158 lines
6.8 KiB
Python
158 lines
6.8 KiB
Python
"""Фейковый хаб для тестов агента: маршруты /agent/* в памяти."""
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import base64
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import hashlib
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import json
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import re
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import threading
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import time
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from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
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class FakeHub:
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token = "agent-token"
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def __init__(self, settings):
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self.settings = dict(settings)
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self.queue = []
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self.commands = {}
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self.results = {}
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self.states = []
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self.known = []
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self.claims = 0
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self.claim_bodies = []
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self.fail_results = 0
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self.reject_results = {}
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self.in_flight = None
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self.release = None # {"version", "sha256", "content"} — опубликованная версия агента
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self.release_requests = 0
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self.files = {} # sha256 → содержимое (хранилище файлов вложений хаба)
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self.file_requests = 0
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self.claim_wait = 0 # с: при пустой очереди держать claim, как хаб
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self.lock = threading.Lock()
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hub = self
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class Handler(BaseHTTPRequestHandler):
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def log_message(self, *a):
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pass
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def do_GET(self):
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hub.handle(self, "GET")
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def do_POST(self):
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hub.handle(self, "POST")
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self.server = ThreadingHTTPServer(("127.0.0.1", 0), Handler)
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threading.Thread(target=self.server.serve_forever, daemon=True).start()
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@property
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def base_url(self):
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return "http://127.0.0.1:%d" % self.server.server_port
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def stop(self):
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self.server.shutdown()
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self.server.server_close()
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def enqueue(self, ctype, params, pause=0):
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cid = len(self.commands) + 1
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self.commands[cid] = {"id": cid, "type": ctype, "params": params, "pause_seconds": pause, "status": "queued"}
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self.queue.append(cid)
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return cid
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def put_file(self, data):
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sha = hashlib.sha256(data).hexdigest()
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self.files[sha] = data
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return sha
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def _issued(self, c):
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"""Параметры при выдаче: как хаб, к ensure_attachment дописывается size файла (None — файла нет)."""
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params = dict(c["params"])
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if c["type"] == "ensure_attachment":
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data = self.files.get(params.get("file"))
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params["size"] = len(data) if data is not None else None
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return params
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def _release_ref(self):
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r = self.release
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return {"version": r["version"], "sha256": r["sha256"]} if r else None
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def handle(self, h, method):
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length = int(h.headers.get("Content-Length") or 0)
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body = json.loads(h.rfile.read(length).decode("utf-8")) if length else {}
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if h.headers.get("Authorization") != "Bearer " + self.token:
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return self._send(h, 401, {"error": "unauthorized"})
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path = h.path.split("?")[0]
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if path == "/agent/claim" and self.claim_wait:
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end = time.monotonic() + self.claim_wait
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while time.monotonic() < end: # ждать без блокировки: другие запросы (enqueue) проходят
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with self.lock:
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if self.queue:
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break
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time.sleep(0.05)
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with self.lock:
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code, payload = self.route(method, path, body)
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self._send(h, code, payload)
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def _send(self, h, code, payload):
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data = json.dumps(payload, ensure_ascii=False).encode("utf-8")
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h.send_response(code)
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h.send_header("Content-Type", "application/json")
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h.send_header("Content-Length", str(len(data)))
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h.end_headers()
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h.wfile.write(data)
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def route(self, method, path, body):
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if path == "/agent/claim":
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self.claim_bodies.append(body or {})
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self.claims += 1
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if self.in_flight and self.commands[self.in_flight]["status"] == "claimed":
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return 200, {"command": None, "settings_version": self.settings["settings_version"],
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"agent_release": self._release_ref()}
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if not self.queue:
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return 200, {"command": None, "settings_version": self.settings["settings_version"],
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"agent_release": self._release_ref()}
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cid = self.queue.pop(0)
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self.commands[cid]["status"] = "claimed"
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self.in_flight = cid
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c = self.commands[cid]
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return 200, {"command": {"id": cid, "type": c["type"], "params": self._issued(c), "pause_seconds": c["pause_seconds"]},
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"settings_version": self.settings["settings_version"], "agent_release": self._release_ref()}
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if path == "/agent/release":
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self.release_requests += 1
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return (200, self.release) if self.release else (404, {"error": "no_release"})
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if path == "/agent/settings":
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return 200, self.settings
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if path == "/agent/known-keys":
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return 200, {"keys": list(self.known)}
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if path == "/agent/state":
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self.states.append(body)
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return 200, {"issues": len(body.get("issues") or []), "links": len(body.get("links") or [])}
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m = re.match(r"^/agent/files/([^/]+)$", path)
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if m and method == "GET":
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self.file_requests += 1
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data = self.files.get(m.group(1))
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if data is None:
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return 404, {"error": "no_file", "detail": "файла %s нет в хранилище" % m.group(1)}
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return 200, {"file": m.group(1), "size": len(data), "content": base64.b64encode(data).decode("ascii")}
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m = re.match(r"^/agent/commands/(\d+)$", path)
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if m:
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c = self.commands.get(int(m.group(1)))
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return (200, dict(c, params=self._issued(c))) if c else (404, {"error": "not_found"})
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m = re.match(r"^/agent/commands/(\d+)/result$", path)
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if m:
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cid = int(m.group(1))
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if self.fail_results > 0:
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self.fail_results -= 1
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return 503, {"error": "busy"}
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if cid in self.reject_results:
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return self.reject_results[cid], {"error": "rejected"}
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if cid not in self.commands:
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return 404, {"error": "not_found"}
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if self.commands[cid]["status"] in ("done", "failed", "cancelled"):
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return 200, self.commands[cid] # терминальный статус не перезаписывается (как живой хаб)
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self.results[cid] = body
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self.commands[cid]["status"] = body.get("status")
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if self.in_flight == cid:
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self.in_flight = None
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return 200, self.commands[cid]
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return 404, {"error": "not_found", "detail": path}
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