Add module redfish_command (#43469)

* Add module redfish_command

Communicates with Out-Of-Band Controller through Redfish APIs
Sends a command to execute an action

* Wrapped all instances of result['msg'] inside to_native()

* Added more entries to Description section

* Minor fixes for PEP8 compliance

* Update the root URI to match the DMTF specification

* Display valid Categories or Commands in case invalid value given

* Updated returned values and description

lib/ansible/modules/remote_management/redfish/redfish_command.py

@@ -0,0 +1,259 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2017-2018 Dell EMC Inc.
+# GNU General Public License v3.0+ (see LICENSE or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
+ANSIBLE_METADATA = {'status': ['preview'],
+                    'supported_by': 'community',
+                    'metadata_version': '1.1'}
+
+DOCUMENTATION = '''
+---
+module: redfish_command
+version_added: "2.7"
+short_description: Manages Out-Of-Band controllers using Redfish APIs
+description:
+  - Builds Redfish URIs locally and sends them to remote OOB controllers to
+    perform an action.
+  - Manages OOB controller ex. reboot, log management.
+  - Manages OOB controller users ex. add, remove, update.
+  - Manages system power ex. on, off, graceful and forced reboot.
+options:
+  category:
+    required: true
+    description:
+      - Category to execute on OOB controller
+  command:
+    required: true
+    description:
+      - List of commands to execute on OOB controller
+  baseuri:
+    required: true
+    description:
+      - Base URI of OOB controller
+  user:
+    required: true
+    description:
+      - User for authentication with OOB controller
+  password:
+    required: true
+    description:
+      - Password for authentication with OOB controller
+  userid:
+    required: false
+    description:
+      - ID of user to add/delete/modify
+  username:
+    required: false
+    description:
+      - name of user to add/delete/modify
+  userpswd:
+    required: false
+    description:
+      - password of user to add/delete/modify
+  userrole:
+    required: false
+    description:
+      - role of user to add/delete/modify
+  bootdevice:
+    required: false
+    description:
+      - bootdevice when setting boot configuration
+
+author: "Jose Delarosa (github: jose-delarosa)"
+'''
+
+EXAMPLES = '''
+  - name: Restart system power gracefully
+    redfish_command:
+      category: Systems
+      command: PowerGracefulRestart
+      baseuri: "{{ baseuri }}"
+      user: "{{ user }}"
+      password: "{{ password }}"
+
+  - name: Set one-time boot device to {{ bootdevice }}
+    redfish_command:
+      category: Systems
+      command: SetOneTimeBoot
+      bootdevice: "{{ bootdevice }}"
+      baseuri: "{{ baseuri }}"
+      user: "{{ user }}"
+      password: "{{ password }}"
+
+  - name: Add and enable user
+    redfish_command:
+      category: Accounts
+      command: AddUser,EnableUser
+      baseuri: "{{ baseuri }}"
+      user: "{{ user }}"
+      password: "{{ password }}"
+      userid: "{{ userid }}"
+      username: "{{ username }}"
+      userpswd: "{{ userpswd }}"
+      userrole: "{{ userrole }}"
+
+  - name: Disable and delete user
+    redfish_command:
+      category: Accounts
+      command: ["DisableUser", "DeleteUser"]
+      baseuri: "{{ baseuri }}"
+      user: "{{ user }}"
+      password: "{{ password }}"
+      userid: "{{ userid }}"
+
+  - name: Update user password
+    redfish_command:
+      category: Accounts
+      command: UpdateUserPassword
+      baseuri: "{{ baseuri }}"
+      user: "{{ user }}"
+      password: "{{ password }}"
+      userid: "{{ userid }}"
+      userpswd: "{{ userpswd }}"
+
+  - name: Clear Manager Logs
+    redfish_command:
+      category: Manager
+      command: ClearLogs
+      baseuri: "{{ baseuri }}"
+      user: "{{ user }}"
+      password: "{{ password }}"
+'''
+
+RETURN = '''
+msg:
+    description: Message with action result or error description
+    returned: always
+    type: string
+    sample: "Action was successful"
+'''
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.redfish_utils import RedfishUtils
+from ansible.module_utils._text import to_native
+
+
+# More will be added as module features are expanded
+CATEGORY_COMMANDS_ALL = {
+    "Systems": ["PowerOn", "PowerForceOff", "PowerGracefulRestart",
+                "PowerGracefulShutdown", "SetOneTimeBoot",
+                "CreateBiosConfigJob"],
+    "Accounts": ["AddUser", "EnableUser", "DeleteUser", "DisableUser",
+                 "UpdateUserRole", "UpdateUserPassword"],
+    "Manager": ["GracefulRestart", "ClearLogs"],
+}
+
+
+def main():
+    result = {}
+    module = AnsibleModule(
+        argument_spec=dict(
+            category=dict(required=True),
+            command=dict(required=True, type='list'),
+            baseuri=dict(required=True),
+            user=dict(required=True),
+            password=dict(required=True, no_log=True),
+            userid=dict(),
+            username=dict(),
+            userpswd=dict(no_log=True),
+            userrole=dict(),
+            bootdevice=dict(),
+        ),
+        supports_check_mode=False
+    )
+
+    category = module.params['category']
+    command_list = module.params['command']
+
+    # admin credentials used for authentication
+    creds = {'user': module.params['user'],
+             'pswd': module.params['password']}
+
+    # user to add/modify/delete
+    user = {'userid': module.params['userid'],
+            'username': module.params['username'],
+            'userpswd': module.params['userpswd'],
+            'userrole': module.params['userrole']}
+
+    # Build root URI
+    root_uri = "https://" + module.params['baseuri']
+    rf_uri = "/redfish/v1/"
+    rf_utils = RedfishUtils(creds, root_uri)
+
+    # Check that Category is valid
+    if category not in CATEGORY_COMMANDS_ALL:
+        module.fail_json(msg=to_native("Invalid Category '%s'. Valid Categories = %s" % (category, CATEGORY_COMMANDS_ALL.keys())))
+
+    # Check that all commands are valid
+    for cmd in command_list:
+        # Fail if even one command given is invalid
+        if cmd not in CATEGORY_COMMANDS_ALL[category]:
+            module.fail_json(msg=to_native("Invalid Command '%s'. Valid Commands = %s" % (cmd, CATEGORY_COMMANDS_ALL[category])))
+
+    # Organize by Categories / Commands
+    if category == "Accounts":
+        ACCOUNTS_COMMANDS = {
+            "AddUser": rf_utils.add_user,
+            "EnableUser": rf_utils.enable_user,
+            "DeleteUser": rf_utils.delete_user,
+            "DisableUser": rf_utils.disable_user,
+            "UpdateUserRole": rf_utils.update_user_role,
+            "UpdateUserPassword": rf_utils.update_user_password
+        }
+
+        # execute only if we find an Account service resource
+        result = rf_utils._find_accountservice_resource(rf_uri)
+        if result['ret'] is False:
+            module.fail_json(msg=to_native(result['msg']))
+
+        for command in command_list:
+            result = ACCOUNTS_COMMANDS[command](user)
+
+    elif category == "Systems":
+        # execute only if we find a System resource
+        result = rf_utils._find_systems_resource(rf_uri)
+        if result['ret'] is False:
+            module.fail_json(msg=to_native(result['msg']))
+
+        for command in command_list:
+            if "Power" in command:
+                result = rf_utils.manage_system_power(command)
+            elif command == "SetOneTimeBoot":
+                result = rf_utils.set_one_time_boot_device(module.params['bootdevice'])
+            elif command == "CreateBiosConfigJob":
+                # execute only if we find a Managers resource
+                result = rf_utils._find_managers_resource(rf_uri)
+                if result['ret'] is False:
+                    module.fail_json(msg=to_native(result['msg']))
+                result = rf_utils.create_bios_config_job()
+
+    elif category == "Manager":
+        MANAGER_COMMANDS = {
+            "GracefulRestart": rf_utils.restart_manager_gracefully,
+            "ClearLogs": rf_utils.clear_logs
+        }
+
+        # execute only if we find a Manager service resource
+        result = rf_utils._find_managers_resource(rf_uri)
+        if result['ret'] is False:
+            module.fail_json(msg=to_native(result['msg']))
+
+        for command in command_list:
+            result = MANAGER_COMMANDS[command]()
+
+    # Return data back or fail with proper message
+    if result['ret'] is True:
+        del result['ret']
+        result['changed'] = True
+        module.exit_json(changed=True, msg='Action was successful')
+    else:
+        module.fail_json(msg=to_native(result['msg']))
+
+
+if __name__ == '__main__':
+    main()