Fix nxos_vrf issues (#37092)

* fix nxos_vrf issues

* fix doc

test/integration/targets/nxos_vrf/tests/common/sanity.yaml

@@ -3,21 +3,39 @@
 - debug: msg="Using provider={{ connection.transport }}"
   when: ansible_connection == "local"
 
-- block:
-  - name: 'Setup: Delete VRF before test'
-    nxos_config:
-      lines:
-        - no vrf context ntc
-      provider: "{{ connection }}"
-    ignore_errors: yes
+- set_fact: intname1="{{ nxos_int1 }}"
+- set_fact: intname2="{{ nxos_int2 }}"
 
+- set_fact: rdnd="1:2"
+  when: (platform is not match("N35|N7K")) and ((imagetag != 'I2'))
+
+- set_fact: rdd="default"
+  when: (platform is not match("N35|N7K")) and ((imagetag != 'I2'))
+
+- set_fact: vnind="5000"
+  when: platform is not match("N35|N7K")
+
+- set_fact: vnid="default"
+  when: platform is not match("N35|N7K")
+
+- name: "Enable feature BGP"
+  nxos_feature:
+    feature: bgp
+    state: enabled
+    provider: "{{ connection }}"
+  ignore_errors: yes
+
+- block:
   - name: Ensure ntc VRF exists on switch
     nxos_vrf: &configure
       vrf: ntc
       admin_state: down
       description: testing
-      #vni: 5000
-      #rd: auto
+      vni: "{{vnind|default(omit)}}"
+      rd: "{{rdnd|default(omit)}}"
+      interfaces:
+        - "{{ intname1 }}"
+        - "{{ intname2 }}"
       provider: "{{ connection }}"
     register: result
 
@@ -33,13 +51,30 @@
       that:
         - "result.changed == false"
 
+  - pause:
+      seconds: 30
+
+  - name: Remove config
+    nxos_vrf: &remconf
+      vrf: ntc
+      admin_state: up
+      vni: "{{vnid|default(omit)}}"
+      rd: "{{rdd|default(omit)}}"
+      interfaces: default
+      provider: "{{ connection }}"
+    register: result
+
+  - assert: *true
+
+  - name: "Conf Idempotence"
+    nxos_vrf: *remconf
+    register: result
+
+  - assert: *false
+
   - name: Ensure ntc VRF does not exist on switch
     nxos_vrf: &remove
       vrf: ntc
-      admin_state: down
-      description: testing
-      #vni: 5000
-      #rd: auto
       state: absent
       provider: "{{ connection }}"
     register: result
@@ -55,11 +90,12 @@
 
   - assert: *false
 
-  - name: 'Teardown: Delete VRF after test'
-    nxos_config:
-      lines:
-        - no vrf context ntc
+  always:
+  - name: "Disable feature BGP"
+    nxos_feature:
+      feature: bgp
+      state: disabled
       provider: "{{ connection }}"
     ignore_errors: yes
 
-- debug: msg="END connection={{ ansible_connection }} nxos_vrf sanity test"
+  - debug: msg="END connection={{ ansible_connection }} nxos_vrf sanity test"