Updates module utils for f5 (#34660)

These module utils are a refactor of the legacy ones and, in addition,
there are several new methods and classes to support f5 modules going
forward

lib/ansible/module_utils/network/f5/iworkflow.py

@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2017 F5 Networks 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
+
+
+try:
+    from f5.iworkflow import ManagementRoot
+    from icontrol.exceptions import iControlUnexpectedHTTPError
+    HAS_F5SDK = True
+except ImportError:
+    HAS_F5SDK = False
+
+from ansible.module_utils.network.f5.common import F5BaseClient
+
+
+class F5Client(F5BaseClient):
+    @property
+    def api(self):
+        result = ManagementRoot(
+            self.params['server'],
+            self.params['user'],
+            self.params['password'],
+            port=self.params['server_port'],
+            verify=self.params['validate_certs'],
+            token='local'
+        )
+        return result