Add debug info

Author: stevenpost

lib/puppet/provider/mongodb.rb

@@ -146,6 +146,8 @@ def self.db_ismaster
       res = mongosh_cmd(db, conn_string, 'db.isMaster().ismaster').to_s.chomp if mongoshrc_file && res =~ %r{Authentication failed}
     end
 
+    Puppet.warning("Are we on the master? #{res}")
+
     res.eql?('true')
   end