#!/usr/bin/python # This file is part of Ansible # # Ansible is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # Ansible is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with Ansible. If not, see . DOCUMENTATION = ''' --- module: route53 version_added: "1.3" short_description: add or delete entries in Amazons Route53 DNS service description: - Creates and deletes DNS records in Amazons Route53 service options: command: description: - Specifies the action to take. required: true choices: [ 'get', 'create', 'delete' ] zone: description: - The DNS zone to modify required: true hosted_zone_id: description: - The Hosted Zone ID of the DNS zone to modify required: false version_added: "2.0" default: null record: description: - The full DNS record to create or delete required: true ttl: description: - The TTL to give the new record required: false default: 3600 (one hour) type: description: - The type of DNS record to create required: true choices: [ 'A', 'CNAME', 'MX', 'AAAA', 'TXT', 'PTR', 'SRV', 'SPF', 'NS', 'SOA' ] alias: description: - Indicates if this is an alias record. required: false version_added: "1.9" default: False choices: [ 'True', 'False' ] alias_hosted_zone_id: description: - The hosted zone identifier. required: false version_added: "1.9" default: null alias_evaluate_target_health: description: - Whether or not to evaluate an alias target health. Useful for aliases to Elastic Load Balancers. required: false version_added: "2.1" default: false value: description: - The new value when creating a DNS record. Multiple comma-spaced values are allowed for non-alias records. When deleting a record all values for the record must be specified or Route53 will not delete it. required: false default: null overwrite: description: - Whether an existing record should be overwritten on create if values do not match required: false default: null retry_interval: description: - In the case that route53 is still servicing a prior request, this module will wait and try again after this many seconds. If you have many domain names, the default of 500 seconds may be too long. required: false default: 500 private_zone: description: - If set to true, the private zone matching the requested name within the domain will be used if there are both public and private zones. The default is to use the public zone. required: false default: false version_added: "1.9" identifier: description: - Have to be specified for Weighted, latency-based and failover resource record sets only. An identifier that differentiates among multiple resource record sets that have the same combination of DNS name and type. required: false default: null version_added: "2.0" weight: description: - Weighted resource record sets only. Among resource record sets that have the same combination of DNS name and type, a value that determines what portion of traffic for the current resource record set is routed to the associated location. required: false default: null version_added: "2.0" region: description: - Latency-based resource record sets only Among resource record sets that have the same combination of DNS name and type, a value that determines which region this should be associated with for the latency-based routing required: false default: null version_added: "2.0" health_check: description: - Health check to associate with this record required: false default: null version_added: "2.0" failover: description: - Failover resource record sets only. Whether this is the primary or secondary resource record set. Allowed values are PRIMARY and SECONDARY required: false default: null version_added: "2.0" vpc_id: description: - "When used in conjunction with private_zone: true, this will only modify records in the private hosted zone attached to this VPC." - This allows you to have multiple private hosted zones, all with the same name, attached to different VPCs. required: false default: null version_added: "2.0" wait: description: - Wait until the changes have been replicated to all Amazon Route 53 DNS servers. required: false default: no version_added: "2.1" wait_timeout: description: - How long to wait for the changes to be replicated, in seconds. required: false default: 300 version_added: "2.1" author: - "Bruce Pennypacker (@bpennypacker)" - "Mike Buzzetti " extends_documentation_fragment: aws ''' # FIXME: the command stuff should have a more state like configuration alias -- MPD EXAMPLES = ''' # Add new.foo.com as an A record with 3 IPs and wait until the changes have been replicated - route53: command: create zone: foo.com record: new.foo.com type: A ttl: 7200 value: 1.1.1.1,2.2.2.2,3.3.3.3 wait: yes # Retrieve the details for new.foo.com - route53: command: get zone: foo.com record: new.foo.com type: A register: rec # Delete new.foo.com A record using the results from the get command - route53: command: delete zone: foo.com record: "{{ rec.set.record }}" ttl: "{{ rec.set.ttl }}" type: "{{ rec.set.type }}" value: "{{ rec.set.value }}" # Add an AAAA record. Note that because there are colons in the value # that the entire parameter list must be quoted: - route53: command: "create" zone: "foo.com" record: "localhost.foo.com" type: "AAAA" ttl: "7200" value: "::1" # Add a SRV record with multiple fields for a service on port 22222 # For more information on SRV records see: # https://en.wikipedia.org/wiki/SRV_record - route53: command: "create" "zone": "foo.com" "record": "_example-service._tcp.foo.com" "type": "SRV" "value": ["0 0 22222 host1.foo.com", "0 0 22222 host2.foo.com"] # Add a TXT record. Note that TXT and SPF records must be surrounded # by quotes when sent to Route 53: - route53: command: "create" zone: "foo.com" record: "localhost.foo.com" type: "TXT" ttl: "7200" value: '"bar"' # Add an alias record that points to an Amazon ELB: - route53: command=create zone=foo.com record=elb.foo.com type=A value="{{ elb_dns_name }}" alias=True alias_hosted_zone_id="{{ elb_zone_id }}" # Add an alias record that points to an Amazon ELB and evaluates it health: - route53: command=create zone=foo.com record=elb.foo.com type=A value="{{ elb_dns_name }}" alias=True alias_hosted_zone_id="{{ elb_zone_id }}" alias_evaluate_target_health=True # Add an AAAA record with Hosted Zone ID. Note that because there are colons in the value # that the entire parameter list must be quoted: - route53: command: "create" zone: "foo.com" hosted_zone_id: "Z2AABBCCDDEEFF" record: "localhost.foo.com" type: "AAAA" ttl: "7200" value: "::1" # Add an AAAA record with Hosted Zone ID. Note that because there are colons in the value # that the entire parameter list must be quoted: - route53: command: "create" zone: "foo.com" hosted_zone_id: "Z2AABBCCDDEEFF" record: "localhost.foo.com" type: "AAAA" ttl: "7200" value: "::1" # Use a routing policy to distribute traffic: - route53: command: "create" zone: "foo.com" record: "www.foo.com" type: "CNAME" value: "host1.foo.com" ttl: 30 # Routing policy identifier: "host1@www" weight: 100 health_check: "d994b780-3150-49fd-9205-356abdd42e75" ''' MINIMUM_BOTO_VERSION = '2.28.0' WAIT_RETRY_SLEEP = 5 # how many seconds to wait between propagation status polls import time import distutils.version try: import boto import boto.ec2 from boto import route53 from boto.route53 import Route53Connection from boto.route53.record import Record, ResourceRecordSets from boto.route53.status import Status HAS_BOTO = True except ImportError: HAS_BOTO = False class TimeoutError(Exception): pass def get_zone_by_name(conn, module, zone_name, want_private, zone_id, want_vpc_id): """Finds a zone by name or zone_id""" for zone in conn.get_zones(): # only save this zone id if the private status of the zone matches # the private_zone_in boolean specified in the params private_zone = module.boolean(zone.config.get('PrivateZone', False)) if private_zone == want_private and ((zone.name == zone_name and zone_id == None) or zone.id.replace('/hostedzone/', '') == zone_id): if want_vpc_id: # NOTE: These details aren't available in other boto methods, hence the necessary # extra API call zone_details = conn.get_hosted_zone(zone.id)['GetHostedZoneResponse'] # this is to deal with this boto bug: https://github.com/boto/boto/pull/2882 if isinstance(zone_details['VPCs'], dict): if zone_details['VPCs']['VPC']['VPCId'] == want_vpc_id: return zone else: # Forward compatibility for when boto fixes that bug if want_vpc_id in [v['VPCId'] for v in zone_details['VPCs']]: return zone else: return zone return None def commit(changes, retry_interval, wait, wait_timeout): """Commit changes, but retry PriorRequestNotComplete errors.""" result = None retry = 10 while True: try: retry -= 1 result = changes.commit() break except boto.route53.exception.DNSServerError, e: code = e.body.split("")[1] code = code.split("")[0] if code != 'PriorRequestNotComplete' or retry < 0: raise e time.sleep(float(retry_interval)) if wait: timeout_time = time.time() + wait_timeout connection = changes.connection change = result['ChangeResourceRecordSetsResponse']['ChangeInfo'] status = Status(connection, change) while status.status != 'INSYNC' and time.time() < timeout_time: time.sleep(WAIT_RETRY_SLEEP) status.update() if time.time() >= timeout_time: raise TimeoutError() return result # Shamelessly copied over from https://git.io/vgmDG IGNORE_CODE = 'Throttling' MAX_RETRIES=5 def invoke_with_throttling_retries(function_ref, *argv): retries=0 while True: try: retval=function_ref(*argv) return retval except boto.exception.BotoServerError, e: if e.code != IGNORE_CODE or retries==MAX_RETRIES: raise e time.sleep(5 * (2**retries)) retries += 1 def main(): argument_spec = ec2_argument_spec() argument_spec.update(dict( command = dict(choices=['get', 'create', 'delete'], required=True), zone = dict(required=True), hosted_zone_id = dict(required=False, default=None), record = dict(required=True), ttl = dict(required=False, type='int', default=3600), type = dict(choices=['A', 'CNAME', 'MX', 'AAAA', 'TXT', 'PTR', 'SRV', 'SPF', 'NS', 'SOA'], required=True), alias = dict(required=False, type='bool'), alias_hosted_zone_id = dict(required=False), alias_evaluate_target_health = dict(required=False, type='bool', default=False), value = dict(required=False), overwrite = dict(required=False, type='bool'), retry_interval = dict(required=False, default=500), private_zone = dict(required=False, type='bool', default=False), identifier = dict(required=False, default=None), weight = dict(required=False, type='int'), region = dict(required=False), health_check = dict(required=False), failover = dict(required=False,choices=['PRIMARY','SECONDARY']), vpc_id = dict(required=False), wait = dict(required=False, type='bool', default=False), wait_timeout = dict(required=False, type='int', default=300), ) ) module = AnsibleModule(argument_spec=argument_spec) if not HAS_BOTO: module.fail_json(msg='boto required for this module') if distutils.version.StrictVersion(boto.__version__) < distutils.version.StrictVersion(MINIMUM_BOTO_VERSION): module.fail_json(msg='Found boto in version %s, but >= %s is required' % (boto.__version__, MINIMUM_BOTO_VERSION)) command_in = module.params.get('command') zone_in = module.params.get('zone').lower() hosted_zone_id_in = module.params.get('hosted_zone_id') ttl_in = module.params.get('ttl') record_in = module.params.get('record').lower() type_in = module.params.get('type') value_in = module.params.get('value') alias_in = module.params.get('alias') alias_hosted_zone_id_in = module.params.get('alias_hosted_zone_id') alias_evaluate_target_health_in = module.params.get('alias_evaluate_target_health') retry_interval_in = module.params.get('retry_interval') private_zone_in = module.params.get('private_zone') identifier_in = module.params.get('identifier') weight_in = module.params.get('weight') region_in = module.params.get('region') health_check_in = module.params.get('health_check') failover_in = module.params.get('failover') vpc_id_in = module.params.get('vpc_id') wait_in = module.params.get('wait') wait_timeout_in = module.params.get('wait_timeout') region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module) value_list = () if type(value_in) is str: if value_in: value_list = sorted([s.strip() for s in value_in.split(',')]) elif type(value_in) is list: value_list = sorted(value_in) if zone_in[-1:] != '.': zone_in += "." if record_in[-1:] != '.': record_in += "." if command_in == 'create' or command_in == 'delete': if not value_in: module.fail_json(msg = "parameter 'value' required for create/delete") elif alias_in: if len(value_list) != 1: module.fail_json(msg = "parameter 'value' must contain a single dns name for alias create/delete") elif not alias_hosted_zone_id_in: module.fail_json(msg = "parameter 'alias_hosted_zone_id' required for alias create/delete") elif ( weight_in!=None or region_in!=None or failover_in!=None ) and identifier_in==None: module.fail_json(msg= "If you specify failover, region or weight you must also specify identifier") if command_in == 'create': if ( weight_in!=None or region_in!=None or failover_in!=None ) and identifier_in==None: module.fail_json(msg= "If you specify failover, region or weight you must also specify identifier") elif ( weight_in==None and region_in==None and failover_in==None ) and identifier_in!=None: module.fail_json(msg= "You have specified identifier which makes sense only if you specify one of: weight, region or failover.") if vpc_id_in and not private_zone_in: module.fail_json(msg="parameter 'private_zone' must be true when specifying parameter" " 'vpc_id'") # connect to the route53 endpoint try: conn = Route53Connection(**aws_connect_kwargs) except boto.exception.BotoServerError, e: module.fail_json(msg = e.error_message) # Find the named zone ID zone = get_zone_by_name(conn, module, zone_in, private_zone_in, hosted_zone_id_in, vpc_id_in) # Verify that the requested zone is already defined in Route53 if zone is None: errmsg = "Zone %s does not exist in Route53" % zone_in module.fail_json(msg = errmsg) record = {} found_record = False wanted_rset = Record(name=record_in, type=type_in, ttl=ttl_in, identifier=identifier_in, weight=weight_in, region=region_in, health_check=health_check_in, failover=failover_in) for v in value_list: if alias_in: wanted_rset.set_alias(alias_hosted_zone_id_in, v, alias_evaluate_target_health_in) else: wanted_rset.add_value(v) sets = conn.get_all_rrsets(zone.id, name=record_in, type=type_in, identifier=identifier_in) for rset in sets: # Due to a bug in either AWS or Boto, "special" characters are returned as octals, preventing round # tripping of things like * and @. decoded_name = rset.name.replace(r'\052', '*') decoded_name = decoded_name.replace(r'\100', '@') #Need to save this changes in rset, because of comparing rset.to_xml() == wanted_rset.to_xml() in next block rset.name = decoded_name if identifier_in is not None: identifier_in = str(identifier_in) if rset.type == type_in and decoded_name.lower() == record_in.lower() and rset.identifier == identifier_in: found_record = True record['zone'] = zone_in record['type'] = rset.type record['record'] = decoded_name record['ttl'] = rset.ttl record['value'] = ','.join(sorted(rset.resource_records)) record['values'] = sorted(rset.resource_records) if hosted_zone_id_in: record['hosted_zone_id'] = hosted_zone_id_in record['identifier'] = rset.identifier record['weight'] = rset.weight record['region'] = rset.region record['failover'] = rset.failover record['health_check'] = rset.health_check if hosted_zone_id_in: record['hosted_zone_id'] = hosted_zone_id_in if rset.alias_dns_name: record['alias'] = True record['value'] = rset.alias_dns_name record['values'] = [rset.alias_dns_name] record['alias_hosted_zone_id'] = rset.alias_hosted_zone_id record['alias_evaluate_target_health'] = rset.alias_evaluate_target_health else: record['alias'] = False record['value'] = ','.join(sorted(rset.resource_records)) record['values'] = sorted(rset.resource_records) if command_in == 'create' and rset.to_xml() == wanted_rset.to_xml(): module.exit_json(changed=False) break if command_in == 'get': if type_in == 'NS': ns = record['values'] else: # Retrieve name servers associated to the zone. ns = conn.get_zone(zone_in).get_nameservers() module.exit_json(changed=False, set=record, nameservers=ns) if command_in == 'delete' and not found_record: module.exit_json(changed=False) changes = ResourceRecordSets(conn, zone.id) if command_in == 'create' or command_in == 'delete': if command_in == 'create' and found_record: if not module.params['overwrite']: module.fail_json(msg = "Record already exists with different value. Set 'overwrite' to replace it") command = 'UPSERT' else: command = command_in.upper() changes.add_change_record(command, wanted_rset) try: result = invoke_with_throttling_retries(commit, changes, retry_interval_in, wait_in, wait_timeout_in) except boto.route53.exception.DNSServerError, e: txt = e.body.split("")[1] txt = txt.split("")[0] if "but it already exists" in txt: module.exit_json(changed=False) else: module.fail_json(msg = txt) except TimeoutError: module.fail_json(msg='Timeout waiting for changes to replicate') module.exit_json(changed=True) # import module snippets from ansible.module_utils.basic import * from ansible.module_utils.ec2 import * main()