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authorDmitriyEshenko <dmitriy.eshenko@vyos.io>2020-04-21 20:00:53 +0000
committerDmitriyEshenko <dmitriy.eshenko@vyos.io>2020-04-21 20:16:31 +0000
commit022631524da4ccd03a22085fce88f04154ff5a2e (patch)
tree674e2e0d9d227b06e6c428403efae923a8ee6ad0 /src/conf_mode/protocols_static_multicast.py
parent3dfcc251b929d253867714694cac58158eecc036 (diff)
downloadvyos-1x-022631524da4ccd03a22085fce88f04154ff5a2e.tar.gz
vyos-1x-022631524da4ccd03a22085fce88f04154ff5a2e.zip
mroute: T2364: Implement CLI commands for mroute
Diffstat (limited to 'src/conf_mode/protocols_static_multicast.py')
-rwxr-xr-xsrc/conf_mode/protocols_static_multicast.py115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/conf_mode/protocols_static_multicast.py b/src/conf_mode/protocols_static_multicast.py
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+++ b/src/conf_mode/protocols_static_multicast.py
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+#!/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)