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(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 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 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)
