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Fix ZTE BGP RR *i/RD parsing and add batch collect detail UX.

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Decouple heavy CLI parse via ParsePool, keep ECMP/multi-RD keys, and expose per-command CLI lines vs DB rows with raw.txt export.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-09-23 10:52:43 +08:00
parent 4c5738e48e
commit 05357e971e
31 changed files with 1952 additions and 269 deletions
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79
netx_api/biz_state/parsers/zte/bgp_route.py
View file

@ -13,21 +13,22 @@ from .bgp_peer import _detect_bgp_afi, _detect_local_as, _detect_vrf
RULE_KEYS = ("zte_zxros_show_bgp_neighbor_routes",)
# Single-line IPv4-style: * 10.1.0.0/24 10.0.0.1 … path
# Status codes may be glued or spaced: "*", "* i", "*>i", "* s", "< *"
_FLAGS = r"(?P<flags>(?:[*<>isd]+(?:\s+[*<>isd]+)*)?)"
# Single-line IPv4-style: * i 10.1.0.0/24 10.0.0.1 … path
_ROUTE_ONE_LINE_RE = re.compile(
r"^\s*(?P<flags>[*<>isd]*)\s*"
rf"^\s*{_FLAGS}\s+"
r"(?P<net>\S+)\s+"
r"(?P<nh>\S+)\s+"
r"(?P<rest>.*)$"
)
# Network alone (often IPv6 wrap): * 2407::1/128 or bare prefix for "out"
_NET_ONLY_RE = re.compile(
r"^\s*(?P<flags>[*<>isd]*)\s*(?P<net>\S+)\s*$"
)
# Network alone (often IPv6 wrap): * i 2407::1/128
_NET_ONLY_RE = re.compile(rf"^\s*{_FLAGS}\s*(?P<net>\S+)\s*$")
_DIR_RE = re.compile(r"(?i)\bneighbor\s+(in|out)\s+")
# Neighbor may be IPv4 or IPv6 (consume until EOL / pipe)
_NEI_RE = re.compile(r"(?i)\bneighbor\s+(?:in|out)\s+(\S+)")
_TOTAL_RE = re.compile(r"(?i)total\s+number\s+of\s+routes\s*:\s*(\d+)")
_RD_RE = re.compile(r"(?i)^Route\s+Distinguisher\s*:\s*(\S+)")
_HEADER_NETS = frozenset(
{
"network",
@ -80,6 +81,21 @@ def _looks_like_prefix(net: str) -> bool:
return _looks_like_ip_or_prefix(net)
def _declared_total(raw_text: str) -> int | None:
m = _TOTAL_RE.search(str(raw_text or ""))
if not m:
return None
try:
return int(m.group(1))
except ValueError:
return None
def _route_dedupe_key(*, rd: str, net: str, nh: str) -> str:
"""ECMP / multi-RD: same prefix with different RD or next-hop is distinct."""
return f"{rd}\0{net}\0{nh}"
def _split_rest(rest: str, *, path_continuation: bool = False) -> tuple[str, str, str, str]:
"""Parse trailing Metric LocPrf Tag/RtPrf Path columns (some may be blank).
@ -118,8 +134,8 @@ def _split_rest(rest: str, *, path_continuation: bool = False) -> tuple[str, str
def _empty_if_total_zero(raw_text: str) -> bool:
"""True when device reports Total number of routes: 0."""
m = _TOTAL_RE.search(str(raw_text or ""))
return bool(m and int(m.group(1)) == 0)
total = _declared_total(raw_text)
return total == 0
def _skip_noise_line(line: str) -> bool:
@ -134,9 +150,7 @@ def _skip_noise_line(line: str) -> bool:
return True
if low.startswith("local ") or low.startswith("remote ") or low.startswith("total "):
return True
if low.startswith("route distinguisher") or low.startswith("valid ") or low.startswith(
"invalid "
):
if low.startswith("valid ") or low.startswith("invalid "):
return True
# Banner / clock lines (e.g. "09:50:02 Indonesia Sat Sep 19 2026")
if re.match(r"^\d{1,2}:\d{2}:\d{2}\b", low):
@ -157,19 +171,24 @@ def _emit_route(
vrf: str,
neighbor: str,
direction: str,
rd: str,
net: str,
nh: str,
rest: str,
flags: str,
path_continuation: bool = False,
) -> None:
if not _looks_like_prefix(net) or net in seen:
if not _looks_like_prefix(net):
return
if nh and not _looks_like_ip_or_prefix(nh):
# Path/metric-only continuation without a real next-hop — keep empty nh
if re.search(r"[A-Za-z]", nh):
return
seen.add(net)
nh = ""
key = _route_dedupe_key(rd=rd, net=net, nh=nh or "")
if key in seen:
return
seen.add(key)
metric, loc, tag, path = _split_rest(rest, path_continuation=path_continuation)
out.append(
{
@ -178,13 +197,14 @@ def _emit_route(
"vrf": vrf[:128],
"neighbor": neighbor[:128],
"direction": direction[:8],
"rd": (rd or "")[:64],
"network": net[:128],
"next_hop": (nh or "")[:128],
"metric": metric[:32],
"loc_prf": loc[:32],
"tag": tag[:32],
"path": path[:256],
"status_codes": (flags or "").strip()[:16],
"status_codes": re.sub(r"\s+", "", (flags or "").strip())[:16],
"as_num": "",
"state": "",
"pfx_rcd": "",
@ -205,7 +225,7 @@ def _map_fsm_rows(
seen: set[str] = set()
for r in rows:
net = row_get(r, "NETWORK", "network")
if not _looks_like_prefix(net) or net in seen:
if not _looks_like_prefix(net):
continue
nh = row_get(r, "NEXT_HOP", "next_hop")
if str(nh or "").strip().lower() in _HEADER_NETS:
@ -213,8 +233,13 @@ def _map_fsm_rows(
if nh and not _looks_like_ip_or_prefix(nh):
# Reject FSM false hits like NETWORK=20 NEXT_HOP=65254
continue
seen.add(net)
rd = row_get(r, "RD", "rd")
key = _route_dedupe_key(rd=rd, net=net, nh=nh or "")
if key in seen:
continue
seen.add(key)
path = row_get(r, "PATH", "path")
flags = row_get(r, "STATUS", "status_codes", "FLAGS")
out.append(
{
"local_as": local_as[:16],
@ -222,13 +247,14 @@ def _map_fsm_rows(
"vrf": vrf[:128],
"neighbor": neighbor[:128],
"direction": direction[:8],
"rd": (rd or "")[:64],
"network": net[:128],
"next_hop": nh[:128],
"metric": row_get(r, "METRIC", "metric")[:32],
"loc_prf": row_get(r, "LOC_PRF", "loc_prf")[:32],
"tag": row_get(r, "TAG", "RT_PRF", "tag")[:32],
"path": path[:256],
"status_codes": "",
"status_codes": re.sub(r"\s+", "", (flags or "").strip())[:16],
"as_num": "",
"state": "",
"pfx_rcd": "",
@ -253,6 +279,7 @@ def _hand_parse(
pending_net = ""
pending_flags = ""
pending_nh = ""
current_rd = ""
def _flush_pending(*, rest: str = "", path_continuation: bool = False) -> None:
nonlocal pending_net, pending_flags, pending_nh
@ -266,6 +293,7 @@ def _hand_parse(
vrf=vrf,
neighbor=neighbor,
direction=direction,
rd=current_rd,
net=pending_net,
nh=pending_nh,
rest=rest,
@ -278,6 +306,11 @@ def _hand_parse(
for raw in str(raw_text or "").splitlines():
line = raw.rstrip()
rd_m = _RD_RE.match(line.strip())
if rd_m:
_flush_pending()
current_rd = rd_m.group(1).strip()
continue
if _skip_noise_line(line):
continue
@ -299,7 +332,7 @@ def _hand_parse(
_flush_pending(rest=tok, path_continuation=True)
continue
# Full one-liner (typical IPv4)
# Full one-liner (typical IPv4 / RR "* i prefix …")
m = _ROUTE_ONE_LINE_RE.match(line)
if m and _looks_like_prefix(m.group("net")) and _looks_like_ip_or_prefix(m.group("nh")):
_flush_pending()
@ -311,6 +344,7 @@ def _hand_parse(
vrf=vrf,
neighbor=neighbor,
direction=direction,
rd=current_rd,
net=m.group("net"),
nh=m.group("nh"),
rest=m.group("rest"),
@ -382,7 +416,14 @@ def normalize_bgp_route(
**kw,
)
return prefer_fsm(tables, RULE_KEYS, _map, _hand, raw_text=raw_text)
rows = prefer_fsm(tables, RULE_KEYS, _map, _hand, raw_text=raw_text)
# If device declared a large table but FSM/hand returned a tiny subset, prefer hand.
declared = _declared_total(raw_text)
if declared is not None and declared > 0 and len(rows) < max(1, declared // 2):
hand_rows = _hand(raw_text=raw_text)
if len(hand_rows) > len(rows):
return hand_rows
return rows
normalize_bgp_route.RULE_KEYS = RULE_KEYS