Platform agnostic module for VRFs (#25383)

* WIP VRF platform agnostic module

* Fixed examples refering vlans instead of vrfs

* Add integration tests

test/integration/targets/net_vrf/aliases

@@ -0,0 +1 @@
+network/ci

test/integration/targets/net_vrf/defaults/main.yaml

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+---
+testcase: "*"

test/integration/targets/net_vrf/tasks/cli.yaml

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+---
+- name: collect all cli test cases
+  find:
+    paths: "{{ role_path }}/tests/cli"
+    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_vrf/tasks/main.yaml

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+---
+- { include: cli.yaml, tags: ['cli'] }

test/integration/targets/net_vrf/tests/cli/basic.yaml

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+---
+- debug: msg="START cli/set_name_servers.yaml"
+
+- include: "{{ role_path }}/tests/eos/basic.yaml"
+  when: hostvars[inventory_hostname]['ansible_network_os'] == 'eos'
+
+- debug: msg="END cli/set_name_servers.yaml"

test/integration/targets/net_vrf/tests/eos/basic.yaml

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+---
+
+- name: setup - remove vrf
+  eos_vrf:
+    name: test
+    state: absent
+    authorize: yes
+    provider: "{{ cli }}"
+
+- name: Create vrf
+  net_vrf:
+    name: test
+    rd: 1:200
+    state: present
+    authorize: yes
+    provider: "{{ cli }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'vrf definition test' in result.commands"
+      - "'rd 1:200' in result.commands"
+      # Ensure sessions contains epoc. Will fail after 18th May 2033
+      - "'ansible_1' in result.session_name"
+
+- name: Create vrf again (idempotent)
+  net_vrf:
+    name: test
+    rd: 1:200
+    state: present
+    authorize: yes
+    provider: "{{ cli }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"
+      - "result.commands | length == 0"
+      # Ensure sessions contains epoc. Will fail after 18th May 2033
+      - "result.session_name is not defined"
+
+- name: Modify rd
+  net_vrf:
+    name: test
+    rd: 1:201
+    state: present
+    authorize: yes
+    provider: "{{ cli }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'vrf definition test' in result.commands"
+      - "'rd 1:201' in result.commands"
+      # Ensure sessions contains epoc. Will fail after 18th May 2033
+      - "'ansible_1' in result.session_name"
+
+- name: Modify rd again (idempotent)
+  net_vrf:
+    name: test
+    rd: 1:201
+    state: present
+    authorize: yes
+    provider: "{{ cli }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"
+      - "result.commands | length == 0"
+      # Ensure sessions contains epoc. Will fail after 18th May 2033
+      - "result.session_name is not defined"
+
+- name: Add Ethernet2 to vrf
+  net_vrf:
+    name: test
+    rd: 1:201
+    state: present
+    authorize: yes
+    interfaces:
+      - Ethernet2
+    provider: "{{ cli }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == true"
+      - "'interface Ethernet2' in result.commands"
+      - "'vrf forwarding test' in result.commands"
+      # Ensure sessions contains epoc. Will fail after 18th May 2033
+      - "'ansible_1' in result.session_name"
+
+- name: Add Ethernet2 to vrf again (idempotent)
+  net_vrf:
+    name: test
+    rd: 1:201
+    state: present
+    authorize: yes
+    interfaces:
+      - Ethernet2
+    provider: "{{ cli }}"
+  register: result
+
+- assert:
+    that:
+      - "result.changed == false"
+      - "result.commands | length == 0"
+      # Ensure sessions contains epoc. Will fail after 18th May 2033
+      - "result.session_name is not defined"
+
+
+# FIXME add in tests for everything defined in docs
+# FIXME Test state:absent + test:
+# FIXME Without powers ensure "privileged mode required"