79 lines
3.2 KiB
Python
79 lines
3.2 KiB
Python
import traceback
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import os
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from pathlib import Path
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from fastapi import FastAPI, Request, HTTPException, Response
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from fastapi.templating import Jinja2Templates
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from fastapi.responses import HTMLResponse
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from prometheus_client import Counter, Histogram, generate_latest, CONTENT_TYPE_LATEST
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import time
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import logging
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import markdown
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from routes import router as routes_app
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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app = FastAPI(title="DevOps Windows API", description="Application de démonstration DevOps sous Windows", version="1.0.0")
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# 🔹 Utilise un chemin absolu pour le dossier templates
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BASE_DIR = Path(__file__).resolve().parent
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templates = Jinja2Templates(directory=str(BASE_DIR / "templates"))
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app.include_router(routes_app, prefix="/users", tags=["users"])
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REQUEST_COUNT = Counter('http_requests_total', 'Total des requêtes HTTP', ['method', 'endpoint', 'status'])
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REQUEST_LATENCY = Histogram('http_request_duration_seconds', 'Temps de réponse HTTP', ['method', 'endpoint'])
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@app.middleware("http")
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async def monitor_requests(request: Request, call_next):
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start_time = time.time()
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try:
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response = await call_next(request)
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status_code = str(response.status_code)
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except Exception as e:
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status_code = "500"
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response = Response(content=f"Erreur serveur : {str(e)}", status_code=500)
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process_time = time.time() - start_time
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REQUEST_COUNT.labels(method=request.method, endpoint=request.url.path, status=status_code).inc()
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REQUEST_LATENCY.labels(method=request.method, endpoint=request.url.path).observe(process_time)
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response.headers["X-Process-Time"] = f"{process_time:.3f}s"
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return response
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@app.get("/", response_class=HTMLResponse)
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async def home(request: Request):
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md_file_path = "/app/readme.md"
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try:
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with open(md_file_path, "r", encoding="utf-8") as f:
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md_content = f.read()
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html_content = markdown.markdown(md_content)
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except Exception as e:
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html_content = f"<h3>Erreur de lecture du fichier :</h3><pre>{traceback.format_exc()}</pre>"
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header_banner = "🚀 <strong>$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ DevOps Stack Windows - Fonctionnel ! $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$</strong>"
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try:
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return templates.TemplateResponse("index.html", {
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"request": request,
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"header": header_banner,
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"content": html_content
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})
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except Exception as e:
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return HTMLResponse(f"<h3>Erreur de template :</h3><pre>{traceback.format_exc()}</pre>", status_code=500)
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@app.get("/health")
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async def health(): return {"status": "healthy", "timestamp": time.time(), "service": "devops-app"}
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@app.get("/metrics")
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async def metrics():
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try: return Response(content=generate_latest(), media_type=CONTENT_TYPE_LATEST)
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except Exception as e: raise HTTPException(status_code=500, detail="Échec des métriques")
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@app.get("/info")
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async def info(): return {
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"python_version": "3.11", "platform": "windows", "service": "FastAPI DevOps",
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"features": ["docker", "kubernetes", "monitoring", "ci-cd"]
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}
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@app.get("/env")
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async def show_env(): return {"ENV": os.getenv("ENV", "not-set"), "HOSTNAME": os.getenv("HOSTNAME", "not-set")} |