Add junos_banner declartive module (#25826)

* Add junos_banner declartive module

*  junos_banner implementation
*  Integration test for junos_banner
*  Integration test for net_banner (junos)
*  Minor fixes

* Minor doc change

test/integration/targets/net_banner/tasks/main.yaml

@@ -1,2 +1,3 @@
 ---
 - { include: cli.yaml, tags: ['cli'] }
+- { include: netconf.yaml, tags: ['netconf'] }

test/integration/targets/net_banner/tasks/netconf.yaml

@@ -0,0 +1,16 @@
+---
+- name: collect all netconf test cases
+  find:
+    paths: "{{ role_path }}/tests/netconf"
+    patterns: "{{ testcase }}.yaml"
+  register: test_cases
+  delegate_to: localhost
+
+- name: set test_items
+  set_fact: test_items="{{ test_cases.files | map(attribute='path') | list }}"
+
+- name: run test case
+  include: "{{ test_case_to_run }}"
+  with_items: "{{ test_items }}"
+  loop_control:
+    loop_var: test_case_to_run

test/integration/targets/net_banner/tests/junos/basic.yaml

@@ -0,0 +1,91 @@
+---
+- debug: msg="START net_banner junos/basic.yaml"
+
+- name: setup - remove login banner
+  net_banner:
+    banner: login
+    state: absent
+    provider: "{{ netconf }}"
+
+- name: Create login banner
+  net_banner:
+    banner: login
+    text: this is my login banner
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<message>this is my login banner</message>' in result.rpc"
+
+- name: Create login banner (idempotent)
+  net_banner:
+    banner: login
+    text: this is my login banner
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"
+
+- name: delete login banner
+  net_banner:
+    banner: login
+    state: absent
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<message delete=\"delete\" />' in result.rpc"
+
+- name: setup - remove motd banner
+  net_banner:
+    banner: motd
+    state: absent
+    provider: "{{ netconf }}"
+
+- name: Create motd banner
+  junos_banner:
+    banner: motd
+    text: this is my motd banner
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- debug:
+    msg: "{{ result }}"
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<announcement>this is my motd banner</announcement>' in result.rpc"
+
+- name: Create motd banner (idempotent)
+  net_banner:
+    banner: motd
+    text: this is my motd banner
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"
+
+- name: delete motd banner
+  junos_banner:
+    banner: motd
+    state: absent
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<announcement delete=\"delete\" />' in result.rpc"

test/integration/targets/net_banner/tests/netconf/basic.yaml

@@ -0,0 +1,3 @@
+---
+- include: "{{ role_path }}/tests/junos/basic.yaml"
+  when: hostvars[inventory_hostname]['ansible_network_os'] == 'junos'