forked from tfgrid/zosbuilder
Jan De Landtsheer
ed98e24503
- Change from colon to space separation to avoid URL parsing issues - Update sources.conf format: TYPE NAME URL VERSION BUILD_FUNCTION [EXTRA] - Implement awk-based parsing for reliable field extraction - Fix firmware package list (remove unavailable linux-firmware-marvell)
63 lines
1.6 KiB
Python
Executable File
63 lines
1.6 KiB
Python
Executable File
#! /usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0
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#
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# This is simple script to process JSON output from ip route
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# command and format it. Based on earlier shell script version.
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"""Script to parse ip route output into more readable text."""
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import sys
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import json
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import getopt
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import subprocess
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def usage():
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'''Print usage and exit'''
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print("Usage: {} [tablenr [raw ip args...]]".format(sys.argv[0]))
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sys.exit(64)
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def main():
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'''Process the arguments'''
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family = 'inet'
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try:
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opts, args = getopt.getopt(sys.argv[1:], "h46f:", ["help", "family="])
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except getopt.GetoptError as err:
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print(err)
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usage()
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for opt, arg in opts:
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if opt in ["-h", "--help"]:
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usage()
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elif opt == '-6':
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family = 'inet6'
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elif opt == "-4":
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family = 'inet'
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elif opt in ["-f", "--family"]:
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family = arg
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else:
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assert False, "unhandled option"
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if not args:
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args = ['0']
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cmd = ['ip', '-f', family, '-j', 'route', 'list', 'table'] + args
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process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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tbl = json.load(process.stdout)
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if family == 'inet':
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fmt = '{:15} {:15} {:15} {:8} {:8}{:<16} {}'
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else:
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fmt = '{:32} {:32} {:32} {:8} {:8}{:<16} {}'
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# ip route json keys
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keys = ['dst', 'gateway', 'prefsrc', 'protocol', 'scope', 'dev', 'table']
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print(fmt.format(*map(lambda x: x.capitalize(), keys)))
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for record in tbl:
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fields = [record[k] if k in record else '' for k in keys]
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print(fmt.format(*fields))
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if __name__ == "__main__":
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main()
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