diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/op_mode/sflow.py | 102 | ||||
| -rwxr-xr-x | src/op_mode/show_interfaces.py | 310 |
2 files changed, 102 insertions, 310 deletions
diff --git a/src/op_mode/sflow.py b/src/op_mode/sflow.py new file mode 100755 index 000000000..1ff006274 --- /dev/null +++ b/src/op_mode/sflow.py @@ -0,0 +1,102 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2023 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 dbus +import sys + +from tabulate import tabulate + +from vyos.configquery import ConfigTreeQuery +from vyos.util import cmd + +import vyos.opmode + + +def _get_raw_sflow(): + bus = dbus.SystemBus() + config = ConfigTreeQuery() + + interfaces = config.values('system sflow interface') + servers = config.list_nodes('system sflow server') + + sflow = bus.get_object('net.sflow.hsflowd', '/net/sflow/hsflowd') + sflow_telemetry = dbus.Interface( + sflow, dbus_interface='net.sflow.hsflowd.telemetry') + agent_address = sflow_telemetry.GetAgent() + samples_dropped = int(sflow_telemetry.Get('dropped_samples')) + samples_packet_sent = int(sflow_telemetry.Get('flow_samples')) + samples_counter_sent = int(sflow_telemetry.Get('counter_samples')) + datagrams_sent = int(sflow_telemetry.Get('datagrams')) + rtmetric_samples = int(sflow_telemetry.Get('rtmetric_samples')) + samples_suppressed = int(sflow_telemetry.Get('flow_samples_suppressed')) + counter_samples_suppressed = int( + sflow_telemetry.Get("counter_samples_suppressed")) + version = sflow_telemetry.GetVersion() + + sflow_dict = { + 'agent_address': agent_address, + 'sflow_interfaces': interfaces, + 'sflow_servers': servers, + 'counter_samples_sent': samples_counter_sent, + 'datagrams_sent': datagrams_sent, + 'packet_samples_dropped': samples_dropped, + 'packet_samples_sent': samples_packet_sent, + 'rtmetric_samples': rtmetric_samples, + 'flow_samples_suppressed': samples_suppressed, + 'counter_samples_suppressed': counter_samples_suppressed, + 'hsflowd_version': version + } + return sflow_dict + + +def _get_formatted_sflow(data): + table = [ + ['Agent address', f'{data.get("agent_address")}'], + ['sFlow interfaces', f'{data.get("sflow_interfaces", "n/a")}'], + ['sFlow servers', f'{data.get("sflow_servers", "n/a")}'], + ['Datagrams sent', f'{data.get("datagrams_sent")}'], + ['Packet samples sent', f'{data.get("packet_samples_sent")}'], + ['Packet samples dropped', f'{data.get("packet_samples_dropped")}'], + ['Counter samples sent', f'{data.get("counter_samples_sent")}'], + ['Flow samples suppressed', f'{data.get("flow_samples_suppressed")}'], + ['Counter samples suppressed', f'{data.get("counter_samples_suppressed")}'] + ] + + return tabulate(table) + + +def show(raw: bool): + + config = ConfigTreeQuery() + if not config.exists('system sflow'): + raise vyos.opmode.UnconfiguredSubsystem( + '"system sflow" is not configured!') + + sflow_data = _get_raw_sflow() + if raw: + return sflow_data + else: + return _get_formatted_sflow(sflow_data) + + +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) diff --git a/src/op_mode/show_interfaces.py b/src/op_mode/show_interfaces.py deleted file mode 100755 index eac068274..000000000 --- a/src/op_mode/show_interfaces.py +++ /dev/null @@ -1,310 +0,0 @@ -#!/usr/bin/env python3 - -# Copyright 2017-2021 VyOS maintainers and contributors <maintainers@vyos.io> -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library 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 -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library. If not, see <http://www.gnu.org/licenses/>. - -import os -import re -import sys -import glob -import argparse - -from vyos.ifconfig import Section -from vyos.ifconfig import Interface -from vyos.ifconfig import VRRP -from vyos.util import cmd, call - - -# interfaces = Sections.reserved() -interfaces = ['eno', 'ens', 'enp', 'enx', 'eth', 'vmnet', 'lo', 'tun', 'wan', 'pppoe'] -glob_ifnames = '/sys/class/net/({})*'.format('|'.join(interfaces)) - - -actions = {} -def register(name): - """ - Decorator to register a function into actions with a name. - `actions[name]' can be used to call the registered functions. - We wrap each function in a SIGPIPE handler as all registered functions - can be subject to a broken pipe if there are a lot of interfaces. - """ - def _register(function): - def handled_function(*args, **kwargs): - try: - function(*args, **kwargs) - except BrokenPipeError: - # Flush output to /dev/null and bail out. - os.dup2(os.open(os.devnull, os.O_WRONLY), sys.stdout.fileno()) - sys.exit(1) - actions[name] = handled_function - return handled_function - return _register - - -def filtered_interfaces(ifnames, iftypes, vif, vrrp): - """ - get all the interfaces from the OS and returns them - ifnames can be used to filter which interfaces should be considered - - ifnames: a list of interfaces names to consider, empty do not filter - return an instance of the interface class - """ - if isinstance(iftypes, list): - for iftype in iftypes: - yield from filtered_interfaces(ifnames, iftype, vif, vrrp) - - for ifname in Section.interfaces(iftypes): - # Bail out early if interface name not part of our search list - if ifnames and ifname not in ifnames: - continue - - # As we are only "reading" from the interface - we must use the - # generic base class which exposes all the data via a common API - interface = Interface(ifname, create=False, debug=False) - - # VLAN interfaces have a '.' in their name by convention - if vif and not '.' in ifname: - continue - - if vrrp: - vrrp_interfaces = VRRP.active_interfaces() - if ifname not in vrrp_interfaces: - continue - - yield interface - - -def split_text(text, used=0): - """ - take a string and attempt to split it to fit with the width of the screen - - text: the string to split - used: number of characted already used in the screen - """ - no_tty = call('tty -s') - - returned = cmd('stty size') if not no_tty else '' - if len(returned) == 2: - rows, columns = [int(_) for _ in returned] - else: - rows, columns = (40, 80) - - desc_len = columns - used - - line = '' - for word in text.split(): - if len(line) + len(word) < desc_len: - line = f'{line} {word}' - continue - if line: - yield line[1:] - else: - line = f'{line} {word}' - - yield line[1:] - - -def get_counter_val(clear, now): - """ - attempt to correct a counter if it wrapped, copied from perl - - clear: previous counter - now: the current counter - """ - # This function has to deal with both 32 and 64 bit counters - if clear == 0: - return now - - # device is using 64 bit values assume they never wrap - value = now - clear - if (now >> 32) != 0: - return value - - # The counter has rolled. If the counter has rolled - # multiple times since the clear value, then this math - # is meaningless. - if (value < 0): - value = (4294967296 - clear) + now - - return value - - -@register('help') -def usage(*args): - print(f"Usage: {sys.argv[0]} [intf=NAME|intf-type=TYPE|vif|vrrp] action=ACTION") - print(f" NAME = " + ' | '.join(Section.interfaces())) - print(f" TYPE = " + ' | '.join(Section.sections())) - print(f" ACTION = " + ' | '.join(actions)) - sys.exit(1) - - -@register('allowed') -def run_allowed(**kwarg): - sys.stdout.write(' '.join(Section.interfaces())) - - -def pppoe(ifname): - out = cmd(f'ps -C pppd -f') - if ifname in out: - return 'C' - elif ifname in [_.split('/')[-1] for _ in glob.glob('/etc/ppp/peers/pppoe*')]: - return 'D' - return '' - - -@register('show') -def run_show_intf(ifnames, iftypes, vif, vrrp): - handled = [] - for interface in filtered_interfaces(ifnames, iftypes, vif, vrrp): - handled.append(interface.ifname) - cache = interface.operational.load_counters() - - out = cmd(f'ip addr show {interface.ifname}') - out = re.sub(f'^\d+:\s+','',out) - if re.search('link/tunnel6', out): - tunnel = cmd(f'ip -6 tun show {interface.ifname}') - # tun0: ip/ipv6 remote ::2 local ::1 encaplimit 4 hoplimit 64 tclass inherit flowlabel inherit (flowinfo 0x00000000) - tunnel = re.sub('.*encap', 'encap', tunnel) - out = re.sub('(\n\s+)(link/tunnel6)', f'\g<1>{tunnel}\g<1>\g<2>', out) - - print(out) - - timestamp = int(cache.get('timestamp', 0)) - if timestamp: - when = interface.operational.strtime(timestamp) - print(f' Last clear: {when}') - - description = interface.get_alias() - if description: - print(f' Description: {description}') - - print() - print(interface.operational.formated_stats()) - - for ifname in ifnames: - if ifname not in handled and ifname.startswith('pppoe'): - state = pppoe(ifname) - if not state: - continue - string = { - 'C': 'Coming up', - 'D': 'Link down', - }[state] - print('{}: {}'.format(ifname, string)) - - -@register('show-brief') -def run_show_intf_brief(ifnames, iftypes, vif, vrrp): - format1 = '%-16s %-33s %-4s %s' - format2 = '%-16s %s' - - print('Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down') - print(format1 % ("Interface", "IP Address", "S/L", "Description")) - print(format1 % ("---------", "----------", "---", "-----------")) - - handled = [] - for interface in filtered_interfaces(ifnames, iftypes, vif, vrrp): - handled.append(interface.ifname) - - oper_state = interface.operational.get_state() - admin_state = interface.get_admin_state() - - intf = [interface.ifname,] - - oper = ['u', ] if oper_state in ('up', 'unknown') else ['D', ] - admin = ['u', ] if admin_state in ('up', 'unknown') else ['A', ] - addrs = [_ for _ in interface.get_addr() if not _.startswith('fe80::')] or ['-', ] - descs = list(split_text(interface.get_alias(),0)) - - while intf or oper or admin or addrs or descs: - i = intf.pop(0) if intf else '' - a = addrs.pop(0) if addrs else '' - d = descs.pop(0) if descs else '' - s = [admin.pop(0)] if admin else [] - l = [oper.pop(0)] if oper else [] - if len(a) < 33: - print(format1 % (i, a, '/'.join(s+l), d)) - else: - print(format2 % (i, a)) - print(format1 % ('', '', '/'.join(s+l), d)) - - for ifname in ifnames: - if ifname not in handled and ifname.startswith('pppoe'): - state = pppoe(ifname) - if not state: - continue - string = { - 'C': 'u/D', - 'D': 'A/D', - }[state] - print(format1 % (ifname, '', string, '')) - - -@register('show-count') -def run_show_counters(ifnames, iftypes, vif, vrrp): - formating = '%-12s %10s %10s %10s %10s' - print(formating % ('Interface', 'Rx Packets', 'Rx Bytes', 'Tx Packets', 'Tx Bytes')) - - for interface in filtered_interfaces(ifnames, iftypes, vif, vrrp): - oper = interface.operational.get_state() - - if oper not in ('up','unknown'): - continue - - stats = interface.operational.get_stats() - cache = interface.operational.load_counters() - print(formating % ( - interface.ifname, - get_counter_val(cache['rx_packets'], stats['rx_packets']), - get_counter_val(cache['rx_bytes'], stats['rx_bytes']), - get_counter_val(cache['tx_packets'], stats['tx_packets']), - get_counter_val(cache['tx_bytes'], stats['tx_bytes']), - )) - - -@register('clear') -def run_clear_intf(ifnames, iftypes, vif, vrrp): - for interface in filtered_interfaces(ifnames, iftypes, vif, vrrp): - print(f'Clearing {interface.ifname}') - interface.operational.clear_counters() - - -@register('reset') -def run_reset_intf(ifnames, iftypes, vif, vrrp): - for interface in filtered_interfaces(ifnames, iftypes, vif, vrrp): - interface.operational.reset_counters() - - -if __name__ == '__main__': - parser = argparse.ArgumentParser(add_help=False, description='Show interface information') - parser.add_argument('--intf', action="store", type=str, default='', help='only show the specified interface(s)') - parser.add_argument('--intf-type', action="store", type=str, default='', help='only show the specified interface type') - parser.add_argument('--action', action="store", type=str, default='show', help='action to perform') - parser.add_argument('--vif', action='store_true', default=False, help="only show vif interfaces") - parser.add_argument('--vrrp', action='store_true', default=False, help="only show vrrp interfaces") - parser.add_argument('--help', action='store_true', default=False, help="show help") - - args = parser.parse_args() - - def missing(*args): - print('Invalid action [{args.action}]') - usage() - - actions.get(args.action, missing)( - [_ for _ in args.intf.split(' ') if _], - [_ for _ in args.intf_type.split(' ') if _], - args.vif, - args.vrrp - ) |