Skripte für Zabbix aufgenommen

zabbix/dhcpd.leases

@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+
+import re
+import datetime
+
+def count_dhcp_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
+
+if __name__ == "__main__":
+    print count_dhcp_leases()

zabbix/exitvpn.state

@@ -0,0 +1,35 @@
+#!/bin/bash
+#
+# Check if ExitVPN is working
+# 1 - OK
+# 0 - Failed
+#
+
+VPNCONF=$(grep -e "^AUTOSTART=" /etc/default/openvpn)
+INTERFACE=$(sed -e 's/^"//' -e 's/"$//' <<< ${VPNCONF#*=})
+NATIF=$(iptables -t nat -vnL | grep MASQUERADE | awk '{$1=$1};1' | cut -d' ' -f 7)
+TESTIP=81.7.16.37 # gate01
+
+if [ ! `pgrep openvpn` ]; then
+    echo 0
+    exit 0
+fi
+
+if [ ! -d "/sys/class/net/$INTERFACE" ]; then
+    echo 0
+    exit 0
+fi
+
+if ! test "$NATIF" == "$INTERFACE" ; then
+    echo 0
+    exit 0
+fi
+
+ping -q -I $INTERFACE $TESTIP -c 3 -i 1 -W 5 >/dev/null 2>&1
+if ! test $? -eq 0; then
+    echo 0
+    exit 0
+fi
+
+echo 1
+exit 0