def test_create_vm(self):
lm = LogManager('./test-logs')
ptm = PhysicalTopologyManager(root_dir=os.path.dirname(os.path.abspath(__file__)) + '/../..', log_manager=lm)
root_cfg = HostDef('root',
bridges={'br0': BridgeDef('br0', ip_addresses=[IP('10.0.0.240')])},
interfaces={'cmp1eth0': InterfaceDef('cmp1eth0', linked_bridge='br0')})
cmp1_cfg = HostDef('cmp1',
interfaces={'eth0': InterfaceDef('eth0', ip_addresses=[IP('10.0.0.8')])})
cmp1_icfg= ImplementationDef('cmp1', 'PTM.ComputeHost', id='1')
root_icfg = ImplementationDef('cmp1', 'PTM.RootHost')
root = RootHost('root', ptm)
cmp1 = ComputeHost(cmp1_cfg.name, ptm)
log = lm.add_file_logger('test.log', 'test')
root.set_logger(log)
cmp1.set_logger(log)
# Now configure the host with the definition and impl configs
root.config_from_ptc_def(root_cfg, root_icfg)
cmp1.config_from_ptc_def(cmp1_cfg, cmp1_icfg)
root.link_interface(root.interfaces['cmp1eth0'], cmp1, cmp1.interfaces['eth0'])
cmp1.create()
cmp1.boot()
root.net_up()
cmp1.net_up()
root.net_finalize()
cmp1.net_finalize()
vm1 = cmp1.create_vm("vm1")
vm1.create_interface('eth0', ip_list=['10.1.1.2'])
self.assertTrue('eth0' in vm1.interfaces)
vm1.create()
vm1.boot()
vm1.net_up()
vm1.net_finalize()
self.assertTrue(LinuxCLI().grep_cmd('ip netns exec vm1 ip l', 'eth0'))
vm1.net_down()
vm1.shutdown()
vm1.remove()
cmp1.net_down()
root.net_down()
cmp1.shutdown()
root.shutdown()
cmp1.remove()
def test_veth_connection_between_two_hosts(self):
lm = LogManager('./test-logs')
ptm = PhysicalTopologyManager(root_dir=os.path.dirname(os.path.abspath(__file__)) + '/../..', log_manager=lm)
h1cfg = HostDef('test1',
interfaces={'testi': InterfaceDef('testi', ['192.168.1.1'])})
i1cfg = ImplementationDef('test', 'RootHost')
h2cfg = HostDef('test2',
interfaces={'testp': InterfaceDef('testp', ['192.168.1.3'])})
i2cfg = ImplementationDef('test', 'NetNSHost')
# Host should act the same regardless of using NS or base OS
h1 = RootHost(h1cfg.name, ptm)
h2 = NetNSHost(h2cfg.name, ptm)
log = lm.add_file_logger('test.log', 'test')
h1.set_logger(log)
h2.set_logger(log)
# Now configure the host with the definition and impl configs
h1.config_from_ptc_def(h1cfg, i1cfg)
h2.config_from_ptc_def(h2cfg, i2cfg)
h1.link_interface(h1.interfaces['testi'], h2, h2.interfaces['testp'])
h1.create()
h2.create()
h1.boot()
h2.boot()
h1.net_up()
h2.net_up()
h1.net_finalize()
h2.net_finalize()
self.assertTrue(h1.cli.grep_cmd('ip l', 'testi')) # Linked interface should start and get peered
self.assertTrue(h2.cli.grep_cmd('ip l', 'testp')) # Linked interface should start and get peered
self.assertTrue(h1.cli.grep_cmd('ip a | grep testi', '192.168.1.1'))
self.assertTrue(h2.cli.grep_cmd('ip a | grep testp', '192.168.1.3'))
h1.net_down()
h2.net_down()
h2.shutdown()
h2.remove()
self.assertFalse(h1.cli.grep_cmd('ip netns', 'test2'))
h1.shutdown()
h1.remove()
class VMHostTest(unittest.TestCase):
def setUp(self):
lm = LogManager('./test-logs')
ptm = PhysicalTopologyManager(root_dir=os.path.dirname(os.path.abspath(__file__)) + '/../..', log_manager=lm)
self.hypervisor = None
self.root_host = None
root_hostcfg = HostDef('root',
interfaces={'hveth0': InterfaceDef('hveth0')})
root_host_implcfg = ImplementationDef('test', 'RootHost')
hypervisorcfg = HostDef('hv',
interfaces={'eth0': InterfaceDef('eth0', [IP('192.168.1.3')])})
hypervisor_implcfg = ImplementationDef('test', 'ComputeHost')
self.root_host = RootHost(root_hostcfg.name, ptm)
self.hypervisor = ComputeHost(hypervisorcfg.name, ptm)
log = lm.add_file_logger('test.log', 'test')
self.root_host.set_logger(log)
self.hypervisor.set_logger(log)
# Now configure the host with the definition and impl configs
self.root_host.config_from_ptc_def(root_hostcfg, root_host_implcfg)
self.hypervisor.config_from_ptc_def(hypervisorcfg, hypervisor_implcfg)
self.root_host.link_interface(self.root_host.interfaces['hveth0'],
self.hypervisor, self.hypervisor.interfaces['eth0'])
self.root_host.create()
self.hypervisor.create()
self.root_host.boot()
self.hypervisor.boot()
self.root_host.net_up()
self.hypervisor.net_up()
self.root_host.net_finalize()
self.hypervisor.net_finalize()
def dtest_create_vm(self):
vm_host = self.hypervisor.create_vm('test_vm')
self.assertIs(vm_host, self.hypervisor.get_vm('test_vm'))
vm_host.create()
vm_host.boot()
vm_host.net_up()
vm_host.net_finalize()
vm_host.shutdown()
vm_host.remove()
def dtest_create_vm_interface(self):
vm_host = self.hypervisor.create_vm('test_vm')
self.assertIs(vm_host, self.hypervisor.get_vm('test_vm'))
new_if = vm_host.create_interface('eth0', ip_list=[IP('10.50.50.3')])
self.assertTrue(vm_host.cli.grep_cmd('ip l', 'eth0'))
self.assertTrue(self.hypervisor.cli.grep_cmd('ip l', 'test_vmeth0'))
vm_host.shutdown()
vm_host.remove()
def test_packet_communication(self):
vm_host1 = self.hypervisor.create_vm('test_vm1')
try:
vm_host1.create_interface('eth0', ip_list=[IP('10.50.50.3')])
vm_host1.start_capture('lo', save_dump_file=True, save_dump_filename='tcp.vmhost.out')
ping_ret = vm_host1.ping('10.50.50.3')
vm_host1.send_tcp_packet(iface='lo', dest_ip='10.50.50.3', source_port=6015, dest_port=6055)
ret1 = vm_host1.capture_packets('lo', count=1, timeout=5)
ret2 = vm_host1.capture_packets('lo', count=1, timeout=5)
vm_host1.stop_capture('lo')
self.assertTrue(ping_ret)
self.assertEquals(1, len(ret1))
finally:
vm_host1.shutdown()
vm_host1.remove()
def tearDown(self):
self.root_host.net_down()
self.hypervisor.net_down()
self.hypervisor.shutdown()
self.root_host.shutdown()
self.hypervisor.remove()
self.root_host.remove()
LinuxCLI().cmd('ip netns del test_vm')
LinuxCLI().rm('tcp.vmhost.out')
def test_startup(self):
lm = LogManager('./test-logs')
ptm = PhysicalTopologyManager(root_dir=os.path.dirname(os.path.abspath(__file__)) + '/../..', log_manager=lm)
root_cfg = HostDef('root',
bridges={'br0': BridgeDef('br0', ip_addresses=[IP('10.0.0.240')])},
interfaces={'edge1eth0': InterfaceDef('edge1eth0', linked_bridge='br0')})
edge1_cfg = HostDef('edge1',
interfaces={'eth0': InterfaceDef('eth0', ip_addresses=[IP('10.0.0.2')])})
edge1_icfg= ImplementationDef('edge1', 'PTM.RouterHost', id='1')
root_icfg = ImplementationDef('edge1', 'PTM.RootHost')
root = RootHost('root', ptm)
edge1 = RouterHost(edge1_cfg.name, ptm)
log = lm.add_file_logger('test.log', 'test')
root.set_logger(log)
edge1.set_logger(log)
# Now configure the host with the definition and impl configs
root.config_from_ptc_def(root_cfg, root_icfg)
edge1.config_from_ptc_def(edge1_cfg, edge1_icfg)
root.link_interface(root.interfaces['edge1eth0'], edge1, edge1.interfaces['eth0'])
ptm.hosts_by_name['root'] = root
ptm.hosts_by_name['edge1'] = edge1
ptm.host_by_start_order.append(root)
ptm.host_by_start_order.append(edge1)
root.create()
edge1.create()
root.boot()
edge1.boot()
root.net_up()
edge1.net_up()
root.net_finalize()
edge1.net_finalize()
edge1.prepare_config()
start_process = ptm.unshare_control('start', edge1)
stdout, stderr = start_process.communicate()
start_process.poll()
print("Host control process output: ")
print stdout
print("Host control process error output: ")
print stderr
if start_process.returncode != 0:
raise SubprocessFailedException('Host control start failed with: ' + str(start_process.returncode))
edge1.wait_for_process_start()
bgpd_pid = LinuxCLI().read_from_file('/run/quagga.1/bgpd.pid').rstrip()
zebra_pid = LinuxCLI().read_from_file('/run/quagga.1/zebra.pid').rstrip()
self.assertTrue(bgpd_pid in LinuxCLI().get_running_pids())
self.assertTrue(zebra_pid in LinuxCLI().get_running_pids())
stop_process = ptm.unshare_control('stop', edge1)
stdout, stderr = stop_process.communicate()
stop_process.poll()
print("Host control process output: ")
print stdout
print("Host control process error output: ")
print stderr
if stop_process.returncode != 0:
raise SubprocessFailedException('Host control start failed with: ' + str(stop_process.returncode))
edge1.wait_for_process_stop()
time.sleep(1)
self.assertFalse(bgpd_pid in LinuxCLI().get_running_pids())
root.net_down()
edge1.net_down()
root.shutdown()
edge1.shutdown()
root.remove()
edge1.remove()