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DHCPD Leasezähler af Python 3 aktualisiert

master
Thomas Hooge 2023-12-06 08:13:01 +01:00
parent 1844652e4d
commit baf76b3517
1 changed files with 33 additions and 13 deletions
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46
dhcpd-leases.py
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@ -1,14 +1,33 @@
#!/usr/bin/env python #!/usr/bin/env python3
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
"""
Zähle aktive DHCP-Leases
# Vergleiche Vergleiche dazu:
# dhcp-lease-list --lease /var/lib/dhcp/dhcpd.leases dhcp-lease-list --lease /var/lib/dhcp/dhcpd.leases
Änderungsprotokoll
==================
Version Datum Änderung(en) von
-------- ----------- ------------------------------------------------------ ----
1.0 ?
1.1 2017-01-29 tho
2.0 2023-12-06 Umstellung auf Python 3 tho
"""
import sys import sys
import getopt import getopt
import re import re
import datetime import datetime
__author__ = "Thomas Hooge"
__copyright__ = "Public Domain"
__version__ = "2.0"
__email__ = "thomas@hoogi.de"
__status__ = "Development"
def count_dhcp_leases(): def count_dhcp_leases():
regex_leaseblock = re.compile(r"lease (?P<ip>\d+\.\d+\.\d+\.\d+) {(?P<config>[\s\S]+?)\n}") regex_leaseblock = re.compile(r"lease (?P<ip>\d+\.\d+\.\d+\.\d+) {(?P<config>[\s\S]+?)\n}")
regex_properties = re.compile(r"\s+(?P<key>\S+) (?P<value>[\s\S]+?);") regex_properties = re.compile(r"\s+(?P<key>\S+) (?P<value>[\s\S]+?);")
@ -26,12 +45,13 @@ def count_dhcp_leases():
return leases return leases
def usage(): def usage():
print "DHCP leases counter" print("DHCP leases counter")
print "Version 1.1" print("Version {}".format(__version__))
print print()
print "Options" print("Options")
print " -n numeric output only" print(" -h show this help")
print print(" -n numeric output only")
print()
if __name__ == "__main__": if __name__ == "__main__":
@ -39,8 +59,8 @@ if __name__ == "__main__":
try: try:
opts, args = getopt.gnu_getopt(sys.argv[1:], "nh", ["help"]) opts, args = getopt.gnu_getopt(sys.argv[1:], "nh", ["help"])
except getopt.GetoptError, err: except getopt.GetoptError as err:
print str(err) print(str(err))
sys.exit(2) sys.exit(2)
for opt, arg in opts: for opt, arg in opts:
if opt in ("-h", "--help"): if opt in ("-h", "--help"):
@ -51,6 +71,6 @@ if __name__ == "__main__":
break break
if verbose: if verbose:
print "%d unique active leases" % count_dhcp_leases() print("%d unique active leases" % count_dhcp_leases())
else: else:
print count_dhcp_leases() print(count_dhcp_leases())