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#!/usr/bin/env python3
#
# Copyright VyOS maintainers and contributors <maintainers@vyos.io>
#
# 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 typing
from tabulate import tabulate
from vyos.vpp import VPPControl
from vyos.configquery import ConfigTreeQuery
import vyos.opmode
class VPPShow:
def __init__(self):
self.config = ConfigTreeQuery()
self.vpp = VPPControl()
# -----------------------------
# IPFIX Interfaces
# -----------------------------
def _get_ipfix_interfaces_raw(self) -> typing.List[dict]:
interfaces = self.vpp.api.flowprobe_interface_dump()
index_map = {
i.sw_if_index: i.interface_name for i in self.vpp.api.sw_interface_dump()
}
return [
{
'interface': index_map.get(e.sw_if_index, f'if{e.sw_if_index}'),
'sw_if_index': e.sw_if_index,
'which': e.which.name.replace('FLOWPROBE_WHICH_', '').lower(),
'direction': e.direction.name.replace(
'FLOWPROBE_DIRECTION_', ''
).lower(),
}
for e in interfaces
]
def _show_ipfix_interfaces_formatted(self, data: typing.List[dict]) -> str:
if not data:
return 'No flowprobe interfaces configured.'
table_data = [
{
'Interface': d['interface'],
'VppIfIndex': d['sw_if_index'],
'Flow-variant': d['which'],
'Direction': d['direction'],
}
for d in data
]
return tabulate(table_data, headers='keys', tablefmt='simple')
def ipfix_interfaces(self, raw: bool):
base = ['vpp', 'ipfix', 'interface']
if not self.config.exists(base):
raise vyos.opmode.UnconfiguredSubsystem(
'vpp ipfix interface is not configured'
)
data = self._get_ipfix_interfaces_raw()
return data if raw else self._show_ipfix_interfaces_formatted(data)
# -----------------------------
# IPFIX Collectors
# -----------------------------
def _get_ipfix_collectors_raw(self) -> typing.List[dict]:
_, collectors = self.vpp.api.ipfix_all_exporter_get()
return [
{
'collector_address': str(c.collector_address),
'collector_port': c.collector_port,
'src_address': str(c.src_address),
'vrf_id': c.vrf_id,
'path_mtu': c.path_mtu,
'template_interval': c.template_interval,
'udp_checksum': bool(c.udp_checksum),
}
for c in collectors
]
def _show_ipfix_collectors_formatted(self, data: typing.List[dict]) -> str:
if not data:
return 'No IPFIX collectors configured.'
table_data = [
{
'Collector': f"{d['collector_address']}:{d['collector_port']}",
'Source': d['src_address'],
'VRF': d['vrf_id'],
'MTU': d['path_mtu'],
'Template Intvl': d['template_interval'],
'UDP Cksum': 'on' if d['udp_checksum'] else 'off',
}
for d in data
]
return tabulate(table_data, headers='keys', tablefmt='simple')
def ipfix_collectors(self, raw: bool):
base = ['vpp', 'ipfix', 'collector']
if not self.config.exists(base):
raise vyos.opmode.UnconfiguredSubsystem(
'vpp ipfix collector is not configured'
)
data = self._get_ipfix_collectors_raw()
return data if raw else self._show_ipfix_collectors_formatted(data)
# -----------------------------
# IPFIX table
# -----------------------------
def _get_ipfix_table_raw(self):
# VPP does not have API call to get this data
data = self.vpp.cli_cmd('show flowprobe table')
return [data.reply]
def _show_ipfix_table_formatted(self) -> str:
data = self.vpp.cli_cmd('show flowprobe table')
return data.reply
def ipfix_table(self, raw: bool):
base = ['vpp', 'ipfix', 'collector']
if not self.config.exists(base):
raise vyos.opmode.UnconfiguredSubsystem(
'vpp ipfix collector is not configured'
)
data = self._get_ipfix_table_raw()
return data if raw else self._show_ipfix_table_formatted()
# -----------------------------
# VyOS IPFIX op-mode entries
# -----------------------------
def show_ipfix_interfaces(raw: bool):
return VPPShow().ipfix_interfaces(raw)
def show_ipfix_collectors(raw: bool):
return VPPShow().ipfix_collectors(raw)
def show_ipfix_table(raw: bool):
return VPPShow().ipfix_table(raw)
if __name__ == '__main__':
try:
res = vyos.opmode.run(sys.modules[__name__])
if res:
print(res)
except (ValueError, vyos.opmode.Error) as e:
print(e)
sys.exit(1)
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