gistfile1.txt

/etc/puppet/hiera.yaml
---
:backends:
  - yaml
:hierarchy:
  - %{clientcert}
  - %{environment}
  - common

:yaml:
# datadir is empty here, so hiera uses its defaults:
# - /var/lib/hiera on *nix
# - %CommonAppData%\PuppetLabs\hiera\var on Windows
# When specifying a datadir, make sure the directory exists.
  #:datadir: /etc/puppet/hieradata
  :datadir: /etc/puppet/environments/%{environment}/hieradata

/etc/puppet/environments/sas/hieradata/common.yaml
accounts::users::accounts:
  abc:
    ensure: present
    home: /home/abc
    shell: /bin/bash
    uid: 10001
    gid: 10001
accounts::users::groups:
  group1:
    ensure: present
    gid: 10000

/etc/puppet/environments/sas/modules/accounts/manifests/init.pp
class accounts::users (
        $accounts,
        $groups,
)
{
        create_resources(user, $accounts)
        create_resources(group, $groups)
}

class accounts {
        include accounts::users
}

/etc/puppet/environments/sas/manifests/site.pp
import "accounts"

logs:
Apr 17 14:15:31 londtestscript01 puppet-agent[25570]: Local environment: "production" doesn't match server specified node environment "sas", switching agent to "sas".
Apr 17 14:15:33 londtestscript01 puppet-agent[25570]: Finished catalog run in 0.05 seconds