Minor refactorings

Signed-off-by: Bartosz Zurkowski <zurkowski.bartosz@gmail.com>

orca/api/resources/v1/ingestor.py

@@ -12,12 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import json
-
 from flask import request
 from flask_restplus import Namespace, Resource
 
-from orca import exceptions
 from orca.common import logger
 from orca.topology import linker
 from orca.topology.alerts import elastalert

orca/common/clients/kiali/client.py

@@ -30,7 +30,8 @@ def graph_namespaces(self, namespaces, graph_type='service'):
             "/namespaces/graph", namespaces=namespace_list, graphType=graph_type)
 
     @classmethod
-    def get(cls, url="http://localhost:20001", api_prefix="/kiali/api", username=None, password=None):
+    def get(cls, url="http://localhost:20001", api_prefix="/kiali/api", username=None,
+            password=None):
         basic_auth = None
         if username and password:
             basic_auth = auth.HTTPBasicAuth(username, password)

orca/common/config.py

@@ -60,7 +60,6 @@ def parse(self, config_path):
         config_dict = file_utils.load_yaml(config_path)
         validator = cerberus.Validator(self._schema)
         is_valid = validator.validate(config_dict)
-
         if not is_valid:
             raise exceptions.ConfigParseError(errors=validator.errors)
         return dict_lib.Dict(validator.document)

orca/topology/infra/istio/matcher.py

@@ -70,6 +70,6 @@ def match_host_to_service(namespace, host, service):
     host_parts = host.split('.')
     service_name = host_parts[0]
     service_namespace = host_parts[1] if len(host_parts) > 1 else namespace
-    matched_name  = service_name == service.properties.name
+    matched_name = service_name == service.properties.name
     matched_namespace = service_namespace == service.properties.namespace
     return matched_name and matched_namespace

orca/topology/probe.py

@@ -61,10 +61,10 @@ def _initialize_linkers(self):
         return linkers
 
     def _setup_event_dispatcher(self, linkers):
-        dispatcher = linker.EventDispatcher()
+        event_dispatcher = linker.EventDispatcher()
         for linker_instance in linkers:
-            dispatcher.add_linker(linker_instance)
-        self._graph.add_listener(dispatcher)
+            event_dispatcher.add_linker(linker_instance)
+        self._graph.add_listener(event_dispatcher)
 
 
 class Probe(abc.ABC):