use autoloading for many required gems

Signed-off-by: mwrock <matt@mattwrock.com>

3 files changed, 5 insertions, 8 deletions

diff --git a/lib/chef/mixin/openssl_helper.rb b/lib/chef/mixin/openssl_helper.rb
index db422175bb..1d50523df8 100644
--- a/lib/chef/mixin/openssl_helper.rb
+++ b/lib/chef/mixin/openssl_helper.rb
@@ -14,15 +14,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+autoload :OpenSSL, "openssl"
 
 class Chef
   module Mixin
     # various helpers for use with openssl. Currently used by the openssl_* resources
     module OpenSSLHelper
-      def self.included(_base)
-        require "openssl" unless defined?(::OpenSSL)
-      end
-
       # determine the key filename from the cert filename
       # @param [String] cert_filename the path to the certfile
       # @return [String] the path to the keyfile
diff --git a/lib/chef/mixin/template.rb b/lib/chef/mixin/template.rb
index d72bfe9e3a..a369cae9e5 100644
--- a/lib/chef/mixin/template.rb
+++ b/lib/chef/mixin/template.rb
@@ -16,8 +16,8 @@
 # limitations under the License.
 #
 
-require "tempfile" unless defined?(Tempfile)
-require "erubis" unless defined?(Erubis)
+autoload :Tempfile, "tempfile"
+autoload :Erubis, "erubis"
 
 class Chef
   module Mixin
diff --git a/lib/chef/mixin/uris.rb b/lib/chef/mixin/uris.rb
index ab33c6791e..74c2af73d8 100644
--- a/lib/chef/mixin/uris.rb
+++ b/lib/chef/mixin/uris.rb
@@ -16,8 +16,8 @@
 # limitations under the License.
 #
 
-require "uri" unless defined?(URI)
-require "addressable/uri" unless defined?(Addressable::URI)
+autoload :URI, "uri"
+autoload :Addressable, "addressable/uri"
 
 class Chef
   module Mixin