diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/migration-scripts/quagga/3-to-4 | 25 | ||||
| -rwxr-xr-x | src/migration-scripts/quagga/4-to-5 | 63 |
2 files changed, 82 insertions, 6 deletions
diff --git a/src/migration-scripts/quagga/3-to-4 b/src/migration-scripts/quagga/3-to-4 index f8c87ce8c..be3528391 100755 --- a/src/migration-scripts/quagga/3-to-4 +++ b/src/migration-scripts/quagga/3-to-4 @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2019 VyOS maintainers and contributors +# Copyright (C) 2020 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 @@ -16,6 +16,13 @@ # # +# Between 1.2.3 and 1.2.4, FRR added per-neighbor enforce-first-as option. +# Unfortunately they also removed the global enforce-first-as option, +# which broke all old configs that used to have it. +# +# To emulate the effect of the original option, we insert it in every neighbor +# if the config used to have the original global option + import sys from vyos.configtree import ConfigTree @@ -45,11 +52,16 @@ else: # There's actually no BGP, just its empty shell sys.exit(0) - # Check if BGP scan-time parameter exist - scan_time_param = ['protocols', 'bgp', asn, 'parameters', 'scan-time'] - if config.exists(scan_time_param): - # Delete BGP scan-time parameter - config.delete(scan_time_param) + # Check if BGP enforce-first-as option is set + enforce_first_as_path = ['protocols', 'bgp', asn, 'parameters', 'enforce-first-as'] + if config.exists(enforce_first_as_path): + # Delete the obsolete option + config.delete(enforce_first_as_path) + + # Now insert it in every peer + peers = config.list_nodes(['protocols', 'bgp', asn, 'neighbor']) + for p in peers: + config.set(['protocols', 'bgp', asn, 'neighbor', p, 'enforce-first-as']) else: # Do nothing sys.exit(0) @@ -61,3 +73,4 @@ else: except OSError as e: print("Failed to save the modified config: {}".format(e)) sys.exit(1) + diff --git a/src/migration-scripts/quagga/4-to-5 b/src/migration-scripts/quagga/4-to-5 new file mode 100755 index 000000000..f8c87ce8c --- /dev/null +++ b/src/migration-scripts/quagga/4-to-5 @@ -0,0 +1,63 @@ +#!/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) + +if not config.exists(['protocols', 'bgp']): + # Nothing to do + sys.exit(0) +else: + # 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] + else: + # There's actually no BGP, just its empty shell + sys.exit(0) + + # Check if BGP scan-time parameter exist + scan_time_param = ['protocols', 'bgp', asn, 'parameters', 'scan-time'] + if config.exists(scan_time_param): + # Delete BGP scan-time parameter + config.delete(scan_time_param) + else: + # Do nothing + sys.exit(0) + + # Save a new configuration file + 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) |