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Code Issues Releases Wiki Activity

roa.py: export format

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This commit is contained in:
JerryXiao 2020-05-02 20:15:18 +08:00
parent 61024759a3
commit 24cd86065b
Signed by: Jerry
GPG key ID: 9D9CE43650FF2BAA
2 changed files with 28 additions and 6 deletions
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2
route/10.127.255.56,32
View file

@ -1,4 +1,4 @@
TYPE="LO"
NAME="frank-hsinchu"
NAME="frank-hsinchu-1"
DESC="Ubuntu/bird"
ASN="4201270004"

32
scripts/roa.py
View file

@ -4,7 +4,7 @@
from pathlib import Path
from ipaddress import IPv4Network, IPv6Network
from itertools import combinations
import re
class BashParser:
def __init__(self):
@ -53,7 +53,16 @@ def str2asn(s_asn):
return int(s_asn)
def name2nichdl(name):
r, num = re.subn(r'[^0-9A-Z]', '-', name.upper())
_r = len(r.replace('-', ''))
assert _r >= 3 # has at least 3 effective chars
assert r[0] != '-' # starts with [0-9A-Z]
assert num < _r # not too many subs
return r
def neoneo_get_people():
nic_hdl_names = set()
people = dict()
for f in (cwd / "entity").iterdir():
try:
@ -63,6 +72,10 @@ def neoneo_get_people():
present_keys = ('name', 'desc', 'contact', 'babel')
assert f.name
people[f.name] = {k: fc.get(k) for k in present_keys}
nic_hdl = name2nichdl(f.name)
assert nic_hdl not in nic_hdl_names
nic_hdl_names.add('nic_hdl')
people[f.name]['nic_hdl'] = nic_hdl
for v in people[f.name].values():
assert v is not None
except Exception:
@ -105,6 +118,7 @@ def node2asn():
NODE_TABLE = node2asn()
def neonet_route2roa(dirname, is_ipv6=False):
net_names = set()
roa_entries = list()
for f in (cwd / dirname).iterdir():
try:
@ -113,20 +127,26 @@ def neonet_route2roa(dirname, is_ipv6=False):
fc = shell2dict(f.read_text())
nettype = IPv6Network if is_ipv6 else IPv4Network
get_supernet = lambda s_net: None if not s_net else nettype(s_net, strict=True)
roa_entries_key = ("asn", "prefix", "supernet")
roa_entries_key = ("asn", "prefix", "supernet", "netname")
if fc.get('type').lower() in ('lo', 'subnet'):
asn = str2asn(fc.get('asn'))
assert asn in ASNS
route = f.name.replace(',', '/')
supernet = get_supernet(fc.get('supernet'))
roa_entries.append(dict(zip(roa_entries_key, [asn, nettype(route, strict=True), supernet])))
netname = name2nichdl(fc.get('name'))
assert netname not in net_names
net_names.add(netname)
roa_entries.append(dict(zip(roa_entries_key, [asn, nettype(route, strict=True), supernet, netname])))
elif fc.get('type').lower().startswith('tun'):
assert NODE_TABLE[fc.get('downstream')] # extra check for downstream
asn = NODE_TABLE[fc.get('upstream')]
assert asn in ASNS
route = f.name.replace(',', '/')
supernet = get_supernet(fc.get('supernet'))
roa_entries.append(dict(zip(roa_entries_key, [asn, nettype(route, strict=True), supernet])))
netname = name2nichdl("%s-%s" % (fc.get('type'), route))
assert netname not in net_names
net_names.add(netname)
roa_entries.append(dict(zip(roa_entries_key, [asn, nettype(route, strict=True), supernet, netname])))
else:
assert fc.get('type').lower() in ('ptp',)
except Exception:
@ -193,13 +213,15 @@ if __name__ == "__main__":
as_route4 = list()
as_route6 = list()
vkeys = [k for k in VALID_KEYS if k != 'asn']
vkeys.append('netname')
for roa, as_route in ((roa4, as_route4), (roa6, as_route6)):
for r in roa:
if r['asn'] == asn:
as_route.append({k:v for k, v in r.items() if k in vkeys})
owner = asi['owner']
peopledict = d_output['people'].setdefault(owner, {"info": PEOPLE[owner], "asns": list()})
peopledict['asns'].append({"asn": asn, "routes": {'ipv4': as_route4, 'ipv6': as_route6}})
peopledict['asns'].append({"asn": asn, **{k:v for k, v in ASNS[asn].items() if k != 'owner'},
"routes": {'ipv4': as_route4, 'ipv6': as_route6}})
output = json.dumps(d_output, indent=2)
elif args.json:
import json, time