def delete_snat_vn(self, si_obj):
vn_name = '%s_%s' % (svc_info.get_snat_left_vn_prefix(),
si_obj.name)
vn_fq_name = si_obj.fq_name[:-1] + [vn_name]
try:
vn_obj = self._vnc_lib.virtual_network_read(fq_name=vn_fq_name)
except NoIdError:
return
vn = VirtualNetworkSM.get(vn_obj.uuid)
if not vn:
return
for vmi_id in vn.virtual_machine_interfaces:
try:
self._vnc_lib.ref_update('virtual-machine-interface',
vmi_id, 'virtual-network', vn.uuid, None, 'DELETE')
except NoIdError:
pass
for iip_id in vn.instance_ips:
try:
self._vnc_lib.instance_ip_delete(id=iip_id)
except NoIdError:
pass
try:
self._vnc_lib.virtual_network_delete(id=vn.uuid)
except (RefsExistError, NoIdError):
pass
def sandesh_si_handle_request(self, req):
si_resp = sandesh.ServiceInstanceListResp(si_names=[])
for si in ServiceInstanceSM.values():
if req.si_name and req.si_name != si.name:
continue
st = ServiceTemplateSM.get(si.service_template)
sandesh_si = sandesh.ServiceInstance(
name=(':').join(si.fq_name),
si_type=st.virtualization_type,
si_state=si.state)
sandesh_vm_list = []
for vm_id in si.virtual_machines:
vm = VirtualMachineSM.get(vm_id)
if not vm:
continue
vm_str = ("%s: %s" % (vm.name, vm.uuid))
vr_name = 'None'
vr = VirtualRouterSM.get(vm.virtual_router)
if vr:
vr_name = vr.name
ha_str = "active"
if vm.index < len(si.local_preference):
if vm.index >= 0:
ha = si.local_preference[vm.index]
if ha and int(ha) == svc_info.get_standby_preference():
ha_str = "standby"
if ha:
ha_str = ha_str + ': ' + str(ha)
else:
ha_str = "unknown"
vm = sandesh.ServiceInstanceVM(name=vm_str,
vr_name=vr_name,
ha=ha_str)
sandesh_vm_list.append(vm)
sandesh_si.vm_list = list(sandesh_vm_list)
for nic in si.vn_info:
vn = VirtualNetworkSM.get(nic['net-id'])
if not vn:
continue
if nic['type'] == svc_info.get_left_if_str():
sandesh_si.left_vn = [vn.name, vn.uuid]
if nic['type'] == svc_info.get_right_if_str():
sandesh_si.right_vn = [vn.name, vn.uuid]
if nic['type'] == svc_info.get_management_if_str():
sandesh_si.management_vn = [vn.name, vn.uuid]
si_resp.si_names.append(sandesh_si)
si_resp.response(req.context())
def sandesh_si_handle_request(self, req):
si_resp = sandesh.ServiceInstanceListResp(si_names=[])
for si in ServiceInstanceSM.values():
if req.si_name and req.si_name != si.name:
continue
st = ServiceTemplateSM.get(si.service_template)
sandesh_si = sandesh.ServiceInstance(
name=(':').join(si.fq_name), si_type=st.virtualization_type,
si_state=si.state)
sandesh_vm_list = []
for vm_id in si.virtual_machines:
vm = VirtualMachineSM.get(vm_id)
if not vm:
continue
vm_str = ("%s: %s" % (vm.name, vm.uuid))
vr_name = 'None'
vr = VirtualRouterSM.get(vm.virtual_router)
if vr:
vr_name = vr.name
ha_str = "active"
if vm.index < len(si.local_preference):
if vm.index >= 0:
ha = si.local_preference[vm.index]
if ha and int(ha) == svc_info.get_standby_preference():
ha_str = "standby"
if ha:
ha_str = ha_str + ': ' + str(ha)
else:
ha_str = "unknown"
vm = sandesh.ServiceInstanceVM(
name=vm_str, vr_name=vr_name, ha=ha_str)
sandesh_vm_list.append(vm)
sandesh_si.vm_list = list(sandesh_vm_list)
for nic in si.vn_info:
vn = VirtualNetworkSM.get(nic['net-id'])
if not vn:
continue
if nic['type'] == svc_info.get_left_if_str():
sandesh_si.left_vn = [vn.name, vn.uuid]
if nic['type'] == svc_info.get_right_if_str():
sandesh_si.right_vn = [vn.name, vn.uuid]
if nic['type'] == svc_info.get_management_if_str():
sandesh_si.management_vn = [vn.name, vn.uuid]
si_resp.si_names.append(sandesh_si)
si_resp.response(req.context())
def delete_snat_vn(self, si_obj):
vn_name = '%s_%s' % (svc_info.get_snat_left_vn_prefix(), si_obj.name)
vn_fq_name = si_obj.fq_name[:-1] + [vn_name]
try:
vn_obj = self._vnc_lib.virtual_network_read(fq_name=vn_fq_name)
except vnc_exc.NoIdError:
self.logger.debug("Unable to find virtual network %s. " \
"Delete of SNAT instance %s failed." % \
(vn_name, si_obj.name))
return
vn = VirtualNetworkSM.get(vn_obj.uuid)
if not vn:
return
for vmi_id in vn.virtual_machine_interfaces:
try:
self._vnc_lib.ref_update('virtual-machine-interface', vmi_id,
'virtual-network', vn.uuid, None,
'DELETE')
except vnc_exc.NoIdError:
self.logger.debug( \
"Update of vnc lib for vmi %s virtual network %s failed" % \
(vmi_id, vn_name))
pass
for iip_id in vn.instance_ips:
try:
self._vnc_lib.instance_ip_delete(id=iip_id)
except vnc_exc.NoIdError:
self.logger.debug( \
"Unable to find IIP %s in virtual network %s." % \
(iip_id, vn_name))
pass
try:
self._vnc_lib.virtual_network_delete(id=vn.uuid)
except (vnc_exc.RefsExistError, vnc_exc.NoIdError):
self.logger.debug("Delete of virtual network %s failed." % \
(vn_name))
pass
def delete_snat_vn(self, si_obj):
vn_name = '%s_%s' % (svc_info.get_snat_left_vn_prefix(),
si_obj.name)
vn_fq_name = si_obj.fq_name[:-1] + [vn_name]
try:
vn_obj = self._vnc_lib.virtual_network_read(fq_name=vn_fq_name)
except vnc_exc.NoIdError:
self.logger.debug("Unable to find virtual network %s. " \
"Delete of SNAT instance %s failed." % \
(vn_name, si_obj.name))
return
vn = VirtualNetworkSM.get(vn_obj.uuid)
if not vn:
return
for vmi_id in vn.virtual_machine_interfaces:
try:
self._vnc_lib.ref_update('virtual-machine-interface',
vmi_id, 'virtual-network', vn.uuid, None, 'DELETE')
except vnc_exc.NoIdError:
self.logger.debug( \
"Update of vnc lib for vmi %s virtual network %s failed" % \
(vmi_id, vn_name))
pass
for iip_id in vn.instance_ips:
try:
self._vnc_lib.instance_ip_delete(id=iip_id)
except vnc_exc.NoIdError:
self.logger.debug( \
"Unable to find IIP %s in virtual network %s." % \
(iip_id, vn_name))
pass
try:
self._vnc_lib.virtual_network_delete(id=vn.uuid)
except (vnc_exc.RefsExistError, vnc_exc.NoIdError):
self.logger.debug("Delete of virtual network %s failed." % \
(vn_name))
pass
def _add_snat_instance(self, router_obj):
try:
vnc_rtr_obj = self._vnc_lib.logical_router_read(id=router_obj.uuid)
except vnc_exc.NoIdError:
# msg="Unable to read logical router to set the default gateway")
return
# Get netns SNAT service template
try:
st_obj = self._vnc_lib.service_template_read(
fq_name=SNAT_SERVICE_TEMPLATE_FQ_NAME)
except vnc_exc.NoIdError:
# msg="Unable to read template to set the default gateway")
return
# Get the service instance if it exists
si_obj = None
si_uuid = router_obj.service_instance
if si_uuid:
try:
si_obj = self._vnc_lib.service_instance_read(id=si_uuid)
except vnc_exc.NoIdError:
pass
# Get route table for default route it it exists
rt_obj = self._get_route_table(router_obj)
project_fq_name = router_obj.fq_name[:-1]
# Set the service instance
si_created = False
if not si_obj:
si_name = 'snat_' + router_obj.uuid + '_' + str(uuid.uuid4())
si_obj = ServiceInstance(si_name)
si_obj.fq_name = project_fq_name + [si_name]
si_created = True
si_prop_obj = ServiceInstanceType(scale_out=ServiceScaleOutType(
max_instances=2, auto_scale=True),
auto_policy=False)
# set right interface in order of [right, left] to match template
vn_left_fq_name = self._get_snat_vn(si_obj)
left_if = ServiceInstanceInterfaceType(virtual_network=vn_left_fq_name)
virtual_network = router_obj.virtual_network
vn_obj = VirtualNetworkSM.get(virtual_network)
right_if = ServiceInstanceInterfaceType(
virtual_network=':'.join(vn_obj.fq_name))
si_prop_obj.set_interface_list([right_if, left_if])
si_prop_obj.set_ha_mode('active-standby')
si_obj.set_service_instance_properties(si_prop_obj)
si_obj.set_service_template(st_obj)
if si_created:
self._vnc_lib.service_instance_create(si_obj)
else:
self._vnc_lib.service_instance_update(si_obj)
# Set the route table
route_obj = RouteType(prefix="0.0.0.0/0",
next_hop=si_obj.get_fq_name_str())
rt_created = False
if not rt_obj:
rt_name = 'rt_' + router_obj.uuid
rt_obj = RouteTable(name=rt_name)
rt_obj.fq_name = project_fq_name + [rt_name]
rt_created = True
rt_obj.set_routes(RouteTableType.factory([route_obj]))
if rt_created:
self._vnc_lib.route_table_create(rt_obj)
else:
self._vnc_lib.route_table_update(rt_obj)
# Associate route table to logical router
vnc_rtr_obj.add_route_table(rt_obj)
# Add logical gateway virtual network
vnc_rtr_obj.set_service_instance(si_obj)
self._vnc_lib.logical_router_update(vnc_rtr_obj)
def _add_snat_instance(self, router_obj):
try:
vnc_rtr_obj = self._vnc_lib.logical_router_read(id=router_obj.uuid)
except vnc_exc.NoIdError:
# msg="Unable to read logical router to set the default gateway")
return
try:
project_obj = self._vnc_lib.project_read(id=router_obj.parent_uuid)
except vnc_exc.NoIdError:
# msg="Unable to read project to set the default gateway")
return
# Get netns SNAT service template
try:
st_obj = self._vnc_lib.service_template_read(
fq_name=SNAT_SERVICE_TEMPLATE_FQ_NAME)
except vnc_exc.NoIdError:
# msg="Unable to read template to set the default gateway")
return
# Get the service instance if it exists
si_obj = None
si_uuid = router_obj.service_instance
if si_uuid:
try:
si_obj = self._vnc_lib.service_instance_read(id=si_uuid)
except vnc_exc.NoIdError:
pass
# Get route table for default route it it exists
rt_obj = self._get_route_table(router_obj, project_obj)
# Set the service instance
si_created = False
if not si_obj:
si_name = 'snat_' + router_obj.uuid + '_' + str(uuid.uuid4())
si_obj = ServiceInstance(si_name, parent_obj=project_obj)
si_created = True
si_prop_obj = ServiceInstanceType(
scale_out=ServiceScaleOutType(max_instances=2,
auto_scale=True),
auto_policy=True)
# set right interface in order of [right, left] to match template
vn_left_fq_name = self._get_snat_vn(project_obj, si_obj)
left_if = ServiceInstanceInterfaceType(virtual_network=vn_left_fq_name)
virtual_network = router_obj.virtual_network
vn_obj = VirtualNetworkSM.get(virtual_network)
right_if = ServiceInstanceInterfaceType(
virtual_network=':'.join(vn_obj.fq_name))
si_prop_obj.set_interface_list([right_if, left_if])
si_prop_obj.set_ha_mode('active-standby')
si_obj.set_service_instance_properties(si_prop_obj)
si_obj.set_service_template(st_obj)
if si_created:
self._vnc_lib.service_instance_create(si_obj)
else:
self._vnc_lib.service_instance_update(si_obj)
# Set the route table
route_obj = RouteType(prefix="0.0.0.0/0",
next_hop=si_obj.get_fq_name_str())
rt_created = False
if not rt_obj:
rt_name = 'rt_' + router_obj.uuid
rt_obj = RouteTable(name=rt_name, parent_obj=project_obj)
rt_created = True
rt_obj.set_routes(RouteTableType.factory([route_obj]))
if rt_created:
self._vnc_lib.route_table_create(rt_obj)
else:
self._vnc_lib.route_table_update(rt_obj)
# Associate route table to all private networks connected onto
# that router
net_uuids = self._get_net_uuids(router_obj.virtual_machine_interfaces)
self._add_route_tables(net_uuids, rt_obj)
# Add logical gateway virtual network
vnc_rtr_obj.set_service_instance(si_obj)
self._vnc_lib.logical_router_update(vnc_rtr_obj)
def _add_snat_instance(self, router_obj):
try:
vnc_rtr_obj = self._vnc_lib.logical_router_read(id=router_obj.uuid)
except vnc_exc.NoIdError:
self.logger.debug("Unable to find logical router for id %s. " \
"Add SNAT instance failed." % \
(router_obj.uuid))
return
# Get netns SNAT service template
try:
st_obj = self._vnc_lib.service_template_read(
fq_name=SNAT_SERVICE_TEMPLATE_FQ_NAME)
except vnc_exc.NoIdError:
self.logger.debug( \
"Unable to read service template %s. " \
" Add SNAT instance failed." % \
(SNAT_SERVICE_TEMPLATE_FQ_NAME))
return
# Get the service instance if it exists
si_obj = None
si_uuid = router_obj.service_instance
if si_uuid:
try:
si_obj = self._vnc_lib.service_instance_read(id=si_uuid)
except vnc_exc.NoIdError:
self.logger.debug("Service instance %s not found." % (si_uuid))
pass
# Get route table for default route it it exists
rt_obj = self._get_route_table(router_obj)
project_fq_name = router_obj.fq_name[:-1]
# Set the service instance
si_created = False
if not si_obj:
si_name = 'snat_' + router_obj.uuid + '_' + str(uuid.uuid4())
si_obj = ServiceInstance(si_name)
si_obj.fq_name = project_fq_name + [si_name]
si_created = True
si_prop_obj = ServiceInstanceType(
scale_out=ServiceScaleOutType(max_instances=2,
auto_scale=True),
auto_policy=False)
# set right interface in order of [right, left] to match template
vn_left_fq_name = self._get_snat_vn(si_obj)
left_if = ServiceInstanceInterfaceType(virtual_network=vn_left_fq_name)
virtual_network = router_obj.virtual_network
vn_obj = VirtualNetworkSM.get(virtual_network)
right_if = ServiceInstanceInterfaceType(
virtual_network=':'.join(vn_obj.fq_name))
si_prop_obj.set_interface_list([right_if, left_if])
si_prop_obj.set_ha_mode('active-standby')
si_obj.set_service_instance_properties(si_prop_obj)
si_obj.set_service_template(st_obj)
if si_created:
self._vnc_lib.service_instance_create(si_obj)
else:
self._vnc_lib.service_instance_update(si_obj)
# Set the route table
route_obj = RouteType(prefix="0.0.0.0/0",
next_hop=si_obj.get_fq_name_str())
rt_created = False
if not rt_obj:
rt_name = 'rt_' + router_obj.uuid
rt_obj = RouteTable(name=rt_name)
rt_obj.fq_name = project_fq_name + [rt_name]
rt_created = True
rt_obj.set_routes(RouteTableType.factory([route_obj]))
if rt_created:
self._vnc_lib.route_table_create(rt_obj)
else:
self._vnc_lib.route_table_update(rt_obj)
# Associate route table to logical router
vnc_rtr_obj.add_route_table(rt_obj)
# Add logical gateway virtual network
vnc_rtr_obj.set_service_instance(si_obj)
self._vnc_lib.logical_router_update(vnc_rtr_obj)
def add_snat_instance(self, router_obj):
try:
vnc_rtr_obj = self._vnc_lib.logical_router_read(id=router_obj.uuid)
except vnc_exc.NoIdError:
# msg="Unable to read logical router to set the default gateway")
return
try:
project_obj = self._vnc_lib.project_read(id=router_obj.parent_uuid)
except vnc_exc.NoIdError:
# msg="Unable to read project to set the default gateway")
return
# Get netns SNAT service template
try:
st_obj = self._vnc_lib.service_template_read(
fq_name=SNAT_SERVICE_TEMPLATE_FQ_NAME)
except vnc_exc.NoIdError:
# msg="Unable to read template to set the default gateway")
return
# Get the service instance if it exists
si_name = 'si_' + router_obj.uuid
si_fq_name = project_obj.fq_name + [si_name]
try:
si_obj = self._vnc_lib.service_instance_read(fq_name=si_fq_name)
si_uuid = si_obj.uuid
except vnc_exc.NoIdError:
si_obj = None
# Get route table for default route it it exists
rt_name = 'rt_' + router_obj.uuid
rt_fq_name = project_obj.fq_name + [rt_name]
try:
rt_obj = self._vnc_lib.route_table_read(fq_name=rt_fq_name)
rt_uuid = rt_obj.uuid
except vnc_exc.NoIdError:
rt_obj = None
# Set the service instance
si_created = False
if not si_obj:
si_obj = ServiceInstance(si_name, parent_obj=project_obj)
si_created = True
si_prop_obj = ServiceInstanceType(scale_out=ServiceScaleOutType(
max_instances=2, auto_scale=True),
auto_policy=True)
# set right interface in order of [right, left] to match template
left_if = ServiceInstanceInterfaceType()
virtual_network = router_obj.virtual_network
vn_obj = VirtualNetworkSM.get(virtual_network)
right_if = ServiceInstanceInterfaceType(
virtual_network=':'.join(vn_obj.fq_name))
si_prop_obj.set_interface_list([right_if, left_if])
si_prop_obj.set_ha_mode('active-standby')
si_obj.set_service_instance_properties(si_prop_obj)
si_obj.set_service_template(st_obj)
if si_created:
si_uuid = self._vnc_lib.service_instance_create(si_obj)
else:
self._vnc_lib.service_instance_update(si_obj)
# Set the route table
route_obj = RouteType(prefix="0.0.0.0/0",
next_hop=si_obj.get_fq_name_str())
rt_created = False
if not rt_obj:
rt_obj = RouteTable(name=rt_name, parent_obj=project_obj)
rt_created = True
rt_obj.set_routes(RouteTableType.factory([route_obj]))
if rt_created:
rt_uuid = self._vnc_lib.route_table_create(rt_obj)
else:
self._vnc_lib.route_table_update(rt_obj)
# Associate route table to all private networks connected onto
# that router
for intf in router_obj.virtual_machine_interfaces or []:
vmi_obj = VirtualMachineInterfaceSM.locate(intf)
net_id = vmi_obj.virtual_network
try:
net_obj = self._vnc_lib.virtual_network_read(id=net_id)
except vnc_exc.NoIdError:
continue
net_obj.set_route_table(rt_obj)
self._vnc_lib.virtual_network_update(net_obj)
# Add logical gateway virtual network
vnc_rtr_obj.set_service_instance(si_obj)
self._vnc_lib.logical_router_update(vnc_rtr_obj)
