80 lines
3.0 KiB
Python
80 lines
3.0 KiB
Python
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#!/usr/bin/env python3
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# File: generate-pihole-dns-dhcp.py
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#
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# Description: This file generates the DNS and DHCP files for pihole.
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#
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# Package: AniNIX/Ubiqtorate
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# Copyright: WTFPL
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#
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# Author: DarkFeather <darkfeather@aninix.net>
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import os
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import sys
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import yaml
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dnsfilepath="roles/Nazara/files/dns"
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dhcpfilepath="roles/Nazara/files/dhcp"
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def WriteDHCPEntry(content,hosttype,hostclass):
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### Create the DHCP entry
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# param content: the yaml content to parse
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# param hosttype: managed or unmanaged
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# param hostclass: the type of host as classified in the yaml
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global dhcpfile
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with open(dhcpfilepath,'a') as dhcpfile:
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for host in content['all']['children'][hosttype]['children'][hostclass]['hosts']:
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try:
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dhcpfile.write('dhcp-host=' + content['all']['children'][hosttype]['children'][hostclass]['hosts'][host]['vars']['mac'] + ',' + content['all']['children'][hosttype]['children'][hostclass]['hosts'][host]['vars']['ip'] + '\n')
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except:
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print(host + ' is not complete for DHCP.')
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def WriteDNSEntry(content,hosttype,hostclass):
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### Create the DNS entry
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# param content: the yaml content to parse
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# param hosttype: managed or unmanaged
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# param hostclass: the type of host as classified in the yaml
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global dnsfile
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with open(dnsfilepath,'a') as dnsfile:
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for host in content['all']['children'][hosttype]['children'][hostclass]['hosts']:
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try:
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dnsfile.write(content['all']['children'][hosttype]['children'][hostclass]['hosts'][host]['vars']['ip'] + ' ' + host + '.' + content['all']['vars']['replica_domain'] + ' ' + host + '\n')
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except:
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print(host + ' is not complete for DNS.')
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def GenerateFiles(file):
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### Open the file and parse it
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# param file: the file to work on
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global dnsfile
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# Parse the yaml
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with open(file, 'r') as stream:
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content = yaml.safe_load(stream)
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# Clear the DNS file
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with open(dhcpfilepath,'w') as dhcpfile:
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dhcpfile.write('dhcp-range='+content['all']['vars']['dhcprange']+'\n')
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dhcpfile.write('dhcp-option=option:router,'+content['all']['vars']['router']+'\n')
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dhcpfile.write('dhcp-option=option:dns-server,'+content['all']['vars']['dns']+'\n\n')
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dhcpfile.write('dhcp-range='+content['all']['vars']['staticrange']+'\n')
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with open(dnsfilepath,'w') as dnsfile:
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dnsfile.write('')
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# Add DNS entries for each host
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hosttype = 'managed'
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for hostclass in ['physical','virtual','geth-hubs']:
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WriteDNSEntry(content,hosttype,hostclass)
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WriteDHCPEntry(content,hosttype,hostclass)
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hosttype = 'unmanaged'
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for hostclass in ['ovas','hardware','iot']:
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WriteDNSEntry(content,hosttype,hostclass)
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WriteDHCPEntry(content,hosttype,hostclass)
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if __name__ == '__main__':
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if len(sys.argv) != 2:
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print("You need to supply an inventory file.")
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sys.exit(1)
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GenerateFiles(sys.argv[1])
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sys.exit(0)
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