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Anzahl der aktuellen DHCPD-Leases in alfred-announce.py eingebaut

master
Thomas Hooge 2016-12-04 12:51:04 +01:00
parent a0d0290a64
commit f4e023cde9
1 changed files with 21 additions and 2 deletions
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21
alfred-announce.py
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@ -37,6 +37,7 @@ Version Datum Änderung(en) von
-------- ----------- ------------------------------------------------------ ---- -------- ----------- ------------------------------------------------------ ----
0.1 2015-10-18 Änderungsprotokoll eingebaut tho 0.1 2015-10-18 Änderungsprotokoll eingebaut tho
0.2 2016-08-30 Automatisierung Land des Exit-VPNs tho 0.2 2016-08-30 Automatisierung Land des Exit-VPNs tho
0.3 2016-12-04 DHCPD-Leases integrieren zur Anzeige der Clientanz. tho
""" """
@ -54,6 +55,8 @@ import socket
import zlib import zlib
import time import time
import logging import logging
import re
import datetime
cfg = { cfg = {
'logfile': '/var/log/alfred-announced.log', 'logfile': '/var/log/alfred-announced.log',
@ -233,6 +236,22 @@ def fn_fastd_peers():
npeers += 1 npeers += 1
return npeers return npeers
def fn_dhcpd_leases():
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]+?);")
leases = 0
with open("/var/lib/dhcp/dhcpd.leases") as lease_file:
macs = set()
for match in regex_leaseblock.finditer(lease_file.read()):
block = match.groupdict()
properties = {key: value for (key, value) in regex_properties.findall(block['config'])}
if properties['binding'].split(' ')[1] == 'active' and properties['ends'] != 'never':
dt_ends = datetime.datetime.strptime(properties['ends'][2:], "%Y/%m/%d %H:%M:%S")
if dt_ends > datetime.datetime.utcnow() and properties['hardware'].startswith('ethernet'):
macs.add(properties['hardware'][9:])
leases = len(macs)
return leases
# Hinweis: Die durch Punkte getrennten Teilschlüssel müssen gültige # Hinweis: Die durch Punkte getrennten Teilschlüssel müssen gültige
# PHP-Variablennamen sein. # PHP-Variablennamen sein.
item = { item = {
@ -257,9 +276,9 @@ item = {
'statistics.traffic': { 'interval': 60, 'exec': fn_traffic }, 'statistics.traffic': { 'interval': 60, 'exec': fn_traffic },
'statistics.uptime': { 'interval': 60, 'exec': fn_uptime }, 'statistics.uptime': { 'interval': 60, 'exec': fn_uptime },
'statistics.peers': { 'interval': 60, 'exec': fn_fastd_peers }, 'statistics.peers': { 'interval': 60, 'exec': fn_fastd_peers },
'statistics.leases': { 'interval': 60, 'exec': fn_dhcpd_leases },
} }
# Die Meßwerte nach Intervall gruppieren # Die Meßwerte nach Intervall gruppieren
#items_by_interval = defaultdict(list) #items_by_interval = defaultdict(list)
#for k, v in item.iteritems(): #for k, v in item.iteritems():