def delete_network_function_device(self,
device_data,
network_handler=None):
""" Delete the NFD
:param device_data: NFD
:type device_data: dict
:returns: None -- Both on success and Failure
:raises: exceptions.IncompleteData,
exceptions.ComputePolicyNotSupported
"""
if (any(key not in device_data
for key in ['service_details', 'mgmt_port_id'])
or type(device_data['service_details']) is not dict
or any(key not in device_data['service_details'] for key in
['service_vendor', 'device_type', 'network_mode'])
or type(device_data['mgmt_port_id']) is not dict or any(
key not in device_data['mgmt_port_id']
for key in ['id', 'port_classification', 'port_model'])):
raise exceptions.IncompleteData()
if (device_data['service_details']['device_type'] !=
nfp_constants.NOVA_MODE):
raise exceptions.ComputePolicyNotSupported(
compute_policy=device_data['service_details']['device_type'])
image_name = self._get_image_name(device_data)
if image_name:
self._update_vendor_data(device_data, device_data.get('token'))
token = self._get_token(device_data.get('token'))
if not token:
return None
if device_data.get('id'):
# delete the device instance
#
# this method will be invoked again
# once the device instance deletion is completed
try:
self.compute_handler_nova.delete_instance(
token, self._get_admin_tenant_id(token=token),
device_data['id'])
except Exception:
LOG.error(_LE('Failed to delete %(instance)s instance'), {
'instance':
device_data['service_details']['device_type']
})
else:
# device instance deletion is done, delete remaining resources
try:
interfaces = [device_data['mgmt_port_id']]
self._delete_interfaces(device_data,
interfaces,
network_handler=network_handler)
except Exception as e:
LOG.error(
_LE('Failed to delete the management data port(s). '
'Error: %(error)s'), {'error': e})
def unplug_network_function_device_interfaces(self,
device_data,
network_handler=None):
""" Detach the network interfaces for NFD
:param device_data: NFD
:type device_data: dict
:returns: bool -- False on failure and True on Success
:raises: exceptions.IncompleteData,
exceptions.ComputePolicyNotSupported
"""
if (any(key not in device_data
for key in ['id', 'service_details', 'ports'])
or type(device_data['service_details']) is not dict
or any(key not in device_data['service_details'] for key in
['service_vendor', 'device_type', 'network_mode']) or
any(key not in port for port in device_data['ports']
for key in ['id', 'port_classification', 'port_model'])):
raise exceptions.IncompleteData()
if (device_data['service_details']['device_type'] !=
nfp_constants.NOVA_MODE):
raise exceptions.ComputePolicyNotSupported(
compute_policy=device_data['service_details']['device_type'])
token = self._get_token(device_data.get('token'))
if not token:
return None
image_name = self._get_image_name(device_data)
provider_metadata = {}
if image_name:
provider_metadata = (self._update_provider_metadata_fast(
token, device_data['tenant_id'], image_name, device_data))
if not provider_metadata:
LOG.debug('Failed to get provider metadata for'
' device deletion.')
if provider_metadata.get('supports_hotplug') is False:
return True
with nfp_ctx_mgr.NovaContextManager.new(suppress=(Exception, )) as ncm:
for port in device_data['ports']:
port_id = self._get_port_from_pt(device_data, port['id'])
ncm.retry(self.compute_handler_nova.detach_interface, token,
device_data['tenant_id'], device_data['id'], port_id)
# Async change
self._delete_port(token, port_id)
# Async change: Delete stale l2ps
try:
self._delete_l2ps(token, device_data, network_handler)
except Exception:
pass
return True
def delete_network_function_device(self,
device_data,
network_handler=None):
""" Delete the NFD
:param device_data: NFD
:type device_data: dict
:returns: None -- Both on success and Failure
:raises: exceptions.IncompleteData,
exceptions.ComputePolicyNotSupported
"""
if (any(key not in device_data
for key in ['service_details', 'mgmt_port_id'])
or type(device_data['service_details']) is not dict
or any(key not in device_data['service_details'] for key in
['service_vendor', 'device_type', 'network_mode'])
or type(device_data['mgmt_port_id']) is not dict or any(
key not in device_data['mgmt_port_id']
for key in ['id', 'port_classification', 'port_model'])):
raise exceptions.IncompleteData()
if (device_data['service_details']['device_type'] !=
nfp_constants.NOVA_MODE):
raise exceptions.ComputePolicyNotSupported(
compute_policy=device_data['service_details']['device_type'])
token = self._get_token(device_data.get('token'))
if not token:
return None
if device_data.get('id'):
# delete the device instance
#
# this method will be invoked again
# once the device instance deletion is completed
with nfp_ctx_mgr.NovaContextManager.new(
suppress=(Exception, )) as ncm:
ncm.retry(self.compute_handler_nova.delete_instance, token,
device_data['tenant_id'], device_data['id'])
else:
# device instance deletion is done, delete remaining resources
try:
interfaces = [device_data['mgmt_port_id']]
self._delete_interfaces(device_data,
interfaces,
network_handler=network_handler)
except Exception as e:
LOG.error(
'Failed to delete the management data port(s). '
'Error: %(error)s', {'error': e})
def get_network_function_device_status(self, device_data,
ignore_failure=False):
""" Get the status of NFD
:param device_data: NFD
:type device_data: dict
:returns: None -- On failure
:return: str -- status string
:raises: exceptions.IncompleteData,
exceptions.ComputePolicyNotSupported
"""
if (
any(key not in device_data
for key in ['id',
'service_details']) or
type(device_data['service_details']) is not dict or
any(key not in device_data['service_details']
for key in ['service_vendor',
'device_type',
'network_mode'])
):
raise exceptions.IncompleteData()
if (
device_data['service_details']['device_type'] !=
nfp_constants.NOVA_MODE
):
raise exceptions.ComputePolicyNotSupported(
compute_policy=device_data['service_details']['device_type'])
token = self._get_token(device_data.get('token'))
if not token:
return None
try:
device = self.compute_handler_nova.get_instance(
device_data['token'],
device_data['tenant_id'],
device_data['id'])
except Exception:
if ignore_failure:
return None
LOG.error(_LE('Failed to get %(instance)s instance details'),
{'instance': device_data['service_details']['device_type']})
return None # TODO(RPM): should we raise an Exception here?
return device['status']
def unplug_network_function_device_interfaces(self,
device_data,
network_handler=None):
""" Detach the network interfaces for NFD
:param device_data: NFD
:type device_data: dict
:returns: bool -- False on failure and True on Success
:raises: exceptions.IncompleteData,
exceptions.ComputePolicyNotSupported
"""
if (any(key not in device_data
for key in ['id', 'service_details', 'ports'])
or type(device_data['service_details']) is not dict
or any(key not in device_data['service_details'] for key in
['service_vendor', 'device_type', 'network_mode']) or
any(key not in port for port in device_data['ports']
for key in ['id', 'port_classification', 'port_model'])):
raise exceptions.IncompleteData()
if (device_data['service_details']['device_type'] !=
nfp_constants.NOVA_MODE):
raise exceptions.ComputePolicyNotSupported(
compute_policy=device_data['service_details']['device_type'])
image_name = self._get_image_name(device_data)
if image_name:
self._update_vendor_data(device_data, device_data.get('token'))
token = self._get_token(device_data.get('token'))
if not token:
return None
try:
for port in device_data['ports']:
port_id = network_handler.get_port_id(token, port['id'])
self.compute_handler_nova.detach_interface(
token, self._get_admin_tenant_id(token=token),
device_data['id'], port_id)
except Exception as e:
LOG.error(
_LE('Failed to unplug interface(s) from the device.'
'Error: %(error)s'), {'error': e})
return None
else:
return True
def _validate_create_nfd_data(self, device_data):
if (any(key not in device_data for key in [
'service_details', 'name', 'management_network_info', 'ports'
]) or type(device_data['service_details']) is not dict or any(
key not in device_data['service_details']
for key in ['service_vendor', 'device_type', 'network_mode'])
or any(key not in device_data['management_network_info']
for key in ['id'])
or type(device_data['ports']) is not list or any(
key not in port for port in device_data['ports']
for key in ['id', 'port_classification', 'port_model'])):
raise exceptions.IncompleteData()
if (device_data['service_details']['device_type'] !=
nfp_constants.NOVA_MODE):
raise exceptions.ComputePolicyNotSupported(
compute_policy=device_data['service_details']['device_type'])
def get_network_function_device_status(self,
device_data,
ignore_failure=False):
""" Get the status of NFD
:param device_data: NFD
:type device_data: dict
:returns: None -- On failure
:return: str -- status string
:raises: exceptions.IncompleteData,
exceptions.ComputePolicyNotSupported
"""
if (any(key not in device_data for key in ['id', 'service_details'])
or type(device_data['service_details']) is not dict
or any(key not in device_data['service_details'] for key in
['service_vendor', 'device_type', 'network_mode'])):
raise exceptions.IncompleteData()
if (device_data['service_details']['device_type'] !=
nfp_constants.NOVA_MODE):
raise exceptions.ComputePolicyNotSupported(
compute_policy=device_data['service_details']['device_type'])
token = self._get_token(device_data.get('token'))
if not token:
return None
with nfp_ctx_mgr.NovaContextManager.new(suppress=(Exception, )) as ncm:
device = ncm.retry(self.compute_handler_nova.get_instance,
device_data['token'], device_data['tenant_id'],
device_data['id'])
return device['status']
def plug_network_function_device_interfaces(self,
device_data,
network_handler=None):
""" Attach the network interfaces for NFD
:param device_data: NFD
:type device_data: dict
:returns: bool -- False on failure and True on Success
:raises: exceptions.IncompleteData,
exceptions.ComputePolicyNotSupported
"""
if (any(key not in device_data
for key in ['id', 'service_details', 'ports'])
or type(device_data['service_details']) is not dict
or any(key not in device_data['service_details'] for key in
['service_vendor', 'device_type', 'network_mode'])
or type(device_data['ports']) is not list or any(
key not in port for port in device_data['ports']
for key in ['id', 'port_classification', 'port_model'])):
raise exceptions.IncompleteData()
if (device_data['service_details']['device_type'] !=
nfp_constants.NOVA_MODE):
raise exceptions.ComputePolicyNotSupported(
compute_policy=device_data['service_details']['device_type'])
token = device_data['token']
tenant_id = device_data['tenant_id']
provider_metadata = device_data['provider_metadata']
enable_port_security = device_data.get('enable_port_security')
if provider_metadata.get('supports_hotplug') is False:
return True
try:
executor = nfp_executor.TaskExecutor(jobs=10)
for port in device_data['ports']:
if port['port_classification'] == nfp_constants.PROVIDER:
service_type = device_data['service_details'][
'service_type'].lower()
if service_type.lower() in [
nfp_constants.FIREWALL.lower(),
nfp_constants.VPN.lower()
]:
executor.add_job(
'SET_PROMISCUOS_MODE',
network_handler.set_promiscuos_mode_fast, token,
port['id'], enable_port_security)
executor.add_job(
'ATTACH_INTERFACE',
self.compute_handler_nova.attach_interface, token,
tenant_id, device_data['id'], port['id'])
break
executor.fire()
for port in device_data['ports']:
if port['port_classification'] == nfp_constants.CONSUMER:
service_type = device_data['service_details'][
'service_type'].lower()
if service_type.lower() in [
nfp_constants.FIREWALL.lower(),
nfp_constants.VPN.lower()
]:
executor.add_job(
'SET_PROMISCUOS_MODE',
network_handler.set_promiscuos_mode_fast, token,
port['id'], enable_port_security)
executor.add_job(
'ATTACH_INTERFACE',
self.compute_handler_nova.attach_interface, token,
tenant_id, device_data['id'], port['id'])
break
executor.fire()
except Exception as e:
LOG.error(
'Failed to plug interface(s) to the device.'
'Error: %(error)s', {'error': e})
return None
else:
return True
def create_network_function_device(self,
device_data,
network_handler=None):
""" Create a NFD
:param device_data: NFD data
:type device_data: dict
:returns: None -- when there is a failure in creating NFD
:return: dict -- NFD created
:raises: exceptions.IncompleteData,
exceptions.ComputePolicyNotSupported
"""
if (any(key not in device_data for key in [
'service_details', 'name', 'management_network_info', 'ports'
]) or type(device_data['service_details']) is not dict or any(
key not in device_data['service_details']
for key in ['service_vendor', 'device_type', 'network_mode'])
or any(key not in device_data['management_network_info']
for key in ['id'])
or type(device_data['ports']) is not list or any(
key not in port for port in device_data['ports']
for key in ['id', 'port_classification', 'port_model'])):
raise exceptions.IncompleteData()
if (device_data['service_details']['device_type'] !=
nfp_constants.NOVA_MODE):
raise exceptions.ComputePolicyNotSupported(
compute_policy=device_data['service_details']['device_type'])
token = device_data['token']
admin_tenant_id = device_data['admin_tenant_id']
image_name = self._get_image_name(device_data)
executor = nfp_executor.TaskExecutor(jobs=3)
image_id_result = {}
executor.add_job('UPDATE_VENDOR_DATA', self._update_vendor_data_fast,
token, admin_tenant_id, image_name, device_data)
executor.add_job('GET_INTERFACES_FOR_DEVICE_CREATE',
self._get_interfaces_for_device_create, token,
admin_tenant_id, network_handler, device_data)
executor.add_job('GET_IMAGE_ID',
self.get_image_id,
self.compute_handler_nova,
token,
admin_tenant_id,
image_name,
result_store=image_id_result)
executor.fire()
interfaces = device_data.pop('interfaces', None)
if not interfaces:
LOG.exception(_LE('Failed to get interfaces for device creation.'))
return None
else:
management_interface = interfaces[0]
image_id = image_id_result.get('result', None)
if not image_id:
LOG.error(_LE('Failed to get image id for device creation.'))
self._delete_interfaces(device_data,
interfaces,
network_handler=network_handler)
return None
if device_data['service_details'].get('flavor'):
flavor = device_data['service_details']['flavor']
else:
LOG.info(
_LI("No Device flavor provided in service profile's "
"service flavor field, using default "
"flavor: m1.medium"))
flavor = 'm1.medium'
interfaces_to_attach = []
for interface in interfaces:
interfaces_to_attach.append({'port': interface['port_id']})
instance_name = device_data['name']
instance_id_result = {}
port_details_result = {}
executor.add_job('CREATE_INSTANCE',
self.create_instance,
self.compute_handler_nova,
token,
admin_tenant_id,
image_id,
flavor,
interfaces_to_attach,
instance_name,
result_store=instance_id_result)
executor.add_job('GET_NEUTRON_PORT_DETAILS',
self.get_neutron_port_details,
network_handler,
token,
management_interface['port_id'],
result_store=port_details_result)
executor.fire()
instance_id = instance_id_result.get('result', None)
if not instance_id:
LOG.error(_LE('Failed to create %(device_type)s instance.'))
self._delete_interfaces(device_data,
interfaces,
network_handler=network_handler)
return None
mgmt_ip_address = None
mgmt_neutron_port_info = port_details_result.get('result', None)
if not mgmt_neutron_port_info:
LOG.error(_LE('Failed to get management port details. '))
try:
self.compute_handler_nova.delete_instance(
token, admin_tenant_id, instance_id)
except Exception as e:
LOG.error(
_LE('Failed to delete %(device_type)s instance.'
'Error: %(error)s'), {
'device_type':
(device_data['service_details']['device_type']),
'error':
e
})
self._delete_interfaces(device_data,
interfaces,
network_handler=network_handler)
return None
mgmt_ip_address = mgmt_neutron_port_info['ip_address']
return {
'id': instance_id,
'name': instance_name,
'mgmt_ip_address': mgmt_ip_address,
'mgmt_port_id': interfaces[0],
'mgmt_neutron_port_info': mgmt_neutron_port_info,
'max_interfaces': self.maximum_interfaces,
'interfaces_in_use': len(interfaces_to_attach),
'description': ''
} # TODO(RPM): what should be the description
