Initial AppFactory worker
This commit is contained in:
AppFactory Bot
+14
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FROM python:3.12-slim
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WORKDIR /app
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends docker.io git curl sqlite3 \
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&& rm -rf /var/lib/apt/lists/*
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COPY requirements.txt .
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RUN pip install --no-cache-dir -r requirements.txt
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COPY app ./app
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CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "9200"]
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+264
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import json
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import os
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import socket
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import sqlite3
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import subprocess
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import threading
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import time
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from datetime import datetime, timezone
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from pathlib import Path
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from fastapi import FastAPI
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DB_FILE = Path("/opt/appfactory/data/appfactory/appfactory.db")
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TOOLS_DIR = Path("/tools")
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WORKER_ID = os.getenv("APPFACTORY_WORKER_ID", socket.gethostname())
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POLL_SECONDS = int(os.getenv("APPFACTORY_WORKER_POLL_SECONDS", "3"))
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app = FastAPI(title="AppFactory Worker")
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_worker_thread = None
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_worker_started = False
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def utc_now():
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return datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%S")
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def get_connection():
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con = sqlite3.connect(DB_FILE, timeout=30)
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con.row_factory = sqlite3.Row
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return con
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def append_job_log(job_id: int, stream: str, message: str):
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con = get_connection()
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con.execute(
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"""
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INSERT INTO job_logs (job_id, stream, message, created_at)
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VALUES (?, ?, ?, CURRENT_TIMESTAMP)
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""",
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(job_id, stream, message),
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)
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con.commit()
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con.close()
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def update_job_status(job_id: int, status: str, error_text: str | None = None, result: dict | None = None):
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con = get_connection()
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if status == "running":
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con.execute(
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"""
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UPDATE jobs
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SET status = 'running',
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started_at = COALESCE(started_at, CURRENT_TIMESTAMP),
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worker_id = ?
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WHERE id = ?
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""",
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(WORKER_ID, job_id),
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)
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elif status in ("success", "failed", "cancelled"):
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con.execute(
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"""
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UPDATE jobs
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SET status = ?,
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finished_at = CURRENT_TIMESTAMP,
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error_text = ?,
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result_json = ?
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WHERE id = ?
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""",
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(
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status,
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error_text,
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json.dumps(result or {}, ensure_ascii=False),
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job_id,
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),
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)
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con.commit()
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con.close()
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def get_next_job():
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con = get_connection()
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con.execute("BEGIN IMMEDIATE")
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row = con.execute(
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"""
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SELECT *
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FROM jobs
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WHERE status = 'queued'
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ORDER BY id ASC
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LIMIT 1
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"""
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).fetchone()
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if not row:
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con.commit()
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con.close()
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return None
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job_id = row["id"]
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running_same_target = con.execute(
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"""
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SELECT id
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FROM jobs
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WHERE status = 'running'
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AND target_type = ?
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AND target_id = ?
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AND id != ?
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LIMIT 1
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""",
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(row["target_type"], row["target_id"], job_id),
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).fetchone()
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if running_same_target:
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con.commit()
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con.close()
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return None
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con.execute(
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"""
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UPDATE jobs
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SET status = 'running',
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started_at = CURRENT_TIMESTAMP,
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worker_id = ?
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WHERE id = ?
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AND status = 'queued'
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""",
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(WORKER_ID, job_id),
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)
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con.commit()
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con.close()
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return dict(row)
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def build_env(job: dict):
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payload = json.loads(job.get("payload_json") or "{}")
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env = os.environ.copy()
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env["APPFACTORY_TRIGGER_SOURCE"] = job.get("source") or "worker"
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env["APPFACTORY_TRIGGERED_BY_USER_ID"] = str(job.get("created_by_user_id") or "")
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env["APPFACTORY_TRIGGERED_BY_USERNAME"] = str(job.get("created_by_username") or "")
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env["APPFACTORY_TRIGGERED_BY_DISPLAY_NAME"] = str(job.get("created_by_display_name") or "")
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env["APPFACTORY_COMMIT_AUTHOR"] = str(payload.get("commit_author") or "")
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env["APPFACTORY_PUSHER"] = str(payload.get("pusher") or "")
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env["APPFACTORY_COMMIT_SHA"] = str(payload.get("commit_sha") or "")
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return env
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def command_for_job(job: dict):
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job_type = job["type"]
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target_id = job["target_id"]
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if job_type == "deploy_app":
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return [str(TOOLS_DIR / "deploy-app.sh"), target_id]
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if job_type == "deploy_core_service":
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return [str(TOOLS_DIR / "deploy-core-service.sh"), target_id]
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raise ValueError(f"Unsupported job type: {job_type}")
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def execute_job(job: dict):
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job_id = int(job["id"])
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target = job["target_id"]
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append_job_log(job_id, "system", f"Worker {WORKER_ID} started job {job_id} for {target}")
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update_job_status(job_id, "running")
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try:
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command = command_for_job(job)
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env = build_env(job)
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append_job_log(job_id, "system", "Command: " + " ".join(command))
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process = subprocess.Popen(
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command,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True,
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env=env,
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)
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stdout_chunks = []
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stderr_chunks = []
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stdout, stderr = process.communicate()
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if stdout:
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stdout_chunks.append(stdout)
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append_job_log(job_id, "stdout", stdout)
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if stderr:
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stderr_chunks.append(stderr)
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append_job_log(job_id, "stderr", stderr)
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returncode = process.returncode
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if returncode == 0:
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update_job_status(
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job_id,
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"success",
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result={
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"returncode": returncode,
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"stdout_length": len("".join(stdout_chunks)),
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"stderr_length": len("".join(stderr_chunks)),
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},
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)
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append_job_log(job_id, "system", "Job finished successfully")
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else:
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update_job_status(
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job_id,
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"failed",
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error_text=f"Command failed with return code {returncode}",
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result={"returncode": returncode},
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)
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append_job_log(job_id, "system", f"Job failed with return code {returncode}")
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except Exception as exc:
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update_job_status(job_id, "failed", error_text=str(exc))
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append_job_log(job_id, "stderr", str(exc))
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def worker_loop():
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while True:
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try:
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job = get_next_job()
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if job:
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execute_job(job)
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else:
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time.sleep(POLL_SECONDS)
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except Exception as exc:
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print(f"Worker loop error: {exc}", flush=True)
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time.sleep(POLL_SECONDS)
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@app.on_event("startup")
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def start_worker():
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global _worker_thread
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global _worker_started
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if _worker_started:
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return
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_worker_started = True
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_worker_thread = threading.Thread(target=worker_loop, daemon=True)
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_worker_thread.start()
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@app.get("/health")
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def health():
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return {
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"status": "ok",
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"worker_id": WORKER_ID,
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}
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@@ -0,0 +1,2 @@
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fastapi
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uvicorn[standard]
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