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SSM parameters in cloudformation (AWS::SSM::Parameter::) are not recognized and resolved (#3929)

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* Add ssm parsing support for cloudformation stacks

* Start adding unit tests for ssm parameter parsing

* Add tests for code update

* Add tests to parse ssm parameters code

* Fix black lint errors

* Fix bug.

* Need to specify region_name

* region needs to be same

* Use ssm_backends[region] instead of ssm_backend

* StringList -> string

* Linting

* check if servermode tests are on

* Typo

Co-authored-by: Bert Blommers <bblommers@users.noreply.github.com>
This commit is contained in:
Sahil Shah 2021-05-19 03:30:25 -04:00 • committed by GitHub
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18
moto/cloudformation/parsing.py
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@ -41,6 +41,7 @@ from moto.sagemaker import models as sagemaker_models # noqa
from moto.sns import models as sns_models # noqa
from moto.sqs import models as sqs_models # noqa
from moto.stepfunctions import models as stepfunctions_models # noqa
from moto.ssm import models as ssm_models, ssm_backends # noqa
# End ugly list of imports
@ -516,6 +517,23 @@ class ResourceMap(collections_abc.Mapping):
parameter_slot = parameter_slots[key]
value_type = parameter_slot.get("Type", "String")
def _parse_ssm_parameter(value, value_type):
# The Value in SSM parameters is the SSM parameter path
# we need to use ssm_backend to retreive the
# actual value from parameter store
parameter = ssm_backends[self._region_name].get_parameter(
value, False
)
actual_value = parameter.value
if value_type.find("List") > 0:
return actual_value.split(",")
return actual_value
if value_type.startswith("AWS::SSM::Parameter::"):
value = _parse_ssm_parameter(value, value_type)
if value_type == "CommaDelimitedList" or value_type.startswith("List"):
value = value.split(",")