[openstack-dev] [heat][infra] heat-templates dsvm gate

Pavlo Shchelokovskyy pshchelokovskyy at mirantis.com
Thu Dec 3 07:50:19 UTC 2015

Hi all,

I would like to discuss how to fix and improve $subject, which targets to
validate the templates present in the repo. Current state is the following:

the gate does merely validate the "parseability" of YAML/JSON templates and
very basic check on template structure. Any other real checks as would be
actually performed in real deployment are not executed because:
- only Heat and Keystone are installed on this gate;
- for resources for any other service service-based resource exposure kicks
in early, producing "Service {name} does not have required endpoint in
service catalog for the resource type {resource}" errors,
- which are ignored by the script running the validation (to not block the
gate, bug 1492942)

Thus for example the check that properties of the resources are confirming
to the schema of a particular resource is not performed, and we might be
having faulty templates (e.g. with typos) in the repo. I hoped to fix this
with mapping all resources to OS::Heat::None, but it turned out this would
not be really helpful, as the None-resource has any property and attribute.

So I propose that heat-templates repo can configure its environment itself
by using the "post_test_hook" facilities provided and supported by gate
setup. We need that to better control the environment the tests are being
run in. In particular, I'd like to add some fake service endpoints to
Keystone, so service-based exposure is out of the validation way.

Thereby I ask Heat and Infra team to take a look at these two patches:
- [0] in heat-templates and
- [1] in project-config (depends on [0]).

Though these are simply moving couple of bash lines from project-config to
heat-templates, we want to be sure they work so that we do not break the
gate. Unfortunately I can not prove my further patches [2] are working as
it seems Depend-On does not work for referencing project-config changes.

[0] https://review.openstack.org/#/c/252515/
[1] https://review.openstack.org/#/c/252523/

Best regards,
Dr. Pavlo Shchelokovskyy
Senior Software Engineer
Mirantis Inc
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