New sudocmdgroup management module.

There is a new sudocmdgroup management module placed in the plugins folder:

plugins/modules/ipasudocmdgroup.py

The sudocmdgroup module allows to add or remove sudo command groups..

The sudocmdgroup module is as compatible as possible to the Ansible upstream
ipa_sudocmdgroup module, and additionally offers to ensure member presence
and absence.

Here is the documentation for the module:

  README-sudocmdgroup.md

New example playbooks have been added:

  playbooks/sudocmd/ensure-sudocmdgroup-is-absent.yml
  playbooks/sudocmd/ensure-sudocmdgroup-is-present.yml
  playbooks/sudocmd/ensure-sudocmd-is-absent-in-sudocmdgroup.yml
  playbooks/sudocmd/ensure-sudocmd-is-present-in-sudocmdgroup.yml

A test playbook is provided in:

  tests/sudocmdgroup/test_sudocmdgroup.yml

Signed-off-by: Rafael Guterres Jeffman <rjeffman@redhat.com>

README-sudocmdgroup.md

@@ -0,0 +1,137 @@
+Sudocmdgroup module
+===================
+
+Description
+-----------
+
+The sudocmdgroup module allows to ensure presence and absence of sudocmdgroups and members of sudocmdgroups.
+
+The sudocmdgroup module is as compatible as possible to the Ansible upstream `ipa_sudocmdgroup` module, but additionally offers to make sure that sudocmds are present or absent in a sudocmdgroup.
+
+
+Features
+--------
+* Sudocmdgroup management
+
+
+Supported FreeIPA Versions
+--------------------------
+
+FreeIPA versions 4.4.0 and up are supported by the ipasudocmdgroup module.
+
+
+Requirements
+------------
+
+**Controller**
+* Ansible version: 2.8+
+
+**Node**
+* Supported FreeIPA version (see above)
+
+
+Usage
+=====
+
+Example inventory file
+
+```ini
+[ipaserver]
+ipaserver.test.local
+```
+
+
+Example playbook to make sure sudocmdgroup is present:
+
+```yaml
+---
+- name: Playbook to handle sudocmdgroups
+  hosts: ipaserver
+  become: true
+
+  tasks:
+  # Ensure sudocmdgroup is present
+  - ipasudocmdgroup:
+      ipaadmin_password: MyPassword123
+      name: group01
+      description: Group of important commands
+```
+
+Example playbook to make sure that a sudo command and sudocmdgroups are present in existing sudocmdgroup:
+
+```yaml
+---
+- name: Playbook to handle sudocmdgroups
+  hosts: ipaserver
+  become: true
+
+  tasks:
+  # Ensure sudo commands are present in existing sudocmdgroup
+  - ipasudocmdgroup:
+      ipaadmin_password: MyPassword123
+      name: group01
+      sudocmd:
+      - /usr/bin/su
+      - /usr/bin/less
+      action: member
+```
+`action` controls if the sudocmdgroup or member will be handled. To add or remove members, set `action` to `member`.
+
+Example playbook to make sure that a sudo command and sudocmdgroups are absent in sudocmdgroup:
+
+```yaml
+---
+- name: Playbook to handle sudocmdgroups
+  hosts: ipaserver
+  become: true
+
+  tasks:
+  # Ensure sudocmds are absent in existing sudocmdgroup
+  - ipasudocmdgroup:
+      ipaadmin_password: MyPassword123
+      name: group01
+      sudocmd:
+      - /usr/bin/su
+      - /usr/bin/less
+      action: member
+      state: absent
+```
+
+Example playbook to make sure sudocmdgroup is absent:
+
+```yaml
+---
+- name: Playbook to handle sudocmdgroups
+  hosts: ipaserver
+  become: true
+
+  tasks:
+  # Ensure sudocmdgroup is absent
+  - ipasudocmdgroup:
+      ipaadmin_password: MyPassword123
+      name: group01
+      state: absent
+```
+
+Variables
+=========
+
+ipasudocmdgroup
+-------
+
+Variable | Description | Required
+-------- | ----------- | --------
+`ipaadmin_principal` | The admin principal is a string and defaults to `admin` | no
+`ipaadmin_password` | The admin password is a string and is required if there is no admin ticket available on the node | no
+`name` \| `cn` | The list of sudocmdgroup name strings. | no
+`description` | The sudocmdgroup description string. | no
+`nomembers` | Suppress processing of membership attributes. (bool) | no
+`sudocmd` | List of sudocmdgroup name strings assigned to this sudocmdgroup. | no
+`action` | Work on sudocmdgroup or member level. It can be on of `member` or `sudocmdgroup` and defaults to `sudocmdgroup`. | no
+`state` | The state to ensure. It can be one of `present` or `absent`, default: `present`. | no
+
+
+Authors
+=======
+
+Rafael Guterres Jeffman