Add ibm storage module to ansible (#39960)

* Initial commit for ibm_storage ansible modules
Added modules for managing IBM Spectrum Accelerate storage systems.
Separate modules to manipulate storage entities within the systems.

* sanity checks fix

* PR sanity checks fix

* updated the review to contain only one module, one utility and doc fragment, as instructed at the core meeting.

* IBM_Storage: fixed review issues.

* IBM_Storage: fix review issues

* IBM_Storage: review issues and sanity checks

* IBM_Storage: Review and sanity fixes

* IBM_Storage: pep8 fix

* IBM_Storage: review fixes

* IBM_Storage: review issues

* IBM_storage: license fix

lib/ansible/utils/module_docs_fragments/ibm_storage.py

@@ -0,0 +1,33 @@
+#
+# Copyright (C) 2018 IBM CORPORATION
+# Author(s): Tzur Eliyahu <tzure@il.ibm.com>
+# 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
+
+
+class ModuleDocFragment(object):
+
+    # ibm_storage documentation fragment
+    DOCUMENTATION = '''
+options:
+    username:
+        description:
+            - Management user on the spectrum accelerate storage system.
+        required: True
+    password:
+        description:
+            - Password for username on the spectrum accelerate storage system.
+        required: True
+    endpoints:
+        description:
+            - The hostname or management IP of Spectrum Accelerate storage system.
+        required: True
+notes:
+  - This module requires pyxcli python library.
+    Use 'pip install pyxcli' in order to get pyxcli.
+requirements:
+  - "python >= 2.7"
+  - pyxcli
+'''