(#11152) Create temporary puppetconf area with empty manifests/site.pp

Without a manifests/site.pp file for Puppet to read we get rspec testing
errors. This patch creates a temporary directory and creates an empty site.pp
to avoid this.

Author: kbarber

spec/spec_helper.rb

@@ -1,6 +1,21 @@
 require 'puppet'
 require 'rspec-puppet'
+require 'tmpdir'
 
 RSpec.configure do |c|
+  c.before :each do
+    # Create a temporary puppet confdir area and temporary site.pp so
+    # when rspec-puppet runs we don't get a puppet error.
+    @puppetdir = Dir.mktmpdir("ntp")
+    manifestdir = File.join(@puppetdir, "manifests")
+    Dir.mkdir(manifestdir)
+    FileUtils.touch(File.join(manifestdir, "site.pp"))
+    Puppet[:confdir] = @puppetdir
+  end
+
+  c.after :each do
+    FileUtils.remove_entry_secure(@puppetdir)
+  end
+
   c.module_path = File.join(File.dirname(__FILE__), '../../')
 end