mirror of
https://github.com/hansjone/netx.git
synced 2026-10-09 05:30:46 +08:00
oliver
dd8d46aebc
Filter peers by AFI (and VRF pairs for CE), support zip/pair bindings in discover UI, and tag FIB rows with address_families. Co-authored-by: Cursor <cursoragent@cursor.com>
245 lines
8.7 KiB
Python
245 lines
8.7 KiB
Python
"""One-shot discover for placeholder candidates (VRF list, etc.)."""
|
|
|
|
from __future__ import annotations
|
|
|
|
from typing import Any
|
|
|
|
from fastapi import HTTPException
|
|
from sqlalchemy.orm import Session
|
|
|
|
from ..cli_creds import cli_creds_skip_reason
|
|
from ..cli_resolve import resolve_cli_target
|
|
from ..config import settings
|
|
from ..lldp_shared import resolve_vendor_key
|
|
from ..models import BizStateTask
|
|
from ..ne_netmiko import disable_target_paging, send_show_command
|
|
from ..ne_session_factory import close_netmiko_connection, open_netmiko_connection
|
|
from .command_match import (
|
|
_record_passes_discover_filter,
|
|
shared_discover_placeholders,
|
|
)
|
|
from .parsers import get_parser, run_parser
|
|
from .profiles import get_profile
|
|
|
|
|
|
def resolve_discover_profile(
|
|
*,
|
|
discover_profile_id: str = "",
|
|
collect_profile_id: str = "",
|
|
placeholder: str = "",
|
|
) -> Any:
|
|
if discover_profile_id:
|
|
p = get_profile(discover_profile_id)
|
|
if not p:
|
|
raise HTTPException(status_code=404, detail="discover_profile_not_found")
|
|
return p
|
|
collect = get_profile(collect_profile_id)
|
|
if not collect:
|
|
raise HTTPException(status_code=404, detail="collect_profile_not_found")
|
|
ph_name = str(placeholder or "").strip()
|
|
for ph in collect.placeholders:
|
|
if ph_name and ph.name != ph_name:
|
|
continue
|
|
if ph.discover_profile_id:
|
|
disc = get_profile(ph.discover_profile_id)
|
|
if disc:
|
|
return disc
|
|
raise HTTPException(status_code=400, detail="no_discover_profile_for_placeholder")
|
|
|
|
|
|
def discover_params(
|
|
db: Session,
|
|
*,
|
|
source: str = "managed",
|
|
ne_id: str = "",
|
|
task_id: str = "",
|
|
discover_profile_id: str = "",
|
|
collect_profile_id: str = "",
|
|
placeholder: str = "",
|
|
) -> dict[str, Any]:
|
|
src = str(source or "managed").strip().lower() or "managed"
|
|
nid = str(ne_id or "").strip()
|
|
if task_id and not nid:
|
|
task = db.get(BizStateTask, task_id)
|
|
if not task:
|
|
raise HTTPException(status_code=404, detail="task_not_found")
|
|
src = str(task.source or src)
|
|
nid = str(task.ne_id or "")
|
|
if not nid:
|
|
raise HTTPException(status_code=400, detail="ne_id_required")
|
|
|
|
disc = resolve_discover_profile(
|
|
discover_profile_id=discover_profile_id,
|
|
collect_profile_id=collect_profile_id,
|
|
placeholder=placeholder,
|
|
)
|
|
value_field = "vrf_name"
|
|
label_field = "vrf_name"
|
|
collect = get_profile(collect_profile_id) if collect_profile_id else None
|
|
pair_phs = shared_discover_placeholders(collect) if collect else []
|
|
active_ph = None
|
|
if collect:
|
|
for ph in collect.placeholders:
|
|
if placeholder and ph.name != placeholder:
|
|
continue
|
|
if ph.discover_value_field:
|
|
value_field = ph.discover_value_field
|
|
if ph.discover_label_field:
|
|
label_field = ph.discover_label_field
|
|
active_ph = ph
|
|
break
|
|
# Pair discover: filter with the first shared placeholder's AF rules.
|
|
if pair_phs and not placeholder:
|
|
active_ph = pair_phs[0]
|
|
value_field = str(active_ph.discover_value_field or active_ph.name or value_field)
|
|
label_field = str(active_ph.discover_label_field or label_field)
|
|
|
|
try:
|
|
if src == "managed":
|
|
creds, info = resolve_cli_target(db, managed_ne_id=nid)
|
|
elif src == "ume":
|
|
creds, info = resolve_cli_target(db, ume_ne_id=nid)
|
|
else:
|
|
raise HTTPException(status_code=400, detail="invalid_source")
|
|
except HTTPException:
|
|
raise
|
|
except Exception as exc:
|
|
raise HTTPException(status_code=400, detail=f"resolve_failed: {exc}") from exc
|
|
|
|
skip = cli_creds_skip_reason(creds, interactive=False)
|
|
if skip:
|
|
raise HTTPException(status_code=400, detail=skip)
|
|
|
|
vendor = str(info.get("vendor") or creds.get("vendor") or "")
|
|
device_type = str(info.get("device_type") or creds.get("device_type") or "")
|
|
command = str(disc.command_template or "").strip()
|
|
per_cmd = int(settings.ne_collect_read_timeout_sec or 120)
|
|
raw = ""
|
|
try:
|
|
conn = open_netmiko_connection(creds, session_timeout=per_cmd + 60)
|
|
try:
|
|
try:
|
|
disable_target_paging(conn, vendor=vendor, device_type=device_type)
|
|
except Exception:
|
|
pass
|
|
raw = send_show_command(conn, command, read_timeout=per_cmd)
|
|
finally:
|
|
close_netmiko_connection(conn)
|
|
except Exception as exc:
|
|
return {
|
|
"ok": False,
|
|
"error": f"cli_failed: {exc}",
|
|
"discover_profile_id": disc.profile_id,
|
|
"command": command,
|
|
"candidates": [],
|
|
"raw_preview": str(raw or "")[:4000],
|
|
}
|
|
|
|
records: list[dict[str, Any]] = []
|
|
if get_parser(disc.parser_id):
|
|
try:
|
|
records, _fsm_tables, _rule_keys = run_parser(
|
|
disc.parser_id,
|
|
raw_text=raw,
|
|
vendor=vendor,
|
|
device_type=device_type,
|
|
command=disc.textfsm_command or command,
|
|
params={},
|
|
textfsm_command=disc.textfsm_command or "",
|
|
)
|
|
except Exception as exc:
|
|
return {
|
|
"ok": False,
|
|
"error": f"parse_failed: {exc}",
|
|
"discover_profile_id": disc.profile_id,
|
|
"command": command,
|
|
"candidates": [],
|
|
"raw_preview": str(raw or "")[:4000],
|
|
}
|
|
|
|
candidates = []
|
|
seen: set[str] = set()
|
|
# Shared discover profile → one candidate per (placeholder fields) tuple.
|
|
if pair_phs and len(pair_phs) >= 2:
|
|
filter_ph = pair_phs[0]
|
|
for rec in records:
|
|
if not _record_passes_discover_filter(rec, filter_ph):
|
|
# Also require every paired field non-empty.
|
|
continue
|
|
bind: dict[str, str] = {}
|
|
ok = True
|
|
for ph in pair_phs:
|
|
if not _record_passes_discover_filter(rec, ph):
|
|
ok = False
|
|
break
|
|
vf = str(ph.discover_value_field or ph.name or "").strip()
|
|
val = str(rec.get(vf) or "").strip()
|
|
if not val:
|
|
ok = False
|
|
break
|
|
bind[ph.name] = val
|
|
if not ok:
|
|
continue
|
|
key = "|".join(f"{k}={bind[k]}" for k in sorted(bind))
|
|
if key in seen:
|
|
continue
|
|
seen.add(key)
|
|
as_num = str(rec.get("remote_as") or "").strip()
|
|
label_parts = [bind.get(ph.name, "") for ph in pair_phs]
|
|
label = " / ".join(p for p in label_parts if p)
|
|
if as_num:
|
|
label = f"{label} (AS {as_num})"
|
|
candidates.append(
|
|
{
|
|
"value": key,
|
|
"label": label,
|
|
"rd": str(rec.get("rd") or ""),
|
|
"protocols": str(
|
|
rec.get("protocols")
|
|
or rec.get("address_families")
|
|
or rec.get("afi")
|
|
or ""
|
|
),
|
|
"bindings": bind,
|
|
"extra": rec,
|
|
}
|
|
)
|
|
else:
|
|
for rec in records:
|
|
if active_ph and not _record_passes_discover_filter(rec, active_ph):
|
|
continue
|
|
val = str(rec.get(value_field) or "").strip()
|
|
if not val or val in seen:
|
|
continue
|
|
seen.add(val)
|
|
label = str(rec.get(label_field) or val).strip() or val
|
|
as_num = str(rec.get("remote_as") or "").strip()
|
|
if as_num and value_field == "neighbor":
|
|
label = f"{label} (AS {as_num})"
|
|
candidates.append(
|
|
{
|
|
"value": val,
|
|
"label": label,
|
|
"rd": str(rec.get("rd") or ""),
|
|
"protocols": str(
|
|
rec.get("protocols")
|
|
or rec.get("address_families")
|
|
or rec.get("afi")
|
|
or ""
|
|
),
|
|
"bindings": {str(active_ph.name if active_ph else value_field): val},
|
|
"extra": rec,
|
|
}
|
|
)
|
|
|
|
return {
|
|
"ok": True,
|
|
"error": "",
|
|
"discover_profile_id": disc.profile_id,
|
|
"command": command,
|
|
"vendor_key": resolve_vendor_key(vendor, device_type),
|
|
"value_field": value_field,
|
|
"pair_mode": bool(pair_phs and len(pair_phs) >= 2),
|
|
"candidates": candidates,
|
|
"raw_preview": str(raw or "")[:4000],
|
|
}
|