Chef 16 updates

Depends-On: https://review.opendev.org/747557
Change-Id: I0421c776e8de8ebb1ce13fbace97856436ee2489
Signed-off-by: Lance Albertson <lance@osuosl.org>

README.rst

@@ -21,7 +21,7 @@ Requirements
 ============
 
 - Chef 15 or higher
-- Chef Workstation 0.18.3 for testing (also includes berkshelf for
+- Chef Workstation 20.8.111 for testing (also includes berkshelf for
   cookbook dependency resolution)
 
 Platform

recipes/cinder-common.rb

@@ -57,7 +57,7 @@ node.default['openstack']['block-storage']['conf_secrets']
   .[]('keystone_authtoken')['password'] =
   get_password 'service', 'openstack-block-storage'
 
-auth_url = ::URI.decode identity_endpoint.to_s
+auth_url = identity_endpoint.to_s
 
 directory '/etc/cinder' do
   group node['openstack']['block-storage']['group']

recipes/identity_registration.rb

@@ -21,14 +21,13 @@
 # limitations under the License.
 #
 
-require 'uri'
 # Make Openstack object available in Chef::Recipe
 class ::Chef::Recipe
   include ::Openstack
 end
 
 identity_endpoint = internal_endpoint 'identity'
-auth_url = ::URI.decode identity_endpoint.to_s
+auth_url = identity_endpoint.to_s
 
 interfaces = {
   public: { url: public_endpoint('block-storage') },