Set enable_fernet_setup to false

Upstream patch https://review.openstack.org/#/c/389322/
sets enable_fernet_setup to true by default,
and currently in Fuel fernet keys are generated on master,
in order to unblock upstream this commit explicitly sets
enable_fernet_setup to false.

Change-Id: I4e7cbbe893da77c4f83df7f661708b2ad6e8d25b
Closes-Bug: #1635549

deployment/puppet/fuel/manifests/keystone.pp

@@ -56,6 +56,7 @@ class fuel::keystone (
     database_connection => "${db_engine}://${db_user}:${db_password}@${db_host}:${db_port}/${db_name}",
     token_expiration    => $token_expiration,
     token_provider      => 'keystone.token.providers.uuid.Provider',
+    enable_fernet_setup => false,
     default_domain      => $keystone_domain,
     service_name        => 'httpd',
     use_syslog          => true,

deployment/puppet/openstack_tasks/manifests/keystone/keystone.pp

@@ -322,6 +322,8 @@ class openstack_tasks::keystone::keystone {
       memcache_servers                   => $memcache_servers,
       token_driver                       => $token_driver,
       token_provider                     => $token_provider,
+      # Fernet keys are generated on master
+      enable_fernet_setup                => false,
       notification_driver                => $ceilometer_hash['notification_driver'],
       token_caching                      => $token_caching,
       cache_backend                      => $cache_backend,

tests/noop/spec/hosts/keystone/keystone_spec.rb

@@ -174,6 +174,11 @@ describe manifest do
       should contain_class('keystone').with('revoke_by_id' => false)
     end
 
+    it 'should declare keystone class with enable_fernet_setup set to false' do
+      # Fernet keys are generated on master
+      should contain_class('keystone').with('enable_fernet_setup' => false)
+    end
+
     it 'should configure keystone with paramters' do
       should contain_keystone_config('token/caching').with(:value => 'false')
       should contain_keystone_config('cache/enabled').with(:value => 'true')

tests/noop/spec/hosts/master/keystone_spec.rb

@@ -31,6 +31,10 @@ describe manifest do
       is_expected.to contain_class('fuel::keystone').with parameters
     end
 
+    it 'should declare keystone class with enable_fernet_setup set to false' do
+      should contain_class('keystone').with('enable_fernet_setup' => false)
+    end
+
     it {
       should contain_service('httpd').with(
         :ensure => 'running',