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.
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 DesignateRecord(resource.Resource):
"""Heat Template Resource for Designate Record."""
support_status = support.SupportStatus(
version='5.0.0')
PROPERTIES = (
NAME, TTL, DESCRIPTION, TYPE, DATA, PRIORITY, DOMAIN
) = (
'name', 'ttl', 'description', 'type', 'data', 'priority', 'domain'
)
_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,
_('Record name.'),
required=True,
constraints=[constraints.Length(max=255)]
),
# Based on RFC 1035, range for ttl is set to 0 to signed 32 bit number
TTL: properties.Schema(
properties.Schema.INTEGER,
_('Time To Live (Seconds).'),
update_allowed=True,
constraints=[constraints.Range(min=0,
max=2147483647)]
),
# designate mandates to the max length of 160 for description
DESCRIPTION: properties.Schema(
properties.Schema.STRING,
_('Description of record.'),
update_allowed=True,
constraints=[constraints.Length(max=160)]
),
TYPE: properties.Schema(
properties.Schema.STRING,
_('DNS Record type.'),
update_allowed=True,
required=True,
constraints=[constraints.AllowedValues(
_ALLOWED_TYPES
)]
),
DATA: properties.Schema(
properties.Schema.STRING,
_('DNS record data, varies based on the type of record. For more '
'details, please refer rfc 1035.'),
update_allowed=True,
required=True
),
# Based on RFC 1035, range for priority is set to 0 to signed 16 bit
# number
PRIORITY: properties.Schema(
properties.Schema.INTEGER,
_('DNS record priority. It is considered only for MX and SRV '
'types, otherwise, it is ignored.'),
update_allowed=True,
constraints=[constraints.Range(min=0,
max=65536)]
),
DOMAIN: properties.Schema(
properties.Schema.STRING,
_('DNS Domain id or name.'),
required=True,
constraints=[constraints.CustomConstraint('designate.domain')]
),
}
default_client_name = 'designate'
def handle_create(self):
args = dict(
name=self.properties[self.NAME],
type=self.properties[self.TYPE],
description=self.properties[self.DESCRIPTION],
ttl=self.properties[self.TTL],
data=self.properties[self.DATA],
# priority is considered only for MX and SRV record.
priority=(self.properties[self.PRIORITY]
if self.properties[self.TYPE] in (self.MX, self.SRV)
else None),
domain=self.properties[self.DOMAIN]
)
domain = self.client_plugin().record_create(**args)
self.resource_id_set(domain.id)
def handle_update(self,
json_snippet=None,
tmpl_diff=None,
prop_diff=None):
args = dict()
if prop_diff.get(self.TTL):
args['ttl'] = prop_diff.get(self.TTL)
if prop_diff.get(self.DESCRIPTION):
args['description'] = prop_diff.get(self.DESCRIPTION)
if prop_diff.get(self.TYPE):
args['type'] = prop_diff.get(self.TYPE)
# priority is considered only for MX and SRV record.
if prop_diff.get(self.PRIORITY):
args['priority'] = (prop_diff.get(self.PRIORITY)
if (prop_diff.get(self.TYPE) or
self.properties[self.TYPE]) in
(self.MX, self.SRV)
else None)
if prop_diff.get(self.DATA):
args['data'] = prop_diff.get(self.DATA)
if len(args.keys()) > 0:
args['id'] = self.resource_id
args['domain'] = self.properties[self.DOMAIN]
self.client_plugin().record_update(**args)
def handle_delete(self):
if self.resource_id is not None:
try:
self.client_plugin().record_delete(
id=self.resource_id,
domain=self.properties[self.DOMAIN]
)
except Exception as ex:
self.client_plugin().ignore_not_found(ex)
def resource_mapping():
return {
'OS::Designate::Record': DesignateRecord
}