devop-scripts/communica_init_network_gen.py at master · Communica/devop-scripts · GitHub

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#!/usr/bin/env python
#	Script to make interface configs at servers in the communica server park
#	get up automagically.
#	Make   an /etc/network/interfaces6   script to set em up
#	and / or interfaces4
import os, sys, re, time, datetime

INIT_NETWORK_BOOT_SCRIPT = """
### BEGIN INIT INFO
# Provides:          init-network
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Startupscript for the interfaces (ipv6 and ivp4) on this host.
# Description:       What she said.
### END INIT INFO


#       @description: startupscript for the network
#       @author: technocake
#
#	*!* - AUTOGENERATED BY communica_init_network_gen.py  -*!*
#       @date: 01.05.2011       03:00 ca.
#	@auto-gen-date: %s
#
################################################################
echo "INITIALIZING INTERFACES"
"""

IPV4_SCRIPT = """
echo "#STARTING IPV4 INTERFACES"
/etc/network/interfaces4
"""
IPV6_SCRIPT = """
echo "#STARTING IPV6 INTERFACE"
/etc/network/interfaces6
"""

#In python 3, raw_input is renamed to input. In python v <3. input does something else.
def prompt(text):
        try:
                return raw_input(text)
        except:
                try:
                        return input(text)

                except:
                        exit()


if __name__ == "__main__":
	INIT_NETWORK_BOOT_SCRIPT = INIT_NETWORK_BOOT_SCRIPT % (datetime.date.today(),)

	ipv6 = prompt ( "Create boot script for ipv6 addresses ? [y]")
	ipv4 = prompt ( "Create boot script for ipv4 addresses ? [y]")

	if re.search("n|N", ipv4) == None:
		print ( "Adding /etc/network/interfaces4  to the /etc/init.d/init-network script" )
		INIT_NETWORK_BOOT_SCRIPT += IPV4_SCRIPT
	if re.search("n|N", ipv6) == None:
		print ( "Adding /etc/network/interfaces6  to the /etc/init.d/init-network script" )
		INIT_NETWORK_BOOT_SCRIPT += IPV6_SCRIPT

	print ("Generated /etc/init.d/init-network : ")
	print (INIT_NETWORK_BOOT_SCRIPT )


	nf = open( "/etc/init.d/init-network", "w+")
	nf.write(INIT_NETWORK_BOOT_SCRIPT)
	nf.close()

	print ( "CHMODing and making entries in the rc*.d folders")
	os.system("chmod u+x /etc/init.d/init-network" )
	os.system("update-rc.d init-network start 13 2 3 4 5 . stop 13 0 1 6 .")

	print ( "Done! adios ")