def _destroy_machine(provider_id, machine_uuid, force, skip_store):
"""Destroy a machine.
"""
machine = _retrieve_machine(provider_id, machine_uuid, skip_store)
if machine:
Machine.remove(machine)
manager = _retrieve_machine_manager(provider_id)
try:
manager.destroy(machine_uuid)
except MachineError:
if not force:
raise
_LOGGER.debug("Destroyed machine (%s).", machine)
def _destroy_machine(provider_id, machine_uuid, force, skip_store):
"""Destroy a machine.
"""
machine = _retrieve_machine(provider_id, machine_uuid, skip_store)
if machine:
Machine.remove(machine)
manager = _retrieve_machine_manager(provider_id)
try:
manager.destroy(machine_uuid)
except MachineError:
if not force:
raise
_LOGGER.debug("Destroyed machine (%s).", machine)
def _create_machine(provider_id, parameters, machine_group_uuid,
skip_store, wait_spawning):
"""Create a machine.
"""
manager = _retrieve_machine_manager(provider_id)
_preprocess_parameters(parameters, machine_group_uuid, manager.provider)
machines = manager.create(parameters, wait_spawning)
_LOGGER.debug("Created machine(s) (%s).", machines)
if not skip_store:
for machine in machines:
Machine.add(machine)
return [machine.as_dict() for machine in machines]
def execute(self,
provider_id,
generic_filters=None,
meta_filters=None,
skip_store=False):
"""Return information on existing machine(s).
:param provider_id: Provider's Id.
:param generic_filters: Filter returned machines by some properites
but metadata properties.
:param meta_filters: Filter returned machines by metadata properties.
:param skip_store: Proceed anyway if there is no information on
the machine in the state store. Default is False.
"""
rset = ResultSet(names=('uuid', 'provider_id', 'av_zone', 'addresses'),
types=(str, str, str, str))
if not skip_store:
if generic_filters or meta_filters:
raise _errors.ConfigurationError(
"Filters are only supported when the 'skip_store' option "
"is set.")
provider = _retrieve_provider(provider_id)
for mc in Machine.machines(provider.provider_id):
rset.append_row(
(str(mc.uuid), mc.provider_id, mc.av_zone, mc.addresses))
else:
generic_filters, meta_filters = \
_preprocess_filters(generic_filters, meta_filters)
manager = _retrieve_manager(provider_id)
for mc in manager.search_machines(generic_filters, meta_filters):
rset.append_row(
(str(mc.uuid), mc.provider_id, mc.av_zone, mc.addresses))
return CommandResult(None, results=rset)
def _check_machines_exist(provider):
"""Check whether there is a machine associated to a provider or not.
"""
for machine in Machine.machines(provider.provider_id):
raise _errors.ProviderError(
"There are machines associated to the provider (%s)." %
(provider.provider_id, ))
def _create_machine(provider_id, parameters, machine_group_uuid, skip_store,
wait_spawning):
"""Create a machine.
"""
manager = _retrieve_machine_manager(provider_id)
_preprocess_parameters(parameters, machine_group_uuid, manager.provider)
machines = manager.create(parameters, wait_spawning)
_LOGGER.debug("Created machine(s) (%s).", machines)
if not skip_store:
for machine in machines:
Machine.add(machine)
return [machine.as_dict() for machine in machines]
def test_machine(self):
"""Test creating/destroying a machine
"""
# Try to create a machine with a wrong provider.
status = self.proxy.server.create(
"Doesn't exist", IMAGE, FLAVOR
)
self.check_xmlrpc_command_result(status, has_error=True)
# Create a machine.
status = self.proxy.server.create(
PROVIDER_ID, IMAGE, FLAVOR
)
self.check_xmlrpc_command_result(status)
status = self.proxy.server.list(PROVIDER_ID)
info = self.check_xmlrpc_simple(status, {})
machine_uuid = info['uuid']
av_zone = info['av_zone']
machine = Machine.fetch(machine_uuid)
self.assertEqual(str(machine.uuid), machine_uuid)
self.assertEqual(machine.av_zone, av_zone)
# Try to remove a machine with a wrong provider
status = self.proxy.server.destroy("Don't exist", str(machine.uuid))
self.check_xmlrpc_command_result(status, has_error=True)
# Remove a machine.
status = self.proxy.server.destroy(PROVIDER_ID, machine_uuid)
self.check_xmlrpc_command_result(status)
# Try to remove a machine that does not exist.
status = self.proxy.server.destroy(PROVIDER_ID, machine_uuid)
self.check_xmlrpc_command_result(status, has_error=True)
def format_machine(self, machine):
"""Format machine data.
:param machine: Reference to a machine.
"""
addresses = json.dumps(machine.networks)
av_host = "-"
try:
av_host = getattr(machine, "OS-EXT-SRV-ATTR:hypervisor_hostname")
except AttributeError:
pass
av_zone = "-"
try:
av_zone = getattr(machine, "OS-EXT-AZ:availability_zone")
except AttributeError:
pass
new = Machine(uuid=_uuid.UUID(machine.id),
provider_id=self.provider.provider_id,
av_zone=":".join([av_zone, av_host]),
addresses=addresses
)
return new
def search(provider_id, generic_filters, meta_filters, skip_store):
"""Return information on existing machine(s).
"""
provider = _retrieve_provider(provider_id)
if not skip_store:
if generic_filters or meta_filters:
raise ConfigurationError(
"Filters are only supported when the 'skip_store' option "
"is set.")
machines = Machine.machines(provider.provider_id)
else:
generic_filters, meta_filters = \
_preprocess_filters(generic_filters, meta_filters)
manager = provider.get_provider_machine()
if issubclass(manager, AbstractDatabaseManager):
meta_filters = {}
manager = _retrieve_database_manager(provider_id)
elif issubclass(manager, AbstractMachineManager):
manager = _retrieve_machine_manager(provider_id)
machines = manager.search(generic_filters, meta_filters)
rset = ResultSet(names=('uuid', 'provider_id', 'av_zone', 'addresses'),
types=(str, str, str, str))
for machine in machines:
row = (str(machine.uuid), machine.provider_id, machine.av_zone,
machine.addresses)
rset.append_row(row)
return CommandResult(None, results=rset)
def _check_machines_exist(provider):
"""Check whether there is a machine associated to a provider or not.
"""
for machine in Machine.machines(provider.provider_id):
raise _errors.ProviderError(
"There are machines associated to the provider (%s)." %
(provider.provider_id, )
)
def search(self, generic_filters, meta_filters):
"""Return machines based on the provided filters.
"""
machine = Machine(
uuid=_uuid.uuid4(), provider_id=self.provider.provider_id,
av_zone="av_zone:host", addresses="127.0.0.1"
)
return [machine]
def create_machines(self, parameters, wait_spawning):
"""Create machines.
"""
_LOGGER.debug("Creating a machine: provider (%s), parameters (%s).",
self.provider, parameters)
machine = Machine(uuid=_uuid.uuid4(),
provider_id=self.provider.provider_id,
av_zone="av_zone:host",
addresses="127.0.0.1")
return [machine]
def _retrieve_machine(provider_id, machine_uuid, skip_store):
"""Return a machine object from an id.
"""
machine = Machine.fetch(machine_uuid)
if not machine and not skip_store:
raise MachineError("Machine (%s) does not exist." % (machine_uuid, ))
if machine and machine.provider_id != provider_id:
raise MachineError("Machine (%s) does not belong to provider (%s)." %
(machine_uuid, provider_id))
return machine
def test_properties(self):
"""Test setting/reading Machine's properties.
"""
machine = Machine(uuid=self.uuid_1,
provider_id=self.provider.provider_id,
av_zone=self.av_zone)
# Check property uuid.
self.assertEqual(machine.uuid, self.uuid_1)
# Check property provider_id.
self.assertEqual(machine.provider_id, self.provider_id)
# Check property av_zone.
self.assertEqual(machine.av_zone, self.av_zone)
def test_storage(self):
"""Test using Machine's storage.
"""
src_machine = Machine(uuid=self.uuid_1,
provider_id=self.provider.provider_id,
av_zone=self.av_zone)
Machine.add(src_machine)
dst_machine = Machine.fetch(self.uuid_1)
self.assertEqual(src_machine, dst_machine)
self.assertNotEqual(id(src_machine), id(dst_machine))
Machine.remove(src_machine)
dst_machine = Machine.fetch(self.uuid_1)
self.assertEqual(None, dst_machine)
def _retrieve_machine(provider_id, machine_uuid, skip_store):
"""Return a machine object from an id.
"""
machine = Machine.fetch(machine_uuid)
if not machine and not skip_store:
raise MachineError(
"Machine (%s) does not exist." % (machine_uuid, )
)
if machine and machine.provider_id != provider_id:
raise MachineError(
"Machine (%s) does not belong to provider (%s)." %
(machine_uuid, provider_id)
)
return machine
def test_machines(self):
"""Check machines created within a provider.
"""
machine_1 = Machine(uuid=self.uuid_1,
provider_id=self.provider.provider_id,
av_zone=self.av_zone)
Machine.add(machine_1)
machine_2 = Machine(uuid=self.uuid_2,
provider_id=self.provider.provider_id,
av_zone=self.av_zone)
Machine.add(machine_2)
ret = [ isinstance(machine, Machine) for machine in \
Machine.machines(self.provider.provider_id)
]
self.assertEqual(len(ret), 2)
self.assertTrue(all(ret))
def search(provider_id, generic_filters, meta_filters, skip_store):
"""Return information on existing machine(s).
"""
provider = _retrieve_provider(provider_id)
if not skip_store:
if generic_filters or meta_filters:
raise ConfigurationError(
"Filters are only supported when the 'skip_store' option "
"is set."
)
machines = Machine.machines(provider.provider_id)
else:
generic_filters, meta_filters = \
_preprocess_filters(generic_filters, meta_filters)
manager = provider.get_provider_machine()
if issubclass(manager, AbstractDatabaseManager):
meta_filters = {}
manager = _retrieve_database_manager(provider_id)
elif issubclass(manager, AbstractMachineManager):
manager = _retrieve_machine_manager(provider_id)
machines = manager.search(generic_filters, meta_filters)
rset = ResultSet(
names=('uuid', 'provider_id', 'av_zone', 'addresses'),
types=(str, str, str, str)
)
for machine in machines:
row = (
str(machine.uuid), machine.provider_id, machine.av_zone,
machine.addresses
)
rset.append_row(row)
return CommandResult(None, results=rset)
