Adding hosts bulk deletion feature (#14462)

* Adding hosts bulk deletion feature

Signed-off-by: Avi Layani <alayani@redhat.com>

* fix the type of the argument

Signed-off-by: Avi Layani <alayani@redhat.com>

* fixing activity_entry tracking

Signed-off-by: Avi Layani <alayani@redhat.com>

* Revert "fixing activity_entry tracking"

This reverts commit c8eab52c2ccc5abe215d56d1704ba1157e5fbbd0.
Since the bulk_delete is not related to an inventory, only hosts which
can be from different inventories.

* get only needed vars to reduce memory consumption

Signed-off-by: Avi Layani <alayani@redhat.com>

* filtering the data to reduce memory increase the number of queries

Signed-off-by: Avi Layani <alayani@redhat.com>

* update the activity stream for inventories

Signed-off-by: Avi Layani <alayani@redhat.com>

* fix the changes dict initialiazation

Signed-off-by: Avi Layani <alayani@redhat.com>

---------

Signed-off-by: Avi Layani <alayani@redhat.com>

awx_collection/plugins/modules/bulk_host_delete.py

@@ -0,0 +1,65 @@
+#!/usr/bin/python
+# coding: utf-8 -*-
+
+# 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: bulk_host_delete
+author: "Avi Layani (@Avilir)"
+short_description: Bulk host delete in Automation Platform Controller
+description:
+    - Single-request bulk host deletion in Automation Platform Controller.
+    - Provides a way to delete many hosts at once from inventories in Controller.
+options:
+    hosts:
+      description:
+        - List of hosts id's to delete from inventory.
+      required: True
+      type: list
+      elements: int
+extends_documentation_fragment: awx.awx.auth
+'''
+
+EXAMPLES = '''
+- name: Bulk host delete
+  bulk_host_delete:
+    hosts:
+      - 1
+      - 2
+'''
+
+from ..module_utils.controller_api import ControllerAPIModule
+
+
+def main():
+    # Any additional arguments that are not fields of the item can be added here
+    argument_spec = dict(
+        hosts=dict(required=True, type='list', elements='int'),
+    )
+
+    # Create a module for ourselves
+    module = ControllerAPIModule(argument_spec=argument_spec)
+
+    # Extract our parameters
+    hosts = module.params.get('hosts')
+
+    # Delete the hosts
+    result = module.post_endpoint("bulk/host_delete", data={"hosts": hosts})
+
+    if result['status_code'] != 201:
+        module.fail_json(msg="Failed to delete hosts, see response for details", response=result)
+
+    module.json_output['changed'] = True
+
+    module.exit_json(**module.json_output)
+
+
+if __name__ == '__main__':
+    main()