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-rwxr-xr-xsrc/op_mode/vrf.py95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/op_mode/vrf.py b/src/op_mode/vrf.py
new file mode 100755
index 000000000..e3d944d90
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+++ b/src/op_mode/vrf.py
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+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 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 json
+import jmespath
+import sys
+import typing
+
+from tabulate import tabulate
+from vyos.util import cmd
+
+import vyos.opmode
+
+
+def _get_raw_data(name=None):
+ """
+ If vrf name is not set - get all VRFs
+ If vrf name is set - get only this name data
+ If vrf name set and not found - return []
+ """
+ output = cmd('sudo ip --json --brief link show type vrf')
+ data = json.loads(output)
+ if not data:
+ return []
+ if name:
+ is_vrf_exists = True if [vrf for vrf in data if vrf.get('ifname') == name] else False
+ if is_vrf_exists:
+ output = cmd(f'sudo ip --json --brief link show dev {name}')
+ data = json.loads(output)
+ return data
+ return []
+ return data
+
+
+def _get_vrf_members(vrf: str) -> list:
+ """
+ Get list of interface VRF members
+ :param vrf: str
+ :return: list
+ """
+ output = cmd(f'sudo ip --json --brief link show master {vrf}')
+ answer = json.loads(output)
+ interfaces = []
+ for data in answer:
+ if 'ifname' in data:
+ interfaces.append(data.get('ifname'))
+ return interfaces if len(interfaces) > 0 else ['n/a']
+
+
+def _get_formatted_output(raw_data):
+ data_entries = []
+ for vrf in raw_data:
+ name = vrf.get('ifname')
+ state = vrf.get('operstate').lower()
+ hw_address = vrf.get('address')
+ flags = ','.join(vrf.get('flags')).lower()
+ members = ','.join(_get_vrf_members(name))
+ data_entries.append([name, state, hw_address, flags, members])
+
+ headers = ["Name", "State", "MAC address", "Flags", "Interfaces"]
+ output = tabulate(data_entries, headers, numalign="left")
+ return output
+
+
+def show(raw: bool, name: typing.Optional[str]):
+ vrf_data = _get_raw_data(name=name)
+ if not jmespath.search('[*].ifname', vrf_data):
+ return "VRF is not configured"
+ if raw:
+ return vrf_data
+ else:
+ return _get_formatted_output(vrf_data)
+
+
+if __name__ == "__main__":
+ try:
+ res = vyos.opmode.run(sys.modules[__name__])
+ if res:
+ print(res)
+ except ValueError as e:
+ print(e)
+ sys.exit(1)