From 316483cbe18811c6eaea07d5b790094a5de45abe Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Thu, 9 Apr 2020 21:19:08 +0200 Subject: vxlan: pseudo-ethernet: T2260: convert link nodes to source-interface --- src/conf_mode/interfaces-pseudo-ethernet.py | 30 ++++++++--------- src/conf_mode/interfaces-vxlan.py | 17 +++++----- src/migration-scripts/interfaces/8-to-9 | 52 +++++++++++++++++++++++++++++ 3 files changed, 76 insertions(+), 23 deletions(-) create mode 100755 src/migration-scripts/interfaces/8-to-9 (limited to 'src') diff --git a/src/conf_mode/interfaces-pseudo-ethernet.py b/src/conf_mode/interfaces-pseudo-ethernet.py index 50b5a12a0..ce3d472c4 100755 --- a/src/conf_mode/interfaces-pseudo-ethernet.py +++ b/src/conf_mode/interfaces-pseudo-ethernet.py @@ -51,8 +51,8 @@ default_config_data = { 'ipv6_forwarding': 1, 'ipv6_dup_addr_detect': 1, 'intf': '', - 'link': '', - 'link_changed': False, + 'source_interface': '', + 'source_interface_changed': False, 'mac': '', 'mode': 'private', 'vif_s': [], @@ -166,12 +166,12 @@ def get_config(): if conf.exists('ipv6 dup-addr-detect-transmits'): peth['ipv6_dup_addr_detect'] = int(conf.return_value('ipv6 dup-addr-detect-transmits')) - # Lower link device - if conf.exists(['link']): - peth['link'] = conf.return_value(['link']) - tmp = conf.return_effective_value(['link']) - if tmp != peth['link']: - peth['link_changed'] = True + # Physical interface + if conf.exists(['source-interface']): + peth['source_interface'] = conf.return_value(['source-interface']) + tmp = conf.return_effective_value(['source-interface']) + if tmp != peth['source_interface']: + peth['source_interface_changed'] = True # Media Access Control (MAC) address if conf.exists(['mac']): @@ -227,10 +227,10 @@ def verify(peth): 'is a member of bridge "{1}"!'.format(interface, bridge)) return None - if not peth['link']: + if not peth['source_interface']: raise ConfigError('Link device must be set for virtual ethernet {}'.format(peth['intf'])) - if not peth['link'] in interfaces(): + if not peth['source_interface'] in interfaces(): raise ConfigError('Pseudo-ethernet source interface does not exist') vrf_name = peth['vrf'] @@ -253,12 +253,12 @@ def apply(peth): p.remove() return None - elif peth['link_changed']: + elif peth['source_interface_changed']: # Check if MACVLAN interface already exists. Parameters like the - # underlaying link device can not be changed on the fly and the - # interface needs to be recreated from the bottom. + # underlaying source-interface device can not be changed on the fly + # and the interface needs to be recreated from the bottom. # - # link_changed also means - the interface was not present in the + # source_interface_changed also means - the interface was not present in the # beginning and is newly created if peth['intf'] in interfaces(): p = MACVLANIf(peth['intf']) @@ -269,7 +269,7 @@ def apply(peth): conf = deepcopy(MACVLANIf.get_config()) # Assign MACVLAN instance configuration parameters to config dict - conf['link'] = peth['link'] + conf['source_interface'] = peth['source_interface'] conf['mode'] = peth['mode'] # It is safe to "re-create" the interface always, there is a sanity check diff --git a/src/conf_mode/interfaces-vxlan.py b/src/conf_mode/interfaces-vxlan.py index b9bfb242a..54446d6de 100755 --- a/src/conf_mode/interfaces-vxlan.py +++ b/src/conf_mode/interfaces-vxlan.py @@ -42,7 +42,7 @@ default_config_data = { 'ipv6_eui64_prefix': '', 'ipv6_forwarding': 1, 'ipv6_dup_addr_detect': 1, - 'link': '', + 'source_interface': '', 'mtu': 1450, 'remote': '', 'remote_port': 8472, # The Linux implementation of VXLAN pre-dates @@ -125,8 +125,8 @@ def get_config(): vxlan['ipv6_dup_addr_detect'] = int(conf.return_value('ipv6 dup-addr-detect-transmits')) # VXLAN underlay interface - if conf.exists('link'): - vxlan['link'] = conf.return_value('link') + if conf.exists('source-interface'): + vxlan['source_interface'] = conf.return_value('source-interface') # Maximum Transmission Unit (MTU) if conf.exists('mtu'): @@ -162,18 +162,19 @@ def verify(vxlan): print('WARNING: RFC7348 recommends VXLAN tunnels preserve a 1500 byte MTU') if vxlan['group']: - if not vxlan['link']: + if not vxlan['source_interface']: raise ConfigError('Multicast VXLAN requires an underlaying interface ') - if not vxlan['link'] in interfaces(): + + if not vxlan['source_interface'] in interfaces(): raise ConfigError('VXLAN source interface does not exist') if not vxlan['vni']: raise ConfigError('Must configure VNI for VXLAN') - if vxlan['link']: + if vxlan['source_interface']: # VXLAN adds a 50 byte overhead - we need to check the underlaying MTU # if our configured MTU is at least 50 bytes less - underlay_mtu = int(Interface(vxlan['link']).get_mtu()) + underlay_mtu = int(Interface(vxlan['source_interface']).get_mtu()) if underlay_mtu < (vxlan['mtu'] + 50): raise ConfigError('VXLAN has a 50 byte overhead, underlaying device ' \ 'MTU is to small ({})'.format(underlay_mtu)) @@ -202,7 +203,7 @@ def apply(vxlan): # Assign VXLAN instance configuration parameters to config dict conf['vni'] = vxlan['vni'] conf['group'] = vxlan['group'] - conf['dev'] = vxlan['link'] + conf['dev'] = vxlan['source_interface'] conf['remote'] = vxlan['remote'] conf['port'] = vxlan['remote_port'] diff --git a/src/migration-scripts/interfaces/8-to-9 b/src/migration-scripts/interfaces/8-to-9 new file mode 100755 index 000000000..e0b9dd375 --- /dev/null +++ b/src/migration-scripts/interfaces/8-to-9 @@ -0,0 +1,52 @@ +#!/usr/bin/env python3 +# +# 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 +# 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 . + +# Rename link nodes to source-interface for the following interface types: +# - vxlan +# - pseudo ethernet + +from sys import exit, argv +from vyos.configtree import ConfigTree + +if __name__ == '__main__': + if (len(argv) < 1): + print("Must specify file name!") + exit(1) + + file_name = argv[1] + with open(file_name, 'r') as f: + config_file = f.read() + + config = ConfigTree(config_file) + + for if_type in ['vxlan', 'pseudo-ethernet']: + base = ['interfaces', if_type] + if not config.exists(base): + # Nothing to do + exit(0) + + # list all individual interface isntance + for i in config.list_nodes(base): + iface = base + [i] + if config.exists(iface + ['link']): + config.rename(iface + ['link'], 'source-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) -- cgit v1.2.3