Remove signing_dir option

The signing_dir is deprecated for removel because PKI token format
is no longer supported.

Change-Id: I52d0aef39df4977eab62081b6604533db8cf1a6a
Closes-Bug: #1652700

manifests/keystone/authtoken.pp

@@ -179,10 +179,6 @@
 #  reduce performance. Only valid for PKI tokens. Integer value
 #  Defaults to $::os_service_default.
 #
-# [*signing_dir*]
-#  (Optional) Directory used to cache files related to PKI tokens.
-#  Defaults to $::os_service_default.
-#
 # [*token_cache_time*]
 #  (Optional) In order to prevent excessive effort spent validating tokens,
 #  the middleware caches previously-seen tokens for a configurable duration
@@ -223,7 +219,6 @@ class panko::keystone::authtoken(
   $memcached_servers              = $::os_service_default,
   $region_name                    = $::os_service_default,
   $revocation_cache_time          = $::os_service_default,
-  $signing_dir                    = $::os_service_default,
   $token_cache_time               = $::os_service_default,
 ) {
 
@@ -263,7 +258,6 @@ class panko::keystone::authtoken(
     memcached_servers              => $memcached_servers,
     region_name                    => $region_name,
     revocation_cache_time          => $revocation_cache_time,
-    signing_dir                    => $signing_dir,
     token_cache_time               => $token_cache_time,
   }
 }

spec/classes/panko_keystone_authtoken_spec.rb

@@ -44,7 +44,6 @@ describe 'panko::keystone::authtoken' do
         is_expected.to contain_panko_config('keystone_authtoken/memcached_servers').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_panko_config('keystone_authtoken/region_name').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_panko_config('keystone_authtoken/revocation_cache_time').with_value('<SERVICE DEFAULT>')
-        is_expected.to contain_panko_config('keystone_authtoken/signing_dir').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_panko_config('keystone_authtoken/token_cache_time').with_value('<SERVICE DEFAULT>')
       end
     end
@@ -85,7 +84,6 @@ describe 'panko::keystone::authtoken' do
           :memcached_servers                    => ['memcached01:11211','memcached02:11211'],
           :region_name                          => 'region2',
           :revocation_cache_time                => '11',
-          :signing_dir                          => '/var/cache',
           :token_cache_time                     => '301',
         })
       end
@@ -124,7 +122,6 @@ describe 'panko::keystone::authtoken' do
         is_expected.to contain_panko_config('keystone_authtoken/memcached_servers').with_value('memcached01:11211,memcached02:11211')
         is_expected.to contain_panko_config('keystone_authtoken/region_name').with_value(params[:region_name])
         is_expected.to contain_panko_config('keystone_authtoken/revocation_cache_time').with_value(params[:revocation_cache_time])
-        is_expected.to contain_panko_config('keystone_authtoken/signing_dir').with_value(params[:signing_dir])
         is_expected.to contain_panko_config('keystone_authtoken/token_cache_time').with_value(params[:token_cache_time])
       end
     end