base + [network, 'subnet', subnet, 'prefix-delegation', 'start']):
+ path = base + [network, 'subnet', subnet, 'prefix-delegation', 'start', start]
- prefix_length = ipv6_prefix_length(start, stop)
+ delegated_length = config.return_value(path + ['prefix-length'])
+ stop = config.return_value(path + ['stop'])
- # This range could not be converted into a simple prefix length and must be skipped
- if not prefix_length:
- continue
+ prefix_length = ipv6_prefix_length(start, stop)
- config.set(prefix_base + [start, 'delegated-length'], value=delegated_length)
- config.set(prefix_base + [start, 'prefix-length'], value=prefix_length)
+ # This range could not be converted into a simple prefix length and must be skipped
+ if not prefix_length:
+ continue
- config.delete(base + [network, 'subnet', subnet, 'prefix-delegation', 'start'])
+ config.set(prefix_base + [start, 'delegated-length'], value=delegated_length)
+ config.set(prefix_base + [start, 'prefix-length'], value=prefix_length)
-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))
- exit(1)
+ config.delete(base + [network, 'subnet', subnet, 'prefix-delegation', 'start'])
diff --git a/src/migration-scripts/dhcpv6-server/2-to-3 b/src/migration-scripts/dhcpv6-server/2-to-3
index f4bdc1d1e..b44798d18 100755..100644
--- a/src/migration-scripts/dhcpv6-server/2-to-3
+++ b/src/migration-scripts/dhcpv6-server/2-to-3
@@ -1,18 +1,17 @@
-#!/usr/bin/env python3
+# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
-# Copyright (C) 2023 VyOS maintainers and contributors
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
#
-# 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,
+# This library 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.
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser 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/>.
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library. If not, see <http://www.gnu.org/licenses/>.
# T3316:
# - Adjust hostname to have valid FQDN characters only (underscores aren't allowed anymore)
@@ -22,57 +21,40 @@
# - Rename "service dhcpv6-server shared-network-name ... static-mapping <hostname> mac-address ..."
# to "service dhcpv6-server shared-network-name ... static-mapping <hostname> mac ..."
-import sys
import re
from vyos.configtree import ConfigTree
-if len(sys.argv) < 2:
- print("Must specify file name!")
- sys.exit(1)
-
-file_name = sys.argv[1]
-
-with open(file_name, 'r') as f:
- config_file = f.read()
-
base = ['service', 'dhcpv6-server', 'shared-network-name']
-config = ConfigTree(config_file)
-
-if not config.exists(base):
- # Nothing to do
- sys.exit(0)
-
-for network in config.list_nodes(base):
- # Run this for every specified 'subnet'
- if config.exists(base + [network, 'subnet']):
- for subnet in config.list_nodes(base + [network, 'subnet']):
- base_subnet = base + [network, 'subnet', subnet]
- if config.exists(base_subnet + ['static-mapping']):
- for hostname in config.list_nodes(base_subnet + ['static-mapping']):
- base_mapping = base_subnet + ['static-mapping', hostname]
- if config.exists(base_mapping + ['identifier']):
-
- # Adjust duid to comply with duid format (a:3:b:04:... => 0a:03:0b:04:...)
- duid = config.return_value(base_mapping + ['identifier'])
- new_duid = ':'.join(x.rjust(2,'0') for x in duid.split(':'))
- if new_duid != duid:
- config.set(base_mapping + ['identifier'], new_duid)
-
- # Rename the 'identifier' node to 'duid'
- config.rename(base_mapping + ['identifier'], 'duid')
-
- # Rename the 'mac-address' node to 'mac'
- if config.exists(base_mapping + ['mac-address']):
- config.rename(base_mapping + ['mac-address'], 'mac')
-
- # Adjust hostname to have valid FQDN characters only
- new_hostname = re.sub(r'[^a-zA-Z0-9-.]', '-', hostname)
- if new_hostname != hostname:
- config.rename(base_mapping, new_hostname)
-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))
- exit(1)
+def migrate(config: ConfigTree) -> None:
+ if not config.exists(base):
+ # Nothing to do
+ return
+
+ for network in config.list_nodes(base):
+ # Run this for every specified 'subnet'
+ if config.exists(base + [network, 'subnet']):
+ for subnet in config.list_nodes(base + [network, 'subnet']):
+ base_subnet = base + [network, 'subnet', subnet]
+ if config.exists(base_subnet + ['static-mapping']):
+ for hostname in config.list_nodes(base_subnet + ['static-mapping']):
+ base_mapping = base_subnet + ['static-mapping', hostname]
+ if config.exists(base_mapping + ['identifier']):
+
+ # Adjust duid to comply with duid format (a:3:b:04:... => 0a:03:0b:04:...)
+ duid = config.return_value(base_mapping + ['identifier'])
+ new_duid = ':'.join(x.rjust(2,'0') for x in duid.split(':'))
+ if new_duid != duid:
+ config.set(base_mapping + ['identifier'], new_duid)
+
+ # Rename the 'identifier' node to 'duid'
+ config.rename(base_mapping + ['identifier'], 'duid')
+
+ # Rename the 'mac-address' node to 'mac'
+ if config.exists(base_mapping + ['mac-address']):
+ config.rename(base_mapping + ['mac-address'], 'mac')
+
+ # Adjust hostname to have valid FQDN characters only
+ new_hostname = re.sub(r'[^a-zA-Z0-9-.]', '-', hostname)
+ if new_hostname != hostname:
+ config.rename(base_mapping, new_hostname)
diff --git a/src/migration-scripts/dhcpv6-server/3-to-4 b/src/migration-scripts/dhcpv6-server/3-to-4
index 7efc492a5..e38e36505 100755..100644
--- a/src/migration-scripts/dhcpv6-server/3-to-4
+++ b/src/migration-scripts/dhcpv6-server/3-to-4
@@ -1,89 +1,72 @@
-#!/usr/bin/env python3
+# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
-# Copyright (C) 2024 VyOS maintainers and contributors
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
#
-# 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,
+# This library 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.
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser 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/>.
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library. If not, see <http://www.gnu.org/licenses/>.
# T3316:
# - Add subnet IDs to existing subnets
# - Move options to option node
# - Migrate address-range to range tagNode
-import sys
from vyos.configtree import ConfigTree
-if len(sys.argv) < 2:
- print("Must specify file name!")
- sys.exit(1)
-
-file_name = sys.argv[1]
-
-with open(file_name, 'r') as f:
- config_file = f.read()
-
base = ['service', 'dhcpv6-server', 'shared-network-name']
-config = ConfigTree(config_file)
-
-if not config.exists(base):
- # Nothing to do
- sys.exit(0)
option_nodes = ['captive-portal', 'domain-search', 'name-server',
'nis-domain', 'nis-server', 'nisplus-domain', 'nisplus-server',
'sip-server', 'sntp-server', 'vendor-option']
-subnet_id = 1
-for network in config.list_nodes(base):
- if config.exists(base + [network, 'subnet']):
- for subnet in config.list_nodes(base + [network, 'subnet']):
- base_subnet = base + [network, 'subnet', subnet]
+def migrate(config: ConfigTree) -> None:
+ if not config.exists(base):
+ # Nothing to do
+ return
+
+ subnet_id = 1
- if config.exists(base_subnet + ['address-range']):
- config.set(base_subnet + ['range'])
- config.set_tag(base_subnet + ['range'])
+ for network in config.list_nodes(base):
+ if config.exists(base + [network, 'subnet']):
+ for subnet in config.list_nodes(base + [network, 'subnet']):
+ base_subnet = base + [network, 'subnet', subnet]
- range_id = 1
+ if config.exists(base_subnet + ['address-range']):
+ config.set(base_subnet + ['range'])
+ config.set_tag(base_subnet + ['range'])
- if config.exists(base_subnet + ['address-range', 'prefix']):
- for prefix in config.return_values(base_subnet + ['address-range', 'prefix']):
- config.set(base_subnet + ['range', range_id, 'prefix'], value=prefix)
+ range_id = 1
- range_id += 1
+ if config.exists(base_subnet + ['address-range', 'prefix']):
+ for prefix in config.return_values(base_subnet + ['address-range', 'prefix']):
+ config.set(base_subnet + ['range', range_id, 'prefix'], value=prefix)
- if config.exists(base_subnet + ['address-range', 'start']):
- for start in config.list_nodes(base_subnet + ['address-range', 'start']):
- stop = config.return_value(base_subnet + ['address-range', 'start', start, 'stop'])
+ range_id += 1
- config.set(base_subnet + ['range', range_id, 'start'], value=start)
- config.set(base_subnet + ['range', range_id, 'stop'], value=stop)
+ if config.exists(base_subnet + ['address-range', 'start']):
+ for start in config.list_nodes(base_subnet + ['address-range', 'start']):
+ stop = config.return_value(base_subnet + ['address-range', 'start', start, 'stop'])
- range_id += 1
+ config.set(base_subnet + ['range', range_id, 'start'], value=start)
+ config.set(base_subnet + ['range', range_id, 'stop'], value=stop)
- config.delete(base_subnet + ['address-range'])
+ range_id += 1
- for option in option_nodes:
- if config.exists(base_subnet + [option]):
- config.set(base_subnet + ['option'])
- config.copy(base_subnet + [option], base_subnet + ['option', option])
- config.delete(base_subnet + [option])
+ config.delete(base_subnet + ['address-range'])
- config.set(base_subnet + ['subnet-id'], value=subnet_id)
- subnet_id += 1
+ for option in option_nodes:
+ if config.exists(base_subnet + [option]):
+ config.set(base_subnet + ['option'])
+ config.copy(base_subnet + [option], base_subnet + ['option', option])
+ config.delete(base_subnet + [option])
-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))
- exit(1)
+ config.set(base_subnet + ['subnet-id'], value=subnet_id)
+ subnet_id += 1
diff --git a/src/migration-scripts/dhcpv6-server/4-to-5 b/src/migration-scripts/dhcpv6-server/4-to-5
index 55fda91b3..ad18e1a84 100755..100644
--- a/src/migration-scripts/dhcpv6-server/4-to-5
+++ b/src/migration-scripts/dhcpv6-server/4-to-5
@@ -1,91 +1,73 @@
-#!/usr/bin/env python3
+# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
-# Copyright (C) 2024 VyOS maintainers and contributors
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
#
-# 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,
+# This library 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.
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser 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/>.
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library. If not, see <http://www.gnu.org/licenses/>.
# T5993: Check if subnet is locally accessible and assign interface to subnet
-import sys
from ipaddress import ip_network
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()
-
base = ['service', 'dhcpv6-server', 'shared-network-name']
-config = ConfigTree(config_file)
-
-if not config.exists(base):
- # Nothing to do
- exit(0)
-
-def find_subnet_interface(subnet):
- subnet_net = ip_network(subnet)
-
- def check_addr(if_path):
- if config.exists(if_path + ['address']):
- for addr in config.return_values(if_path + ['address']):
- try:
- if ip_network(addr, strict=False) == subnet_net:
- return True
- except:
- pass # interface address was probably "dhcp" or other magic string
- return None
-
- for iftype in config.list_nodes(['interfaces']):
- for ifname in config.list_nodes(['interfaces', iftype]):
- if_base = ['interfaces', iftype, ifname]
-
- if check_addr(if_base):
- return ifname
-
- if config.exists(if_base + ['vif']):
- for vif in config.list_nodes(if_base + ['vif']):
- if check_addr(if_base + ['vif', vif]):
- return f'{ifname}.{vif}'
-
- if config.exists(if_base + ['vif-s']):
- for vifs in config.list_nodes(if_base + ['vif-s']):
- if check_addr(if_base + ['vif-s', vifs]):
- return f'{ifname}.{vifs}'
-
- if config.exists(if_base + ['vif-s', vifs, 'vif-c']):
- for vifc in config.list_nodes(if_base + ['vif-s', vifs, 'vif-c']):
- if check_addr(if_base + ['vif-s', vifs, 'vif-c', vifc]):
- return f'{ifname}.{vifs}.{vifc}'
-
- return False
-
-for network in config.list_nodes(base):
- if not config.exists(base + [network, 'subnet']):
- continue
-
- for subnet in config.list_nodes(base + [network, 'subnet']):
- subnet_interface = find_subnet_interface(subnet)
-
- if subnet_interface:
- config.set(base + [network, 'subnet', subnet, 'interface'], value=subnet_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))
- exit(1)
+def migrate(config: ConfigTree) -> None:
+ if not config.exists(base):
+ # Nothing to do
+ return
+
+ def find_subnet_interface(subnet):
+ subnet_net = ip_network(subnet)
+
+ def check_addr(if_path):
+ if config.exists(if_path + ['address']):
+ for addr in config.return_values(if_path + ['address']):
+ try:
+ if ip_network(addr, strict=False) == subnet_net:
+ return True
+ except:
+ pass # interface address was probably "dhcp" or other magic string
+ return None
+
+ for iftype in config.list_nodes(['interfaces']):
+ for ifname in config.list_nodes(['interfaces', iftype]):
+ if_base = ['interfaces', iftype, ifname]
+
+ if check_addr(if_base):
+ return ifname
+
+ if config.exists(if_base + ['vif']):
+ for vif in config.list_nodes(if_base + ['vif']):
+ if check_addr(if_base + ['vif', vif]):
+ return f'{ifname}.{vif}'
+
+ if config.exists(if_base + ['vif-s']):
+ for vifs in config.list_nodes(if_base + ['vif-s']):
+ if check_addr(if_base + ['vif-s', vifs]):
+ return f'{ifname}.{vifs}'
+
+ if config.exists(if_base + ['vif-s', vifs, 'vif-c']):
+ for vifc in config.list_nodes(if_base + ['vif-s', vifs, 'vif-c']):
+ if check_addr(if_base + ['vif-s', vifs, 'vif-c', vifc]):
+ return f'{ifname}.{vifs}.{vifc}'
+
+ return False
+
+ for network in config.list_nodes(base):
+ if not config.exists(base + [network, 'subnet']):
+ continue
+
+ for subnet in config.list_nodes(base + [network, 'subnet']):
+ subnet_interface = find_subnet_interface(subnet)
+
+ if subnet_interface:
+ config.set(base + [network, 'subnet', subnet, 'interface'], value=subnet_interface)