add rhel_facts, move r4e_rpm_ostree to rhel_rpm_ostree

Signed-off-by: Adam Miller <admiller@redhat.com>

plugins/modules/rhel_facts.py

@@ -0,0 +1,73 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Copyright: Red Hat Inc.
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+ANSIBLE_METADATA = {'metadata_version': '1.1',
+                    'status': ['preview'],
+                    'supported_by': 'community'}
+
+DOCUMENTATION = '''
+---
+module: rhel_facts
+version_added: 1.5.0
+short_description: Facts module to set or override RHEL specific facts
+description:
+  - Compatibility layer for using the "package" module for rpm-ostree based systems via setting the "pkg_mgr" fact correctly.
+author:
+  - Adam Miller (@maxamillion)
+requirements:
+  - rpm-ostree
+seealso:
+  - module: ansible.builtin.package
+options: {}
+'''
+
+EXAMPLES = '''
+- name: Playbook to use the package module on all RHEL footprints
+  vars:
+    ansible_facts_modules:
+      - setup # REQUIRED to be run before all custom fact modules
+      - ansible.posix.rhel_facts
+  tasks:
+    - name: Ensure packages are installed
+      ansible.builtin.package:
+        name:
+          - htop
+          - ansible
+        state: present
+'''
+
+RETURN = """
+ansible_facts:
+    description: Relevant Ansible Facts
+    returned: always
+    type: complex
+    sample: {'pkg_mgr': 'ansible.posix.rhel_facts'}
+"""
+
+import os
+import traceback
+
+from ansible.module_utils.basic import AnsibleModule
+
+def main():
+    module = AnsibleModule(
+        argument_spec=dict(),
+    )
+
+    ansible_facts = {}
+
+    # Verify that the platform is an rpm-ostree based system
+    if os.path.exists("/run/ostree-booted"):
+        ansible_facts['pkg_mgr'] = 'ansible.posix.rhel_rpm_ostree'
+
+    module.exit_json(ansible_facts, changed=False)
+
+
+if __name__ == '__main__':
+    main()

plugins/modules/rhel_rpm_ostree.py

@@ -13,7 +13,7 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
 
 DOCUMENTATION = '''
 ---
-module: r4e_rpm_ostree
+module: rhel_rpm_ostree
 version_added: 1.5.0
 short_description: Ensure packages exist in a RHEL for Edge rpm-ostree based system
 description:
@@ -52,8 +52,8 @@ notes:
 '''
 
 EXAMPLES = '''
-- name: Install htop and ansible on rpm-ostree based overlay
+- name: Ensure htop and ansible are installed on rpm-ostree based RHEL
-  ansible.posix.r4e_rpm_ostree:
+  ansible.posix.rhel_rpm_ostree:
     name:
       - htop
       - ansible