333 lines
12 KiB
Python
333 lines
12 KiB
Python
from fastapi import FastAPI, Header, HTTPException, Request
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from fastapi.responses import StreamingResponse
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from fastapi.staticfiles import StaticFiles
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import httpx
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from typing import Annotated
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import asyncio
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import json
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import time
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app = FastAPI()
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DECK_APIS = {
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"prod": "https://deck-api.ngcloud.ru/api/v1",
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"dev": "https://deck-api-dev.ngcloud.ru/api/v1",
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"test": "https://deck-api-test.ngcloud.ru/api/v1",
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}
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DEFAULT_DECK_ENV = "test"
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CACHE_TTL_SECONDS = 180
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GRAPH_CACHE: dict[str, tuple[float, dict]] = {}
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def auth_headers(token: str):
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return {"Authorization": f"Bearer {token}"}
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def resolve_deck_api(env_raw: str | None) -> tuple[str, str]:
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env = (env_raw or DEFAULT_DECK_ENV).strip().lower()
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if env not in DECK_APIS:
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env = DEFAULT_DECK_ENV
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return env, DECK_APIS[env]
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def _as_text(value) -> str:
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if value is None:
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return ""
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if isinstance(value, str):
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return value.strip()
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if isinstance(value, (int, float, bool)):
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return str(value).strip()
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if isinstance(value, dict):
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for key in ("value", "displayValue", "name", "label", "id", "text"):
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nested = _as_text(value.get(key))
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if nested:
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return nested
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return ""
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def extract_platform_name(inst: dict | None) -> str:
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if not isinstance(inst, dict):
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return ""
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sources = [
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inst.get("parameters"),
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inst.get("params"),
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inst.get("instanceParameters"),
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inst.get("inputParameters"),
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]
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needles = ("platform", "kuber", "k8s", "cluster", "shturval", "штурвал")
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for src in sources:
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if isinstance(src, dict):
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for key, value in src.items():
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key_s = str(key).strip().lower()
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if any(n in key_s for n in needles):
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txt = _as_text(value)
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if txt:
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return txt
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elif isinstance(src, list):
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for item in src:
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if not isinstance(item, dict):
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continue
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key_s = str(item.get("name") or item.get("key") or item.get("code") or "").strip().lower()
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if any(n in key_s for n in needles):
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txt = _as_text(item.get("value") or item.get("displayValue") or item.get("text"))
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if txt:
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return txt
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return ""
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async def fetch_all_instances(token: str, deck_api: str):
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params: dict = {"page": 1, "size": 200}
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all_results = []
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async with httpx.AsyncClient(timeout=20) as client:
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while True:
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r = await client.get(
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f"{deck_api}/index.cfm/instances",
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headers=auth_headers(token),
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params=params,
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)
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if r.status_code == 401:
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raise HTTPException(status_code=401, detail="Invalid token")
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data = r.json()
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results = data.get("results", [])
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all_results.extend(results)
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if len(results) < 200:
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break
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params["page"] += 1
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return all_results
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@app.get("/api/instances")
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async def list_instances(
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request: Request,
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x_deck_token: Annotated[str | None, Header()] = None,
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x_deck_env: Annotated[str | None, Header()] = None,
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):
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if not x_deck_token:
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raise HTTPException(status_code=401, detail="Token required")
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_, deck_api = resolve_deck_api(x_deck_env)
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# parse status from query string manually (FastAPI list param can fail behind ingress rewrite)
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status_list = request.query_params.getlist("status")
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all_results = await fetch_all_instances(x_deck_token, deck_api)
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if status_list:
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all_results = [i for i in all_results if i.get("explainedStatus") in status_list]
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return {"instances": all_results, "total": len(all_results)}
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@app.get("/api/graph")
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async def get_graph(
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request: Request,
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x_deck_token: Annotated[str | None, Header()] = None,
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x_deck_env: Annotated[str | None, Header()] = None,
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):
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if not x_deck_token:
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raise HTTPException(status_code=401, detail="Token required")
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env, deck_api = resolve_deck_api(x_deck_env)
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status_list = request.query_params.getlist("status")
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root_uid = request.query_params.get("root_uid")
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depth_raw = request.query_params.get("depth", "2")
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try:
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depth = max(1, min(5, int(depth_raw)))
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except ValueError:
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depth = 2
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status_key = ",".join(sorted(status_list)) if status_list else "__all__"
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cache_key = f"{x_deck_token[:24]}::{env}::{status_key}"
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now = time.time()
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cached = GRAPH_CACHE.get(cache_key)
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if cached and (now - cached[0] < CACHE_TTL_SECONDS):
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base_graph = cached[1]
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else:
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all_instances = await fetch_all_instances(x_deck_token, deck_api)
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if status_list:
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all_instances = [i for i in all_instances if i.get("explainedStatus") in status_list]
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uid_to_inst = {
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i.get("instanceUid"): i
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for i in all_instances
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if i.get("instanceUid")
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}
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allowed_uids = set(uid_to_inst.keys())
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sem = asyncio.Semaphore(20)
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async def fetch_detail(uid: str, client: httpx.AsyncClient):
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async with sem:
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try:
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r = await client.get(
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f"{deck_api}/index.cfm/instances/{uid}",
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headers=auth_headers(x_deck_token),
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)
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if r.status_code == 401:
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raise HTTPException(status_code=401, detail="Invalid token")
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if r.status_code >= 400:
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return uid, None
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return uid, r.json().get("instance")
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except httpx.TimeoutException:
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return uid, None
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async with httpx.AsyncClient(timeout=25) as shared_client:
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details = await asyncio.gather(*[fetch_detail(uid, shared_client) for uid in allowed_uids])
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detail_map = {uid: inst for uid, inst in details if inst}
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# Categorise singletons by service name
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_PLATFORM_PATTERNS = ("виртуальный датацентр", "vdc", "virtual data center", "cloud director", "kubernetes", "k8s")
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_SINGLETON_PATTERNS = ("object storage", "s3", "edge", "шлюз периметра", "dns", "container registry", "реестр контейнеров")
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def _is_platform_svc(svc_name: str) -> bool:
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s = svc_name.strip().lower()
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return any(p in s for p in _PLATFORM_PATTERNS)
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def _is_singleton_svc(svc_name: str) -> bool:
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s = svc_name.strip().lower()
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return any(p in s for p in _SINGLETON_PATTERNS)
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# Build realm→platform_uid map: instances whose resourceRealmCnt > 0 ARE platforms
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realm_to_platform: dict[str, str] = {}
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for uid_d, inst_d in detail_map.items():
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cnt = inst_d.get("resourceRealmCnt") or 0
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realm_name = inst_d.get("resourceRealm") or ""
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if cnt and realm_name:
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realm_to_platform[realm_name] = uid_d
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nodes = []
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for uid_i in allowed_uids:
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i = uid_to_inst.get(uid_i, {})
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detail = detail_map.get(uid_i, {})
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svc = i.get("svc") or ""
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realm_cnt = detail.get("resourceRealmCnt") or 0
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is_aux = bool(detail.get("isAuxiliary"))
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# Determine lane by service name
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if _is_platform_svc(svc):
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lane = "platform"
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elif _is_singleton_svc(svc):
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lane = "singleton"
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else:
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lane = "regular"
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nodes.append(
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{
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"id": uid_i,
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"label": i.get("displayName") or uid_i,
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"status": i.get("explainedStatus") or "unknown",
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"svc": svc,
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"realm": i.get("resourceRealm") or "",
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"lane": lane,
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"isAuxiliary": is_aux,
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"created": i.get("instanceConfigDtCreated") or i.get("dtCreated") or "",
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}
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)
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# Debug: log lane distribution
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import sys
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_lane_counts = {}
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for _n in nodes:
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_l = _n.get("lane", "unknown")
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_lane_counts[_l] = _lane_counts.get(_l, 0) + 1
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print(f"[GRAPH] Lanes: {_lane_counts}, nodes: {len(nodes)}", flush=True)
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for _n in nodes:
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if _n["lane"] in ("platform", "singleton"):
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print(f" {_n['lane'].upper()}: {_n['label']} | svc={_n['svc']}", flush=True)
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base_graph = {"nodes": nodes, "edges": []}
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GRAPH_CACHE[cache_key] = (now, base_graph)
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# Return full graph fast
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if not root_uid:
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return {
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"nodes": base_graph["nodes"],
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"edges": [],
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"total_nodes": len(base_graph["nodes"]),
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"total_edges": 0,
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"cached": bool(cached),
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}
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node_ids = {n["id"] for n in base_graph["nodes"]}
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if root_uid not in node_ids:
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return {"nodes": [], "edges": [], "total_nodes": 0, "total_edges": 0, "cached": bool(cached)}
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sub_nodes = [n for n in base_graph["nodes"] if n["id"] == root_uid]
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return {
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"nodes": sub_nodes,
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"edges": [],
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"total_nodes": len(sub_nodes),
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"total_edges": 0,
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"cached": bool(cached),
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}
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@app.get("/api/instances/stream")
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async def stream_instances(
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request: Request,
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x_deck_token: Annotated[str | None, Header()] = None,
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x_deck_env: Annotated[str | None, Header()] = None,
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):
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if not x_deck_token:
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raise HTTPException(status_code=401, detail="Token required")
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_, deck_api = resolve_deck_api(x_deck_env)
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all_instances = await fetch_all_instances(x_deck_token, deck_api)
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uid_to_inst = {
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i.get("instanceUid"): i
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for i in all_instances
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if i.get("instanceUid")
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}
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async def generate():
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sem = asyncio.Semaphore(20)
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queue: asyncio.Queue = asyncio.Queue()
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total = len(uid_to_inst)
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async def fetch_one(uid: str, client: httpx.AsyncClient):
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async with sem:
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try:
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r = await client.get(
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f"{deck_api}/index.cfm/instances/{uid}",
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headers=auth_headers(x_deck_token),
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)
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detail = None if r.status_code >= 400 else r.json().get("instance")
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except Exception:
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detail = None
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await queue.put((uid, detail))
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async with httpx.AsyncClient(timeout=25) as shared_client:
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tasks = [
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asyncio.create_task(fetch_one(uid, shared_client))
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for uid in uid_to_inst
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]
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for _ in range(total):
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uid, detail = await queue.get()
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row = dict(uid_to_inst.get(uid, {}))
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if detail:
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row["_detail"] = detail
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yield json.dumps(row, ensure_ascii=False) + "\n"
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yield json.dumps({"_done": True, "total": total}, ensure_ascii=False) + "\n"
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return StreamingResponse(generate(), media_type="application/x-ndjson")
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@app.get("/api/instances/{uid}")
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async def get_instance(
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request: Request,
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uid: str,
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x_deck_token: Annotated[str | None, Header()] = None,
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x_deck_env: Annotated[str | None, Header()] = None,
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):
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if not x_deck_token:
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raise HTTPException(status_code=401, detail="Token required")
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_, deck_api = resolve_deck_api(x_deck_env)
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async with httpx.AsyncClient(timeout=20) as client:
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r = await client.get(
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f"{deck_api}/index.cfm/instances/{uid}",
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headers=auth_headers(x_deck_token),
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)
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if r.status_code == 401:
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raise HTTPException(status_code=401, detail="Invalid token")
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return r.json()
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app.mount("/", StaticFiles(directory="/app/static", html=True), name="static")
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