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db.py
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#
# Copyright (c) 2014 Juniper Networks, Inc. All rights reserved.
#
"""
This file contains implementation of data model for physical router
configuration manager
"""
from vnc_api.common.exceptions import NoIdError
from physical_router_config import PhysicalRouterConfig
from sandesh.dm_introspect import ttypes as sandesh
from cfgm_common.vnc_db import DBBase
from cfgm_common.uve.physical_router.ttypes import *
import copy
import socket
import gevent
from gevent import queue
class BgpRouterDM(DBBase):
_dict = {}
obj_type = 'bgp_router'
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.bgp_routers = {}
self.physical_router = None
self.update(obj_dict)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
self.name = obj['fq_name'][-1]
self.params = obj['bgp_router_parameters']
if self.params is not None:
if self.params.get('autonomous_system') is None:
self.params['autonomous_system'] = GlobalSystemConfigDM.get_global_asn()
self.update_single_ref('physical_router', obj)
new_peers = {}
for ref in obj.get('bgp_router_refs', []):
new_peers[ref['uuid']] = ref['attr']
for peer_id in set(self.bgp_routers.keys()) - set(new_peers.keys()):
peer = BgpRouterDM.get(peer_id)
if self.uuid in peer.bgp_routers:
del peer.bgp_routers[self.uuid]
for peer_id, attrs in new_peers.items():
peer = BgpRouterDM.get(peer_id)
if peer:
peer.bgp_routers[self.uuid] = attrs
self.bgp_routers = new_peers
def sandesh_build(self):
return sandesh.BgpRouter(name=self.name, uuid=self.uuid,
peers=self.bgp_routers,
physical_router=self.physical_router)
@classmethod
def sandesh_request(cls, req):
# Return the list of BGP routers
resp = sandesh.BgpRouterListResp(bgp_routers=[])
if req.name_or_uuid is None:
for router in cls.values():
sandesh_router = router.sandesh_build()
resp.bgp_routers.extend(sandesh_router)
else:
router = cls.find_by_name_or_uuid(req.name_or_uuid)
if router:
sandesh_router = router.sandesh_build()
resp.bgp_routers.extend(sandesh_router)
resp.response(req.context())
def get_all_bgp_router_ips(self):
if self.params['address'] is not None:
bgp_router_ips = set([self.params['address']])
else:
bgp_router_ips = set()
for peer_uuid in self.bgp_routers:
peer = BgpRouterDM.get(peer_uuid)
if peer is None or peer.params['address'] is None:
continue
bgp_router_ips.add(peer.params['address'])
return bgp_router_ips
#end get_all_bgp_router_ips
# end class BgpRouterDM
class PhysicalRouterDM(DBBase):
_dict = {}
obj_type = 'physical_router'
_sandesh = None
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.virtual_networks = set()
self.bgp_router = None
self.config_manager = None
self.nc_q = queue.Queue(maxsize=1)
self.nc_handler_gl = gevent.spawn(self.nc_handler)
self.update(obj_dict)
self.config_manager = PhysicalRouterConfig(
self.management_ip, self.user_credentials, self.vendor,
self.product, self.vnc_managed, self._logger)
self.uve_send()
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
self.name = obj['fq_name'][-1]
self.management_ip = obj.get('physical_router_management_ip')
self.dataplane_ip = obj.get('physical_router_dataplane_ip')
self.vendor = obj.get('physical_router_vendor_name', '')
self.product = obj.get('physical_router_product_name', '')
self.vnc_managed = obj.get('physical_router_vnc_managed')
self.user_credentials = obj.get('physical_router_user_credentials')
self.junos_service_ports = obj.get('physical_router_junos_service_ports')
self.update_single_ref('bgp_router', obj)
self.update_multiple_refs('virtual_network', obj)
self.physical_interfaces = set([pi['uuid'] for pi in
obj.get('physical_interfaces', [])])
self.logical_interfaces = set([li['uuid'] for li in
obj.get('logical_interfaces', [])])
if self.config_manager is not None:
self.config_manager.update(
self.management_ip, self.user_credentials, self.vendor,
self.product, self.vnc_managed)
# end update
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
obj.config_manager.delete_bgp_config()
obj.uve_send(True)
obj.update_single_ref('bgp_router', {})
obj.update_multiple_refs('virtual_network', {})
del cls._dict[uuid]
# end delete
def is_junos_service_ports_enabled(self):
if self.junos_service_ports is not None and self.junos_service_ports.get('service_port') is not None:
return True
return False
#end is_junos_service_ports_enabled
def set_config_state(self):
try:
self.nc_q.put_nowait(1)
except queue.Full:
pass
#end
def nc_handler(self):
while self.nc_q.get() is not None:
try:
self.push_config()
except Exception as e:
self._logger.error("Exception: " + str(e))
#end
def is_valid_ip(self, ip_str):
try:
socket.inet_aton(ip_str)
return True
except socket.error:
return False
#end
def push_config(self):
self.config_manager.reset_bgp_config()
bgp_router = BgpRouterDM.get(self.bgp_router)
if bgp_router:
for peer_uuid, params in bgp_router.bgp_routers.items():
peer = BgpRouterDM.get(peer_uuid)
if peer is None:
continue
external = (bgp_router.params['autonomous_system'] !=
peer.params['autonomous_system'])
self.config_manager.add_bgp_peer(peer.params['address'],
params, external)
self.config_manager.set_bgp_config(bgp_router.params)
self.config_manager.set_global_routing_options(bgp_router.params)
bgp_router_ips = bgp_router.get_all_bgp_router_ips()
if self.dataplane_ip is not None and self.is_valid_ip(self.dataplane_ip):
self.config_manager.add_dynamic_tunnels(self.dataplane_ip,
GlobalSystemConfigDM.ip_fabric_subnets, bgp_router_ips)
vn_dict = {}
for vn_id in self.virtual_networks:
vn_dict[vn_id] = []
li_set = self.logical_interfaces
for pi_uuid in self.physical_interfaces:
pi = PhysicalInterfaceDM.get(pi_uuid)
if pi is None:
continue
li_set |= pi.logical_interfaces
for li_uuid in li_set:
li = LogicalInterfaceDM.get(li_uuid)
if li is None:
continue
vmi_id = li.virtual_machine_interface
vmi = VirtualMachineInterfaceDM.get(vmi_id)
if vmi is None:
continue
vn_id = vmi.virtual_network
if vn_id in vn_dict:
vn_dict[vn_id].append(li.name)
else:
vn_dict[vn_id] = [li.name]
for vn_id, interfaces in vn_dict.items():
vn_obj = VirtualNetworkDM.get(vn_id)
if vn_obj is None or vn_obj.vxlan_vni is None or vn_obj.vn_network_id is None:
continue
export_set = None
import_set = None
for ri_id in vn_obj.routing_instances:
# Find the primary RI by matching the name
ri_obj = RoutingInstanceDM.get(ri_id)
if ri_obj is None:
continue
if ri_obj.fq_name[-1] == vn_obj.fq_name[-1]:
vrf_name = vn_obj.get_vrf_name()
vrf_name_l2 = vn_obj.get_vrf_name(vrf_type='l2')
vrf_name_l3 = vn_obj.get_vrf_name(vrf_type='l3')
export_set = copy.copy(ri_obj.export_targets)
import_set = copy.copy(ri_obj.import_targets)
for ri2_id in ri_obj.routing_instances:
ri2 = RoutingInstanceDM.get(ri2_id)
if ri2 is None:
continue
import_set |= ri2.export_targets
if vn_obj.router_external == False:
self.config_manager.add_routing_instance(vrf_name_l3,
import_set,
export_set,
vn_obj.prefixes,
vn_obj.gateways,
vn_obj.router_external,
["irb" + "." + str(vn_obj.vxlan_vni)])
self.config_manager.add_routing_instance(vrf_name_l2,
import_set,
export_set,
vn_obj.prefixes,
vn_obj.gateways,
vn_obj.router_external,
interfaces,
vn_obj.vxlan_vni)
else:
self.config_manager.add_routing_instance(vrf_name_l3,
import_set,
export_set,
vn_obj.prefixes,
vn_obj.gateways,
vn_obj.router_external,
interfaces,
vn_obj.vxlan_vni)
break
if export_set is not None and self.is_junos_service_ports_enabled() and len(vn_obj.instance_ip_map) > 0:
service_port_id = 2*vn_obj.vn_network_id - 1
if self.is_service_port_id_valid(service_port_id) == False:
self._logger.error("DM can't allocate service interfaces for \
(vn, vn-id)=(%s,%s)" % (vn_obj.fq_name, vn_obj.vn_network_id))
else:
vrf_name = vrf_name[:123] + '-nat'
interfaces = []
service_ports = self.junos_service_ports.get('service_port')
interfaces.append(service_ports[0] + "." + str(service_port_id))
interfaces.append(service_ports[0] + "." + str(service_port_id + 1))
self.config_manager.add_routing_instance(vrf_name,
import_set,
export_set,
None,
None,
False,
interfaces,
None,
vn_obj.instance_ip_map, vn_obj.vxlan_vni)
self.config_manager.send_bgp_config()
self.uve_send()
# end push_config
def is_service_port_id_valid(self, service_port_id):
#mx allowed ifl unit number range is (1, 16385) for service ports
if service_port_id < 1 or service_port_id > 16384:
return False
return True
#end is_service_port_id_valid
def uve_send(self, deleted=False):
pr_trace = UvePhysicalRouterConfig(name=self.name,
ip_address=self.management_ip,
connected_bgp_router=self.bgp_router,
auto_conf_enabled=self.vnc_managed,
product_info=self.vendor + ':' + self.product)
if deleted:
pr_trace.deleted = True
pr_msg = UvePhysicalRouterConfigTrace(data=pr_trace,
sandesh=PhysicalRouterDM._sandesh)
pr_msg.send(sandesh=PhysicalRouterDM._sandesh)
return
commit_stats = self.config_manager.get_commit_stats()
if commit_stats['netconf_enabled'] is True:
pr_trace.last_commit_time = commit_stats['last_commit_time']
pr_trace.last_commit_duration = commit_stats['last_commit_duration']
pr_trace.commit_status_message = commit_stats['commit_status_message']
pr_trace.total_commits_sent_since_up = commit_stats['total_commits_sent_since_up']
else:
pr_trace.netconf_enabled_status = commit_stats['netconf_enabled_status']
pr_msg = UvePhysicalRouterConfigTrace(data=pr_trace, sandesh=PhysicalRouterDM._sandesh)
pr_msg.send(sandesh=PhysicalRouterDM._sandesh)
# end uve_send
# end PhysicalRouterDM
class GlobalVRouterConfigDM(DBBase):
_dict = {}
obj_type = 'global_vrouter_config'
global_vxlan_id_mode = None
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.update(obj_dict)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
new_global_vxlan_id_mode = obj.get('vxlan_network_identifier_mode')
if GlobalVRouterConfigDM.global_vxlan_id_mode != new_global_vxlan_id_mode:
GlobalVRouterConfigDM.global_vxlan_id_mode = new_global_vxlan_id_mode
self.update_physical_routers()
# end update
def update_physical_routers(self):
for vn in VirtualNetworkDM.values():
vn.set_vxlan_vni()
for pr in PhysicalRouterDM.values():
pr.set_config_state()
#end update_physical_routers
@classmethod
def is_global_vxlan_id_mode_auto(cls):
if cls.global_vxlan_id_mode is not None and cls.global_vxlan_id_mode == 'automatic':
return True
return False
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
# end delete
# end GlobalVRouterConfigDM
class GlobalSystemConfigDM(DBBase):
_dict = {}
obj_type = 'global_system_config'
global_asn = None
ip_fabric_subnets = None
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.physical_routers = set()
self.update(obj_dict)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
GlobalSystemConfigDM.global_asn = obj.get('autonomous_system')
GlobalSystemConfigDM.ip_fabric_subnets = obj.get('ip_fabric_subnets')
self.set_children('physical_router', obj)
# end update
@classmethod
def get_global_asn(cls):
return cls.global_asn
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
# end delete
# end GlobalSystemConfigDM
class PhysicalInterfaceDM(DBBase):
_dict = {}
obj_type = 'physical_interface'
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.update(obj_dict)
pr = PhysicalRouterDM.get(self.physical_router)
if pr:
pr.physical_interfaces.add(self.uuid)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
self.physical_router = self.get_parent_uuid(obj)
self.logical_interfaces = set([li['uuid'] for li in
obj.get('logical_interfaces', [])])
# end update
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
pr = PhysicalRouterDM.get(obj.physical_router)
if pr:
pr.physical_interfaces.discard(obj.uuid)
del cls._dict[uuid]
# end delete
# end PhysicalInterfaceDM
class LogicalInterfaceDM(DBBase):
_dict = {}
obj_type = 'logical_interface'
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.virtual_machine_interface = None
self.update(obj_dict)
if self.physical_interface:
parent = PhysicalInterfaceDM.get(self.physical_interface)
elif self.physical_router:
parent = PhysicalRouterDM.get(self.physical_router)
if parent:
parent.logical_interfaces.add(self.uuid)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
if obj['parent_type'] == 'physical-router':
self.physical_router = self.get_parent_uuid(obj)
self.physical_interface = None
else:
self.physical_interface = self.get_parent_uuid(obj)
self.physical_router = None
self.update_single_ref('virtual_machine_interface', obj)
self.name = obj['fq_name'][-1]
# end update
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
if obj.physical_interface:
parent = PhysicalInterfaceDM.get(obj.physical_interface)
elif obj.physical_router:
parent = PhysicalInterfaceDM.get(obj.physical_router)
if parent:
parent.logical_interfaces.discard(obj.uuid)
obj.update_single_ref('virtual_machine_interface', {})
del cls._dict[uuid]
# end delete
# end LogicalInterfaceDM
class FloatingIpDM(DBBase):
_dict = {}
obj_type = 'floating_ip'
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.virtual_machine_interface = None
self.floating_ip_address = None
self.update(obj_dict)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
self.floating_ip_address = obj.get("floating_ip_address")
self.public_network = self.get_pool_public_network(self.get_parent_uuid(obj))
self.update_single_ref('virtual_machine_interface', obj)
# end update
def get_pool_public_network(self, pool_uuid):
pool_obj = self.read_obj(pool_uuid, "floating_ip_pool")
if pool_obj is None:
return None
return self.get_parent_uuid(pool_obj)
# end get_pool_public_network
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
obj.update_single_ref('virtual_machine_interface', {})
del cls._dict[uuid]
# end delete
#end FloatingIpDM
class InstanceIpDM(DBBase):
_dict = {}
obj_type = 'instance_ip'
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.instance_ip_address = None
self.virtual_machine_interface = None
self.update(obj_dict)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
self.instance_ip_address = obj.get("instance_ip_address")
self.update_single_ref('virtual_machine_interface', obj)
# end update
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
obj.update_single_ref('virtual_machine_interface', {})
del cls._dict[uuid]
# end delete
#end InstanceIpDM
class VirtualMachineInterfaceDM(DBBase):
_dict = {}
obj_type = 'virtual_machine_interface'
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.virtual_network = None
self.floating_ip = None
self.instance_ip = None
self.logical_interface = None
self.update(obj_dict)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
self.update_single_ref('logical_interface', obj)
self.update_single_ref('virtual_network', obj)
self.update_single_ref('floating_ip', obj)
self.update_single_ref('instance_ip', obj)
# end update
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
obj.update_single_ref('logical_interface', {})
obj.update_single_ref('virtual_network', {})
obj.update_single_ref('floating_ip', {})
obj.update_single_ref('instance_ip', {})
del cls._dict[uuid]
# end delete
# end VirtualMachineInterfaceDM
class VirtualNetworkDM(DBBase):
_dict = {}
obj_type = 'virtual_network'
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.physical_routers = set()
self.router_external = False
self.vxlan_vni = None
self.gateways = None
self.instance_ip_map = {}
self.update(obj_dict)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
self.update_multiple_refs('physical_router', obj)
self.fq_name = obj['fq_name']
try:
self.router_external = obj['router_external']
except KeyError:
self.router_external = False
self.vn_network_id = obj.get('virtual_network_network_id')
self.set_vxlan_vni(obj)
self.routing_instances = set([ri['uuid'] for ri in
obj.get('routing_instances', [])])
self.virtual_machine_interfaces = set(
[vmi['uuid'] for vmi in
obj.get('virtual_machine_interface_back_refs', [])])
self.prefixes = set()
self.gateways = set()
for ipam_ref in obj.get('network_ipam_refs', []):
for subnet in ipam_ref['attr'].get('ipam_subnets', []):
self.prefixes.add('%s/%d' % (subnet['subnet']['ip_prefix'],
subnet['subnet']['ip_prefix_len'])
)
self.gateways.add(subnet['default_gateway'])
# end update
def get_vrf_name(self, vrf_type=None):
if vrf_type is None:
vrf_name = '__contrail__' + self.uuid + '_' + self.fq_name[-1]
elif vrf_type == 'l2':
vrf_name = '__contrail__l2_' + self.uuid + '_' + self.fq_name[-1]
else:
vrf_name = '__contrail__l3_' + self.uuid + '_' + self.fq_name[-1]
#mx has limitation for vrf name, allowed max 127 chars
return vrf_name[:127]
#end
def set_vxlan_vni(self, obj=None):
self.vxlan_vni = None
if obj is None:
obj = self.read_obj(self.uuid)
if GlobalVRouterConfigDM.is_global_vxlan_id_mode_auto():
self.vxlan_vni = obj.get('virtual_network_network_id')
else:
try:
prop = obj['virtual_network_properties']
if prop['vxlan_network_identifier'] is not None:
self.vxlan_vni = prop['vxlan_network_identifier']
except KeyError:
pass
#end set_vxlan_vni
def update_instance_ip_map(self):
self.instance_ip_map = {}
for vmi_uuid in self.virtual_machine_interfaces:
vmi = VirtualMachineInterfaceDM.get(vmi_uuid)
if vmi is None:
continue
if vmi.floating_ip is not None and vmi.instance_ip is not None:
fip = FloatingIpDM.get(vmi.floating_ip)
inst_ip = InstanceIpDM.get(vmi.instance_ip)
if fip is None or inst_ip is None:
continue
instance_ip = inst_ip.instance_ip_address
floating_ip = fip.floating_ip_address
public_vn = VirtualNetworkDM.get(fip.public_network)
if public_vn is None:
continue
public_vrf_name = public_vn.get_vrf_name(vrf_type='l3')
self.instance_ip_map[instance_ip] = {'floating_ip': floating_ip,
'vrf_name': public_vrf_name}
# end update_instance_ip_map
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
obj.update_multiple_refs('physical_router', {})
del cls._dict[uuid]
# end delete
# end VirtualNetworkDM
class RoutingInstanceDM(DBBase):
_dict = {}
obj_type = 'routing_instance'
def __init__(self, uuid, obj_dict=None):
self.uuid = uuid
self.virtual_network = None
self.import_targets = set()
self.export_targets = set()
self.routing_instances = set()
self.update(obj_dict)
vn = VirtualNetworkDM.get(self.virtual_network)
if vn:
vn.routing_instances.add(self.uuid)
# end __init__
def update(self, obj=None):
if obj is None:
obj = self.read_obj(self.uuid)
self.fq_name = obj['fq_name']
self.virtual_network = self.get_parent_uuid(obj)
self.import_targets = set()
self.export_targets = set()
for rt_ref in obj.get('route_target_refs', []):
rt_name = rt_ref['to'][0]
exim = rt_ref.get('attr').get('import_export')
if exim == 'export':
self.export_targets.add(rt_name)
elif exim == 'import':
self.import_targets.add(rt_name)
else:
self.import_targets.add(rt_name)
self.export_targets.add(rt_name)
self.update_multiple_refs('routing_instance', obj)
# end update
@classmethod
def delete(cls, uuid):
if uuid not in cls._dict:
return
obj = cls._dict[uuid]
vn = VirtualNetworkDM.get(obj.virtual_network)
if vn:
vn.routing_instances.discard(obj.uuid)
del cls._dict[uuid]
# end delete
# end RoutingInstanceDM
DBBase._OBJ_TYPE_MAP = {
'bgp_router': BgpRouterDM,
'physical_router': PhysicalRouterDM,
'physical_interface': PhysicalInterfaceDM,
'logical_interface': LogicalInterfaceDM,
'virtual_machine_interface': VirtualMachineInterfaceDM,
'virtual_network': VirtualNetworkDM,
'routing_instance': RoutingInstanceDM,
'floating_ip': FloatingIpDM,
'instance_ip': InstanceIpDM,
'global_system_config': GlobalSystemConfigDM,
'global_vrouter_config': GlobalVRouterConfigDM,
}