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- #!/usr/bin/env python2
- #
- # Copyright (c) 2017-2019 Joe Clarke <jclarke@cisco.com>
- # All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in the
- # documentation and/or other materials provided with the distribution.
- #
- # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- import json
- import requests
- from requests.packages.urllib3.exceptions import InsecureRequestWarning
- requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
- import sys
- import CLEUCreds
- DHCP_BASE = 'https://dc1-dhcp.ciscolive.network:8443/web-services/rest/resource/Scope'
- IDF_CNT = 98
- HEADERS = {
- 'authorization': CLEUCreds.JCLARKE_BASIC,
- 'accept': 'application/json',
- 'content-type': 'application/json'
- }
- if __name__ == '__main__':
- if len(sys.argv) != 4:
- sys.stderr.write(
- "usage: {} VLAN <IDF|CORE> START\n".format(sys.argv[0]))
- sys.exit(1)
- vlan = sys.argv[1]
- type = sys.argv[2].upper()
- start = sys.argv[3]
- if type != 'CORE' and type != 'IDF':
- sys.stderr.write("usage: {} VLAN <IDF|CORE> START\n".format(sys.argv[0]))
- sys.exit(1)
- istart = 1
- prefix = 'IDF-' + str(istart).zfill(3)
- rs = 1
- cnt = IDF_CNT
- if type == 'CORE':
- prefix = 'CORE-'
- rs = 0
- cnt = 0
- first_scope_name = '{}-{}'.format(prefix, vlan.upper())
- url = '{}/{}'.format(DHCP_BASE, first_scope_name)
- try:
- response = requests.request('GET', url, headers=HEADERS, verify=False)
- response.raise_for_status()
- except Exception as e:
- sys.stderr.write(
- 'Failed to get first scope details for {}: {}\n'.format(first_scope_name, e))
- sys.exit(1)
- first_scope = response.json()
- end = first_scope['rangeList']['RangeItem'][0]['end'].split('.')[3]
- subnet = '.'.join(first_scope['subnet'].split('.')[0:2])
- policy = first_scope['policy']
- embedded_policy = None
- if 'embeddedPolicy' in first_scope:
- embedded_policy = first_scope['embeddedPolicy']
- for i in range(rs, cnt + 1):
- rstart = '{}.{}.{}'.format(subnet, i, start)
- eoctet = i
- if type == 'CORE':
- eoctet = 255
- rend = '{}.{}.{}'.format(subnet, eoctet, end)
- prefix = 'IDF-' + str(i).zfill(3)
- if embedded_policy is not None:
- embedded_policy = {
- 'optionList': {
- 'OptionItem': [
- {
- 'number': '3',
- 'value': '{}.{}.{}'.format(subnet, eoctet, str(254))
- }
- ]
- }
- }
- if type == 'CORE':
- prefix = 'CORE-'
- scope_name = '{}-{}'.format(prefix, vlan.upper())
- url = '{}/{}'.format(DHCP_BASE, scope_name)
- try:
- # print('Changing {} to start: {}, end: {}'.format(
- # scope_name, start, end))
- payload = {
- 'rangeList': {'RangeItem': [
- {'start': rstart, 'end': rend}]},
- 'policy': policy
- }
- if embedded_policy is not None:
- payload['embeddedPolicy'] = embedded_policy
- response = requests.request(
- 'PUT', url, json=payload, headers=HEADERS, verify=False)
- response.raise_for_status()
- except Exception as e:
- sys.stderr.write(
- 'Failed to update scope details for {}: {}\n'.format(scope_name, e))
- continue
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