nxos_bgp_neighbor: Fix regex &report warnings (#28888)

* Fix over-detection of log-neighbor-as

* Report nxos warnings

* Update nxos_bgp_neighbor unit tests to test remove-private-as

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

@@ -225,7 +225,7 @@ BOOL_PARAMS = [
     'dynamic_capability',
     'low_memory_exempt',
     'suppress_4_byte_as',
-    'transport_passive_only'
+    'transport_passive_only',
 ]
 PARAM_TO_COMMAND_KEYMAP = {
     'asn': 'router bgp',
@@ -261,8 +261,8 @@ PARAM_TO_DEFAULT_KEYMAP = {
 
 def get_value(arg, config):
     command = PARAM_TO_COMMAND_KEYMAP[arg]
-    has_command = re.search(r'\s+{0}\s*$'.format(command), config, re.M)
-    has_command_value = re.search(r'(?:{0}\s)(?P<value>.*)$'.format(command), config, re.M)
+    has_command = re.search(r'^\s+{0}$'.format(command), config, re.M)
+    has_command_val = re.search(r'(?:\s+{0}\s*)(?P<value>.*)$'.format(command), config, re.M)
 
     if arg == 'dynamic_capability':
         has_no_command = re.search(r'\s+no\s{0}\s*$'.format(command), config, re.M)
@@ -276,23 +276,21 @@ def get_value(arg, config):
     elif arg == 'log_neighbor_changes':
         value = ''
         if has_command:
-            if has_command_value:
-                value = 'disable'
-            else:
             value = 'enable'
+        elif has_command_val:
+            value = 'disable'
 
     elif arg == 'remove_private_as':
         value = 'disable'
         if has_command:
-            if has_command_value:
-                value = has_command_value.group('value')
-            else:
             value = 'enable'
+        elif has_command_val:
+            value = has_command_val.group('value')
     else:
         value = ''
 
-        if has_command_value:
-            value = has_command_value.group('value')
+        if has_command_val:
+            value = has_command_val.group('value')
 
             if command in ['timers', 'password']:
                 split_value = value.split()
@@ -495,7 +493,7 @@ def main():
 
     if candidate:
         candidate = candidate.items_text()
-        load_config(module, candidate)
+        warnings.extend(load_config(module, candidate))
         result['changed'] = True
         result['commands'] = candidate
     else:

test/units/modules/network/nxos/fixtures/nxos_bgp/config.cfg

@@ -7,6 +7,8 @@ router bgp 65535
   vrf test2
     address-family ipv4 unicast
     timers bgp 1 10
+  neighbor 3.3.3.4
+    remove-private-as all
   neighbor 3.3.3.5
     address-family ipv4 unicast
       maximum-prefix 30 30

test/units/modules/network/nxos/test_nxos_bgp_neighbor.py

@@ -42,10 +42,17 @@ class TestNxosBgpNeighborModule(TestNxosModule):
         self.mock_get_config.stop()
 
     def load_fixtures(self, commands=None, device=''):
-        self.get_config.return_value = load_fixture('', 'nxos_bgp_config.cfg')
-        self.load_config.return_value = None
+        self.get_config.return_value = load_fixture('nxos_bgp', 'config.cfg')
+        self.load_config.return_value = []
 
     def test_nxos_bgp_neighbor(self):
         set_module_args(dict(asn=65535, neighbor='3.3.3.3', description='some words'))
-        result = self.execute_module(changed=True)
-        self.assertEqual(result['commands'], ['router bgp 65535', 'neighbor 3.3.3.3', 'description some words'])
+        self.execute_module(changed=True, commands=['router bgp 65535', 'neighbor 3.3.3.3', 'description some words'])
+
+    def test_nxos_bgp_neighbor_remove_private_as(self):
+        set_module_args(dict(asn=65535, neighbor='3.3.3.4', remove_private_as='all'))
+        self.execute_module(changed=False, commands=[])
+
+    def test_nxos_bgp_neighbor_remove_private_as_changed(self):
+        set_module_args(dict(asn=65535, neighbor='3.3.3.4', remove_private_as='replace-as'))
+        self.execute_module(changed=True, commands=['router bgp 65535', 'neighbor 3.3.3.4', 'remove-private-as replace-as'])