Add region_name for service_auth

Add region_name for service_auth configuration, so that we can specify
the keystone region where octavia user is created.

Change-Id: I4fc556fad4f5051a7a0272f1cb2001afa6d0b05e

manifests/service_auth.pp

@@ -31,7 +31,10 @@
 #   (optional) keystone authentication type
 #   Defaults to $::os_service_default
 #
-
+# [*region_name*]
+#   (Optional) The region in which the identity server can be found.
+#   Defaults to $::os_service_default.
+#
 class octavia::service_auth (
   $auth_url            = $::os_service_default,
   $username            = $::os_service_default,
@@ -40,6 +43,7 @@ class octavia::service_auth (
   $user_domain_name    = $::os_service_default,
   $project_domain_name = $::os_service_default,
   $auth_type           = $::os_service_default,
+  $region_name         = $::os_service_default,
 ) {
 
   include octavia::deps
@@ -52,5 +56,6 @@ class octavia::service_auth (
     'service_auth/user_domain_name'    : value => $user_domain_name;
     'service_auth/project_domain_name' : value => $project_domain_name;
     'service_auth/auth_type'           : value => $auth_type;
+    'service_auth/region_name'         : value => $region_name;
   }
 }

releasenotes/notes/add-service-auth-region_name-48573c729f77a6b7.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    The new octavia::service_auth::region_name parameter was added to specify
+    keystone region where we expect service auth indentity is created

spec/classes/octavia_service_auth_spec.rb

@@ -12,6 +12,7 @@ describe 'octavia::service_auth' do
         is_expected.to contain_octavia_config('service_auth/user_domain_name').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_octavia_config('service_auth/project_domain_name').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_octavia_config('service_auth/auth_type').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_octavia_config('service_auth/region_name').with_value('<SERVICE DEFAULT>')
       end
     end
 
@@ -24,6 +25,7 @@ describe 'octavia::service_auth' do
           :user_domain_name         => 'my_domain_name',
           :project_domain_name      => 'our_domain_name',
           :auth_type                => 'password',
+          :region_name              => 'region2',
         }
       end
 
@@ -35,6 +37,7 @@ describe 'octavia::service_auth' do
         is_expected.to contain_octavia_config('service_auth/user_domain_name').with_value('my_domain_name')
         is_expected.to contain_octavia_config('service_auth/project_domain_name').with_value('our_domain_name')
         is_expected.to contain_octavia_config('service_auth/auth_type').with_value('password')
+        is_expected.to contain_octavia_config('service_auth/region_name').with_value('region2')
       end
     end
   end