from gns3server.modules.dynamips import Router from gns3server.modules.dynamips import HypervisorManager import pytest import os @pytest.fixture(scope="module") def hypervisor_manager(request): dynamips_path = '/usr/bin/dynamips' print("\nStarting Dynamips Hypervisor: {}".format(dynamips_path)) manager = HypervisorManager(dynamips_path, "/tmp", "127.0.0.1") #manager.start_new_hypervisor() def stop(): print("\nStopping Dynamips Hypervisor") manager.stop_all_hypervisors() request.addfinalizer(stop) return manager def test_allocate_hypervisor_for_router(hypervisor_manager): hypervisor_manager.allocate_hypervisor_per_device = False # default of 1GB of RAM per hypervisor instance assert hypervisor_manager.memory_usage_limit_per_hypervisor == 1024 hypervisor = hypervisor_manager.allocate_hypervisor_for_router("c3725.image", 512) assert hypervisor.is_running() hypervisor = hypervisor_manager.allocate_hypervisor_for_router("c3725.image", 256) assert hypervisor.memory_load == 768 hypervisor = hypervisor_manager.allocate_hypervisor_for_router("c3725.image", 512) assert hypervisor.memory_load == 512 assert len(hypervisor_manager.hypervisors) == 2 def test_unallocate_hypervisor_for_router(hypervisor_manager): assert len(hypervisor_manager.hypervisors) == 2 hypervisor = hypervisor_manager.hypervisors[0] assert hypervisor.memory_load == 768 router = Router(hypervisor, "router", "c3725") # default is 128MB of RAM hypervisor_manager.unallocate_hypervisor_for_router(router) assert hypervisor.memory_load == 640 hypervisor.decrease_memory_load(512) # forces memory load down to 128 assert hypervisor.memory_load == 128 router.delete() hypervisor_manager.unallocate_hypervisor_for_router(router) # router is deleted and memory load to 0 now, one hypervisor must # have been shutdown assert len(hypervisor_manager.hypervisors) == 1