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+#!/usr/bin/env python3
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+
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+import argparse
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+import sys
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+import re
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+import subprocess
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+import os
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+import tempfile
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+from yaml import load, dump
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+try:
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+ from yaml import CLoader as Loader, CDumper as Dumper
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+except ImportError:
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+ from yaml import Loader, Dumper
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+
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+
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+def main():
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+ parser = argparse.ArgumentParser(
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+ prog=sys.argv[0], description='Delete a VLAN from the network')
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+ parser.add_argument('--vlan-name', '-n', metavar='<VLAN_NAME>',
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+ help='Name of the VLAN to add', required=True)
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+ parser.add_argument('--vm-vlan-name', metavar='<VM_VLAN_NAME>',
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+ help='Name of the VLAN port group in VMware ', required=True)
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+ parser.add_argument('--vlan-id', '-i', metavar='<VLAN_ID>',
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+ help='ID of the VLAN to add', type=int, required=True)
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+ parser.add_argument(
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+ '--is-stretched', help='VLAN is stretched between both data centres (default: False)', action='store_true')
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+ parser.add_argument('--interface', action='append', metavar='<INTF>',
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+ help='Interface to enable for VLAN (can be specified more than once)')
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+ parser.add_argument(
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+ '--generate-iflist', help='Automatically generate a list of allowed interfaces for VLAN (default: False)', action='store_true')
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+ parser.add_argument('--vmware-cluster', action='append', metavar='<CLUSTER>',
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+ help='VMware cluster to configure for VLAN (can be specified more than once) (default: all clusters are configured)')
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+ parser.add_argument('--username', '-u', metavar='<USERNAME>',
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+ help='Username to use to connect to the N9Ks', required=True)
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+ parser.add_argument('--limit', '-L', metavar='<HOSTS_OR_GROUP_NAMES>',
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+ help='Comma-separated list of hosts or host group names (from inventory/hosts) on which to restrict operations')
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+ parser.add_argument('--tags', metavar='<TAG_LIST>',
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+ help='Comma-separated list of task tags to execute')
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+ parser.add_argument(
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+ '--list-tags', help='List available task tags', action='store_true')
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+ parser.add_argument(
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+ '--check-only', help='Only check syntax and attempt to predict changes', action='store_true')
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+ args = parser.parse_args()
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+
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+ if args.vlan_id < 1 or args.vlan_id > 3967:
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+ print('ERROR: VLAN ID must be between 1 and 3967')
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+ sys.exit(1)
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+
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+ is_stretched = False
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+ generate_iflist = False
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+
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+ if args.is_stretched:
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+ is_stretched = True
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+
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+ if args.generate_iflist and args.interface and len(args.interface) > 0:
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+ print('ERROR: Cannot specify both an interface list and --generate-iflist.')
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+ sys.exit(1)
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+
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+ if args.generate_iflist:
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+ generate_iflist = True
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+
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+ os.environ['ANSIBLE_FORCE_COLOR'] = 'True'
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+ os.environ['ANSIBLE_HOST_KEY_CHECKING'] = 'False'
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+ os.environ['ANSIBLE_PERSISTENT_COMMAND_TIMEOUT'] = '300'
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+
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+ if 'AD_PASSWORD' not in os.environ:
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+ print(
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+ 'ERROR: AD_PASSWORD must be set in the environment first (used for vCenter and UCS).')
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+ sys.exit(1)
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+
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+ os.environ['VMWARE_USER'] = args.username
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+ os.environ['VMWARE_PASSWORD'] = os.environ['VMWARE_PASSWORD']
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+
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+ cred_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
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+ vars = {
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+ 'ucs_mgr_username': args.username,
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+ 'ucs_mgr_password': os.environ['AD_PASSWORD']
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+ }
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+ dump(vars, cred_file, Dumper=Dumper)
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+ cred_file.close()
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+
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+ command = ['ansible-playbook', '-i', 'inventory/hosts',
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+ '-u', args.username, '-k', '-e',
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+ 'vlan_name={}'.format(
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+ args.vlan_name), '-e', 'vlan_id={}'.format(args.vlan_id), '-e', 'vm_vlan_name=\'{}\''.format(vm_vlan_name),
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+ '-e', 'ansible_python_interpreter={}'.format(sys.executable),
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+ '-e', '@{}'.format(cred_file.name),
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+ '-e', 'delete_vlan=True',
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+ '-e', 'is_stretched={}'.format(is_stretched),
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+ '-e', 'generate_iflist={}'.format(generate_iflist),
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+ 'add-vlan-playbook.yml']
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+ if args.interface and len(args.interface) > 0:
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+ command += ['-e',
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+ '{{"iflist": [{}]}}'.format(','.join(args.interface))]
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+ if args.generate_iflist:
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+ command += ['-e', '{{"iflist": []}}']
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+ if args.vmware_cluster and len(args.vmware_cluster) > 0:
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+ command += ['-e',
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+ '{{"vm_clusters": [{}]}}'.format(','.join(args.vmware_cluster))]
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+ if args.limit:
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+ command += ['--limit', args.limit]
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+ if args.tags:
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+ command += ['--tags', args.tags]
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+ if args.list_tags:
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+ command += ['--list-tags']
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+ if args.check_only:
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+ command += ['-C']
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+ p = subprocess.Popen(command, stdout=subprocess.PIPE,
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+ stderr=subprocess.STDOUT)
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+ for c in iter(lambda: p.stdout.read(1), b''):
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+ sys.stdout.write(c.decode('utf-8'))
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+ sys.stdout.flush()
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+
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+ p.poll()
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+
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+ if os.path.isfile(cred_file.name):
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+ os.remove(cred_file.name)
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+
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+
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+if __name__ == '__main__':
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+ main()
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Joe Clarke