nso_verify handle leaf-list in 4.5 and identityref (#37393)

NSO verify did not handle leaf-list value verification in 4.5 and
later due to changes made for configuration writing made.

map prefix for identityref types in verification.

lib/ansible/module_utils/network/nso/nso.py

@@ -320,15 +320,16 @@ class ValueBuilder(object):
             return 'Value<path={0}, state={1}, value={2}>'.format(
                 self.path, self.state, self.value)
 
-    def __init__(self, client):
+    def __init__(self, client, mode='config'):
         self._client = client
+        self._mode = mode
         self._schema_cache = {}
         self._module_prefix_map_cache = None
         self._values = []
         self._values_dirty = False
 
     def build(self, parent, maybe_qname, value, schema=None):
-        qname, name = self._get_prefix_name(maybe_qname)
+        qname, name = self.get_prefix_name(maybe_qname)
         if name is None:
             path = parent
         else:
@@ -349,16 +350,16 @@ class ValueBuilder(object):
                     self._add_value(path, State.PRESENT, None, deps)
             else:
                 if maybe_qname is None:
-                    value_type = self._get_type(path)
+                    value_type = self.get_type(path)
                 else:
                     value_type = self._get_child_type(parent, qname)
 
                 if 'identityref' in value_type:
                     if isinstance(value, list):
                         value = [ll_v for ll_v, t_ll_v
-                                 in [self._get_prefix_name(v) for v in value]]
+                                 in [self.get_prefix_name(v) for v in value]]
                     else:
-                        value, t_value = self._get_prefix_name(value)
+                        value, t_value = self.get_prefix_name(value)
                 self._add_value(path, State.SET, value, deps)
         elif isinstance(value, dict):
             self._build_dict(path, schema, value)
@@ -440,7 +441,7 @@ class ValueBuilder(object):
     def _build_dict(self, path, schema, value):
         keys = schema.get('key', [])
         for dict_key, dict_value in value.items():
-            qname, name = self._get_prefix_name(dict_key)
+            qname, name = self.get_prefix_name(dict_key)
             if dict_key in ('__state', ) or name in keys:
                 continue
 
@@ -449,16 +450,25 @@ class ValueBuilder(object):
 
     def _build_leaf_list(self, path, schema, value):
         deps = schema.get('deps', [])
-        entry_type = self._get_type(path, schema)
-        # remove leaf list if treated as a list and then re-create the
-        # expected list entries.
-        self._add_value(path, State.ABSENT, None, deps)
+        entry_type = self.get_type(path, schema)
+
+        if self._mode == 'verify':
+            for entry in value:
+                if 'identityref' in entry_type:
+                    entry, t_entry = self.get_prefix_name(entry)
+                entry_path = '{0}{{{1}}}'.format(path, entry)
+                if not self._client.exists(entry_path):
+                    self._add_value(entry_path, State.ABSENT, None, deps)
+        else:
+            # remove leaf list if treated as a list and then re-create the
+            # expected list entries.
+            self._add_value(path, State.ABSENT, None, deps)
 
-        for entry in value:
-            if 'identityref' in entry_type:
-                entry, t_entry = self._get_prefix_name(entry)
-            entry_path = '{0}{{{1}}}'.format(path, entry)
-            self._add_value(entry_path, State.PRESENT, None, deps)
+            for entry in value:
+                if 'identityref' in entry_type:
+                    entry, t_entry = self.get_prefix_name(entry)
+                entry_path = '{0}{{{1}}}'.format(path, entry)
+                self._add_value(entry_path, State.PRESENT, None, deps)
 
     def _build_list(self, path, schema, value):
         deps = schema.get('deps', [])
@@ -490,7 +500,7 @@ class ValueBuilder(object):
 
             value_type = self._get_child_type(path, key)
             if 'identityref' in value_type:
-                value, t_value = self._get_prefix_name(value)
+                value, t_value = self.get_prefix_name(value)
             key_parts.append(self._quote_key(value))
         return ' '.join(key_parts)
 
@@ -533,7 +543,7 @@ class ValueBuilder(object):
         self._values.append(ValueBuilder.Value(path, state, value, deps))
         self._values_dirty = True
 
-    def _get_prefix_name(self, qname):
+    def get_prefix_name(self, qname):
         if not isinstance(qname, (str, unicode)):
             return qname, None
         if ':' not in qname:
@@ -556,9 +566,9 @@ class ValueBuilder(object):
         parent_schema = all_schema['data']
         meta = all_schema['meta']
         schema = self._find_child(parent_path, parent_schema, key)
-        return self._get_type(parent_path, schema, meta)
+        return self.get_type(parent_path, schema, meta)
 
-    def _get_type(self, path, schema=None, meta=None):
+    def get_type(self, path, schema=None, meta=None):
         if schema is None or meta is None:
             all_schema = self._ensure_schema_cached(path)
             schema = all_schema['data']
@@ -686,7 +696,8 @@ def verify_version_str(version_str, required_versions):
 def normalize_value(expected_value, value, key):
     if value is None:
         return None
-    if isinstance(expected_value, bool):
+    if (isinstance(expected_value, bool) and
+            isinstance(value, (str, unicode))):
         return value == 'true'
     if isinstance(expected_value, int):
         try:

lib/ansible/modules/network/nso/nso_verify.py

@@ -116,7 +116,7 @@ class NsoVerify(object):
         violations = []
 
         # build list of values from configured data
-        value_builder = ValueBuilder(self._client)
+        value_builder = ValueBuilder(self._client, 'verify')
         for key, value in self._data.items():
             value_builder.build('', key, value)
 
@@ -146,11 +146,17 @@ class NsoVerify(object):
                 n_value = normalize_value(
                     expected_value.value, value, expected_value.path)
                 if n_value != expected_value.value:
-                    violations.append({
-                        'path': expected_value.path,
-                        'expected-value': expected_value.value,
-                        'value': n_value
-                    })
+                    # if the value comparision fails, try mapping identityref
+                    value_type = value_builder.get_type(expected_value.path)
+                    if value_type is not None and 'identityref' in value_type:
+                        n_value, t_value = self.get_prefix_name(value)
+
+                    if expected_value.value != n_value:
+                        violations.append({
+                            'path': expected_value.path,
+                            'expected-value': expected_value.value,
+                            'value': n_value
+                        })
             else:
                 raise ModuleFailException(
                     'value state {0} not supported at {1}'.format(

test/units/modules/network/nso/nso_module.py

@@ -61,6 +61,10 @@ class MockResponse(object):
 
 
 def mock_call(calls, url, timeout, data=None, headers=None, method=None):
+    if len(calls) == 0:
+        raise ValueError('no call mock for method {0}({1})'.format(
+            url, data))
+
     result = calls[0]
     del calls[0]
 
@@ -99,6 +103,8 @@ class TestNsoModule(unittest.TestCase):
             self.assertEqual(result['changed'], changed, result)
 
         for key, value in kwargs.items():
+            if key not in result:
+                self.fail("{0} not in result {1}".format(key, result))
             self.assertEqual(value, result[key])
 
         return result

test/units/modules/network/nso/test_nso_verify.py

@@ -51,6 +51,7 @@ class TestNsoVerify(nso_module.TestNsoModule):
     def test_nso_verify_violation(self, open_url_mock):
         devices_schema = nso_module.load_fixture('devices_schema.json')
         device_schema = nso_module.load_fixture('device_schema.json')
+        description_schema = nso_module.load_fixture('description_schema.json')
 
         calls = [
             MockResponse('login', {}, 200, '{}', {'set-cookie': 'id'}),
@@ -61,6 +62,7 @@ class TestNsoVerify(nso_module.TestNsoModule):
             MockResponse('get_schema', {'path': '/ncs:devices/device'}, 200, '{"result": %s}' % (json.dumps(device_schema, ))),
             MockResponse('exists', {'path': '/ncs:devices/device{ce0}'}, 200, '{"result": {"exists": true}}'),
             MockResponse('get_value', {'path': '/ncs:devices/device{ce0}/description'}, 200, '{"result": {"value": "In Violation"}}'),
+            MockResponse('get_schema', {'path': '/ncs:devices/device/description'}, 200, '{"result": %s}' % (json.dumps(description_schema, ))),
             MockResponse('logout', {}, 200, '{"result": {}}'),
         ]
         open_url_mock.side_effect = lambda *args, **kwargs: nso_module.mock_call(calls, *args, **kwargs)