heat/heat/engine/resources/aws/cfn/wait_condition.py

106 lines
3.7 KiB
Python

#
# 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.common import identifier
from heat.engine import attributes
from heat.engine import constraints
from heat.engine import properties
from heat.engine.resources.aws.cfn import wait_condition_handle as aws_wch
from heat.engine.resources.openstack.heat import wait_condition as heat_wc
from heat.engine import support
class WaitCondition(heat_wc.HeatWaitCondition):
support_status = support.SupportStatus(version='2014.1')
PROPERTIES = (
HANDLE, TIMEOUT, COUNT,
) = (
'Handle', 'Timeout', 'Count',
)
ATTRIBUTES = (
DATA,
) = (
'Data',
)
properties_schema = {
HANDLE: properties.Schema(
properties.Schema.STRING,
_('A reference to the wait condition handle used to signal this '
'wait condition.'),
required=True
),
TIMEOUT: properties.Schema(
properties.Schema.INTEGER,
_('The number of seconds to wait for the correct number of '
'signals to arrive.'),
required=True,
constraints=[
constraints.Range(1, 43200),
]
),
COUNT: properties.Schema(
properties.Schema.INTEGER,
_('The number of success signals that must be received before '
'the stack creation process continues.'),
constraints=[
constraints.Range(min=1),
],
default=1,
update_allowed=True
),
}
attributes_schema = {
DATA: attributes.Schema(
_('JSON string containing data associated with wait '
'condition signals sent to the handle.'),
cache_mode=attributes.Schema.CACHE_NONE,
type=attributes.Schema.STRING
),
}
def _validate_handle_url(self):
handle_url = self.properties[self.HANDLE]
handle_id = identifier.ResourceIdentifier.from_arn_url(handle_url)
if handle_id.tenant != self.stack.context.tenant_id:
raise ValueError(_("WaitCondition invalid Handle tenant %s") %
handle_id.tenant)
if handle_id.stack_name != self.stack.name:
raise ValueError(_("WaitCondition invalid Handle stack %s") %
handle_id.stack_name)
if handle_id.stack_id != self.stack.id:
raise ValueError(_("WaitCondition invalid Handle stack %s") %
handle_id.stack_id)
if handle_id.resource_name not in self.stack:
raise ValueError(_("WaitCondition invalid Handle %s") %
handle_id.resource_name)
if not isinstance(self.stack[handle_id.resource_name],
aws_wch.WaitConditionHandle):
raise ValueError(_("WaitCondition invalid Handle %s") %
handle_id.resource_name)
def handle_create(self):
self._validate_handle_url()
return super(WaitCondition, self).handle_create()
def resource_mapping():
return {
'AWS::CloudFormation::WaitCondition': WaitCondition,
}