diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:18:53 +0000 |
commit | a0e0018c9a7ef5ce7f6d2c3ae16aecbbd16a8f67 (patch) | |
tree | 8feaf1a1932871b139b3b30be4c09c66489918be /ip/routel | |
parent | Initial commit. (diff) | |
download | iproute2-upstream.tar.xz iproute2-upstream.zip |
Adding upstream version 6.1.0.upstream/6.1.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rwxr-xr-x | ip/routel | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/ip/routel b/ip/routel new file mode 100755 index 0000000..09a9012 --- /dev/null +++ b/ip/routel @@ -0,0 +1,62 @@ +#! /usr/bin/env python3 +# SPDX-License-Identifier: GPL-2.0 +# +# This is simple script to process JSON output from ip route +# command and format it. Based on earlier shell script version. +"""Script to parse ip route output into more readable text.""" + +import sys +import json +import getopt +import subprocess + + +def usage(): + '''Print usage and exit''' + print("Usage: {} [tablenr [raw ip args...]]".format(sys.argv[0])) + sys.exit(64) + + +def main(): + '''Process the arguments''' + family = 'inet' + try: + opts, args = getopt.getopt(sys.argv[1:], "h46f:", ["help", "family="]) + except getopt.GetoptError as err: + print(err) + usage() + + for opt, arg in opts: + if opt in ["-h", "--help"]: + usage() + elif opt == '-6': + family = 'inet6' + elif opt == "-4": + family = 'inet' + elif opt in ["-f", "--family"]: + family = arg + else: + assert False, "unhandled option" + + if not args: + args = ['0'] + + cmd = ['ip', '-f', family, '-j', 'route', 'list', 'table'] + args + process = subprocess.Popen(cmd, stdout=subprocess.PIPE) + tbl = json.load(process.stdout) + if family == 'inet': + fmt = '{:15} {:15} {:15} {:8} {:8}{:<16} {}' + else: + fmt = '{:32} {:32} {:32} {:8} {:8}{:<16} {}' + + # ip route json keys + keys = ['dst', 'gateway', 'prefsrc', 'protocol', 'scope', 'dev', 'table'] + print(fmt.format(*map(lambda x: x.capitalize(), keys))) + + for record in tbl: + fields = [record[k] if k in record else '' for k in keys] + print(fmt.format(*fields)) + + +if __name__ == "__main__": + main() |