Add net_banner platform agnostic module (#25245)

* Add net_banner platform agnostic module

* Add integration tests for net_banner

* Remove default from required param

* Remove skip/python3 from net_banner aliases

lib/ansible/modules/network/net_banner.py

@@ -0,0 +1,88 @@
+#!/usr/bin/python
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+ANSIBLE_METADATA = {'metadata_version': '1.0',
+                    'status': ['preview'],
+                    'supported_by': 'community'}
+
+
+DOCUMENTATION = """
+---
+module: net_banner
+version_added: "2.4"
+author: "Ricardo Carrillo Cruz (@rcarrillocruz)"
+short_description: Manage multiline banners on network devices
+description:
+  - This will configure both login and motd banners on network devices.
+    It allows playbooks to add or remote
+    banner text from the active running configuration.
+options:
+  banner:
+    description:
+      - Specifies which banner that should be
+        configured on the remote device.
+    required: true
+    choices: ['login', 'banner']
+  text:
+    description:
+      - The banner text that should be
+        present in the remote device running configuration.  This argument
+        accepts a multiline string, with no empty lines. Requires I(state=present).
+    default: null
+  state:
+    description:
+      - Specifies whether or not the configuration is
+        present in the current devices active running configuration.
+    default: present
+    choices: ['present', 'absent']
+"""
+
+EXAMPLES = """
+- name: configure the login banner
+  net_banner:
+    banner: login
+    text: |
+      this is my login banner
+      that contains a multiline
+      string
+    state: present
+
+- name: remove the motd banner
+  net_banner:
+    banner: motd
+    state: absent
+
+- name: Configure banner from file
+  net_banner:
+    banner:  motd
+    text: "{{ lookup('file', './config_partial/raw_banner.cfg') }}"
+    state: present
+
+"""
+
+RETURN = """
+commands:
+  description: The list of configuration mode commands to send to the device
+  returned: always
+  type: list
+  sample:
+    - banner login
+    - this is my login banner
+    - that contains a multiline
+    - string
+"""