fix nxos_vpc_interface peer_link idempotence (#35737)

* fix peer_link idempotence

* review comment

lib/ansible/modules/network/nxos/nxos_vpc_interface.py

@@ -193,12 +193,15 @@ def get_portchannel_vpc_config(module, portchannel):
 def get_commands_to_config_vpc_interface(portchannel, delta, config_value, existing):
     commands = []
 
-    if delta.get('peer-link') is False and existing.get('peer-link') is True:
+    if not delta.get('peer-link') and existing.get('peer-link'):
-        command = 'no vpc peer-link'
         commands.append('no vpc peer-link')
         commands.insert(0, 'interface port-channel{0}'.format(portchannel))
 
-    elif delta.get('peer-link') or not existing.get('vpc'):
+    elif delta.get('peer-link') and not existing.get('peer-link'):
+        commands.append('vpc peer-link')
+        commands.insert(0, 'interface port-channel{0}'.format(portchannel))
+
+    elif delta.get('vpc') and not existing.get('vpc'):
         command = 'vpc {0}'.format(config_value)
         commands.append(command)
         commands.insert(0, 'interface port-channel{0}'.format(portchannel))

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

@@ -10,7 +10,7 @@
       state: enabled
       provider: "{{ connection }}"
 
-  - name: create port-channel
+  - name: create port-channel10
     nxos_config:
       commands:
         - interface port-channel10
@@ -18,6 +18,14 @@
       match: none
       provider: "{{ connection }}"
 
+  - name: create port-channel11
+    nxos_config:
+      commands:
+        - interface port-channel11
+        - switchport
+      match: none
+      provider: "{{ connection }}"
+
   - name: configure vpc
     nxos_vpc:
       state: present
@@ -33,7 +41,7 @@
   - name: Configure vpc port channel
     nxos_vpc_interface: &conf
       portchannel: 10
-      vpc: 100
+      vpc: 10
       provider: "{{ connection }}"
     register: result
 
@@ -49,10 +57,40 @@
       that:
         - "result.changed == false"
 
+  - name: Configure vpc port channel
+    nxos_vpc_interface: &conf1
+      portchannel: 11
+      peer_link: True
+      provider: "{{ connection }}"
+    register: result
+
+  - assert: *true
+
+  - name: "Conf Idempotence"
+    nxos_vpc_interface: *conf1
+    register: result
+
+  - assert: *false
+
+  - name: Configure vpc port channel
+    nxos_vpc_interface: &conf2
+      portchannel: 11
+      peer_link: False
+      provider: "{{ connection }}"
+    register: result
+
+  - assert: *true
+
+  - name: "Conf Idempotence"
+    nxos_vpc_interface: *conf2
+    register: result
+
+  - assert: *false
+
   - name: remove vpc port channel
     nxos_vpc_interface: &remove
       portchannel: 10
-      vpc: 100
+      vpc: 10
       state: absent
       provider: "{{ connection }}"
     register: result
@@ -82,7 +120,7 @@
   - name: remove vpc port channel
     nxos_vpc_interface:
       portchannel: 10
-      vpc: 100
+      vpc: 10
       state: absent
       provider: "{{ connection }}"
     ignore_errors: yes
@@ -91,6 +129,7 @@
     nxos_config:
       commands:
         - no interface port-channel10
+        - no interface port-channel11
       match: none
       provider: "{{ connection }}"
     ignore_errors: yes