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-rw-r--r--data/templates/frr-mcast/static_mcast.frr.tmpl20
-rw-r--r--interface-definitions/protocols-multicast.xml.in95
-rwxr-xr-xsrc/conf_mode/protocols_static_multicast.py115
3 files changed, 230 insertions, 0 deletions
diff --git a/data/templates/frr-mcast/static_mcast.frr.tmpl b/data/templates/frr-mcast/static_mcast.frr.tmpl
new file mode 100644
index 000000000..86d619ab0
--- /dev/null
+++ b/data/templates/frr-mcast/static_mcast.frr.tmpl
@@ -0,0 +1,20 @@
+!
+{% for route_gr in old_mroute -%}
+{% for nh in old_mroute[route_gr] -%}
+{% if old_mroute[route_gr][nh] -%}
+no ip mroute {{ route_gr }} {{ nh }} {{ old_mroute[route_gr][nh] }}
+{% else -%}
+no ip mroute {{ route_gr }} {{ nh }}
+{% endif -%}
+{% endfor -%}
+{% endfor -%}
+{% for route_gr in mroute -%}
+{% for nh in mroute[route_gr] -%}
+{% if mroute[route_gr][nh] -%}
+ip mroute {{ route_gr }} {{ nh }} {{ mroute[route_gr][nh] }}
+{% else -%}
+ip mroute {{ route_gr }} {{ nh }}
+{% endif -%}
+{% endfor -%}
+{% endfor -%}
+!
diff --git a/interface-definitions/protocols-multicast.xml.in b/interface-definitions/protocols-multicast.xml.in
new file mode 100644
index 000000000..a06f2b287
--- /dev/null
+++ b/interface-definitions/protocols-multicast.xml.in
@@ -0,0 +1,95 @@
+<?xml version="1.0"?>
+<!-- Multicast static routing configuration -->
+<interfaceDefinition>
+ <node name="protocols">
+ <children>
+ <node name="static">
+ <children>
+ <node name="multicast" owner="${vyos_conf_scripts_dir}/protocols_static_multicast.py">
+ <properties>
+ <help>Multicast static route</help>
+ </properties>
+ <children>
+ <tagNode name="route">
+ <properties>
+ <help>Configure static unicast route into MRIB for multicast RPF lookup</help>
+ <valueHelp>
+ <format>ipv4net</format>
+ <description>Network</description>
+ </valueHelp>
+ <constraint>
+ <validator name="ip-prefix"/>
+ </constraint>
+ </properties>
+ <children>
+ <tagNode name="next-hop">
+ <properties>
+ <help>Nexthop IPv4 address</help>
+ <valueHelp>
+ <format>ipv4</format>
+ <description>Nexthop IPv4 address</description>
+ </valueHelp>
+ <constraint>
+ <validator name="ipv4-address"/>
+ </constraint>
+ </properties>
+ <children>
+ <leafNode name="distance">
+ <properties>
+ <help>Distance value for this route</help>
+ <valueHelp>
+ <format>1-255</format>
+ <description>Distance for this route</description>
+ </valueHelp>
+ <constraint>
+ <validator name="numeric" argument="--range 1-255"/>
+ </constraint>
+ </properties>
+ </leafNode>
+ </children>
+ </tagNode>
+ </children>
+ </tagNode>
+ <tagNode name="interface-route">
+ <properties>
+ <help>Multicast interface based route</help>
+ <valueHelp>
+ <format>ipv4net</format>
+ <description>Network</description>
+ </valueHelp>
+ <constraint>
+ <validator name="ip-prefix"/>
+ </constraint>
+ </properties>
+ <children>
+ <tagNode name="next-hop-interface">
+ <properties>
+ <help>Next-hop interface</help>
+ <completionHelp>
+ <script>${vyos_completion_dir}/list_interfaces.py</script>
+ </completionHelp>
+ </properties>
+ <children>
+ <leafNode name="distance">
+ <properties>
+ <help>Distance value for this route</help>
+ <valueHelp>
+ <format>1-255</format>
+ <description>Distance for this route</description>
+ </valueHelp>
+ <constraint>
+ <validator name="numeric" argument="--range 1-255"/>
+ </constraint>
+ </properties>
+ </leafNode>
+ </children>
+ </tagNode>
+ </children>
+ </tagNode>
+ </children>
+ </node>
+ </children>
+ </node>
+ </children>
+ </node>
+</interfaceDefinition>
diff --git a/src/conf_mode/protocols_static_multicast.py b/src/conf_mode/protocols_static_multicast.py
new file mode 100755
index 000000000..411a130ec
--- /dev/null
+++ b/src/conf_mode/protocols_static_multicast.py
@@ -0,0 +1,115 @@
+#!/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 os
+
+from ipaddress import IPv4Address
+from sys import exit
+
+from vyos import ConfigError
+from vyos.config import Config
+from vyos.util import call
+from vyos.template import render
+
+
+config_file = r'/tmp/static_mcast.frr'
+
+# Get configuration for static multicast route
+def get_config():
+ conf = Config()
+ mroute = {
+ 'old_mroute' : {},
+ 'mroute' : {}
+ }
+
+ base_path = "protocols static multicast"
+
+ if not (conf.exists(base_path) or conf.exists_effective(base_path)):
+ return None
+
+ conf.set_level(base_path)
+
+ # Get multicast effective routes
+ for route in conf.list_effective_nodes('route'):
+ mroute['old_mroute'][route] = {}
+ for next_hop in conf.list_effective_nodes('route {0} next-hop'.format(route)):
+ mroute['old_mroute'][route].update({
+ next_hop : conf.return_value('route {0} next-hop {1} distance'.format(route, next_hop))
+ })
+
+ # Get multicast effective interface-routes
+ for route in conf.list_effective_nodes('interface-route'):
+ if not route in mroute['old_mroute']:
+ mroute['old_mroute'][route] = {}
+ for next_hop in conf.list_effective_nodes('interface-route {0} next-hop-interface'.format(route)):
+ mroute['old_mroute'][route].update({
+ next_hop : conf.return_value('interface-route {0} next-hop-interface {1} distance'.format(route, next_hop))
+ })
+
+ # Get multicast routes
+ for route in conf.list_nodes('route'):
+ mroute['mroute'][route] = {}
+ for next_hop in conf.list_nodes('route {0} next-hop'.format(route)):
+ mroute['mroute'][route].update({
+ next_hop : conf.return_value('route {0} next-hop {1} distance'.format(route, next_hop))
+ })
+
+ # Get multicast interface-routes
+ for route in conf.list_nodes('interface-route'):
+ if not route in mroute['mroute']:
+ mroute['mroute'][route] = {}
+ for next_hop in conf.list_nodes('interface-route {0} next-hop-interface'.format(route)):
+ mroute['mroute'][route].update({
+ next_hop : conf.return_value('interface-route {0} next-hop-interface {1} distance'.format(route, next_hop))
+ })
+
+ return mroute
+
+def verify(mroute):
+ if mroute is None:
+ return None
+
+ for route in mroute['mroute']:
+ route = route.split('/')
+ if IPv4Address(route[0]) < IPv4Address('224.0.0.0'):
+ raise ConfigError(route + " not a multicast network")
+
+def generate(mroute):
+ if mroute is None:
+ return None
+
+ render(config_file, 'frr-mcast/static_mcast.frr.tmpl', mroute)
+ return None
+
+def apply(mroute):
+ if mroute is None:
+ return None
+
+ if os.path.exists(config_file):
+ call("sudo vtysh -d staticd -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)
+ exit(1)