def setup_config():
api_config.register_config()
config.register()
cfg.CONF(
args=sys.argv[1:],
project='bagpipe-bgp',
default_config_files=['/etc/bagpipe-bgp/bgp.conf'],
version=(
'%%(prog)s %s' %
pbr.version.VersionInfo('networking-bagpipe').release_string()))
def main():
api_config.register_config()
cfg.CONF(args=[],
project='bagpipe-rest-attach',
default_config_files=['/etc/bagpipe-bgp/bgp.conf'])
usage = "usage: %prog [--attach|--detach] --network-type (ipvpn|evpn) "\
"--port (<port>|netns) --ip <ip>[/<mask>] [options] (see --help)"
parser = optparse.OptionParser(usage)
parser.add_option("--attach",
dest="operation",
action="store_const",
const="attach",
help="attach local port")
parser.add_option("--detach",
dest="operation",
action="store_const",
const="detach",
help="detach local port")
parser.add_option("--network-type",
dest="network_type",
help="network type (ipvpn or evpn)",
choices=[const.IPVPN, const.EVPN])
parser.add_option("--vpn-instance-id",
dest="vpn_instance_id",
help="UUID for the network instance "
"(default: %default-(ipvpn|evpn))",
default=DEFAULT_VPN_INSTANCE_ID)
parser.add_option("--port",
dest="port",
help="local port to attach/detach (use special port "
"'netns[:if]' to have an interface to a local network "
"namespace attached/detached "
"[with 'if' as the name of the interface to the netns]")
parser.add_option("--direction",
dest="direction",
choices=[const.TO_PORT, const.FROM_PORT, const.BOTH],
default=const.BOTH,
help=("local port direction (to-port|from-port|both) "
"in VPN (default: %default)"))
parser.add_option("--rt",
dest="route_targets",
help="route target [default: 64512:0] (can be "
"specified multiple times)",
default=[],
action="append")
parser.add_option("--import-rt",
dest="import_only_rts",
help="import-only route target (can be specified"
"multiple times)",
default=[],
action="append")
parser.add_option("--export-rt",
dest="export_only_rts",
help="export-only route target (can be specified"
"multiple times)",
default=[],
action="append")
parser.add_option("--ip",
dest="ip",
help="IP prefix / mask (mask defaults to /24)")
parser.add_option("--gateway-ip",
dest="gw_ip",
help="IP address of network gateway (optional, "
"defaults to last IP in range)")
parser.add_option("--mac",
dest="mac",
help="MAC address (required for evpn if port"
" is not 'netns')")
parser.set_defaults(advertise_subnet=False)
parser.add_option("--advertise-singleton",
action="store_false",
dest="advertise_subnet",
help="advertise IP address as a /32 (default)")
parser.add_option("--advertise-subnet",
action="store_true",
dest="advertise_subnet",
help="advertise the whole IP subnet")
parser.add_option("--ovs-preplug",
action="store_true",
dest="ovs_preplug",
default=False,
help="should we prealably plug the port "
"into an OVS bridge")
parser.add_option("--ovs-bridge",
dest="bridge",
default="br-int",
help="if preplug, specifies which OVS bridge to use"
" (default: %default)")
parser.add_option("--ovs-vlan",
dest="ovs_vlan",
type='int',
help="if specified, only this VLAN from the OVS "
"interface will be attached to the VPN instance "
"(optional)")
parser.add_option("--netns",
dest="netns",
help="name of network namespace (optional, for use with"
" --port netns)")
parser.add_option("--if2vpn",
dest="if2vpn",
default=NS2VPN_DEFAULT_IFNAME,
help="name of interface in netns toward VPN"
"defaults to %default "
"(optional, for use with --port netns)")
parser.add_option("--readv-from-rt",
dest="readv_from_rts",
help="enables route readvertisement from these RTs,"
" works in conjunction with --readv-to-rt",
default=[],
action="append")
parser.add_option("--readv-to-rt",
dest="readv_to_rts",
help="enables route readvertisement to these RTs,"
" works in conjunction with --readv-from-rt",
default=[],
action="append")
parser.add_option("--redirect-rts",
dest="redirect_rts",
help="Redirection Route Targets to attract traffic, "
"matching the traffic classifier, in specified VRF from "
"any VRF importing this route target",
default=[],
action="append")
parser.add_option("--source-prefix",
dest="sourcePrefix",
type="string",
help="Traffic classifier source prefix "
"filter",
action="callback",
callback=classifier_callback)
parser.add_option("--destination-prefix",
dest="destinationPrefix",
type="string",
help="Traffic classifier destination "
"prefix filter",
action="callback",
callback=classifier_callback)
parser.add_option("--source-port",
dest="sourcePort",
type="string",
help="Traffic classifier source port "
"number or range filter",
action="callback",
callback=classifier_callback)
parser.add_option("--destination-port",
dest="destinationPort",
type="string",
help="Traffic classifier destination port"
" number or range filter",
action="callback",
callback=classifier_callback)
parser.add_option("--protocol",
dest="protocol",
type="string",
help="Traffic classifier IP protocol "
"filter",
action="callback",
callback=classifier_callback)
parser.add_option("--attract-to-rt",
dest="attract_to_rts",
help="enables route advertisement to these RTs,"
" works in conjunction with "
"--static-destination-prefix",
default=[],
action="append")
parser.add_option("--static-destination-prefix",
dest="static_dest_prefixes",
help="static destination prefix to advertise,"
" works in conjunction with --attract-to-rts",
default=[],
action="append")
parser.add_option("--lb-consistent-hash-order",
dest="lb_consistent_hash_order",
default=0,
type="int",
help="Load Balancing consistent hash sort order")
parser.add_option("--vni",
dest="vni",
default=0,
type="int",
help="VXLAN VNI to use for this VPN instance (optional)")
parser.add_option("--local-pref",
dest="local_pref",
default=None,
type="int",
help="BGP LOCAL PREF attribute (optional)")
(options, _) = parser.parse_args()
if not (options.operation):
parser.error("Need to specify --attach or --detach")
if not (options.port):
parser.error("Need to specify --port <localport>")
if not (options.network_type):
parser.error("Need to specify --network-type")
if not (options.ip):
parser.error("Need to specify --ip")
if (len(options.route_targets) == 0
and not (options.import_only_rts or options.export_only_rts)):
if options.network_type == const.IPVPN:
options.route_targets = ["64512:512"]
else:
options.route_targets = ["64512:513"]
import_rts = copy.copy(options.route_targets or [])
for rt in options.import_only_rts:
import_rts.append(rt)
export_rts = copy.copy(options.route_targets or [])
for rt in options.export_only_rts:
export_rts.append(rt)
if not re.match('.*/[0-9]+$', options.ip):
options.ip = options.ip + "/24"
if not (options.gw_ip):
net = netaddr.IPNetwork(options.ip)
print("using %s as gateway address" % str(net[-2]))
options.gw_ip = str(net[-2])
if options.vpn_instance_id == DEFAULT_VPN_INSTANCE_ID:
options.vpn_instance_id = "%s-%s" % (options.network_type,
options.vpn_instance_id)
if options.port.startswith("netns"):
if not options.netns:
options.netns = options.vpn_instance_id
try:
(_, options.if2netns) = options.port.split(":")
except Exception:
options.if2netns = get_vpn2ns_if_name(options.netns)
if options.operation == "attach":
create_special_netns_port(options)
options.port = options.if2netns
if not options.mac:
options.mac = net_utils.get_device_mac(run_log_command,
options.if2vpn,
options.netns)
print("Local port: %s (%s)" % (options.port, options.mac))
run_log_command("ip link show %s" % options.port)
local_port = {}
if options.port[:5] == "evpn:":
if (options.network_type == const.IPVPN):
print("will plug evpn %s into the IPVPN" % options.port[5:])
local_port['evpn'] = {'id': options.port[5:]}
else:
raise Exception("Can only plug an evpn into an ipvpn")
else:
local_port['linuxif'] = options.port
# currently our only the MPLS OVS driver for ipvpn requires preplug
if (options.ovs_preplug and options.network_type == const.IPVPN):
print("pre-plugging %s into %s" % (options.port, options.bridge))
run_log_command("ovs-vsctl del-port %s %s" %
(options.bridge, options.port),
raise_on_error=False)
run_log_command("ovs-vsctl add-port %s %s" %
(options.bridge, options.port))
local_port['ovs'] = {'port_name': options.port, 'plugged': True}
if options.ovs_vlan:
local_port['ovs']['vlan'] = options.ovs_vlan
if not options.mac:
if options.network_type == const.IPVPN:
options.mac = "52:54:00:99:99:22"
else:
parser.error("Need to specify --mac for an EVPN network "
"attachment if port is not 'netns'")
readvertise = None
if options.readv_to_rts:
readvertise = {
"from_rt": options.readv_from_rts,
"to_rt": options.readv_to_rts
}
attract_traffic = dict()
if options.redirect_rts:
if options.classifier:
attract_traffic.update(
dict(redirect_rts=options.redirect_rts,
classifier=options.classifier))
else:
parser.error("Need to specify --redirect-rt and at least one "
"traffic classifier option")
if options.attract_to_rts:
if options.static_dest_prefixes:
attract_traffic.update(
dict(to=options.attract_to_rts,
static_destination_prefixes=options.
static_dest_prefixes))
else:
parser.error("Need to specify --attract-to-rt and at least "
"one static destination prefix option")
data = {
"import_rt": import_rts,
"export_rt": export_rts,
"local_port": local_port,
"vpn_instance_id": options.vpn_instance_id,
"vpn_type": options.network_type,
"gateway_ip": options.gw_ip,
"mac_address": options.mac,
"ip_address": options.ip,
"advertise_subnet": options.advertise_subnet,
"readvertise": readvertise,
"attract_traffic": attract_traffic,
"lb_consistent_hash_order": options.lb_consistent_hash_order,
"vni": options.vni
}
if options.local_pref:
data['local_pref'] = options.local_pref
if options.direction:
data['direction'] = options.direction
json_data = jsonutils.dumps(data)
print("request: %s" % json_data)
os.environ['NO_PROXY'] = "127.0.0.1"
req = urllib2.Request(
"http://127.0.0.1:%d/%s_localport" %
(cfg.CONF.API.port, options.operation), json_data,
{'Content-Type': 'application/json'})
try:
response = urllib2.urlopen(req)
response_content = response.read()
response.close()
print("response: %d %s" % (response.getcode(), response_content))
except urllib2.HTTPError as e:
error_content = e.read()
print(" %s" % error_content)
sys.exit("error %d, reason: %s" % (e.code, e.reason))
def main():
api_config.register_config()
try:
cfg.CONF(args=[],
project='bagpipe-looking-glass',
default_config_files=['/etc/bagpipe-bgp/bgp.conf'])
api_port = cfg.CONF.API.port
except cfg.ConfigFilesNotFoundError:
api_port = api_config.DEFAULT_PORT
usage = """ %prog [--server <ip>] path to object in looking-glass
e.g.: %prog vpns instances"""
parser = optparse.OptionParser(usage)
parser.add_option(
"--server",
dest="server",
default="127.0.0.1",
help="IP address of BaGPipe BGP (optional, default: %default)")
parser.add_option("--port",
dest="port",
type="int",
default=api_port,
help="Port of BaGPipe BGP (optional, default: %default)")
parser.add_option(
"--prefix",
dest="prefix",
default=LOOKING_GLASS_BASE,
help="Looking-glass URL Prefix (optional, default: %default)")
parser.add_option(
"-r",
"--recurse",
dest="recurse",
action="store_true",
default=False,
help="Recurse down into the whole looking-glass (disabled by default)")
(options, args) = parser.parse_args()
quoted_args = [urllib2.quote(arg) for arg in args]
target_url = "http://%s:%d/%s/%s" % (options.server, options.port,
options.prefix, "/".join(quoted_args))
try:
os.environ['NO_PROXY'] = options.server
response = urllib2.urlopen(target_url)
if response.getcode() == 200:
data = jsonutils.load(response)
if (isinstance(data, dict) and "href" in data):
target_url_bis = data["href"]
response_bis = urllib2.urlopen(target_url_bis)
if response.getcode() == 200:
target_url = target_url_bis
data = jsonutils.load(response_bis)
pretty_print_recurse(data,
0,
options.recurse,
target_url,
already_anew_line=True)
except urllib2.HTTPError as e:
if e.code == 404:
print("No such looking glass path: %s\n(%s)" %
(" ".join(quoted_args), target_url))
else:
print("Error code %d: %s" % (e.getcode(), e.read()))
return
except urllib2.URLError as e:
print("No server at http://%s:%d : %s" %
(options.server, options.port, e))
def main():
api_config.register_config()
try:
cfg.CONF(args=[],
project='bagpipe-impex2dot',
default_config_files=['/etc/bagpipe-bgp/bgp.conf'])
api_port = cfg.CONF.API.port
except cfg.ConfigFilesNotFoundError:
api_port = api_config.DEFAULT_PORT
usage = """ %prog [options]
Example: bagpipe-impex2dot --server s1 --server s2 | dot -Tpdf > impex.pdf
"""
parser = optparse.OptionParser(usage)
parser.add_option(
"--server", dest="servers", default=[], action="append",
help="IP address of a BaGPipe BGP instances (default: localhost)")
parser.add_option(
"--port", dest="port", type="int", default=api_port,
help="Port of BaGPipe BGP (optional, default: %default)")
parser.add_option(
"--prefix", dest="prefix", default=LOOKING_GLASS_BASE,
help="Looking-glass URL Prefix (optional, default: %default)")
(options, _) = parser.parse_args()
if len(options.servers) == 0:
options.servers = ["localhost"]
ports = set()
dests = set()
print('digraph import_export {')
print(' node [fontname="Helvetica"];')
print(' edge [fontname="Helvetica"];')
print(' nodesep=0.55;')
(rts, vpns) = get_all(options)
print(' subgraph rts {')
print(' rank=same;')
for rt in rts:
label = rt.upper().replace('_', '\\n')
print(' %s [shape="circle",label="%s",%s];' % (rt, label,
RT_TXT_STYLE))
print(' }')
print(' subgraph ipvpns {')
print(' rank=same;')
for (server, vpn, _) in filter(lambda x: x[2] == 'VRF', vpns):
server_spec = ("\\n[%s]" % server) if server != 'localhost' else ''
print(' %s [label="{<0>VRF\\n%s%s|<readv>}",'
'shape="record"];' % (vpn_uid(server, vpn), vpn_short(vpn),
server_spec))
print(' }')
print(' subgraph evpns {')
for (server, vpn, _) in filter(lambda x: x[2] == 'EVI', vpns):
server_spec = ("\\n[%s]" % server) if server != 'localhost' else ''
print(' %s [label="{<0>EVI\\n%s%s}",'
'shape="record"];' % (vpn_uid(server, vpn), vpn_short(vpn),
server_spec))
print(' }')
for (server, vpn, _) in vpns:
print(' /* %s:%s */' % (server, vpn))
uid = vpn_uid(server, vpn)
for rt_i in request(options, server, ["vpns", "instances", vpn,
"route_targets", "import"]):
print(' %s -> %s:0 [%s];' % (normalize(rt_i), uid,
RT_STYLE))
for rt_e in request(options, server, ["vpns", "instances", vpn,
"route_targets", "export"]):
print(' %s:0 -> %s [%s];' % (uid, normalize(rt_e),
RT_STYLE))
readvertise = request(options, server, ["vpns", "instances",
vpn, "readvertise"])
if readvertise:
readv = "%s:readv" % vpn_uid(server, vpn)
print(' %s -> %s [label="",%s];' %
(normalize(readvertise['from'][0]),
readv,
RT_STYLE_REDIR_FROM_RT))
print(' %s -> %s [label="",%s];' %
(readv,
normalize(readvertise['to'][0]),
RT_STYLE_REDIR_TO_RT))
attract = readvertise.get('attract_traffic', None)
if attract:
intermediate = "%s_%s_attract" % (normalize(server),
normalize(vpn))
print(' %s [style=invis,height=0,width=0,'
'fixedsize=true,rank=1]' % intermediate)
redir_rt = attract['redirect_rts'][0]
# readv -> intermediate
print(' %s -> %s [label="flow",%s];' %
(readv, intermediate,
RT_STYLE_FLOWSPEC_INTER))
# intermediate -> flowspec route RT
print(' %s -> %s [label="",weight=50,%s];' %
(intermediate, normalize(redir_rt),
RT_STYLE_FLOWSPEC))
# intermediate -> flowspec route redirect action RT
print(' %s -> %s [label="action",%s,arrowhead=none'
',weight=20];' %
(intermediate, normalize(readvertise['to'][0]),
RT_STYLE_FLOWSPEC_ACTION))
for port in request(options, server, ["vpns", "instances",
vpn, "ports"]).keys():
print(' %s -> port_%s_%s [%s,weight=5];' % (uid,
normalize(server),
normalize(port),
PORT_LINK_STYLE))
ports.add((server, normalize(port)))
# possible link between an E-VPN and an IPVPN ?
ipvpn = request(options, server, ["vpns", "instances",
vpn, "gateway_port", "ipvpn"])
if ipvpn:
ipvpn_id = ipvpn['external_instance_id']
print(' %s -> %s [weight=500];' % (uid,
vpn_uid(server, ipvpn_id))
)
for (server, port) in ports:
print(' port_%s_%s [label="",style=invis,height=0,width=0,'
'fixedsize=true];' % (normalize(server),
normalize(port)))
if port.startswith('to_'):
dest = port.split('_')[1]
print(' port_%s_%s -> dest_%s_%s [style=dashed,'
'dir=none,color="gray"'
',weight=5];' %
(normalize(server), normalize(port), normalize(server),
dest))
dests.add((server, dest))
for (server, dest) in dests:
print(' dest_%s_%s [label="%s\\n[%s]",shape="square",'
'color="gray"];' % (normalize(server),
normalize(dest), dest, server))
print('}')