Enable alternative transport in os_transport_url

Change-Id: Ie6965dc5f7896587b5625e38cc758b5564e59bd4
Closes-Bug: 1651215

lib/puppet/parser/functions/os_transport_url.rb

@@ -94,6 +94,8 @@ EOS
     raise(Puppet::ParseError, 'os_transport_url(): cannot use both host and hosts.')
   end
 
+  parts[:transport] = v['transport']
+
   if v.include?('username') and (v['username'] != :undef) and (v['username'].to_s != '')
     parts[:userinfo] = URI.escape(v['username'])
     if v.include?('password') and (v['password'] != :undef) and (v['password'].to_s != '')

releasenotes/notes/os_transport-alt-transport-7cd300380ece2fc9.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - bug 1651215 The transport parameter was not being used so
+    transport was fixed value 'rabbit'

spec/functions/os_transport_url_spec.rb

@@ -262,8 +262,16 @@ describe 'os_transport_url' do
           'ssl'          => 'False',
           'query'        => { 'read_timeout' => '60' },
         }).and_return('rabbit://guest@127.0.0.1:5672/virt?read_timeout=60&ssl=0')
+    end
 
-
+    it 'with alternative transport and single host array for hosts' do
+      is_expected.to run.with_params({
+          'transport'    => 'amqp',
+          'hosts'        =>  [ '127.0.0.1' ],
+          'port'         => '5672',
+          'username'     => 'guest',
+          'password'     => 's3cr3t',
+        }).and_return('amqp://guest:s3cr3t@127.0.0.1:5672/')
     end
 
   end