Fix: pep8 airship-drydock-omni-test fix

Fixes for pep8 test.

Change-Id: Id2b7a187ffe56a47a184314d1a19507a78f7d88a

python/drydock_provisioner/control/health.py

@@ -96,7 +96,7 @@ class HealthCheckCombined(object):
             now = self.state_manager.get_now()
             if now is None:
                 raise Exception('None received from database for now()')
-        except Exception as ex:
+        except Exception:
             hcm = HealthCheckMessage(
                 msg='Unable to connect to database', error=True)
             health_check.add_detail_msg(msg=hcm)
@@ -110,7 +110,7 @@ class HealthCheckCombined(object):
             maas_validation.start()
             if maas_validation.task.get_status() == ActionResult.Failure:
                 raise Exception('MaaS task failure')
-        except Exception as ex:
+        except Exception:
             hcm = HealthCheckMessage(
                 msg='Unable to connect to MaaS', error=True)
             health_check.add_detail_msg(msg=hcm)

python/drydock_provisioner/control/tasks.py

@@ -328,7 +328,7 @@ class TaskResource(StatefulResource):
             subtask_errors = req.get_param_as_bool('subtaskerrors')
             try:
                 layers = int(req.params.get('layers', '0'))
-            except Exception as ex:
+            except Exception:
                 layers = 0
 
             first_task = self.get_task(req, resp, task_id, builddata)

python/drydock_provisioner/drivers/node/maasdriver/actions/node.py

@@ -320,12 +320,13 @@ class DestroyNode(BaseMaasAction):
                     # node release with erase disk will take sometime monitor it
                     attempts = 0
                     max_attempts = (
-                        config.config_mgr.conf.timeouts.destroy_node *
-                        60) // config.config_mgr.conf.maasdriver.poll_interval
+                        config.config_mgr.conf.timeouts.destroy_node
+                        * 60) // config.config_mgr.conf.maasdriver.poll_interval
 
-                    while (attempts < max_attempts and
-                           (not machine.status_name.startswith('Ready')
-                            and not machine.status_name.startswith('Failed'))):
+                    while (attempts < max_attempts
+                            and (not machine.status_name.startswith('Ready')
+                                 and not
+                                 machine.status_name.startswith('Failed'))):
                         attempts = attempts + 1
                         time.sleep(
                             config.config_mgr.conf.maasdriver.poll_interval)
@@ -373,7 +374,7 @@ class DestroyNode(BaseMaasAction):
                         # setting power type attibutes to empty string
                         # will remove them from maas BMC table
                         machine.reset_power_parameters()
-                except AttributeError as attr_er:
+                except AttributeError:
                     pass
 
                 machine.delete()
@@ -778,7 +779,7 @@ class CreateNetworkTemplate(BaseMaasAction):
                                                 ctx_type='network')
                                             vlan.update()
                                             dhcp_config_set = True
-                                        except RackControllerConflict as rack_ex:
+                                        except RackControllerConflict:
                                             msg = (
                                                 "More than two rack controllers on vlan %s, "
                                                 "skipping enabling %s." %
@@ -1207,9 +1208,10 @@ class ConfigureHardware(BaseMaasAction):
                             * 60
                         ) // config.config_mgr.conf.maasdriver.poll_interval
 
-                        while (attempts < max_attempts and
-                               (machine.status_name != 'Ready' and
-                                not machine.status_name.startswith('Failed'))):
+                        while (attempts < max_attempts
+                               and (machine.status_name != 'Ready'
+                                    and not
+                                    machine.status_name.startswith('Failed'))):
                             attempts = attempts + 1
                             time.sleep(config.config_mgr.conf.maasdriver.
                                        poll_interval)
@@ -1397,7 +1399,7 @@ class ApplyNodeNetworking(BaseMaasAction):
                         try:
                             machine.release()
                             machine.refresh()
-                        except errors.DriverError as ex:
+                        except errors.DriverError:
                             msg = (
                                 "Node %s could not be released, skipping deployment."
                                 % n.name)
@@ -2203,7 +2205,7 @@ class ApplyNodeStorage(BaseMaasAction):
                         size_str is interpreted in the context of this device
         :return size: The calculated size in bytes
         """
-        pattern = '(>?)(\d+)([mMbBgGtT%]{1,2})'
+        pattern = r'(>?)(\d+)([mMbBgGtT%]{1,2})'
         regex = re.compile(pattern)
         match = regex.match(size_str)
 
@@ -2400,8 +2402,8 @@ class DeployNode(BaseMaasAction):
 
             attempts = 0
             max_attempts = (
-                config.config_mgr.conf.timeouts.deploy_node *
-                60) // config.config_mgr.conf.maasdriver.poll_interval
+                config.config_mgr.conf.timeouts.deploy_node
+                * 60) // config.config_mgr.conf.maasdriver.poll_interval
 
             while (attempts < max_attempts
                    and (not machine.status_name.startswith('Deployed')

python/drydock_provisioner/drivers/node/maasdriver/api_client.py

@@ -93,7 +93,7 @@ class MaasRequestFactory(object):
     def test_authentication(self):
         try:
             resp = self.get('account/', op='list_authorisation_tokens')
-        except requests.Timeout as ex:
+        except requests.Timeout:
             raise errors.TransientDriverError("Timeout connection to MaaS")
         except Exception as ex:
             raise errors.PersistentDriverError(

python/drydock_provisioner/drivers/node/maasdriver/models/base.py

@@ -66,7 +66,7 @@ class ResourceBase(object):
     """
 
     def interpolate_url(self):
-        pattern = '\{([a-z_]+)\}'
+        pattern = r'\{([a-z_]+)\}'
         regex = re.compile(pattern)
         start = 0
         new_url = self.resource_url
@@ -184,7 +184,7 @@ class ResourceCollectionBase(object):
 
     def interpolate_url(self):
         """Parse URL for placeholders and replace them with current instance values."""
-        pattern = '\{([a-z_]+)\}'
+        pattern = r'\{([a-z_]+)\}'
         regex = re.compile(pattern)
         start = 0
         new_url = self.collection_url

python/drydock_provisioner/drivers/node/maasdriver/models/machine.py

@@ -624,8 +624,8 @@ class Machines(model_base.ResourceCollectionBase):
                 field = k[13:]
                 result = [
                     i for i in result if str(
-                        getattr(i, 'power_parameters', {}).get(field, None)) ==
-                    str(v)
+                        getattr(i, 'power_parameters', {}).
+                        get(field, None)) == str(v)
                 ]
             else:
                 result = [

python/drydock_provisioner/drivers/node/maasdriver/models/node_results.py

@@ -54,7 +54,7 @@ class NodeResult(model_base.ResourceBase):
         """Decode the result data from base64."""
         try:
             return base64.b64decode(self.data)
-        except binascii.Error as e:
+        except binascii.Error:
             return None
 
     def get_type_desc(self):

python/drydock_provisioner/objects/builddata.py

@@ -48,7 +48,7 @@ class BuildData(object):
                 data_element = data_element.decode('utf-8')
             elif not isinstance(data_element, str):
                 data_element = str(data_element)
-        except Exception as ex:
+        except Exception:
             raise errors.BuildDataError(
                 "Error saving build data - data_element type %s could"
                 "not be cast to string." % str(type(data_element)))

python/drydock_provisioner/objects/node.py

@@ -107,10 +107,10 @@ class BaremetalNode(drydock_provisioner.objects.hostprofile.HostProfile):
         try:
             pn = site_design.get_network(self.primary_network)
             domain = pn.dns_domain or "local"
-        except errors.DesignError as dex:
+        except errors.DesignError:
             self.logger.debug("Primary network not found, use domain 'local'.")
             domain = "local"
-        except AttributeError as aex:
+        except AttributeError:
             self.logger.debug(
                 "Primary network does not define a domain, use domain 'local'."
             )
@@ -255,8 +255,8 @@ class BaremetalNode(drydock_provisioner.objects.hostprofile.HostProfile):
         :param address: String value that is used to find the logicalname.
         :return: String value of the logicalname or the alias_name if logicalname is not found.
         """
-        nodes = xml_root.findall(".//node[businfo='" + bus_type + "@" +
-                                 address + "'].logicalname")
+        nodes = xml_root.findall(".//node[businfo='" + bus_type + "@"
+                                 + address + "'].logicalname")
         if len(nodes) >= 1 and nodes[0].text:
             if (len(nodes) > 1):
                 self.logger.info("Multiple nodes found for businfo=%s@%s" %

python/drydock_provisioner/orchestrator/actions/orchestrator.py

@@ -1118,8 +1118,8 @@ class BootactionReport(BaseAction):
                 bas = self.state_manager.get_boot_actions_for_node(n)
                 running_bas = {
                     k: v
-                    for (k, v) in bas.items() if v.get('action_status') ==
-                    hd_fields.ActionResult.Incomplete
+                    for (k, v) in bas.items() if v.
+                    get('action_status') == hd_fields.ActionResult.Incomplete
                 }
                 if len(running_bas) > 0:
                     still_running = True

python/drydock_provisioner/orchestrator/orchestrator.py

@@ -269,7 +269,7 @@ class Orchestrator(object):
                         site_design,
                         state_manager=self.state_manager,
                         resolve_aliases=resolve_aliases)
-                except Exception as ex:
+                except Exception:
                     node_failed.append(n)
                     self.logger.error(
                         "Failed to build applied model for node %s." % n.name)

python/drydock_provisioner/orchestrator/util.py

@@ -29,7 +29,7 @@ class SimpleBytes():
         :param size_str: A string representing the desired size
         :return size: The calculated size in bytes
         """
-        pattern = '(\d+)([mMbBgGtT]{1,2})'
+        pattern = r'(\d+)([mMbBgGtT]{1,2})'
         regex = re.compile(pattern)
         match = regex.match(size_str)
 

python/drydock_provisioner/orchestrator/validations/boot_storage_rational.py

@@ -51,7 +51,7 @@ class BootStorageRational(Validators):
                                 self.report_error(
                                     msg, [baremetal_node.doc_ref],
                                     "Configure a larger root volume")
-                        except errors.InvalidSizeFormat as e:
+                        except errors.InvalidSizeFormat:
                             msg = (
                                 'Root volume has an invalid size format on BaremetalNode'
                                 '%s.' % baremetal_node.name)
@@ -74,7 +74,7 @@ class BootStorageRational(Validators):
                                 self.report_error(
                                     msg, [baremetal_node.doc_ref],
                                     "Configure a larger boot volume.")
-                        except errors.InvalidSizeFormat as e:
+                        except errors.InvalidSizeFormat:
                             msg = (
                                 'Boot volume has an invalid size format on BaremetalNode '
                                 '%s.' % baremetal_node.name)

python/drydock_provisioner/orchestrator/validations/bootaction_validity.py

@@ -45,7 +45,7 @@ class BootactionPackageListValid(Validators):
 
     def __init__(self):
         super().__init__('Bootaction pkg_list Validation', 'DD4002')
-        version_fields = '(\d+:)?([a-zA-Z0-9.+~-]+)(-[a-zA-Z0-9.+~]+)'
+        version_fields = r'(\d+:)?([a-zA-Z0-9.+~-]+)(-[a-zA-Z0-9.+~]+)'
         self.version_fields = re.compile(version_fields)
 
     def run_validation(self, site_design, orchestrator=None):

python/drydock_provisioner/orchestrator/validations/network_trunking_rational.py

@@ -30,8 +30,8 @@ class NetworkTrunkingRational(Validators):
         for network_link in network_link_list:
             allowed_networks = network_link.allowed_networks
             # if allowed networks > 1 trunking must be enabled
-            if (len(allowed_networks) > 1 and network_link.trunk_mode ==
-                    hd_fields.NetworkLinkTrunkingMode.Disabled):
+            if (len(allowed_networks) > 1 and network_link.
+                    trunk_mode == hd_fields.NetworkLinkTrunkingMode.Disabled):
                 msg = ('If there is more than 1 allowed network,'
                        'trunking mode must be enabled')
                 self.report_error(

python/drydock_provisioner/statemgmt/design/resolver.py

@@ -117,7 +117,7 @@ class ReferenceResolver(object):
         :param design_uri: Tuple as returned by urllib.parse for the design reference
         """
         ks_sess = KeystoneUtils.get_session()
-        (new_scheme, foo) = re.subn('^[^+]+\+', '', design_uri.scheme)
+        (new_scheme, foo) = re.subn(r'^[^+]+\+', '', design_uri.scheme)
         url = urllib.parse.urlunparse(
             (new_scheme, design_uri.netloc, design_uri.path, design_uri.params,
              design_uri.query, design_uri.fragment))

python/drydock_provisioner/statemgmt/state.py

@@ -110,9 +110,9 @@ class DrydockState(object):
         """
         query_text = sql.text(
             "SELECT * FROM tasks WHERE "  # nosec no strings are user-sourced
-            "parent_task_id = :parent_task_id AND "
-            "status IN ('" + hd_fields.TaskStatus.Terminated + "','" +
-            hd_fields.TaskStatus.Complete + "')")
+            "parent_task_id = :parent_task_id AND status "
+            "IN ('" + hd_fields.TaskStatus.Terminated + "','"
+            + hd_fields.TaskStatus.Complete + "')")
         return self._query_subtasks(task_id, query_text,
                                     "Error querying complete subtask: %s")
 
@@ -126,9 +126,9 @@ class DrydockState(object):
         """
         query_text = sql.text(
             "SELECT * FROM tasks WHERE "  # nosec no strings are user-sourced
-            "parent_task_id = :parent_task_id AND "
-            "status NOT IN ['" + hd_fields.TaskStatus.Terminated + "','" +
-            hd_fields.TaskStatus.Complete + "']")
+            "parent_task_id = :parent_task_id AND status "
+            "NOT IN ['" + hd_fields.TaskStatus.Terminated + "','"
+            + hd_fields.TaskStatus.Complete + "']")
         return self._query_subtasks(task_id, query_text,
                                     "Error querying active subtask: %s")
 

python/tests/unit/test_api_tasks_unit.py

@@ -43,13 +43,13 @@ class TestTasksApiUnit(object):
         try:
             response_json['build_data']
             key_error = False
-        except KeyError as ex:
+        except KeyError:
             key_error = True
         assert key_error
         try:
             response_json['subtask_errors']
             key_error = False
-        except KeyError as ex:
+        except KeyError:
             key_error = True
         assert key_error
 
@@ -95,7 +95,7 @@ class TestTasksApiUnit(object):
         try:
             response_json['subtask_errors']
             key_error = False
-        except KeyError as ex:
+        except KeyError:
             key_error = True
         assert key_error
 
@@ -132,7 +132,7 @@ class TestTasksApiUnit(object):
         try:
             response_json['11111111-1111-1111-1111-111111111116']
             key_error = False
-        except KeyError as ex:
+        except KeyError:
             key_error = True
         assert key_error
 
@@ -156,13 +156,13 @@ class TestTasksApiUnit(object):
         try:
             response_json['11111111-1111-1111-1111-111111111116']
             key_error = False
-        except KeyError as ex:
+        except KeyError:
             key_error = True
         assert key_error is False
         try:
             response_json['subtask_errors']
             key_error = False
-        except KeyError as ex:
+        except KeyError:
             key_error = True
         assert key_error
 
@@ -186,7 +186,7 @@ class TestTasksApiUnit(object):
         try:
             response_json['11111111-1111-1111-1111-111111111116']
             key_error = False
-        except KeyError as ex:
+        except KeyError:
             key_error = True
         assert key_error is False
         assert response_json['subtask_errors'][

python/tests/unit/test_validation_rule_mtu_rational.py

@@ -54,7 +54,7 @@ class TestMtu(object):
         validator = MtuRational()
         message_list = validator.execute(site_design, orchestrator=orch)
 
-        regex = re.compile('MTU must be between \d+ and \d+')
+        regex = re.compile(r'MTU must be between \d+ and \d+')
         regex_1 = re.compile('MTU must be <= the parent Network Link')
 
         for msg in message_list:

python/tests/unit/test_validation_rule_network_bond.py

@@ -55,8 +55,8 @@ class TestRationalNetworkLinkBond(object):
         validator = RationalNetworkBond()
         message_list = validator.execute(site_design, orchestrator=orch)
 
-        regex = re.compile('Down delay \S+ is less than mon rate \S+')
-        regex_1 = re.compile('Up delay \S+ is less than mon rate \S+')
+        regex = re.compile(r'Down delay \S+ is less than mon rate \S+')
+        regex_1 = re.compile(r'Up delay \S+ is less than mon rate \S+')
 
         for msg in message_list:
             msg = msg.to_dict()

python/tests/unit/test_validation_rule_unique_network.py

@@ -56,10 +56,10 @@ class TestUniqueNetwork(object):
         message_list = validator.execute(site_design, orchestrator=orch)
 
         regex = re.compile(
-            'Allowed network .+ duplicated on NetworkLink .+ and NetworkLink .+'
+            r'Allowed network .+ duplicated on NetworkLink .+ and NetworkLink .+'
         )
         regex_1 = re.compile(
-            'Interface \S+ attached to network \S+ not allowed on interface link'
+            r'Interface \S+ attached to network \S+ not allowed on interface link'
         )
 
         assert len(message_list) >= 2