OpenStack Orchestration (Heat)
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#
# 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 six
from heat.common import exception
from heat.common.i18n import _
from heat.engine import constraints
from heat.engine import properties
from heat.engine import resource
from heat.engine import support
class DesignateRecordSet(resource.Resource):
"""Heat Template Resource for Designate RecordSet.
Designate provides DNS-as-a-Service services for OpenStack. RecordSet
helps to add more than one records.
"""
support_status = support.SupportStatus(
version='8.0.0')
PROPERTIES = (
NAME, TTL, DESCRIPTION, TYPE, RECORDS, ZONE
) = (
'name', 'ttl', 'description', 'type', 'records', 'zone'
)
_ALLOWED_TYPES = (
A, AAAA, CNAME, MX, SRV, TXT, SPF,
NS, PTR, SSHFP, SOA
) = (
'A', 'AAAA', 'CNAME', 'MX', 'SRV', 'TXT', 'SPF',
'NS', 'PTR', 'SSHFP', 'SOA'
)
properties_schema = {
# Based on RFC 1035, length of name is set to max of 255
NAME: properties.Schema(
properties.Schema.STRING,
_('RecordSet name.'),
constraints=[constraints.Length(max=255)]
),
# Based on RFC 1035, range for ttl is set to 1 to signed 32 bit number
TTL: properties.Schema(
properties.Schema.INTEGER,
_('Time To Live (Seconds).'),
update_allowed=True,
constraints=[constraints.Range(min=1,
max=2147483647)]
),
# designate mandates to the max length of 160 for description
DESCRIPTION: properties.Schema(
properties.Schema.STRING,
_('Description of RecordSet.'),
update_allowed=True,
constraints=[constraints.Length(max=160)]
),
TYPE: properties.Schema(
properties.Schema.STRING,
_('DNS RecordSet type.'),
required=True,
constraints=[constraints.AllowedValues(
_ALLOWED_TYPES
)]
),
RECORDS: properties.Schema(
properties.Schema.LIST,
_('A list of data for this RecordSet. Each item will be a '
'separate record in Designate These items should conform to the '
'DNS spec for the record type - e.g. A records must be IPv4 '
'addresses, CNAME records must be a hostname. DNS record data '
'varies based on the type of record. For more details, please '
'refer rfc 1035.'),
update_allowed=True,
required=True
),
ZONE: properties.Schema(
properties.Schema.STRING,
_('DNS Zone id or name.'),
required=True,
constraints=[constraints.CustomConstraint('designate.zone')]
),
}
default_client_name = 'designate'
entity = 'recordsets'
def handle_create(self):
args = dict((k, v) for k, v in six.iteritems(self.properties) if v)
args['type_'] = args.pop(self.TYPE)
if not args.get(self.NAME):
args[self.NAME] = self.physical_resource_name()
rs = self.client().recordsets.create(**args)
self.resource_id_set(rs['id'])
def _check_status_complete(self):
recordset = self.client().recordsets.get(
recordset=self.resource_id,
zone=self.properties[self.ZONE]
)
if recordset['status'] == 'ERROR':
raise exception.ResourceInError(
resource_status=recordset['status'],
status_reason=_('Error in RecordSet'))
return recordset['status'] != 'PENDING'
def check_create_complete(self, handler_data=None):
return self._check_status_complete()
def handle_update(self, json_snippet, tmpl_diff, prop_diff):
args = dict()
for prp in (self.TTL, self.DESCRIPTION, self.RECORDS):
if prop_diff.get(prp):
args[prp] = prop_diff.get(prp)
if prop_diff.get(self.TYPE):
args['type_'] = prop_diff.get(self.TYPE)
if len(args.keys()) > 0:
self.client().recordsets.update(
recordset=self.resource_id,
zone=self.properties[self.ZONE],
values=args)
def check_update_complete(self, handler_data=None):
return self._check_status_complete()
def handle_delete(self):
if self.resource_id is not None:
with self.client_plugin().ignore_not_found:
self.client().recordsets.delete(
recordset=self.resource_id,
zone=self.properties[self.ZONE]
)
def check_delete_complete(self, handler_data=None):
if self.resource_id is not None:
with self.client_plugin().ignore_not_found:
return self._check_status_complete()
return True
def _show_resource(self):
return self.client().recordsets.get(
recordset=self.resource_id,
zone=self.properties[self.ZONE]
)
def resource_mapping():
return {
'OS::Designate::RecordSet': DesignateRecordSet
}