diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/vyos/base.py | 9 | ||||
| -rw-r--r-- | python/vyos/configdict.py | 17 | ||||
| -rw-r--r-- | python/vyos/configquery.py | 46 | ||||
| -rw-r--r-- | python/vyos/configsource.py | 3 | ||||
| -rw-r--r-- | python/vyos/defaults.py | 7 | ||||
| -rw-r--r-- | python/vyos/hostsd_client.py | 12 | ||||
| -rwxr-xr-x | python/vyos/ifconfig/interface.py | 43 | ||||
| -rw-r--r-- | python/vyos/ifconfig/section.py | 10 | ||||
| -rw-r--r-- | python/vyos/ifconfig/vxlan.py | 10 | ||||
| -rw-r--r-- | python/vyos/range_regex.py | 142 | ||||
| -rw-r--r-- | python/vyos/util.py | 27 |
11 files changed, 291 insertions, 35 deletions
diff --git a/python/vyos/base.py b/python/vyos/base.py index 4e23714e5..c78045548 100644 --- a/python/vyos/base.py +++ b/python/vyos/base.py @@ -1,4 +1,4 @@ -# Copyright 2018 VyOS maintainers and contributors <maintainers@vyos.io> +# Copyright 2018-2021 VyOS maintainers and contributors <maintainers@vyos.io> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -13,6 +13,11 @@ # 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/>. +from textwrap import fill class ConfigError(Exception): - pass + def __init__(self, message): + # Reformat the message and trim it to 72 characters in length + message = fill(message, width=72) + # Call the base class constructor with the parameters it needs + super().__init__(message) diff --git a/python/vyos/configdict.py b/python/vyos/configdict.py index 425a2e416..d974a7565 100644 --- a/python/vyos/configdict.py +++ b/python/vyos/configdict.py @@ -459,7 +459,10 @@ def get_interface_dict(config, base, ifname=''): # Only add defaults if interface is not about to be deleted - this is # to keep a cleaner config dict. if 'deleted' not in dict: - dict['vif'][vif] = dict_merge(default_vif_values, vif_config) + address = leaf_node_changed(config, ['vif', vif, 'address']) + if address: dict['vif'][vif].update({'address_old' : address}) + + dict['vif'][vif] = dict_merge(default_vif_values, dict['vif'][vif]) # XXX: T2665: blend in proper DHCPv6-PD default values dict['vif'][vif] = T2665_set_dhcpv6pd_defaults(dict['vif'][vif]) @@ -480,7 +483,11 @@ def get_interface_dict(config, base, ifname=''): # Only add defaults if interface is not about to be deleted - this is # to keep a cleaner config dict. if 'deleted' not in dict: - dict['vif_s'][vif_s] = dict_merge(default_vif_s_values, vif_s_config) + address = leaf_node_changed(config, ['vif-s', vif_s, 'address']) + if address: dict['vif_s'][vif_s].update({'address_old' : address}) + + dict['vif_s'][vif_s] = dict_merge(default_vif_s_values, + dict['vif_s'][vif_s]) # XXX: T2665: blend in proper DHCPv6-PD default values dict['vif_s'][vif_s] = T2665_set_dhcpv6pd_defaults(dict['vif_s'][vif_s]) @@ -499,8 +506,12 @@ def get_interface_dict(config, base, ifname=''): # Only add defaults if interface is not about to be deleted - this is # to keep a cleaner config dict. if 'deleted' not in dict: + address = leaf_node_changed(config, ['vif-s', vif_s, 'vif-c', vif_c, 'address']) + if address: dict['vif_s'][vif_s]['vif_c'][vif_c].update( + {'address_old' : address}) + dict['vif_s'][vif_s]['vif_c'][vif_c] = dict_merge( - default_vif_c_values, vif_c_config) + default_vif_c_values, dict['vif_s'][vif_s]['vif_c'][vif_c]) # XXX: T2665: blend in proper DHCPv6-PD default values dict['vif_s'][vif_s]['vif_c'][vif_c] = T2665_set_dhcpv6pd_defaults( dict['vif_s'][vif_s]['vif_c'][vif_c]) diff --git a/python/vyos/configquery.py b/python/vyos/configquery.py index 1cdcbcf39..5b097b312 100644 --- a/python/vyos/configquery.py +++ b/python/vyos/configquery.py @@ -18,16 +18,15 @@ A small library that allows querying existence or value(s) of config settings from op mode, and execution of arbitrary op mode commands. ''' -import re -import json -from copy import deepcopy +import os from subprocess import STDOUT -import vyos.util -import vyos.xml +from vyos.util import popen, boot_configuration_complete from vyos.config import Config -from vyos.configtree import ConfigTree -from vyos.configsource import ConfigSourceSession +from vyos.configsource import ConfigSourceSession, ConfigSourceString +from vyos.defaults import directories + +config_file = os.path.join(directories['config'], 'config.boot') class ConfigQueryError(Exception): pass @@ -58,21 +57,21 @@ class CliShellApiConfigQuery(GenericConfigQuery): def exists(self, path: list): cmd = ' '.join(path) - (_, err) = vyos.util.popen(f'cli-shell-api existsActive {cmd}') + (_, err) = popen(f'cli-shell-api existsActive {cmd}') if err: return False return True def value(self, path: list): cmd = ' '.join(path) - (out, err) = vyos.util.popen(f'cli-shell-api returnActiveValue {cmd}') + (out, err) = popen(f'cli-shell-api returnActiveValue {cmd}') if err: raise ConfigQueryError('No value for given path') return out def values(self, path: list): cmd = ' '.join(path) - (out, err) = vyos.util.popen(f'cli-shell-api returnActiveValues {cmd}') + (out, err) = popen(f'cli-shell-api returnActiveValues {cmd}') if err: raise ConfigQueryError('No values for given path') return out @@ -81,25 +80,36 @@ class ConfigTreeQuery(GenericConfigQuery): def __init__(self): super().__init__() - config_source = ConfigSourceSession() - self.configtree = Config(config_source=config_source) + if boot_configuration_complete(): + config_source = ConfigSourceSession() + self.config = Config(config_source=config_source) + else: + try: + with open(config_file) as f: + config_string = f.read() + except OSError as err: + raise ConfigQueryError('No config file available') from err + + config_source = ConfigSourceString(running_config_text=config_string, + session_config_text=config_string) + self.config = Config(config_source=config_source) def exists(self, path: list): - return self.configtree.exists(path) + return self.config.exists(path) def value(self, path: list): - return self.configtree.return_value(path) + return self.config.return_value(path) def values(self, path: list): - return self.configtree.return_values(path) + return self.config.return_values(path) def list_nodes(self, path: list): - return self.configtree.list_nodes(path) + return self.config.list_nodes(path) def get_config_dict(self, path=[], effective=False, key_mangling=None, get_first_key=False, no_multi_convert=False, no_tag_node_value_mangle=False): - return self.configtree.get_config_dict(path, effective=effective, + return self.config.get_config_dict(path, effective=effective, key_mangling=key_mangling, get_first_key=get_first_key, no_multi_convert=no_multi_convert, no_tag_node_value_mangle=no_tag_node_value_mangle) @@ -110,7 +120,7 @@ class VbashOpRun(GenericOpRun): def run(self, path: list, **kwargs): cmd = ' '.join(path) - (out, err) = vyos.util.popen(f'. /opt/vyatta/share/vyatta-op/functions/interpreter/vyatta-op-run; _vyatta_op_run {cmd}', stderr=STDOUT, **kwargs) + (out, err) = popen(f'/opt/vyatta/bin/vyatta-op-cmd-wrapper {cmd}', stderr=STDOUT, **kwargs) if err: raise ConfigQueryError(out) return out diff --git a/python/vyos/configsource.py b/python/vyos/configsource.py index b0981d25e..a0f6a46b5 100644 --- a/python/vyos/configsource.py +++ b/python/vyos/configsource.py @@ -19,6 +19,7 @@ import re import subprocess from vyos.configtree import ConfigTree +from vyos.util import boot_configuration_complete class VyOSError(Exception): """ @@ -117,7 +118,7 @@ class ConfigSourceSession(ConfigSource): # Running config can be obtained either from op or conf mode, it always succeeds # once the config system is initialized during boot; # before initialization, set to empty string - if os.path.isfile('/tmp/vyos-config-status'): + if boot_configuration_complete(): try: running_config_text = self._run([self._cli_shell_api, '--show-active-only', '--show-show-defaults', '--show-ignore-edit', 'showConfig']) except VyOSError: diff --git a/python/vyos/defaults.py b/python/vyos/defaults.py index 00b14a985..c77b695bd 100644 --- a/python/vyos/defaults.py +++ b/python/vyos/defaults.py @@ -29,6 +29,8 @@ directories = { "vyos_udev_dir": "/run/udev/vyos" } +config_status = '/tmp/vyos-config-status' + cfg_group = 'vyattacfg' cfg_vintage = 'vyos' @@ -44,8 +46,9 @@ https_data = { api_data = { 'listen_address' : '127.0.0.1', 'port' : '8080', - 'strict' : 'false', - 'debug' : 'false', + 'socket' : False, + 'strict' : False, + 'debug' : False, 'api_keys' : [ {"id": "testapp", "key": "qwerty"} ] } diff --git a/python/vyos/hostsd_client.py b/python/vyos/hostsd_client.py index 303b6ea47..f31ef51cf 100644 --- a/python/vyos/hostsd_client.py +++ b/python/vyos/hostsd_client.py @@ -79,6 +79,18 @@ class Client(object): msg = {'type': 'forward_zones', 'op': 'get'} return self._communicate(msg) + def add_authoritative_zones(self, data): + msg = {'type': 'authoritative_zones', 'op': 'add', 'data': data} + self._communicate(msg) + + def delete_authoritative_zones(self, data): + msg = {'type': 'authoritative_zones', 'op': 'delete', 'data': data} + self._communicate(msg) + + def get_authoritative_zones(self): + msg = {'type': 'authoritative_zones', 'op': 'get'} + return self._communicate(msg) + def add_search_domains(self, data): msg = {'type': 'search_domains', 'op': 'add', 'data': data} self._communicate(msg) diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py index 58d130ef6..bcb692697 100755 --- a/python/vyos/ifconfig/interface.py +++ b/python/vyos/ifconfig/interface.py @@ -37,6 +37,7 @@ from vyos.util import mac2eui64 from vyos.util import dict_search from vyos.util import read_file from vyos.util import get_interface_config +from vyos.util import get_interface_namespace from vyos.util import is_systemd_service_active from vyos.template import is_ipv4 from vyos.template import is_ipv6 @@ -135,6 +136,9 @@ class Interface(Control): 'validate': assert_mtu, 'shellcmd': 'ip link set dev {ifname} mtu {value}', }, + 'netns': { + 'shellcmd': 'ip link set dev {ifname} netns {value}', + }, 'vrf': { 'convert': lambda v: f'master {v}' if v else 'nomaster', 'shellcmd': 'ip link set dev {ifname} {value}', @@ -512,6 +516,35 @@ class Interface(Control): if prev_state == 'up': self.set_admin_state('up') + def del_netns(self, netns): + """ + Remove interface from given NETNS. + """ + + # If NETNS does not exist then there is nothing to delete + if not os.path.exists(f'/run/netns/{netns}'): + return None + + # As a PoC we only allow 'dummy' interfaces + if 'dum' not in self.ifname: + return None + + # Check if interface realy exists in namespace + if get_interface_namespace(self.ifname) != None: + self._cmd(f'ip netns exec {get_interface_namespace(self.ifname)} ip link del dev {self.ifname}') + return + + def set_netns(self, netns): + """ + Add interface from given NETNS. + + Example: + >>> from vyos.ifconfig import Interface + >>> Interface('dum0').set_netns('foo') + """ + + self.set_interface('netns', netns) + def set_vrf(self, vrf): """ Add/Remove interface from given VRF instance. @@ -1353,6 +1386,16 @@ class Interface(Control): if mac: self.set_mac(mac) + # If interface is connected to NETNS we don't have to check all other + # settings like MTU/IPv6/sysctl values, etc. + # Since the interface is pushed onto a separate logical stack + # Configure NETNS + if dict_search('netns', config) != None: + self.set_netns(config.get('netns', '')) + return + else: + self.del_netns(config.get('netns', '')) + # Update interface description self.set_alias(config.get('description', '')) diff --git a/python/vyos/ifconfig/section.py b/python/vyos/ifconfig/section.py index 0e4447b9e..91f667b65 100644 --- a/python/vyos/ifconfig/section.py +++ b/python/vyos/ifconfig/section.py @@ -52,12 +52,12 @@ class Section: name: name of the interface vlan: if vlan is True, do not stop at the vlan number """ - name = name.rstrip('0123456789') - name = name.rstrip('.') - if vlan: - name = name.rstrip('0123456789.') if vrrp: - name = name.rstrip('0123456789v') + name = re.sub(r'\d(\d|v|\.)*$', '', name) + elif vlan: + name = re.sub(r'\d(\d|\.)*$', '', name) + else: + name = re.sub(r'\d+$', '', name) return name @classmethod diff --git a/python/vyos/ifconfig/vxlan.py b/python/vyos/ifconfig/vxlan.py index d73fb47b8..9615f396d 100644 --- a/python/vyos/ifconfig/vxlan.py +++ b/python/vyos/ifconfig/vxlan.py @@ -54,18 +54,20 @@ class VXLANIf(Interface): # arguments used by iproute2. For more information please refer to: # - https://man7.org/linux/man-pages/man8/ip-link.8.html mapping = { - 'source_address' : 'local', - 'source_interface' : 'dev', - 'remote' : 'remote', 'group' : 'group', + 'external' : 'external', 'parameters.ip.dont_fragment': 'df set', 'parameters.ip.tos' : 'tos', 'parameters.ip.ttl' : 'ttl', 'parameters.ipv6.flowlabel' : 'flowlabel', 'parameters.nolearning' : 'nolearning', + 'remote' : 'remote', + 'source_address' : 'local', + 'source_interface' : 'dev', + 'vni' : 'id', } - cmd = 'ip link add {ifname} type {type} id {vni} dstport {port}' + cmd = 'ip link add {ifname} type {type} dstport {port}' for vyos_key, iproute2_key in mapping.items(): # dict_search will return an empty dict "{}" for valueless nodes like # "parameters.nolearning" - thus we need to test the nodes existence diff --git a/python/vyos/range_regex.py b/python/vyos/range_regex.py new file mode 100644 index 000000000..a8190d140 --- /dev/null +++ b/python/vyos/range_regex.py @@ -0,0 +1,142 @@ +'''Copyright (c) 2013, Dmitry Voronin +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +1. Redistributions of source code must retain the above copyright notice, this +list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright notice, +this list of conditions and the following disclaimer in the documentation +and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +''' +import math + +# coding=utf8 + +# Split range to ranges that has its unique pattern. +# Example for 12-345: +# +# 12- 19: 1[2-9] +# 20- 99: [2-9]\d +# 100-299: [1-2]\d{2} +# 300-339: 3[0-3]\d +# 340-345: 34[0-5] + +def range_to_regex(inpt_range): + if isinstance(inpt_range, str): + range_list = inpt_range.split('-') + # Check input arguments + if len(range_list) == 2: + # The first element in range must be higher then the second + if int(range_list[0]) < int(range_list[1]): + return regex_for_range(int(range_list[0]), int(range_list[1])) + + return None + +def bounded_regex_for_range(min_, max_): + return r'\b({})\b'.format(regex_for_range(min_, max_)) + +def regex_for_range(min_, max_): + """ + > regex_for_range(12, 345) + '1[2-9]|[2-9]\d|[1-2]\d{2}|3[0-3]\d|34[0-5]' + """ + positive_subpatterns = [] + negative_subpatterns = [] + + if min_ < 0: + min__ = 1 + if max_ < 0: + min__ = abs(max_) + max__ = abs(min_) + + negative_subpatterns = split_to_patterns(min__, max__) + min_ = 0 + + if max_ >= 0: + positive_subpatterns = split_to_patterns(min_, max_) + + negative_only_subpatterns = ['-' + val for val in negative_subpatterns if val not in positive_subpatterns] + positive_only_subpatterns = [val for val in positive_subpatterns if val not in negative_subpatterns] + intersected_subpatterns = ['-?' + val for val in negative_subpatterns if val in positive_subpatterns] + + subpatterns = negative_only_subpatterns + intersected_subpatterns + positive_only_subpatterns + return '|'.join(subpatterns) + + +def split_to_patterns(min_, max_): + subpatterns = [] + + start = min_ + for stop in split_to_ranges(min_, max_): + subpatterns.append(range_to_pattern(start, stop)) + start = stop + 1 + + return subpatterns + + +def split_to_ranges(min_, max_): + stops = {max_} + + nines_count = 1 + stop = fill_by_nines(min_, nines_count) + while min_ <= stop < max_: + stops.add(stop) + + nines_count += 1 + stop = fill_by_nines(min_, nines_count) + + zeros_count = 1 + stop = fill_by_zeros(max_ + 1, zeros_count) - 1 + while min_ < stop <= max_: + stops.add(stop) + + zeros_count += 1 + stop = fill_by_zeros(max_ + 1, zeros_count) - 1 + + stops = list(stops) + stops.sort() + + return stops + + +def fill_by_nines(integer, nines_count): + return int(str(integer)[:-nines_count] + '9' * nines_count) + + +def fill_by_zeros(integer, zeros_count): + return integer - integer % 10 ** zeros_count + + +def range_to_pattern(start, stop): + pattern = '' + any_digit_count = 0 + + for start_digit, stop_digit in zip(str(start), str(stop)): + if start_digit == stop_digit: + pattern += start_digit + elif start_digit != '0' or stop_digit != '9': + pattern += '[{}-{}]'.format(start_digit, stop_digit) + else: + any_digit_count += 1 + + if any_digit_count: + pattern += r'\d' + + if any_digit_count > 1: + pattern += '{{{}}}'.format(any_digit_count) + + return pattern
\ No newline at end of file diff --git a/python/vyos/util.py b/python/vyos/util.py index d8e83ab8d..954c6670d 100644 --- a/python/vyos/util.py +++ b/python/vyos/util.py @@ -794,6 +794,24 @@ def get_interface_address(interface): tmp = loads(cmd(f'ip -d -j addr show {interface}'))[0] return tmp +def get_interface_namespace(iface): + """ + Returns wich netns the interface belongs to + """ + from json import loads + # Check if netns exist + tmp = loads(cmd(f'ip --json netns ls')) + if len(tmp) == 0: + return None + + for ns in tmp: + namespace = f'{ns["name"]}' + # Search interface in each netns + data = loads(cmd(f'ip netns exec {namespace} ip -j link show')) + for compare in data: + if iface == compare["ifname"]: + return namespace + def get_all_vrfs(): """ Return a dictionary of all system wide known VRF instances """ from json import loads @@ -961,3 +979,12 @@ def is_wwan_connected(interface): # return True/False if interface is in connected state return dict_search('modem.generic.state', tmp) == 'connected' + +def boot_configuration_complete() -> bool: + """ Check if the boot config loader has completed + """ + from vyos.defaults import config_status + + if os.path.isfile(config_status): + return True + return False |