fix nxos_vrrp issues (#36930)

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

@@ -49,31 +49,38 @@ options:
         description:
             - Full name of interface that is being managed for VRRP.
         required: true
+    interval:
+        description:
+            - Time interval between advertisement or 'default' keyword
+        required: false
+        default: 1
+        version_added: 2.6
     priority:
         description:
-            - VRRP priority.
+            - VRRP priority or 'default' keyword
         required: false
-        default: null
+        default: 100
     preempt:
         description:
             - Enable/Disable preempt.
         choices: ['True', 'False']
+        default: True
     vip:
         description:
-            - VRRP virtual IP address.
+            - VRRP virtual IP address or 'default' keyword
         required: false
         default: null
     authentication:
         description:
-            - Clear text authentication string.
+            - Clear text authentication string or 'default' keyword
         required: false
         default: null
     admin_state:
         description:
             - Used to enable or disable the VRRP process.
         required: false
-        choices: ['shutdown', 'no shutdown']
+        choices: ['shutdown', 'no shutdown', 'default']
-        default: no shutdown
+        default: shutdown
     state:
         description:
             - Specify desired state of the resource.
@@ -121,6 +128,14 @@ from ansible.module_utils.network.nxos.nxos import get_capabilities, nxos_argume
 from ansible.module_utils.basic import AnsibleModule
 
 
+PARAM_TO_DEFAULT_KEYMAP = {
+    'priority': '100',
+    'interval': '1',
+    'vip': '0.0.0.0',
+    'admin_state': 'shutdown',
+}
+
+
 def execute_show_command(command, module):
     if 'show run' not in command:
         output = 'json'
@@ -253,12 +268,12 @@ def get_existing_vrrp(interface, group, module, name):
 
         if parsed_vrrp['group'] == group:
             parsed_vrrp['admin_state'] = get_vrr_status(group, module, name)
-
             return parsed_vrrp
+
     return vrrp
 
 
-def get_commands_config_vrrp(delta, group):
+def get_commands_config_vrrp(delta, existing, group):
     commands = []
 
     CMDS = {
@@ -266,32 +281,34 @@ def get_commands_config_vrrp(delta, group):
         'preempt': 'preempt',
         'vip': 'address {0}',
         'interval': 'advertisement-interval {0}',
-        'auth': 'authentication text {0}'
+        'auth': 'authentication text {0}',
+        'admin_state': '{0}',
     }
 
-    vip = delta.get('vip')
+    for arg in ['vip', 'priority', 'interval', 'admin_state']:
-    priority = delta.get('priority')
+        val = delta.get(arg)
-    preempt = delta.get('preempt')
+        if val == 'default':
-    interval = delta.get('interval')
+            val = PARAM_TO_DEFAULT_KEYMAP.get(arg)
-    auth = delta.get('authentication')
+            if val != existing.get(arg):
-    admin_state = delta.get('admin_state')
+                commands.append((CMDS.get(arg)).format(val))
+        elif val:
+            commands.append((CMDS.get(arg)).format(val))
+
+    preempt = delta.get('preempt')
+    auth = delta.get('authentication')
 
-    if vip:
-        commands.append((CMDS.get('vip')).format(vip))
-    if priority:
-        commands.append((CMDS.get('priority')).format(priority))
     if preempt:
         commands.append(CMDS.get('preempt'))
     elif preempt is False:
         commands.append('no ' + CMDS.get('preempt'))
-    if interval:
-        commands.append((CMDS.get('interval')).format(interval))
     if auth:
-        commands.append((CMDS.get('auth')).format(auth))
+        if auth != 'default':
-    if admin_state:
+            commands.append((CMDS.get('auth')).format(auth))
-        commands.append(admin_state)
+        elif existing.get('authentication'):
+            commands.append('no authentication')
 
-    commands.insert(0, 'vrrp {0}'.format(group))
+    if commands:
+        commands.insert(0, 'vrrp {0}'.format(group))
 
     return commands
 
@@ -329,12 +346,13 @@ def main():
     argument_spec = dict(
         group=dict(required=True, type='str'),
         interface=dict(required=True),
+        interval=dict(required=False, type='str'),
         priority=dict(required=False, type='str'),
         preempt=dict(required=False, type='bool'),
         vip=dict(required=False, type='str'),
         admin_state=dict(required=False, type='str',
-                         choices=['shutdown', 'no shutdown'],
+                         choices=['shutdown', 'no shutdown', 'default'],
-                         default='no shutdown'),
+                         default='shutdown'),
         authentication=dict(required=False, type='str'),
         state=dict(choices=['absent', 'present'], required=False, default='present')
     )
@@ -349,6 +367,7 @@ def main():
     interface = module.params['interface'].lower()
     group = module.params['group']
     priority = module.params['priority']
+    interval = module.params['interval']
     preempt = module.params['preempt']
     vip = module.params['vip']
     authentication = module.params['authentication']
@@ -375,7 +394,7 @@ def main():
                              'a layer 3 port first.', interface=interface)
 
     args = dict(group=group, priority=priority, preempt=preempt,
-                vip=vip, authentication=authentication,
+                vip=vip, authentication=authentication, interval=interval,
                 admin_state=admin_state)
 
     proposed = dict((k, v) for k, v in args.items() if v is not None)
@@ -389,8 +408,9 @@ def main():
         delta = dict(
             set(proposed.items()).difference(existing.items()))
         if delta:
-            command = get_commands_config_vrrp(delta, group)
+            command = get_commands_config_vrrp(delta, existing, group)
-            commands.append(command)
+            if command:
+                commands.append(command)
     elif state == 'absent':
         if existing:
             commands.append(['no vrrp {0}'.format(group)])

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

@@ -26,7 +26,7 @@
       interface: vlan10
       group: 100
       vip: 10.1.100.1
-      admin_state: shutdown
+      admin_state: 'no shutdown'
       provider: "{{ connection }}"
     register: result
 
@@ -42,13 +42,27 @@
       that:
         - "result.changed == false"
 
+  - name: Ensure vrrp group 100 is default
+    nxos_vrrp: &configure_def
+      interface: vlan10
+      group: 100
+      vip: default
+      admin_state: default
+      provider: "{{ connection }}"
+    register: result
+
+  - assert: *true
+
+  - name: "Conf Idempotence"
+    nxos_vrrp: *configure_def
+    register: result
+
+  - assert: *false
+
   - name: Ensure removal of the vrrp group config
-  # vip is required to ensure the user knows what they are removing
     nxos_vrrp: &remove
       interface: vlan10
       group: 100
-      vip: 10.1.100.1
-      admin_state: shutdown
       state: absent
       provider: "{{ connection }}"
     register: result
@@ -72,7 +86,8 @@
       interface: vlan10
       group: 100
       vip: 10.1.100.1
-      preempt: false
+      preempt: False
+      interval: 10
       priority: 130
       authentication: AUTHKEY
       provider: "{{ connection }}"
@@ -86,6 +101,26 @@
 
   - assert: *false
 
+  - name: Re-config with defaults
+    nxos_vrrp: &reconfig_def
+      interface: vlan10
+      group: 100
+      vip: default
+      preempt: True
+      interval: default
+      priority: default
+      authentication: default
+      provider: "{{ connection }}"
+    register: result
+
+  - assert: *true
+
+  - name: "Reconfig Idempotence"
+    nxos_vrrp: *reconfig_def
+    register: result
+
+  - assert: *false
+
   always:
     - name: remove vrrp
       nxos_vrrp: *remove