From 92dd96726dd638593ab0794ab9b66cfb33b2ac67 Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Tue, 21 Jul 2020 22:00:12 +0200 Subject: geneve: ifconfig: T2653: move to get_config_dict() The current VyOS CLI parser code written in Python contains a ton of duplicates which I can also hold myself accountable for - or maybe mainly me - depends on the angle of judge. --- src/conf_mode/interfaces-geneve.py | 128 +++++++------------------------------ 1 file changed, 23 insertions(+), 105 deletions(-) (limited to 'src/conf_mode/interfaces-geneve.py') diff --git a/src/conf_mode/interfaces-geneve.py b/src/conf_mode/interfaces-geneve.py index 31f6eb6b5..868ab5ccf 100755 --- a/src/conf_mode/interfaces-geneve.py +++ b/src/conf_mode/interfaces-geneve.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2019 VyOS maintainers and contributors +# Copyright (C) 2019-2020 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 @@ -21,102 +21,44 @@ from copy import deepcopy from netifaces import interfaces from vyos.config import Config +from vyos.configdict import get_interface_dict +from vyos.configverify import verify_address +from vyos.configverify import verify_bridge_delete from vyos.ifconfig import GeneveIf -from vyos.validate import is_member from vyos import ConfigError from vyos import airbag airbag.enable() -default_config_data = { - 'address': [], - 'deleted': False, - 'description': '', - 'disable': False, - 'intf': '', - 'ip_arp_cache_tmo': 30, - 'ip_proxy_arp': 0, - 'is_bridge_member': False, - 'mtu': 1500, - 'remote': '', - 'vni': '' -} - def get_config(): - geneve = deepcopy(default_config_data) + """ + Retrive CLI config as dictionary. Dictionary can never be empty, as at least the + interface name will be added or a deleted flag + """ conf = Config() + base = ['interfaces', 'geneve'] # determine tagNode instance if 'VYOS_TAGNODE_VALUE' not in os.environ: raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - geneve['intf'] = os.environ['VYOS_TAGNODE_VALUE'] - - # check if interface is member if a bridge - geneve['is_bridge_member'] = is_member(conf, geneve['intf'], 'bridge') - - # Check if interface has been removed - if not conf.exists('interfaces geneve ' + geneve['intf']): - geneve['deleted'] = True - return geneve - - # set new configuration level - conf.set_level('interfaces geneve ' + geneve['intf']) - - # retrieve configured interface addresses - if conf.exists('address'): - geneve['address'] = conf.return_values('address') - - # retrieve interface description - if conf.exists('description'): - geneve['description'] = conf.return_value('description') - - # Disable this interface - if conf.exists('disable'): - geneve['disable'] = True - - # ARP cache entry timeout in seconds - if conf.exists('ip arp-cache-timeout'): - geneve['ip_arp_cache_tmo'] = int(conf.return_value('ip arp-cache-timeout')) - - # Enable proxy-arp on this interface - if conf.exists('ip enable-proxy-arp'): - geneve['ip_proxy_arp'] = 1 - - # Maximum Transmission Unit (MTU) - if conf.exists('mtu'): - geneve['mtu'] = int(conf.return_value('mtu')) - - # Remote address of GENEVE tunnel - if conf.exists('remote'): - geneve['remote'] = conf.return_value('remote') - - # Virtual Network Identifier - if conf.exists('vni'): - geneve['vni'] = conf.return_value('vni') + ifname = os.environ['VYOS_TAGNODE_VALUE'] + geneve = get_interface_dict(conf, base, ifname) return geneve - def verify(geneve): - if geneve['deleted']: - if geneve['is_bridge_member']: - raise ConfigError(( - f'Cannot delete interface "{geneve["intf"]}" as it is a ' - f'member of bridge "{geneve["is_bridge_member"]}"!')) - + if 'deleted' in geneve: + verify_bridge_delete(geneve) return None - if geneve['is_bridge_member'] and geneve['address']: - raise ConfigError(( - f'Cannot assign address to interface "{geneve["intf"]}" ' - f'as it is a member of bridge "{geneve["is_bridge_member"]}"!')) + verify_address(geneve) - if not geneve['remote']: - raise ConfigError('GENEVE remote must be configured') + if 'remote' not in geneve: + raise ConfigError('Remote side must be configured') - if not geneve['vni']: - raise ConfigError('GENEVE VNI must be configured') + if 'vni' not in geneve: + raise ConfigError('VNI must be configured') return None @@ -127,13 +69,13 @@ def generate(geneve): def apply(geneve): # Check if GENEVE interface already exists - if geneve['intf'] in interfaces(): - g = GeneveIf(geneve['intf']) + if geneve['ifname'] in interfaces(): + g = GeneveIf(geneve['ifname']) # GENEVE is super picky and the tunnel always needs to be recreated, # thus we can simply always delete it first. g.remove() - if not geneve['deleted']: + if 'deleted' not in geneve: # GENEVE interface needs to be created on-block # instead of passing a ton of arguments, I just use a dict # that is managed by vyos.ifconfig @@ -144,32 +86,8 @@ def apply(geneve): conf['remote'] = geneve['remote'] # Finally create the new interface - g = GeneveIf(geneve['intf'], **conf) - # update interface description used e.g. by SNMP - g.set_alias(geneve['description']) - # Maximum Transfer Unit (MTU) - g.set_mtu(geneve['mtu']) - - # configure ARP cache timeout in milliseconds - g.set_arp_cache_tmo(geneve['ip_arp_cache_tmo']) - # Enable proxy-arp on this interface - g.set_proxy_arp(geneve['ip_proxy_arp']) - - # Configure interface address(es) - no need to implicitly delete the - # old addresses as they have already been removed by deleting the - # interface above - for addr in geneve['address']: - g.add_addr(addr) - - # As the GENEVE interface is always disabled first when changing - # parameters we will only re-enable the interface if it is not - # administratively disabled - if not geneve['disable']: - g.set_admin_state('up') - - # re-add ourselves to any bridge we might have fallen out of - if geneve['is_bridge_member']: - g.add_to_bridge(geneve['is_bridge_member']) + g = GeneveIf(geneve['ifname'], **conf) + g.update(geneve) return None -- cgit v1.2.3 From e70a304e36fc6456e16fea81ace4a0a5fd8bd1df Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Sat, 25 Jul 2020 00:39:14 +0200 Subject: ifconfig: T2653: make ifname an optional argument to get_interface_dict() Further reduce the boiler-plate code to determine interface tag node or not. It can be passed into get_interface_dict() if explicitly required - else it is taken from the environment. --- python/vyos/configdict.py | 11 ++++++++--- src/conf_mode/interfaces-bonding.py | 10 ++-------- src/conf_mode/interfaces-bridge.py | 11 ++--------- src/conf_mode/interfaces-dummy.py | 8 +------- src/conf_mode/interfaces-ethernet.py | 8 +------- src/conf_mode/interfaces-geneve.py | 9 +-------- src/conf_mode/interfaces-loopback.py | 8 +------- src/conf_mode/interfaces-macsec.py | 8 +------- src/conf_mode/interfaces-pppoe.py | 8 +------- src/conf_mode/interfaces-pseudo-ethernet.py | 8 +------- src/conf_mode/interfaces-wireless.py | 8 +------- src/conf_mode/interfaces-wirelessmodem.py | 9 +-------- 12 files changed, 21 insertions(+), 85 deletions(-) (limited to 'src/conf_mode/interfaces-geneve.py') diff --git a/python/vyos/configdict.py b/python/vyos/configdict.py index 53b5f9492..126d6195a 100644 --- a/python/vyos/configdict.py +++ b/python/vyos/configdict.py @@ -15,8 +15,8 @@ """ A library for retrieving value dicts from VyOS configs in a declarative fashion. - """ +import os import jmespath from enum import Enum @@ -24,7 +24,6 @@ from copy import deepcopy from vyos import ConfigError from vyos.validate import is_member -from vyos.util import ifname_from_config def retrieve_config(path_hash, base_path, config): """ @@ -195,7 +194,7 @@ def get_removed_vlans(conf, dict): return dict -def get_interface_dict(config, base, ifname): +def get_interface_dict(config, base, ifname=''): """ Common utility function to retrieve and mandgle the interfaces available in CLI configuration. All interfaces have a common base ground where the @@ -205,6 +204,12 @@ def get_interface_dict(config, base, ifname): """ from vyos.xml import defaults + if not ifname: + # determine tagNode instance + if 'VYOS_TAGNODE_VALUE' not in os.environ: + raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') + ifname = os.environ['VYOS_TAGNODE_VALUE'] + # retrieve interface default values default_values = defaults(base) diff --git a/src/conf_mode/interfaces-bonding.py b/src/conf_mode/interfaces-bonding.py index 8e87a0059..3b238f1ea 100755 --- a/src/conf_mode/interfaces-bonding.py +++ b/src/conf_mode/interfaces-bonding.py @@ -60,13 +60,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'bonding'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - bond = get_interface_dict(conf, base, ifname) + bond = get_interface_dict(conf, base) # To make our own life easier transfor the list of member interfaces # into a dictionary - we will use this to add additional information @@ -107,7 +101,7 @@ def get_config(): # Check if we are a member of a bond device tmp = is_member(conf, interface, 'bonding') - if tmp and tmp != ifname: + if tmp and tmp != bond['ifname']: interface_config.update({'is_bond_member' : tmp}) # bond members must not have an assigned address diff --git a/src/conf_mode/interfaces-bridge.py b/src/conf_mode/interfaces-bridge.py index 9c43d1983..ee8e85e73 100755 --- a/src/conf_mode/interfaces-bridge.py +++ b/src/conf_mode/interfaces-bridge.py @@ -41,13 +41,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'bridge'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - bridge = get_interface_dict(conf, base, ifname) + bridge = get_interface_dict(conf, base) # determine which members have been removed tmp = node_changed(conf, ['member', 'interface']) @@ -69,13 +63,12 @@ def get_config(): # the default dictionary is not properly paged into the dict (see T2665) # thus we will ammend it ourself default_member_values = defaults(base + ['member', 'interface']) - for interface, interface_config in bridge['member']['interface'].items(): interface_config.update(default_member_values) # Check if we are a member of another bridge device tmp = is_member(conf, interface, 'bridge') - if tmp and tmp != ifname: + if tmp and tmp != bridge['ifname']: interface_config.update({'is_bridge_member' : tmp}) # Check if we are a member of a bond device diff --git a/src/conf_mode/interfaces-dummy.py b/src/conf_mode/interfaces-dummy.py index 6d2a78e30..8df86c8ea 100755 --- a/src/conf_mode/interfaces-dummy.py +++ b/src/conf_mode/interfaces-dummy.py @@ -35,13 +35,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'dummy'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - dummy = get_interface_dict(conf, base, ifname) + dummy = get_interface_dict(conf, base) return dummy def verify(dummy): diff --git a/src/conf_mode/interfaces-ethernet.py b/src/conf_mode/interfaces-ethernet.py index 24ea0af7c..10758e35a 100755 --- a/src/conf_mode/interfaces-ethernet.py +++ b/src/conf_mode/interfaces-ethernet.py @@ -37,13 +37,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'ethernet'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - ethernet = get_interface_dict(conf, base, ifname) + ethernet = get_interface_dict(conf, base) return ethernet def verify(ethernet): diff --git a/src/conf_mode/interfaces-geneve.py b/src/conf_mode/interfaces-geneve.py index 868ab5ccf..1104bd3c0 100755 --- a/src/conf_mode/interfaces-geneve.py +++ b/src/conf_mode/interfaces-geneve.py @@ -37,14 +37,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'geneve'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - geneve = get_interface_dict(conf, base, ifname) - + geneve = get_interface_dict(conf, base) return geneve def verify(geneve): diff --git a/src/conf_mode/interfaces-loopback.py b/src/conf_mode/interfaces-loopback.py index 68a1392ff..0398cd591 100755 --- a/src/conf_mode/interfaces-loopback.py +++ b/src/conf_mode/interfaces-loopback.py @@ -32,13 +32,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'loopback'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - loopback = get_interface_dict(conf, base, ifname) + loopback = get_interface_dict(conf, base) return loopback def verify(loopback): diff --git a/src/conf_mode/interfaces-macsec.py b/src/conf_mode/interfaces-macsec.py index 06aee9ea0..ca15212d4 100755 --- a/src/conf_mode/interfaces-macsec.py +++ b/src/conf_mode/interfaces-macsec.py @@ -42,13 +42,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'macsec'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - macsec = get_interface_dict(conf, base, ifname) + macsec = get_interface_dict(conf, base) # Check if interface has been removed if 'deleted' in macsec: diff --git a/src/conf_mode/interfaces-pppoe.py b/src/conf_mode/interfaces-pppoe.py index 6947cc1e2..b9a88a949 100755 --- a/src/conf_mode/interfaces-pppoe.py +++ b/src/conf_mode/interfaces-pppoe.py @@ -38,13 +38,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'pppoe'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - pppoe = get_interface_dict(conf, base, ifname) + pppoe = get_interface_dict(conf, base) # PPPoE is "special" the default MTU is 1492 - update accordingly # as the config_level is already st in get_interface_dict() - we can use [] diff --git a/src/conf_mode/interfaces-pseudo-ethernet.py b/src/conf_mode/interfaces-pseudo-ethernet.py index 55f11e65e..4afea2b3a 100755 --- a/src/conf_mode/interfaces-pseudo-ethernet.py +++ b/src/conf_mode/interfaces-pseudo-ethernet.py @@ -40,13 +40,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'pseudo-ethernet'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - peth = get_interface_dict(conf, base, ifname) + peth = get_interface_dict(conf, base) mode = leaf_node_changed(conf, ['mode']) if mode: diff --git a/src/conf_mode/interfaces-wireless.py b/src/conf_mode/interfaces-wireless.py index 42b55ee6a..b6f247952 100755 --- a/src/conf_mode/interfaces-wireless.py +++ b/src/conf_mode/interfaces-wireless.py @@ -71,13 +71,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'wireless'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - wifi = get_interface_dict(conf, base, ifname) + wifi = get_interface_dict(conf, base) if 'security' in wifi and 'wpa' in wifi['security']: wpa_cipher = wifi['security']['wpa'].get('cipher') diff --git a/src/conf_mode/interfaces-wirelessmodem.py b/src/conf_mode/interfaces-wirelessmodem.py index 9a5dae9e0..4081be3c9 100755 --- a/src/conf_mode/interfaces-wirelessmodem.py +++ b/src/conf_mode/interfaces-wirelessmodem.py @@ -48,14 +48,7 @@ def get_config(): """ conf = Config() base = ['interfaces', 'wirelessmodem'] - - # determine tagNode instance - if 'VYOS_TAGNODE_VALUE' not in os.environ: - raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') - - ifname = os.environ['VYOS_TAGNODE_VALUE'] - wwan = get_interface_dict(conf, base, ifname) - + wwan = get_interface_dict(conf, base) return wwan def verify(wwan): -- cgit v1.2.3