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# Copyright 2016, Google, Inc.

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

import argparse

from google.cloud import dns

from google.cloud.exceptions import NotFound

# [START create_zone]

def create_zone(project_id, name, dns_name, description):

client = dns.Client(project=project_id)

zone = client.zone(

name, # examplezonename

dns_name=dns_name, # example.com.

description=description)

zone.create()

return zone

# [END create_zone]

# [START get_zone]

def get_zone(project_id, name):

client = dns.Client(project=project_id)

zone = client.zone(name=name)

try:

zone.reload()

return zone

except NotFound:

return None

# [END get_zone]

# [START list_zones]

def list_zones(project_id):

client = dns.Client(project=project_id)

zones = client.list_zones()

return [zone.name for zone in zones]

# [END list_zones]

# [START delete_zone]

def delete_zone(project_id, name):

client = dns.Client(project=project_id)

zone = client.zone(name)

zone.delete()

# [END delete_zone]

# [START list_resource_records]

def list_resource_records(project_id, zone_name):

client = dns.Client(project=project_id)

zone = client.zone(zone_name)

records = zone.list_resource_record_sets()

return [(record.name, record.record_type, record.ttl, record.rrdatas)

for record in records]

# [END list_resource_records]

# [START changes]

def list_changes(project_id, zone_name):

client = dns.Client(project=project_id)

zone = client.zone(zone_name)

changes = zone.list_changes()

return [(change.started, change.status) for change in changes]

# [END changes]

def create_command(args):

"""Adds a zone with the given name, DNS name, and description."""

zone = create_zone(

args.project_id, args.name, args.dns_name, args.description)

print('Zone {} added.'.format(zone.name))

def get_command(args):

"""Gets a zone by name."""

zone = get_zone(args.project_id, args.name)

if not zone:

print('Zone not found.')

else:

print('Zone: {}, {}, {}'.format(

zone.name, zone.dns_name, zone.description))

def list_command(args):

"""Lists all zones."""

print(list_zones(args.project_id))

def delete_command(args):

"""Deletes a zone."""

delete_zone(args.project_id, args.name)

print('Zone {} deleted.'.format(args.name))

def list_resource_records_command(args):

"""List all resource records for a zone."""

records = list_resource_records(args.project_id, args.name)

for record in records:

print(record)

def changes_command(args):

"""List all changes records for a zone."""

changes = list_changes(args.project_id, args.name)

for change in changes:

print(change)

if __name__ == '__main__':

parser = argparse.ArgumentParser()

subparsers = parser.add_subparsers()

parser.add_argument('--project-id', help='Your cloud project ID.')

create_parser = subparsers.add_parser(

'create', help=create_command.__doc__)

create_parser.set_defaults(func=create_command)

create_parser.add_argument('name', help='New zone name, e.g. "azonename".')

create_parser.add_argument(

'dns_name', help='New zone dns name, e.g. "example.com."')

create_parser.add_argument('description', help='New zone description.')

get_parser = subparsers.add_parser('get', help=get_command.__doc__)

get_parser.add_argument('name', help='Zone name, e.g. "azonename".')

get_parser.set_defaults(func=get_command)

list_parser = subparsers.add_parser('list', help=list_command.__doc__)

list_parser.set_defaults(func=list_command)

delete_parser = subparsers.add_parser(

'delete', help=delete_command.__doc__)

delete_parser.add_argument('name', help='Zone name, e.g. "azonename".')

delete_parser.set_defaults(func=delete_command)

list_rr_parser = subparsers.add_parser(

'list-resource-records', help=list_resource_records_command.__doc__)

list_rr_parser.add_argument('name', help='Zone name, e.g. "azonename".')

list_rr_parser.set_defaults(func=list_resource_records_command)

changes_parser = subparsers.add_parser(

'changes', help=changes_command.__doc__)

changes_parser.add_argument('name', help='Zone name, e.g. "azonename".')

changes_parser.set_defaults(func=changes_command)

args = parser.parse_args()

args.func(args)