def test_reconnect(self):
# test with an inexisting connection (not cached)
with ConnectionManager(self.uri) as cm:
cm._drv = None
self.assertIsNotNone(cm.connection)
self.assertIsInstance(cm.connection, libvirt.virConnect)
# test with an existing connection (already cached)
with ConnectionManager(self.uri) as cmo:
# call version to force call to connect()
version = cmo.version
cmo._drv = None
with ConnectionManager(self.uri) as cmi:
version = cmi.version
self.assertIsNotNone(cmi.connection)
self.assertIsInstance(cmi.connection, libvirt.virConnect)
def __init__(self, connection):
self._wait_timeout = 30
self._connection = ConnectionManager(connection)
self._domain = DomainManager(connection)
super(LibVirtMachineManager, self).__init__()
def depends_on(cls, *args, **kwargs):
# singleton is based on the uri, extracted from the libvirt handler
(handler, ) = args[0]
if isinstance(handler, basestring):
handler = ConnectionManager(handler)
if isinstance(handler, ConnectionManager):
handler = handler.connection
if not isinstance(handler, libvirt.virConnect):
what = type(handler)
reason = "Invalid type for 'connection' field: {0}".format(what)
raise DomainManagerError(reason)
try:
uri = handler.getURI()
except libvirt.libvirtError as e:
reason = "unable to get domain uri from connection handle"
raise DomainManagerError(reason)
return uri
def depends_on(cls, *args, **kwargs):
# singleton is based on the uri, extracted from the libvirt handler
(handler,) = args[0]
if isinstance(handler, basestring):
handler = ConnectionManager(handler)
if isinstance(handler, ConnectionManager):
handler = handler.connection
if not isinstance(handler, libvirt.virConnect):
what = type(handler)
reason = "Invalid type for 'connection' field: {0}".format(what)
raise DomainManagerError(reason)
try:
uri = handler.getURI()
except libvirt.libvirtError as e:
reason = "unable to get domain uri from connection handle"
raise DomainManagerError(reason)
return uri
def test_connection(self):
with ConnectionManager(self.uri) as cm:
self.assertIsNotNone(cm.connection)
self.assertIsInstance(cm.connection, libvirt.virConnect)
def test_uri(self):
with ConnectionManager(self.uri) as cm:
self.assertEqual(cm.uri, self.uri)
def test_create_uri(self):
with self.assertRaises(NotImplementedError):
with ConnectionManager(self.uri) as cm:
cm.create_uri("dummy")
def test_version(self):
with ConnectionManager(self.uri) as cm:
self.assertIsNotNone(cm.version)
self.assertEqual(len(cm.version), 3)
self.assertIsInstance(cm.version, tuple)
def test_with(self):
with ConnectionManager(self.uri) as cm:
pass
def test_constructor(self):
cm = ConnectionManager(self.uri)
self.assertIsNotNone(cm)
def test_constructor_with_connection_manager(self):
with ConnectionManager(self.uri) as cm:
dm = DomainManager(cm)
self.assertIsNotNone(dm)
self.assertIsInstance(dm, DomainManager)