Adding guards to keystone_register

The :create_service and :create_endpoint LWRPs do not need to run if
openstack['identity']['catalog']['backend'] is set to 'templated'. Added
warnings in the README, and documented the
openstack['identity']['catalog']['backend'] attribute.

Change-Id: I27ea3a29b3ee540862c5595d186f86d6f62714ff

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 This file is used to list changes made in each version of cookbook-openstack-identity.
 
+## 8.1.1
+* Adding guard on register LWRP (:create_service) to not run if backend is 'templated'
+* Adding guard on register LWRP (:create_endpoint) to not run if backend is 'templated'
+
 ## 8.1.0
 * Add client recipe
 

README.md

@@ -99,6 +99,7 @@ Register users, tenants, roles, services and endpoints with Keystone
 - service_description: Description of service
 - service_type: Type of service to create
  - Accepted values are [ "image", "identity", "compute", "storage", "ec2", "volume", "object-store", "metering", "network", "orchestration", "cloudformation" ]
+- **NOTE:** call will be skipped if `openstack['identity']['catalog']['backend']` is set to 'templated'
 
 ### :create_endpoint Specific Attributes
 
@@ -109,6 +110,7 @@ Register users, tenants, roles, services and endpoints with Keystone
  - Default is same as endpoint_internalURL
 - service_type: Type of service to create endpoint for
  - Accepted values are [ "image", "identity", "compute", "storage", "ec2", "volume", "object-store", "metering", "network", "orchestration", "cloudformation" ]
+- **NOTE:** call will be skipped if `openstack['identity']['catalog']['backend']` is set to 'templated'
 
 ### Examples
 
@@ -251,6 +253,7 @@ Attributes
 TODO: Add DB2 support on other platforms
 * `openstack['identity']['platform']['db2_python_packages']` - Array of DB2 python packages, only available on redhat platform
 * `openstack['identity']['token']['expiration']` - Token validity time in seconds
+* `openstack['identity']['catalog']['backend']` - Storage mechanism for the keystone service catalog
 
 Testing
 =====

recipes/registration.rb

@@ -106,6 +106,7 @@ openstack_identity_register 'Register Identity Service' do
   service_description 'Keystone Identity Service'
 
   action :create_service
+  not_if { node['openstack']['identity']['catalog']['backend'] == 'templated' }
 end
 
 node.set['openstack']['identity']['adminURL'] = identity_admin_endpoint.to_s
@@ -126,6 +127,7 @@ openstack_identity_register 'Register Identity Endpoint' do
   endpoint_publicurl node['openstack']['identity']['publicURL']
 
   action :create_endpoint
+  not_if { node['openstack']['identity']['catalog']['backend'] == 'templated' }
 end
 
 node['openstack']['identity']['users'].each do |username, user_info|

spec/registration_spec.rb

@@ -158,6 +158,22 @@ describe 'openstack-identity::registration' do
     end
 
     describe 'service registration' do
+      context 'with templated catalog backend' do
+        before do
+          node.set['openstack']['identity']['catalog']['backend'] = 'templated'
+        end
+
+        it 'does not register identity service' do
+          expect(chef_run).to_not create_service_openstack_identity_register(
+            'Register Identity Service'
+          )
+        end
+      end
+
+      context 'with sql catalog backend' do
+        before do
+          node.set['openstack']['identity']['catalog']['backend'] = 'sql'
+        end
         it 'registers identity service' do
           expect(chef_run).to create_service_openstack_identity_register(
             'Register Identity Service'
@@ -168,8 +184,26 @@ describe 'openstack-identity::registration' do
           )
         end
       end
+    end
 
     describe 'endpoint registration' do
+      context 'with templated catalog backend' do
+        before do
+          node.set['openstack']['identity']['catalog']['backend'] = 'templated'
+        end
+
+        it 'does not register identity endpoint' do
+          expect(chef_run).to_not create_endpoint_openstack_identity_register(
+            'Register Identity Endpoint'
+          )
+        end
+      end
+
+      context 'with sql catalog backend' do
+        before do
+          node.set['openstack']['identity']['catalog']['backend'] = 'sql'
+        end
+
         it 'registers identity endpoint' do
           expect(chef_run).to create_endpoint_openstack_identity_register(
             'Register Identity Endpoint'
@@ -193,3 +227,4 @@ describe 'openstack-identity::registration' do
       end
     end
   end
+end