diff options
| -rw-r--r-- | interface-definitions/protocols-igmp.xml.in | 61 | ||||
| -rw-r--r-- | interface-definitions/protocols-pim.xml.in | 84 | ||||
| -rwxr-xr-x | src/conf_mode/protocols_igmp.py | 130 | ||||
| -rwxr-xr-x | src/conf_mode/protocols_pim.py | 175 |
4 files changed, 450 insertions, 0 deletions
diff --git a/interface-definitions/protocols-igmp.xml.in b/interface-definitions/protocols-igmp.xml.in new file mode 100644 index 000000000..a6a2f1420 --- /dev/null +++ b/interface-definitions/protocols-igmp.xml.in @@ -0,0 +1,61 @@ +<?xml version="1.0"?> +<!-- Internet Group Management Protocol (IGMP) configuration --> +<interfaceDefinition> + <node name="protocols"> + <children> + <node name="igmp" owner="${vyos_conf_scripts_dir}/protocols_igmp.py"> + <properties> + <help>Internet Group Management Protocol (IGMP)</help> + </properties> + <children> + <tagNode name="interface"> + <properties> + <help>IGMP interface</help> + <completionHelp> + <script>${vyos_completion_dir}/list_interfaces.py</script> + </completionHelp> + </properties> + <children> + <leafNode name="version"> + <properties> + <help>IGMP version</help> + <valueHelp> + <format>2-3</format> + <description>IGMP version</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 2-3"/> + </constraint> + </properties> + </leafNode> + <leafNode name="query-interval"> + <properties> + <help>IGMP host query interval</help> + <valueHelp> + <format>1-1800</format> + <description>Query interval in seconds</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 1-1800"/> + </constraint> + </properties> + </leafNode> + <leafNode name="query-max-response-time"> + <properties> + <help>IGMP max query response time</help> + <valueHelp> + <format>10-250</format> + <description>Query response value in deci-seconds</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 10-250"/> + </constraint> + </properties> + </leafNode> + </children> + </tagNode> + </children> + </node> + </children> + </node> +</interfaceDefinition> diff --git a/interface-definitions/protocols-pim.xml.in b/interface-definitions/protocols-pim.xml.in new file mode 100644 index 000000000..944224f7b --- /dev/null +++ b/interface-definitions/protocols-pim.xml.in @@ -0,0 +1,84 @@ +<?xml version="1.0"?> +<!-- Protocol Independent Multicast (PIM) configuration --> +<interfaceDefinition> + <node name="protocols"> + <children> + <node name="pim" owner="${vyos_conf_scripts_dir}/protocols_pim.py"> + <properties> + <help>Protocol Independent Multicast (PIM)</help> + <priority>400</priority> + </properties> + <children> + <tagNode name="interface"> + <properties> + <help>PIM interface</help> + <completionHelp> + <script>${vyos_completion_dir}/list_interfaces.py</script> + </completionHelp> + </properties> + <children> + <leafNode name="hello"> + <properties> + <help>Hello Interval</help> + <valueHelp> + <format>1-180</format> + <description>Hello Interval in seconds</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 1-180"/> + </constraint> + </properties> + </leafNode> + </children> + </tagNode> + <node name="rp"> + <properties> + <help>Rendezvous Point</help> + </properties> + <children> + <tagNode name="address"> + <properties> + <help>Rendezvous Point address</help> + <valueHelp> + <format>ipv4</format> + <description>Rendezvous Point address</description> + </valueHelp> + <constraint> + <validator name="ipv4-address"/> + </constraint> + </properties> + <children> + <leafNode name="group"> + <properties> + <help>Group Address range</help> + <valueHelp> + <format>ipv4net</format> + <description>Group Address range RFC 3171</description> + </valueHelp> + <constraint> + <validator name="ip-prefix"/> + </constraint> + <multi/> + </properties> + </leafNode> + </children> + </tagNode> + <leafNode name="keep-alive-timer"> + <properties> + <help>Keep alive Timer</help> + <valueHelp> + <format>31-60000</format> + <description>Keep alive Timer in seconds</description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 31-60000"/> + </constraint> + </properties> + </leafNode> + </children> + </node> + </children> + </node> + </children> + </node> +</interfaceDefinition> diff --git a/src/conf_mode/protocols_igmp.py b/src/conf_mode/protocols_igmp.py new file mode 100755 index 000000000..8d25fe9d5 --- /dev/null +++ b/src/conf_mode/protocols_igmp.py @@ -0,0 +1,130 @@ +#!/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 <http://www.gnu.org/licenses/>. +# + +import sys +import jinja2 +import copy +import os +import vyos.validate + +from vyos import ConfigError +from vyos.config import Config + +config_file = r'/tmp/igmp.frr' + +# Please be careful if you edit the template. +config_tmpl = """ +! +{% for iface in old_ifaces -%} +interface {{ iface }} +no ip igmp +! +{% endfor -%} +{% for iface in ifaces -%} +interface {{ iface }} +{% if ifaces[iface].version -%} +ip igmp version {{ ifaces[iface].version }} +{% else -%} +{# IGMP default version 3 #} +ip igmp +{% endif -%} +{% if ifaces[iface].query_interval -%} +ip igmp query-interval {{ ifaces[iface].query_interval }} +{% endif -%} +{% if ifaces[iface].query_max_resp_time -%} +ip igmp query-max-response-time {{ ifaces[iface].query_max_resp_time }} +{% endif -%} +! +{% endfor -%} +! +""" + +def get_config(): + conf = Config() + igmp_conf = { + 'igmp_conf' : False, + 'old_ifaces' : {}, + 'ifaces' : {} + } + if not (conf.exists('protocols igmp') or conf.exists_effective('protocols igmp')): + return None + + if conf.exists('protocols igmp'): + igmp_conf['igmp_conf'] = True + + conf.set_level('protocols igmp') + + # # Get interfaces + for iface in conf.list_effective_nodes('interface'): + igmp_conf['old_ifaces'].update({ + iface : { + 'version' : conf.return_effective_value('interface {0} version'.format(iface)), + 'query_interval' : conf.return_effective_value('interface {0} query-interval'.format(iface)), + 'query_max_resp_time' : conf.return_effective_value('interface {0} query-max-response-time'.format(iface)) + } + }) + + for iface in conf.list_nodes('interface'): + igmp_conf['ifaces'].update({ + iface : { + 'version' : conf.return_value('interface {0} version'.format(iface)), + 'query_interval' : conf.return_value('interface {0} query-interval'.format(iface)), + 'query_max_resp_time' : conf.return_value('interface {0} query-max-response-time'.format(iface)) + } + }) + + return igmp_conf + +def verify(igmp): + if igmp is None: + return None + + if igmp['igmp_conf']: + # Check interfaces + if not igmp['ifaces']: + raise ConfigError(f"IGMP require defined interfaces!") + +def generate(igmp): + if igmp is None: + return None + + tmpl = jinja2.Template(config_tmpl) + config_text = tmpl.render(igmp) + with open(config_file, 'w') as f: + f.write(config_text) + + return None + +def apply(igmp): + if igmp is None: + return None + + if os.path.exists(config_file): + os.system("sudo vtysh -d pimd -f " + config_file) + os.remove(config_file) + + return None + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + sys.exit(1) diff --git a/src/conf_mode/protocols_pim.py b/src/conf_mode/protocols_pim.py new file mode 100755 index 000000000..dc65a59a6 --- /dev/null +++ b/src/conf_mode/protocols_pim.py @@ -0,0 +1,175 @@ +#!/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 <http://www.gnu.org/licenses/>. +# + +import sys +import jinja2 +import copy +import os +import vyos.validate +from ipaddress import IPv4Address + +from vyos import ConfigError +from vyos.config import Config + +config_file = r'/tmp/pimd.frr' + +# Please be careful if you edit the template. +config_tmpl = """ +! +{% for rp_addr in old_pim.rp -%} +{% for group in old_pim.rp[rp_addr] -%} +no ip pim rp {{ rp_addr }} {{ group }} +{% endfor -%} +{% endfor -%} +{% if old_pim.rp_keep_alive -%} +no ip pim rp keep-alive-timer {{ old_pim.rp_keep_alive }} +{% endif -%} +{% for iface in old_pim.ifaces -%} +interface {{ iface }} +no ip pim +! +{% endfor -%} +{% for iface in pim.ifaces -%} +interface {{ iface }} +{% if pim.ifaces[iface].hello -%} +ip pim hello {{ pim.ifaces[iface].hello }} +{% endif -%} +ip pim +! +{% endfor -%} +{% for rp_addr in pim.rp -%} +{% for group in pim.rp[rp_addr] -%} +ip pim rp {{ rp_addr }} {{ group }} +{% endfor -%} +{% endfor -%} +{% if pim.rp_keep_alive -%} +ip pim rp keep-alive-timer {{ pim.rp_keep_alive }} +{% endif -%} +! +""" + +def get_config(): + conf = Config() + pim_conf = { + 'pim_conf' : False, + 'old_pim' : { + 'ifaces' : {}, + 'rp' : {} + }, + 'pim' : { + 'ifaces' : {}, + 'rp' : {} + } + } + if not (conf.exists('protocols pim') or conf.exists_effective('protocols pim')): + return None + + if conf.exists('protocols pim'): + pim_conf['pim_conf'] = True + + conf.set_level('protocols pim') + + # Get interfaces + for iface in conf.list_effective_nodes('interface'): + pim_conf['old_pim']['ifaces'].update({ + iface : { + 'hello' : conf.return_effective_value('interface {0} hello'.format(iface)) + } + }) + + for iface in conf.list_nodes('interface'): + pim_conf['pim']['ifaces'].update({ + iface : { + 'hello' : conf.return_value('interface {0} hello'.format(iface)) + } + }) + + conf.set_level('protocols pim rp') + + # Get RPs addresses + for rp_addr in conf.list_effective_nodes('address'): + pim_conf['old_pim']['rp'][rp_addr] = conf.return_effective_values('address {0} group'.format(rp_addr)) + + for rp_addr in conf.list_nodes('address'): + pim_conf['pim']['rp'][rp_addr] = conf.return_values('address {0} group'.format(rp_addr)) + + # Get RP keep-alive-timer + if conf.exists_effective('rp keep-alive-timer'): + pim_conf['old_pim']['rp_keep_alive'] = conf.return_effective_value('rp keep-alive-timer') + if conf.exists('rp keep-alive-timer'): + pim_conf['pim']['rp_keep_alive'] = conf.return_value('rp keep-alive-timer') + + return pim_conf + +def verify(pim): + if pim is None: + return None + + if pim['pim_conf']: + # Check interfaces + if not pim['pim']['ifaces']: + raise ConfigError(f"PIM require defined interfaces!") + + if not pim['pim']['rp']: + raise ConfigError(f"RP address required") + + # Check unique multicast groups + uniq_groups = [] + for rp_addr in pim['pim']['rp']: + if not pim['pim']['rp'][rp_addr]: + raise ConfigError(f"Group should be specified for RP " + rp_addr) + for group in pim['pim']['rp'][rp_addr]: + if (group in uniq_groups): + raise ConfigError(f"Group range " + group + " specified cannot exact match another") + + # Check, is this multicast group + gr_addr = group.split('/') + if IPv4Address(gr_addr[0]) < IPv4Address('224.0.0.0'): + raise ConfigError(group + " not a multicast group") + + uniq_groups.extend(pim['pim']['rp'][rp_addr]) + +def generate(pim): + if pim is None: + return None + + tmpl = jinja2.Template(config_tmpl) + config_text = tmpl.render(pim) + with open(config_file, 'w') as f: + f.write(config_text) + + return None + +def apply(pim): + if pim is None: + return None + + if os.path.exists(config_file): + os.system("sudo vtysh -d pimd -f " + config_file) + os.remove(config_file) + + return None + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + sys.exit(1) |