created script to export dhcp configuration

scripts/dhcp_synchronizer.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+import os,sys
+from commands import getstatusoutput
+
+from django.core.management import setup_environ
+from django.core.mail import mail_admins
+from dns_mdb import settings
+
+setup_environ(settings)
+
+from mdb.models import *
+
+debugging = False
+
+dhcpd_init = "/etc/init.d/dhcp3-server %s"
+
+dhcpd_config = "/etc/dhcp3/dhcpd.conf"
+#dhcpd_config = "dhcpd.conf"
+
+
+config = DhcpConfig.objects.filter(name = "default").get()
+
+
+if config.serial == config.active_serial and not debugging:
+	sys.exit(0)
+
+dhcpd_file = open(dhcpd_config , "w")
+dhcpd_file.write(config.dhcpd_configuration())
+dhcpd_file.close()
+
+config.active_serial = config.serial
+config.save()
+
+status, output = getstatusoutput(dhcpd_init % "restart")
+if status != 0:
+	mail_admins("Failed to restart dhcp3-server", \
+		"Failed to restart dhcp3-server, plase inspect...\n\n" + output)
+	sys.exit(1)
+else:
+	mail_admins("Update dhcpd configuration success!", \
+		"Updated dhcpd configuration to serial %d." % \
+		config.active_serial)
+	sys.exit(0)
+