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authorChristian Breunig <christian@breunig.cc>2023-01-24 07:57:45 +0100
committerGitHub <noreply@github.com>2023-01-24 07:57:45 +0100
commitd27a6dbd1cf9b84504c1d83acf12fd667663988a (patch)
treed70c55ef6818414f7264833f586924585ac7f8dd
parent6968166f19fb5fa89e8465b7edc152268a3aa799 (diff)
parentaac0a47b6f4556c96744ce8a73c14819494a7cf7 (diff)
downloadvyos-1x-d27a6dbd1cf9b84504c1d83acf12fd667663988a.tar.gz
vyos-1x-d27a6dbd1cf9b84504c1d83acf12fd667663988a.zip
Merge pull request #1766 from erkin/igmp
igmp-proxy: T4912: Rewrite show IGMP proxy commands in the new op-mode format
-rw-r--r--op-mode-definitions/show-ip-multicast.xml.in8
-rwxr-xr-xsrc/op_mode/igmp-proxy.py99
-rwxr-xr-xsrc/op_mode/show_igmpproxy.py241
3 files changed, 100 insertions, 248 deletions
diff --git a/op-mode-definitions/show-ip-multicast.xml.in b/op-mode-definitions/show-ip-multicast.xml.in
index 80d83b424..605d61e8d 100644
--- a/op-mode-definitions/show-ip-multicast.xml.in
+++ b/op-mode-definitions/show-ip-multicast.xml.in
@@ -13,13 +13,7 @@
<properties>
<help>Show multicast interfaces</help>
</properties>
- <command>if ps -C igmpproxy &amp;&gt;/dev/null; then ${vyos_op_scripts_dir}/show_igmpproxy.py --interface; else echo IGMP proxy not configured; fi</command>
- </leafNode>
- <leafNode name="mfc">
- <properties>
- <help>Show multicast fowarding cache</help>
- </properties>
- <command>if ps -C igmpproxy &amp;&gt;/dev/null; then ${vyos_op_scripts_dir}/show_igmpproxy.py --mfc; else echo IGMP proxy not configured; fi</command>
+ <command>${vyos_op_scripts_dir}/igmp-proxy.py show_interface</command>
</leafNode>
<leafNode name="summary">
<properties>
diff --git a/src/op_mode/igmp-proxy.py b/src/op_mode/igmp-proxy.py
new file mode 100755
index 000000000..0086c9aa6
--- /dev/null
+++ b/src/op_mode/igmp-proxy.py
@@ -0,0 +1,99 @@
+#!/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/>.
+
+# File: show_igmpproxy.py
+# Purpose:
+# Display istatistics from IPv4 IGMP proxy.
+# Used by the "run show ip multicast" command tree.
+
+import ipaddress
+import json
+import socket
+import sys
+import tabulate
+
+import vyos.config
+import vyos.opmode
+
+from vyos.util import bytes_to_human, print_error
+
+def _is_configured():
+ """Check if IGMP proxy is configured"""
+ return vyos.config.Config().exists_effective('protocols igmp-proxy')
+
+def _is_running():
+ """Check if IGMP proxy is currently running"""
+ return not vyos.util.run('ps -C igmpproxy')
+
+def _kernel_to_ip(addr):
+ """
+ Convert any given address from Linux kernel to a proper, IPv4 address
+ using the correct host byte order.
+ """
+ # Convert from hex 'FE000A0A' to decimal '4261415434'
+ addr = int(addr, 16)
+ # Kernel ABI _always_ uses network byte order.
+ addr = socket.ntohl(addr)
+ return str(ipaddress.IPv4Address(addr))
+
+def _process_mr_vif():
+ """Read rows from /proc/net/ip_mr_vif into dicts."""
+ result = []
+ with open('/proc/net/ip_mr_vif', 'r') as f:
+ next(f)
+ for line in f:
+ result.append({
+ 'Interface': line.split()[1],
+ 'PktsIn' : int(line.split()[3]),
+ 'PktsOut' : int(line.split()[5]),
+ 'BytesIn' : int(line.split()[2]),
+ 'BytesOut' : int(line.split()[4]),
+ 'Local' : _kernel_to_ip(line.split()[7]),
+ })
+ return result
+
+def show_interface(raw: bool):
+ if data := _process_mr_vif():
+ if raw:
+ # Make the interface name the key for each row.
+ table = {}
+ for v in data:
+ table[v.pop('Interface')] = v
+ return json.loads(json.dumps(table))
+ # Make byte values human-readable for the table.
+ arr = []
+ for x in data:
+ arr.append({k: bytes_to_human(v) if k.startswith('Bytes') \
+ else v for k, v in x.items()})
+ return tabulate.tabulate(arr, headers='keys')
+
+
+if not _is_configured():
+ print_error('IGMP proxy is not configured.')
+ sys.exit(0)
+if not _is_running():
+ print_error('IGMP proxy is not running.')
+ sys.exit(0)
+
+
+if __name__ == "__main__":
+ try:
+ res = vyos.opmode.run(sys.modules[__name__])
+ if res:
+ print(res)
+ except (ValueError, vyos.opmode.Error) as e:
+ print_error(e)
+ sys.exit(1)
diff --git a/src/op_mode/show_igmpproxy.py b/src/op_mode/show_igmpproxy.py
deleted file mode 100755
index 4714e494b..000000000
--- a/src/op_mode/show_igmpproxy.py
+++ /dev/null
@@ -1,241 +0,0 @@
-#!/usr/bin/env python3
-#
-# Copyright (C) 2018 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/>.
-
-# File: show_igmpproxy.py
-# Purpose:
-# Display istatistics from IPv4 IGMP proxy.
-# Used by the "run show ip multicast" command tree.
-
-import sys
-import jinja2
-import argparse
-import ipaddress
-import socket
-
-import vyos.config
-
-# Output Template for "show ip multicast interface" command
-#
-# Example:
-# Interface BytesIn PktsIn BytesOut PktsOut Local
-# eth0 0.0b 0 0.0b 0 xxx.xxx.xxx.65
-# eth1 0.0b 0 0.0b 0 xxx.xxx.xx.201
-# eth0.3 0.0b 0 0.0b 0 xxx.xxx.x.7
-# tun1 0.0b 0 0.0b 0 xxx.xxx.xxx.2
-vif_out_tmpl = """
-{% for r in data %}
-{{ "%-10s"|format(r.interface) }} {{ "%-12s"|format(r.bytes_in) }} {{ "%-12s"|format(r.pkts_in) }} {{ "%-12s"|format(r.bytes_out) }} {{ "%-12s"|format(r.pkts_out) }} {{ "%-15s"|format(r.loc) }}
-{% endfor %}
-"""
-
-# Output Template for "show ip multicast mfc" command
-#
-# Example:
-# Group Origin In Out Pkts Bytes Wrong
-# xxx.xxx.xxx.250 xxx.xx.xxx.75 --
-# xxx.xxx.xx.124 xx.xxx.xxx.26 --
-mfc_out_tmpl = """
-{% for r in data %}
-{{ "%-15s"|format(r.group) }} {{ "%-15s"|format(r.origin) }} {{ "%-12s"|format(r.pkts) }} {{ "%-12s"|format(r.bytes) }} {{ "%-12s"|format(r.wrong) }} {{ "%-10s"|format(r.iif) }} {{ "%-20s"|format(r.oifs|join(', ')) }}
-{% endfor %}
-"""
-
-parser = argparse.ArgumentParser()
-parser.add_argument("--interface", action="store_true", help="Interface Statistics")
-parser.add_argument("--mfc", action="store_true", help="Multicast Forwarding Cache")
-
-def byte_string(size):
- # convert size to integer
- size = int(size)
-
- # One Terrabyte
- s_TB = 1024 * 1024 * 1024 * 1024
- # One Gigabyte
- s_GB = 1024 * 1024 * 1024
- # One Megabyte
- s_MB = 1024 * 1024
- # One Kilobyte
- s_KB = 1024
- # One Byte
- s_B = 1
-
- if size > s_TB:
- return str(round((size/s_TB), 2)) + 'TB'
- elif size > s_GB:
- return str(round((size/s_GB), 2)) + 'GB'
- elif size > s_MB:
- return str(round((size/s_MB), 2)) + 'MB'
- elif size > s_KB:
- return str(round((size/s_KB), 2)) + 'KB'
- else:
- return str(round((size/s_B), 2)) + 'b'
-
- return None
-
-def kernel2ip(addr):
- """
- Convert any given addr from Linux Kernel to a proper, IPv4 address
- using the correct host byte order.
- """
-
- # Convert from hex 'FE000A0A' to decimal '4261415434'
- addr = int(addr, 16)
- # Kernel ABI _always_ uses network byteorder
- addr = socket.ntohl(addr)
-
- return ipaddress.IPv4Address( addr )
-
-def do_mr_vif():
- """
- Read contents of file /proc/net/ip_mr_vif and print a more human
- friendly version to the command line. IPv4 addresses present as
- 32bit integers in hex format are converted to IPv4 notation, too.
- """
-
- with open('/proc/net/ip_mr_vif', 'r') as f:
- lines = len(f.readlines())
- if lines < 2:
- return None
-
- result = {
- 'data': []
- }
-
- # Build up table format string
- table_format = {
- 'interface': 'Interface',
- 'pkts_in' : 'PktsIn',
- 'pkts_out' : 'PktsOut',
- 'bytes_in' : 'BytesIn',
- 'bytes_out': 'BytesOut',
- 'loc' : 'Local'
- }
- result['data'].append(table_format)
-
- # read and parse information from /proc filesystema
- with open('/proc/net/ip_mr_vif', 'r') as f:
- header_line = next(f)
- for line in f:
- data = {
- 'interface': line.split()[1],
- 'pkts_in' : line.split()[3],
- 'pkts_out' : line.split()[5],
-
- # convert raw byte number to something more human readable
- # Note: could be replaced by Python3 hurry.filesize module
- 'bytes_in' : byte_string( line.split()[2] ),
- 'bytes_out': byte_string( line.split()[4] ),
-
- # convert IP address from hex 'FE000A0A' to decimal '4261415434'
- 'loc' : kernel2ip( line.split()[7] ),
- }
- result['data'].append(data)
-
- return result
-
-def do_mr_mfc():
- """
- Read contents of file /proc/net/ip_mr_cache and print a more human
- friendly version to the command line. IPv4 addresses present as
- 32bit integers in hex format are converted to IPv4 notation, too.
- """
-
- with open('/proc/net/ip_mr_cache', 'r') as f:
- lines = len(f.readlines())
- if lines < 2:
- return None
-
- # We need this to convert from interface index to a real interface name
- # Thus we also skip the format identifier on list index 0
- vif = do_mr_vif()['data'][1:]
-
- result = {
- 'data': []
- }
-
- # Build up table format string
- table_format = {
- 'group' : 'Group',
- 'origin': 'Origin',
- 'iif' : 'In',
- 'oifs' : ['Out'],
- 'pkts' : 'Pkts',
- 'bytes' : 'Bytes',
- 'wrong' : 'Wrong'
- }
- result['data'].append(table_format)
-
- # read and parse information from /proc filesystem
- with open('/proc/net/ip_mr_cache', 'r') as f:
- header_line = next(f)
- for line in f:
- data = {
- # convert IP address from hex 'FE000A0A' to decimal '4261415434'
- 'group' : kernel2ip( line.split()[0] ),
- 'origin': kernel2ip( line.split()[1] ),
-
- 'iif' : '--',
- 'pkts' : '',
- 'bytes' : '',
- 'wrong' : '',
- 'oifs' : []
- }
-
- iif = int( line.split()[2] )
- if not ((iif == -1) or (iif == 65535)):
- data['pkts'] = line.split()[3]
- data['bytes'] = byte_string( line.split()[4] )
- data['wrong'] = line.split()[5]
-
- # convert index to real interface name
- data['iif'] = vif[iif]['interface']
-
- # convert each output interface index to a real interface name
- for oif in line.split()[6:]:
- idx = int( oif.split(':')[0] )
- data['oifs'].append( vif[idx]['interface'] )
-
- result['data'].append(data)
-
- return result
-
-if __name__ == '__main__':
- args = parser.parse_args()
-
- # Do nothing if service is not configured
- c = vyos.config.Config()
- if not c.exists_effective('protocols igmp-proxy'):
- print("IGMP proxy is not configured")
- sys.exit(0)
-
- if args.interface:
- data = do_mr_vif()
- if data:
- tmpl = jinja2.Template(vif_out_tmpl)
- print(tmpl.render(data))
-
- sys.exit(0)
- elif args.mfc:
- data = do_mr_mfc()
- if data:
- tmpl = jinja2.Template(mfc_out_tmpl)
- print(tmpl.render(data))
-
- sys.exit(0)
- else:
- parser.print_help()
- sys.exit(1)
-