Add junos_vlan platform agnostic module (#25652)

* Add junos_vlan platform agnostic module

*  junos_vlan implementation

*  integration test for junos_vlan

* Minor fixes

* Fix Integration test failure

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

@@ -0,0 +1,80 @@
+---
+- debug: msg="START net_vlan netconf/basic.yaml"
+
+- name: setup - remove vlan
+  net_vlan:
+    vlan_id: 100
+    name: test-vlan
+    state: absent
+    provider: "{{ netconf }}"
+
+- name: Create vlan
+  net_vlan:
+    vlan_id: 100
+    name: test-vlan
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- debug:
+    msg: "{{ result }}"
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<name>test-vlan</name>' in result.rpc"
+      - "'<vlan-id>100</vlan-id>' in result.rpc"
+
+- name: Create vlan again (idempotent)
+  net_vlan:
+    vlan_id: 100
+    name: test-vlan
+    state: present
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"
+
+- name: Deactivate vlan
+  net_vlan:
+    vlan_id: 100
+    name: test-vlan
+    state: suspend
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<vlan inactive=\"inactive\">' in result.rpc"
+      - "'<name>test-vlan</name>' in result.rpc"
+
+- name: Activate vlan
+  net_vlan:
+    vlan_id: 100
+    name: test-vlan
+    state: active
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<vlan active=\"active\">' in result.rpc"
+      - "'<name>test-vlan</name>' in result.rpc"
+
+- name: Delete vlan
+  net_vlan:
+    vlan_id: 100
+    name: test-vlan
+    state: absent
+    provider: "{{ netconf }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'<vlan operation=\"delete\">' in result.rpc"
+      - "'<name>test-vlan</name>' in result.rpc"

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

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