ovirt vnic network filter fix (#59727)

* init network filter fix

* add check_params

* update migratable state

* update pass through check

* update pep8 syntax

* allow remove description

* update_check change default attr for network_filter and qos

* update_check qos and network filter update

* add docs about exeption

* remove blank space

* update docs and add comments to conditions

* update comment

* update migratable var for pass_through enabled

lib/ansible/modules/cloud/ovirt/ovirt_vnic_profile.py

@@ -67,6 +67,7 @@ options:
         description:
             - "Enables passthrough to an SR-IOV-enabled host NIC."
             - "When enabled C(qos) and  C(network_filter) are automatically set to None and C(port_mirroring) to False."
+            - "Port mirroring, QoS and network filters are not supported on passthrough profiles."
         choices: ['disabled', 'enabled']
     migratable:
         description:
@@ -170,8 +171,10 @@ class EntityVnicPorfileModule(BaseModule):
         return get_id_by_name(networks_service, self.param('network'))
 
     def _get_qos_id(self):
-        qoss_service = self._get_dcs_service().service(self._get_dcs_id()).qoss_service()
-        return get_id_by_name(qoss_service, self.param('qos'))
+        if self.param('qos'):
+            qoss_service = self._get_dcs_service().service(self._get_dcs_id()).qoss_service()
+            return get_id_by_name(qoss_service, self.param('qos')) if self.param('qos') else None
+        return None
 
     def _get_network_filter_id(self):
         nf_service = self._connection.system_service().network_filters_service()
@@ -179,18 +182,21 @@ class EntityVnicPorfileModule(BaseModule):
 
     def _get_network_filter(self):
         network_filter = None
-        if self.param('network_filter'):
-            network_filter = otypes.NetworkFilter(id=self._get_network_filter_id())
-        elif self.param('network_filter') == '' or self.param('pass_through') == 'enabled':
+        # The order of these condition is necessary.
+        # When would network_filter and pass_through specified it would try to create and network_filter and fail on engine.
+        if self.param('network_filter') == '' or self.param('pass_through') == 'enabled':
             network_filter = otypes.NetworkFilter()
+        elif self.param('network_filter'):
+            network_filter = otypes.NetworkFilter(id=self._get_network_filter_id())
         return network_filter
 
     def _get_qos(self):
         qos = None
-        if self.param('qos'):
-            qos = otypes.Qos(id=self._get_qos_id())
-        elif self.param('qos') == '' or self.param('pass_through') == 'enabled':
+        # The order of these condition is necessary. When would qos and pass_through specified it would try to create and qos and fail on engine.
+        if self.param('qos') == '' or self.param('pass_through') == 'enabled':
             qos = otypes.Qos()
+        elif self.param('qos'):
+            qos = otypes.Qos(id=self._get_qos_id())
         return qos
 
     def _get_port_mirroring(self):
@@ -198,13 +204,18 @@ class EntityVnicPorfileModule(BaseModule):
             return False
         return self.param('port_mirroring')
 
+    def _get_migratable(self):
+        if self.param('migratable') is not None:
+            return self.param('migratable')
+        if self.param('pass_through') == 'enabled':
+            return True
+
     def build_entity(self):
         return otypes.VnicProfile(
             name=self.param('name'),
             network=otypes.Network(id=self._get_network_id()),
-            description=self.param('description') if self.param('description') else None,
+            description=self.param('description') if self.param('description') is not None else None,
             pass_through=otypes.VnicPassThrough(mode=otypes.VnicPassThroughMode(self.param('pass_through'))) if self.param('pass_through') else None,
-            migratable=self.param('migratable') if self.param('migratable') else None,
             custom_properties=[
                 otypes.CustomProperty(
                     name=cp.get('name'),
@@ -212,6 +223,7 @@ class EntityVnicPorfileModule(BaseModule):
                     value=str(cp.get('value')),
                 ) for cp in self.param('custom_properties') if cp
             ] if self.param('custom_properties') else None,
+            migratable=self._get_migratable(),
             qos=self._get_qos(),
             port_mirroring=self._get_port_mirroring(),
             network_filter=self._get_network_filter()
@@ -227,13 +239,14 @@ class EntityVnicPorfileModule(BaseModule):
                 return sorted(current) == sorted(passed)
             return True
 
+        pass_through = getattr(entity.pass_through.mode, 'name', None)
         return (
             check_custom_properties() and
+            self._get_network_filter_id() == getattr(entity.network_filter, 'id', None) and
+            self._get_qos_id() == getattr(entity.qos, 'id', None) and
             equal(self.param('migratable'), getattr(entity, 'migratable', None)) and
-            equal(self.param('pass_through'), getattr(entity.pass_through.mode, 'name', None)) and
+            equal(self.param('pass_through'), pass_through.lower() if pass_through else None) and
             equal(self.param('description'), entity.description) and
-            equal(self.param('network_filter'), getattr(entity.network_filter, 'name', None)) and
-            equal(self.param('qos'), getattr(entity.qos, 'name', None)) and
             equal(self.param('port_mirroring'), getattr(entity, 'port_mirroring', None))
         )
 
@@ -247,6 +260,12 @@ def get_entity(vnic_services, entitynics_module):
             return vnic
 
 
+def check_params(module):
+    if (module.params.get('port_mirroring') or module.params.get('network_filter') or module.params.get('qos'))\
+            and module.params.get('pass_through') == 'enabled':
+        module.fail_json(msg="Cannot edit VM network interface profile. 'Port Mirroring,'Qos' and 'Network Filter' are not supported on passthrough profiles.")
+
+
 def main():
     argument_spec = ovirt_full_argument_spec(
         state=dict(type='str', default='present', choices=['absent', 'present']),
@@ -267,6 +286,7 @@ def main():
 
     )
     check_sdk(module)
+    check_params(module)
     try:
         auth = module.params.pop('auth')
         connection = create_connection(auth)