user { $username:
    comment => "$name",
    shell   => "$shell",
    managehome => false,
    password  => "$password",
    groups => $groups
}

$key = "${homedir}/${name}/file"

    file { $key:
    ensure => present,
    owner  => $username,
    group  => $username,
    mode   => 600,
    content => "$keyvalue",
    subscribe => User[$username],
}

require 'etc'

Etc.passwd { |user|

   Facter.add("home_#{user.name}") do
      setcode do
         user.dir
      end
   end

}

$username = "root"
$home = "home_$username"
$home_path = inline_template("<%= scope.lookupvar('::$home') %>")

file { "$home_path/test.txt":
   content => "huhu",
}

user { $username:
    comment    => "comment",
    home       => "/home/${username}",
    managehome => false,
    # ...
}

define custom_user($username, $password) {
    user { $username:
        home     => "/home/${username}",
        password => $password,
        # etc.
    }
    file { "/home/${username}":
        ensure  => directory,
        owner   => $username,
        require => User[$username],
        # etc.
    }
}

$home = {
    normal_user => '/home/normal_user',
    backup      => '/var/backup',
    mysql       => '/var/lib/mysql'
}

$home = { ... }
$default_home = '/home'

user {$username:
    home => has_key($home, $username) ? {
                true => $home[$username],
                false => "${default_home}/${username}"
            }
    # ...
}

require 'etc'

Facter.add(:home_dirs) do
  setcode do

    home_dirs = {}
    Etc.passwd { |user|
      home_dirs[user.name] = user.dir
    }

    home_dirs

  end
end

$facts['home_dirs']['some_username']