***********standard **********
* a hiera datafile node.yaml :
******************************
---
wordpress:
  mywpname.mydomaine.com:
    wproot: '/var/www/mywpname'
    wpdbhost: 'YY.YY.YY.YY'
    wpdbname: 'wp_mywpname'
    wpdbuser: 'mywp_dbusername'
    wpadminuser: 'mywp_adminuser'
    wpadminemail: 'foo@mydomain.com'
    wptitle: 'the title is to deploy wordpress with puppet'

************hiera_eyaml********
* a hiera datafile node.eyaml :
*******************************
---
wordpress:
  mywpname.mydomaine.com:
    wpdbpass: 'ENCRYPTED PASSORWD1'
    wpadminpasswd: 'ENCRYPTED PASSWORD2'

***************************
* expected merge behavior :
***************************

Found key: "wordpress" value: {
            "mywpname.mydomaine.com" => {
              "wproot" => "/var/www/mywpname",
              "wpdbhost" => "YY.YY.YY.YY",
              "wpdbname" => "wp_mywpname",
              "wpdbuser" => "mywp_dbusername",
              "wpadminuser" => "mywp_adminuser",
              "wpadminemail" => "foo@mydomain.com",
              "wptitle" => "the title is to deploy wordpress with puppet",
              "wpdbpass" => "PASSWORD1 IN CLEAR",
              "wpadminpasswd" => "PASSWORD2 IN CLEAR",
              }
            }