def create(self, entity):
'''
Create an entity (Resource or Link)
'''
logger.debug('The create operation of the libnetvirt_backend')
# Check if the mixin is libnetvirt
if str(entity.mixins[0]['term']) != 'libnetvirt':
logger.debug('Wrong mixin')
return
# Initialize and connect libnetvirt
type = self.getType(entity.ocni_libnetvirt_service_type)
info = self.init_libnetvirt(type, entity)
if info < 0:
logger.error ("Error while connecting to driver")
return
# Create FNS
fns = libnetvirt.create_local_fns(int(entity.ocni_libnetvirt_uuid),
len(entity.ocni_libnetvirt_endpoint),
entity.occi_core_id, type)
# Loop with all the endpoints
index = 0
for ep in entity.ocni_libnetvirt_endpoint:
ep = self.ep_check(ep)
if type == libnetvirt.LIBNETVIRT_FORWARDING_L2:
libnetvirt.add_local_epoint(fns, index,
long(ep.ocni_libnetvirt_endpoint_uuid),
int(ep.ocni_libnetvirt_endpoint_swid),
int(ep.ocni_libnetvirt_endpoint_port),
int(ep.ocni_libnetvirt_endpoint_vlan),
int(ep.ocni_libnetvirt_endpoint_mpls))
else:
libnetvirt.add_local_epoint_l3(fns, index,
long(ep.ocni_libnetvirt_endpoint_uuid),
int(ep.ocni_libnetvirt_endpoint_swid),
int(ep.ocni_libnetvirt_endpoint_port),
int(ep.ocni_libnetvirt_endpoint_vlan),
ep.ocni_libnetvirt_endpoint_address+'/'+ep.ocni_libnetvirt_endpoint_mask)
index = index + 1
# Send command
libnetvirt.libnetvirt_create_fns(info,fns)
# Stop communication
libnetvirt.libnetvirt_stop(info)
def delete(self, entity):
'''
Delete an Entity
'''
logger.debug('The delete operation of the libnetvirt_backend')
# Check if the mixin is libnetvirt
if entity == None:
logger.error('Error. Entity is none')
return
if str(entity.mixins[0]['term']) != 'libnetvirt':
logger.error('Entity is not libnetvirt mixin')
return
# Initialize and connect libnetvirt
type = self.getType(entity.ocni_libnetvirt_service_type)
info = self.init_libnetvirt(type, entity)
if info < 0:
return
fns = libnetvirt.create_local_fns(int(entity.ocni_libnetvirt_uuid),
len(entity.ocni_libnetvirt_endpoint),
entity.occi_core_id,type)
index = 0
if type == libnetvirt.LIBNETVIRT_FORWARDING_L3VPN:
for ep in entity.ocni_libnetvirt_endpoint:
ep = self.ep_check(ep)
libnetvirt.add_local_epoint_l3(fns, index,
long(ep.ocni_libnetvirt_endpoint_uuid),
int(ep.ocni_libnetvirt_endpoint_swid),
int(ep.ocni_libnetvirt_endpoint_port),
int(ep.ocni_libnetvirt_endpoint_vlan),
ep.ocni_libnetvirt_endpoint_address+'/'+ep.ocni_libnetvirt_endpoint_mask)
index = index + 1
# Send command
libnetvirt.libnetvirt_remove_fns(info,fns);
logger.debug('Removing fns sent')
# Stop communication
libnetvirt.libnetvirt_stop(info)
def update(self, old_entity, new_entity):
'''
Update an Entity's information
'''
logger.debug('The update operation of the libnetvirt_backend')
if old_entity == None:
self.create(new_entity)
return
# Find the difference
ep_add, ep_rem = self.diff(old_entity.ocni_libnetvirt_endpoint,
new_entity.ocni_libnetvirt_endpoint)
#ep_rem = self.diff(new_entity.ocni_libnetvirt_endpoint,
# old_entity.ocni_libnetvirt_endpoint)
# Nothing to be change
if len(ep_add) == 0 and len(ep_rem) == 0:
return
# Initialize and connect libnetvirt
type = self.getType(new_entity.ocni_libnetvirt_service_type)
info = self.init_libnetvirt(type, new_entity)
if info < 0:
return
if len(ep_add) > 0:
# Modify add
logger.debug('Adding endpoint to FNS')
logger.debug(ep_add)
fns = libnetvirt.create_local_fns(int(new_entity.ocni_libnetvirt_uuid),
len(ep_add),
new_entity.occi_core_id,type)
# Loop with all the endpoints
index = 0
for ep in ep_add:
ep = self.ep_check(ep)
if type == libnetvirt.LIBNETVIRT_FORWARDING_L2:
libnetvirt.add_local_epoint(fns, index,
long(ep.ocni_libnetvirt_endpoint_uuid),
int(ep.ocni_libnetvirt_endpoint_swid),
int(ep.ocni_libnetvirt_endpoint_port),
int(ep.ocni_libnetvirt_endpoint_vlan),
int(ep.ocni_libnetvirt_endpoint_mpls))
else:
libnetvirt.add_local_epoint_l3(fns, index,
long(ep.ocni_libnetvirt_endpoint_uuid),
int(ep.ocni_libnetvirt_endpoint_swid),
int(ep.ocni_libnetvirt_endpoint_port),
int(ep.ocni_libnetvirt_endpoint_vlan),
ep.ocni_libnetvirt_endpoint_address+'/'+ep.ocni_libnetvirt_endpoint_mask)
index = index + 1
libnetvirt.libnetvirt_modify_fns_add(info,fns);
if len(ep_rem) > 0:
# Modify remove
logger.debug('Removing endpoints to FNS')
logger.debug(ep_rem)
fns = libnetvirt.create_local_fns(int(new_entity.ocni_libnetvirt_uuid),
len(ep_rem),
new_entity.occi_core_id,type)
# Loop with all the endpoints
index = 0
for ep in ep_rem:
ep = self.ep_check(ep)
if type == libnetvirt.LIBNETVIRT_FORWARDING_L2:
libnetvirt.add_local_epoint(fns, index,
long(ep.ocni_libnetvirt_endpoint_uuid),
int(ep.ocni_libnetvirt_endpoint_swid),
int(ep.ocni_libnetvirt_endpoint_port),
int(ep.ocni_libnetvirt_endpoint_vlan),
int(ep.ocni_libnetvirt_endpoint_mpls))
else:
libnetvirt.add_local_epoint_l3(fns, index,
long(ep.ocni_libnetvirt_endpoint_uuid),
int(ep.ocni_libnetvirt_endpoint_swid),
int(ep.ocni_libnetvirt_endpoint_port),
int(ep.ocni_libnetvirt_endpoint_vlan),
ep.ocni_libnetvirt_endpoint_address+'/'+ep.ocni_libnetvirt_endpoint_mask)
index = index + 1
libnetvirt.libnetvirt_modify_fns_del(info,fns);
# Stop communication
libnetvirt.libnetvirt_stop(info)