Fix flake8 errors

recircle/example.py

-# This file is for testing the openstack api access
-from interface_openstack.implementation.vm.instance import OSVirtualMachineManager
-from interface_openstack.interface.vm.resources import BlockDeviceMapping, Flavor
-import openstack
-import os
-# from interface_openstack.implementation.network.OpenstackFloatingIPManager import OpenstackFloatingIPManager
-# from interface_openstack.implementation.network.OpenstackNetworkManager import OpenstackNetworkManager
-# from interface_openstack.implementation.network.OpenstackPortManager import OpenstackPortManager
-# from interface_openstack.implementation.network.OpenstackRouterManager import OpenstackRouterManager
-# from interface_openstack.implementation.network.OpenstackSubnetManager import OpenstackSubnetManager
-
-# openstack.enable_logging(debug=True)
-
-CONNECTION = {
-    "auth_url":  os.getenv("OS_AUTH_URL"),
-    "project_id":  os.getenv("OS_PROJECT_ID"),
-    "project_name":  os.getenv("OS_PROJECT_NAME"),
-    "user_domain_name":  os.getenv("OS_USER_DOMAIN_NAME", "Default"),
-    "user_domain_id":  os.getenv("OS_USER_DOMAIN_ID", "default"),
-    "project_domain_id":  os.getenv("OS_PROJECT_DOMAIN_ID", "default"),
-    "username":  os.getenv("OS_USERNAME"),
-    "password":  os.getenv("OS_PASSWORD"),
-    "region_name":  os.getenv("OS_REGION_NAME"),
-    "interface":  os.getenv("OS_INTERFACE"),
-    "identity_api_version":  os.getenv("OS_IDENTITY_API_VERSION"),
-}
-
-block_dev_map = BlockDeviceMapping(
-    boot_index=0,
-    uuid="da51253f-867c-472d-8ce0-81e7b7126d60",
-    source_type="image",
-    volume_size=10,
-    destination_type="volume",
-    delete_on_termination=True,
-    disk_bus="scsi"
-)
-networks = [{"uuid": "c03d0d4b-413e-4cc6-9ebe-c0b5ca0dac3a"}]
-
-interface = OSVirtualMachineManager(CONNECTION)
-print('#'*40)
-
-# interface.create_vm_from_template('new_server', resource, "cirros-0.4.0-x86_64-disk")
-# interface.stop_vm('a6bc504f-a422-4492-b429-e5dad2df12f4')
-# server = interface.openstack.compute.get_server("8e94c162-f8ed-4872-b9e5-50bf33040b5b")
-#
-# print(server)
-# print(interface.delete_flavor("flavorTest"))
-
-for flavor in interface.list_flavors():
-    print(flavor.JSON())
-
-for vm in interface.list_all_vm():
-    print(vm.JSON())
-print("*" * 50)
-
-# print(interface.create_base_vm("BaseTest", "2", networks, block_dev_map).JSON())
-
-print("*********TEST SERVER**********")
-# print(interface.get_vm("dd529142-9836-4f36-8288-8fc2c62ed185").JSON())
-#
-# print(interface.openstack.get_server("dd529142-9836-4f36-8288-8fc2c62ed185"))
-
-
-print(interface.create_vm_from_template(name="Print test",
-                                                 flavor="84",
-                                                 networks=[{"uuid": "c7f81071-49e3-47af-8235-99d21997e238"}],
-                                                 image="04451eac-7017-4f6c-a2ea-897c6dd3db04",
-                                                 ))
-
-# print("*********TEST SUSPEND**********")
-# interface.suspend_vm("fb91a363-e23b-4fb6-8770-357509b753da")
-#
-# interface.detach_volume("8e94c162-f8ed-4872-b9e5-50bf33040b5b",
-#                        "83d4f11a-f6a8-4f50-8a95-8f5016604780")
-
-# print(interface.convert_server_to_instance(server).JSON())
-
-# print(interface.openstack.compute.get_server("8e94c162-f8ed-4872-b9e5-50bf33040b5b"))
-
-# print(server.JSON())
-
-# print(interface.get_vnc_console("8e94c162-f8ed-4872-b9e5-50bf33040b5b"))
-
-# print(interface.convert_server_to_instance(server))
-
-# print(interface.get_vnc_console("New test"))
-
-# interface.create_template("New test", "test_template")
-# interface.create_vm_from_template("test_template", resource, [{"uuid": "c03d0d4b-413e-4cc6-9ebe-c0b5ca0dac3a"}])
-# interface.resize_vm(server, resource)
-# interface.reboot_vm(server.id)
-
-# interface.reset_vm(server.id)
-
-# interface.suspend_vm(server.id)
-
-# interface.wake_up_vm(server.id)
-
-# interface.destroy_vm(server.id)
-
-# ==============================================================================
-# Network test
-# ==============================================================================
-
-# os = openstack.connect(cloud='openstack')
-#
-# router_manager = OpenstackRouterManager(os)
-# network_manager = OpenstackNetworkManager(os)
-# subnet_manager = OpenstackSubnetManager(os)
-# port_manager = OpenstackPortManager(os)
-# floating_ip_manager = OpenstackFloatingIPManager(os)
-#
-# '''
-#     Network setup steps:
-#         - Create inner network
-#         - Create subnet for inner network
-#         - Create router
-#         - Add public network to router as gateway
-#         - Add inner subnet to router as interface
-#         - Add interface (or port?) to vm
-#         - Get the port of the vm
-#         - Create floating ip to public network
-#         - Associate floating ip and vm port
-# '''
-#
-# #router = router_manager.create()
-# router = router_manager.get('3ee87bcd-b1b5-4e14-86a1-ce691bd3e5a2')
-#
-# print('Router:')
-# print('\t%s' % router)
-#
-# #network = network_manager.create()
-# public_network = network_manager.get('3b349c93-8b2c-4abd-b8ce-22b7db4cca98')
-# inner_network = network_manager.get('8df0d7ab-7d56-4496-aca0-317af66b3ebc')
-#
-# print('Network:')
-# print('\tPublic: %s' % public_network)
-# print('\tInner: %s' % inner_network)
-#
-# #subnet = subnet_manager.create(network.id, 4, '10.34.0.0/16')
-# public_subnet = subnet_manager.get('8a7e05f8-6358-48f7-9104-990d350425a0')
-# # create(inner_network.id, 4, '10.0.0.0/24')
-# inner_subnet = subnet_manager.get('34911571-c929-4433-b4e6-305fcb585a91')
-#
-# print('Subnet:')
-# print('\tPublic: %s' % public_subnet)
-# print('\tInner: %s' % inner_subnet)
-#
-# vm_port = port_manager.get('85202d6d-7aa0-44bc-a5eb-78b0519066c5')  # inner
-#
-# print('Port:')
-# print('\tVM: %s' % vm_port)
-#
-# #floating_ip = floating_ip_manager.create(public_network.id)
-# floating_ip = floating_ip_manager.get('fe1e329f-aedb-4b3e-a649-9fec8eb3ece5')
-#
-# print('Floating IP:')
-# print('\tFloating IP: %s' % floating_ip)
-#
-#
-# print(router_manager.add_interface(router.id, inner_subnet.id)) # TODO: fix error msg
-# print(router_manager.add_gateway(router.id, public_network.id)) # TODO: fix it!
-#
-# print(floating_ip_manager.update(floating_ip.id, {
-#    'port_id': vm_port.id
-# }))

recircle/instance/views.py

 from instance.serializers import InstanceSerializer, FlavorSerializer, LeaseSerializer
 from django.http import Http404
-from django.conf import settings
 from rest_framework.viewsets import ViewSet, ModelViewSet
 from rest_framework.response import Response
 from rest_framework import status
 from rest_framework.decorators import action
 
 from template.serializers import InstanceFromTemplateSerializer
-from interface_openstack.implementation.vm.instance import (
-                                                        OSVirtualMachineManager
-                                                        )
 from instance.models import Instance, Flavor, Lease
-from instance.serializers import InstanceSerializer, FlavorSerializer
 from template.models import ImageTemplate
 from template.serializers import ImageTemplateModelSerializer