Update openssl cookbook

cookbooks/openssl/resources/dhparam.rb

@@ -1,10 +1,28 @@
+include OpenSSLCookbook::Helpers
 
-actions [:create]
-default_action :create
+property :name,        String, name_property: true
+property :key_length,  equal_to: [1024, 2048, 4096, 8192], default: 2048
+property :generator,   equal_to: [2, 5], default: 2
+property :owner,       String
+property :group,       String
+property :mode,        [Integer, String]
 
-attribute :name,        :kind_of => String, :name_attribute => true
-attribute :key_length,  :equal_to => [1024, 2048, 4096, 8192], :default => 2048
-attribute :generator,   :equal_to => [2, 5], :default => 2
-attribute :owner,       :kind_of => String
-attribute :group,       :kind_of => String
-attribute :mode,        :kind_of => [Integer, String]
+action :create do
+  unless dhparam_pem_valid?(new_resource.name) # ~FC023
+    converge_by("Create a dhparam file #{@new_resource}") do
+      dhparam_content = gen_dhparam(new_resource.key_length, new_resource.generator).to_pem
+
+      log "Generating #{new_resource.key_length} bit "\
+          "dhparam file at #{new_resource.name}, this may take some time"
+
+      file new_resource.name do
+        action :create
+        owner new_resource.owner
+        group new_resource.group
+        mode new_resource.mode
+        sensitive true
+        content dhparam_content
+      end
+    end
+  end
+end