def run():
channel = grpc.insecure_channel('192.168.10.1:50051')
stub = gobgp_pb2_grpc.GobgpApiStub(channel)
nlri = Any()
nlri.Pack(
attribute_pb2.IPAddressPrefix(
prefix_len=24,
prefix="192.168.10.0",
))
origin = Any()
origin.Pack(attribute_pb2.OriginAttribute(
origin=2, # INCOMPLETE
))
next_hop = Any()
next_hop.Pack(attribute_pb2.NextHopAttribute(next_hop="0.0.0.0", ))
attributes = [origin, next_hop]
stub.AddPath(
gobgp_pb2.AddPathRequest(table_type=gobgp_pb2.GLOBAL,
path=gobgp_pb2.Path(
nlri=nlri,
pattrs=attributes,
family=gobgp_pb2.Family(
afi=gobgp_pb2.Family.AFI_IP,
safi=gobgp_pb2.Family.SAFI_UNICAST),
)),
_TIMEOUT_SECONDS,
)
def run(prefix, af, gobgpd_addr, withdraw=False, **kw):
route_family = libgobgp.get_route_family(_AF_NAME[af])
joined_args = prefix + " " + " ".join(
map(lambda x: "{} {}".format(*x), kw.items()))
serialized_path = libgobgp.serialize_path(
route_family,
joined_args,
).contents
# nlri
nlri = unpack_buf(serialized_path.nlri)
# pattrs
pattrs = []
for pattr_p in serialized_path.path_attributes.contents[:serialized_path.
path_attributes_len]:
pattrs.append(unpack_buf(pattr_p.contents))
# path dict
path = dict([
("family", route_family),
("nlri", nlri),
("pattrs", pattrs),
])
# grpc request
channel = implementations.insecure_channel(gobgpd_addr, 50051)
try:
with gobgp_pb2.beta_create_GobgpApi_stub(channel) as stub:
if not withdraw:
res = stub.AddPath(gobgp_pb2.AddPathRequest(path=path),
_TIMEOUT_SECONDS)
# AddPathResponse uuid seems to have become empty since uuid became a member of Path structure.
if res.uuid:
print str(UUID(bytes=res.uuid))
else:
path["is_withdraw"] = True
res = stub.DeletePath(gobgp_pb2.DeletePathRequest(path=path),
_TIMEOUT_SECONDS)
except ExpirationError:
print >> sys.stderr, "grpc request timed out!"
except:
traceback.print_exc()
def run():
channel = grpc.insecure_channel('localhost:50051')
stub = gobgp_pb2_grpc.GobgpApiStub(channel)
nlri = Any()
nlri.Pack(attribute_pb2.IPAddressPrefix(
prefix_len=24,
prefix="10.0.0.0",
))
origin = Any()
origin.Pack(attribute_pb2.OriginAttribute(
origin=2, # INCOMPLETE
))
as_segment = attribute_pb2.AsSegment(
# type=2, # "type" causes syntax error
numbers=[100, 200],
)
as_segment.type = 2 # SEQ
as_path = Any()
as_path.Pack(attribute_pb2.AsPathAttribute(
segments=[as_segment],
))
next_hop = Any()
next_hop.Pack(attribute_pb2.NextHopAttribute(
next_hop="1.1.1.1",
))
attributes = [origin, as_path, next_hop]
stub.AddPath(
gobgp_pb2.AddPathRequest(
table_type=gobgp_pb2.GLOBAL,
path=gobgp_pb2.Path(
nlri=nlri,
pattrs=attributes,
family=gobgp_pb2.Family(afi=gobgp_pb2.Family.AFI_IP, safi=gobgp_pb2.Family.SAFI_UNICAST),
)
),
_TIMEOUT_SECONDS,
)
def go_bgp_subnet(color, endpoint_device, target_device, sid_list, bsid_value, nh):
"""
inject or delete an route with <ACME>-CIDR and <ACME>-SCRUBBING community
NLRI
ORIGIN
AS_PATH
LP
EXTENDED COMMUNITIES
RT
TUNNEL ENCAP
TLVs
SR Policy
SUB-TLVs
Preference
Binding-SID
SEG-LIST
WEIGHT
SEGMENT(1..n)
"""
channel = grpc.insecure_channel("localhost:50051")
stub = gobgp_pb2_grpc.GobgpApiStub(channel)
attributes = []
segments = []
# bgp-sr-te safi
family = gobgp_pb2.Family(
afi=gobgp_pb2.Family.AFI_IP, safi=gobgp_pb2.Family.SAFI_SR_POLICY
)
# sr-te policy nlri
nlri = Any()
nlri.Pack(
attribute_pb2.SRPolicyNLRI(
color=color,
distinguisher=2,
endpoint=bytes(map(int, endpoint_device.split("."))),
length=96,
)
)
# next-hop
next_hop = Any()
next_hop.Pack(
attribute_pb2.NextHopAttribute(
next_hop=nh,
)
)
attributes.append(next_hop)
# Origin
origin = Any()
origin.Pack(attribute_pb2.OriginAttribute(origin=0))
attributes.append(origin)
# Ext RT Communities
rt = Any()
rt.Pack(
attribute_pb2.IPv4AddressSpecificExtended(
address=target_device, local_admin=0, sub_type=0x02, is_transitive=False
)
)
communities = Any()
communities.Pack(
attribute_pb2.ExtendedCommunitiesAttribute(
communities=[rt],
)
)
attributes.append(communities)
# generic sid used for bsid
sid = Any()
sid.Pack(
attribute_pb2.SRBindingSID(
s_flag=False, i_flag=False, sid=(bsid_value).to_bytes(4, byteorder="big")
)
)
# bsid
bsid = Any()
bsid.Pack(attribute_pb2.TunnelEncapSubTLVSRBindingSID(bsid=sid))
# generic segment lbl
for n in sid_list:
segment = Any()
segment.Pack(
attribute_pb2.SegmentTypeA(
flags=attribute_pb2.SegmentFlags(s_flag=False), label=n << 12
)
)
segments.append(segment)
# segment list
seglist = Any()
seglist.Pack(
attribute_pb2.TunnelEncapSubTLVSRSegmentList(
weight=attribute_pb2.SRWeight(flags=0, weight=12),
segments=segments,
)
)
# pref
pref = Any()
pref.Pack(attribute_pb2.TunnelEncapSubTLVSRPreference(flags=0, preference=11))
# path name not used for now
cpn = Any()
cpn.Pack(
attribute_pb2.TunnelEncapSubTLVSRCandidatePathName(
candidate_path_name="test-path"
)
)
# priority not used for now
pri = Any()
pri.Pack(attribute_pb2.TunnelEncapSubTLVSRPriority(priority=10))
tun = Any()
# generate tunnel
tun.Pack(
attribute_pb2.TunnelEncapAttribute(
tlvs=[
attribute_pb2.TunnelEncapTLV(
type=15,
tlvs=[
pref,
bsid,
seglist,
# cpn,
# pri,
],
)
]
)
)
attributes.append(tun)
stub.AddPath(
gobgp_pb2.AddPathRequest(
table_type=gobgp_pb2.GLOBAL,
path=gobgp_pb2.Path(
nlri=nlri,
pattrs=attributes,
family=family,
best=True,
),
),
_TIMEOUT_SECONDS,
)