Description of problem: In environments/storage/cinder-netapp-config.yaml you find this resource mapping: resource_registry: OS::TripleO::ControllerExtraConfigPre: ../../puppet/extraconfig/pre_deploy/controller/cinder-netapp.yaml This file does not exist. Adding environments/storage/cinder-netapp-config.yaml to the plan breaks the GUI and would fail the deployment. This is the environment file for "Cinder NetApp backend". Version-Release number of selected component (if applicable): openstack-tripleo-heat-templates-8.0.2-22.el7ost.noarch How reproducible: 100% Steps to Reproduce: 1. In the GUI, add the environment "Cinder NetApp backend" 2. Switch to the "Properties" tab Actual results: Deployment parameters could not be loaded 404 Client Error: Not Found for url: https://192.168.24.2:13808/v1/AUTH_3f103b9322854540baeafbc9d73cc1bf/overcloud/puppet/extraconfig/pre_deploy/controller/cinder-netapp.yaml
Also related to https://bugzilla.redhat.com/show_bug.cgi?id=1567893 - see comment #4. There might already be a fix.
*** This bug has been marked as a duplicate of bug 1567893 ***