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libvirt-python/examples/dhcpleases.py
Philipp Hahn 74a78fa42c examples: Fix white space
indent by 4 spaces
one spaces around assignments

Signed-off-by: Philipp Hahn <hahn@univention.de>
2020-08-05 07:43:02 +00:00

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1.6 KiB
Python
Executable File

#!/usr/bin/env python3
"""
Print leases info for a given virtual network
"""
import libvirt
import time
from argparse import ArgumentParser
parser = ArgumentParser(description=__doc__)
parser.add_argument("uri", nargs="?", default=None)
parser.add_argument("network")
args = parser.parse_args()
try:
conn = libvirt.open(args.uri)
except libvirt.libvirtError:
print("Unable to open connection to libvirt")
exit(1)
try:
net = conn.networkLookupByName(args.network)
except libvirt.libvirtError:
print("Network %s not found" % args.network)
exit(0)
leases = net.DHCPLeases()
if not leases:
print("Failed to get leases for %s" % net.name())
exit(0)
def toIPAddrType(addrType: int) -> str:
if addrType == libvirt.VIR_IP_ADDR_TYPE_IPV4:
return "ipv4"
elif addrType == libvirt.VIR_IP_ADDR_TYPE_IPV6:
return "ipv6"
return "Unknown"
print(" {0:20} {1:18} {2:9} {3:25} {4:15} {5}".format("Expiry Time",
"MAC address",
"Protocol",
"IP address",
"Hostname",
"Client ID or DUID"))
print("-" * 115)
for lease in leases:
print(" {0:20} {1:18} {2:9} {3:25} {4:15} {5}".format(
time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(lease['expirytime'])),
lease['mac'],
toIPAddrType(lease['type']),
"{}/{}".format(lease['ipaddr'], lease['prefix']),
lease['hostname'],
lease['clientid']
))