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authorChristian Poessinger <christian@poessinger.com>2019-10-13 12:40:54 +0200
committerChristian Poessinger <christian@poessinger.com>2019-10-13 12:41:31 +0200
commitfe7279454c86a2947b23fb0d769483b7fe2a3cc3 (patch)
treead9e398b576d27f1364a4e86d3a9057372823f06 /src/conf_mode/interfaces-loopback.py
parent67ca26dc6f6e548dfd0a1bc787aa039d96450b97 (diff)
downloadvyos-1x-fe7279454c86a2947b23fb0d769483b7fe2a3cc3.tar.gz
vyos-1x-fe7279454c86a2947b23fb0d769483b7fe2a3cc3.zip
Sync XML interface description source file pattern and conf script name
renamed: interface-bonding.py -> interfaces-bonding.py renamed: interface-bridge.py -> interfaces-bridge.py renamed: interface-dummy.py -> interfaces-dummy.py renamed: interface-ethernet.py -> interfaces-ethernet.py renamed: interface-loopback.py -> interfaces-loopback.py renamed: interface-openvpn.py -> interfaces-openvpn.py renamed: interface-vxlan.py -> interfaces-vxlan.py renamed: interface-wireguard.py -> interfaces-wireguard.py
Diffstat (limited to 'src/conf_mode/interfaces-loopback.py')
-rwxr-xr-xsrc/conf_mode/interfaces-loopback.py100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/conf_mode/interfaces-loopback.py b/src/conf_mode/interfaces-loopback.py
new file mode 100755
index 000000000..10722d137
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+++ b/src/conf_mode/interfaces-loopback.py
@@ -0,0 +1,100 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019 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 sys import exit
+from copy import deepcopy
+
+from vyos.ifconfig import LoopbackIf
+from vyos.configdict import list_diff
+from vyos.config import Config
+from vyos import ConfigError
+
+default_config_data = {
+ 'address': [],
+ 'address_remove': [],
+ 'deleted': False,
+ 'description': '',
+}
+
+
+def get_config():
+ loopback = deepcopy(default_config_data)
+ conf = Config()
+
+ # determine tagNode instance
+ try:
+ loopback['intf'] = os.environ['VYOS_TAGNODE_VALUE']
+ except KeyError as E:
+ print("Interface not specified")
+
+ # Check if interface has been removed
+ if not conf.exists('interfaces loopback ' + loopback['intf']):
+ loopback['deleted'] = True
+
+ # set new configuration level
+ conf.set_level('interfaces loopback ' + loopback['intf'])
+
+ # retrieve configured interface addresses
+ if conf.exists('address'):
+ loopback['address'] = conf.return_values('address')
+
+ # retrieve interface description
+ if conf.exists('description'):
+ loopback['description'] = conf.return_value('description')
+
+ # Determine interface addresses (currently effective) - to determine which
+ # address is no longer valid and needs to be removed from the interface
+ eff_addr = conf.return_effective_values('address')
+ act_addr = conf.return_values('address')
+ loopback['address_remove'] = list_diff(eff_addr, act_addr)
+
+ return loopback
+
+def verify(loopback):
+ return None
+
+def generate(loopback):
+ return None
+
+def apply(loopback):
+ l = LoopbackIf(loopback['intf'])
+ if loopback['deleted']:
+ l.remove()
+ else:
+ # update interface description used e.g. within SNMP
+ l.set_alias(loopback['description'])
+
+ # Configure interface address(es)
+ # - not longer required addresses get removed first
+ # - newly addresses will be added second
+ for addr in loopback['address_remove']:
+ l.del_addr(addr)
+ for addr in loopback['address']:
+ l.add_addr(addr)
+
+ return None
+
+if __name__ == '__main__':
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ exit(1)