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/junos_banner/defaults/main.yaml

@@ -0,0 +1,3 @@
+---
+testcase: "*"
+test_items: []

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

@@ -0,0 +1,2 @@
+---
+- { include: netconf.yaml, tags: ['netconf'] }

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

@@ -0,0 +1,14 @@
+- name: collect netconf test cases
+  find:
+    paths: "{{ role_path }}/tests/netconf"
+    patterns: "{{ testcase }}.yaml"
+  register: test_cases
+
+- 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/junos_banner/tests/netconf/basic.yaml

@@ -0,0 +1,141 @@
+---
+- debug: msg="START junos_banner netconf/basic.yaml"
+
+- name: setup - remove login banner
+  junos_banner:
+    banner: login
+    state: absent
+    provider: "{{ netconf }}"
+
+- name: Create login banner
+  junos_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)
+  junos_banner:
+    banner: login
+    text: this is my login banner
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"
+
+- name: Deactivate login banner
+  junos_banner:
+    banner: login
+    text: this is my login banner
+    state: suspend
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<message inactive=\"inactive\" />' in result.rpc"
+
+- name: Activate login banner
+  junos_banner:
+    banner: login
+    text: this is my login banner
+    state: active
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<message active=\"active\" />' in result.rpc"
+
+- name: delete login banner
+  junos_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
+  junos_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)
+  junos_banner:
+    banner: motd
+    text: this is my motd banner
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"
+
+- name: Deactivate motd banner
+  junos_banner:
+    banner: motd
+    state: suspend
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<announcement inactive=\"inactive\" />' in result.rpc"
+
+- name: Activate motd banner
+  junos_banner:
+    banner: motd
+    state: active
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<announcement active=\"active\" />' in result.rpc"
+
+- 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"