Ignore template res types during guideline checks
Ignore template res types during guideline checks

Global environment during registering resources also load resources from
/etc/environment.d . As result it loads two resources mapped on
templates:
- 'AWS::CloudWatch::Alarm'
- 'AWS::RDS::DBInstance'

However execute guideline checks for these resources is not possible due
to these resources use template_resource object and can not be processed
as usual *.py file.

This patch add ignoring for these two resource types.
Note: this error is not displayed on pep8 gate job due to we don't
install devstack during execution this job, but this error affects all
environments with installed devstack.

Closes-Bug: #1552194

Change-Id: I29abdfa1a4f4a17dfbcdaaf6f0c6665359bab17a

cwolferh/heat-scratch,cwolferh/heat-scratch,openstack/heat,noironetworks/heat,jasondunsmore/heat,steveb/heat,noironetworks/heat,jasondunsmore/heat,steveb/heat,openstack/heat