Use Util::Tempfile in Chef provisioner

This also fixes some Windowsisms

plugins/provisioners/chef/provisioner/base.rb

@@ -1,7 +1,6 @@
-require 'tempfile'
+require_relative "../../../../lib/vagrant/util/presence"
-
+require_relative "../../../../lib/vagrant/util/template_renderer"
-require "vagrant/util/presence"
+require_relative "../../../../lib/vagrant/util/tempfile"
-require "vagrant/util/template_renderer"
 
 require_relative "../installer"
 
@@ -12,6 +11,7 @@ module VagrantPlugins
       # chef-solo and chef-client provisioning are stored. This is **not an actual
       # provisioner**. Instead, {ChefSolo} or {ChefServer} should be used.
       class Base < Vagrant.plugin("2", :provisioner)
+        include Vagrant::Util
         include Vagrant::Util::Presence
 
         class ChefError < Vagrant::Errors::VagrantError
@@ -118,7 +118,7 @@ module VagrantPlugins
             @machine.communicate.upload(expanded, remote_custom_config_path)
           end
 
-          config_file = Vagrant::Util::TemplateRenderer.render(template, {
+          config_file = TemplateRenderer.render(template, {
             custom_configuration: remote_custom_config_path,
             encrypted_data_bag_secret: guest_encrypted_data_bag_secret_key_path,
             environment:      @config.environment,
@@ -138,16 +138,14 @@ module VagrantPlugins
             formatter:        @config.formatter
           }.merge(template_vars))
 
-          # Create a temporary file to store the data so we
+          # Create a temporary file to store the data so we can upload it.
-          # can upload it
-          temp = Tempfile.new("vagrant")
-          temp.write(config_file)
-          temp.close
-
           remote_file = File.join(guest_provisioning_path, filename)
-          @machine.communicate.tap do |comm|
+          @machine.communicate.sudo(remove_command(remote_file), error_check: false)
-            comm.sudo("rm -f #{remote_file}", error_check: false)
+          Tempfile.create("chef-provisioner-config") do |f|
-            comm.upload(temp.path, remote_file)
+            f.write(config_file)
+            f.fsync
+            f.close
+            @machine.communicate.upload(f.path, remote_file)
           end
         end
 
@@ -160,22 +158,14 @@ module VagrantPlugins
             !@config.run_list.empty?
           json = JSON.pretty_generate(json)
 
-          # Create a temporary file to store the data so we
+          # Create a temporary file to store the data so we can upload it.
-          # can upload it
-          temp = Tempfile.new("vagrant")
-          temp.write(json)
-          temp.close
-
           remote_file = File.join(guest_provisioning_path, "dna.json")
-          @machine.communicate.tap do |comm|
+          @machine.communicate.sudo(remove_command(remote_file), error_check: false)
-            if windows?
+          Tempfile.create("chef-provisioner-config") do |f|
-              command = "if (test-path '#{remote_file}') {rm '#{remote_file}' -force -recurse}"
+            f.write(json)
-            else
+            f.fsync
-              command = "rm -f #{remote_file}"
+            f.close
-            end
+            @machine.communicate.upload(f.path, remote_file)
-
-            comm.sudo(command, error_check: false)
-            comm.upload(temp.path, remote_file)
           end
         end
 
@@ -186,29 +176,15 @@ module VagrantPlugins
           @machine.ui.info I18n.t(
             "vagrant.provisioners.chef.upload_encrypted_data_bag_secret_key")
 
-          @machine.communicate.tap do |comm|
+          @machine.communicate.sudo(remove_command(remote_file), error_check: false)
-            if windows?
+          @machine.communicate.upload(encrypted_data_bag_secret_key_path, remote_file)
-              command = "if (test-path ""#{remote_file}"") {rm ""#{remote_file}"" -force -recurse}"
-            else
-              command = "rm -f #{remote_file}"
-            end
-
-            comm.sudo(command, error_check: false)
-            comm.upload(encrypted_data_bag_secret_key_path, remote_file)
-          end
         end
 
         def delete_encrypted_data_bag_secret
           remote_file = guest_encrypted_data_bag_secret_key_path
-          if remote_file
+          return if remote_file.nil?
-            if windows?
-              command = "if (test-path ""#{remote_file}"") {rm ""#{remote_file}"" -force -recurse}"
-            else
-              command = "rm -f #{remote_file}"
-            end
 
-            @machine.communicate.sudo(command, error_check: false)
+          @machine.communicate.sudo(remove_command(remote_file), error_check: false)
-          end
         end
 
         def encrypted_data_bag_secret_key_path
@@ -258,6 +234,14 @@ module VagrantPlugins
           end
         end
 
+        def remove_command(path)
+          if windows?
+            "if (test-path ""#{path}"") {rm ""#{path}"" -force -recurse}"
+          else
+            "rm -f #{path}"
+          end
+        end
+
         def windows?
           @machine.config.vm.communicator == :winrm
         end