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- Create systemd service for VPS Monitor agent. - Add FastAPI backend with endpoints for managing VPS configurations and statuses. - Implement Dockerfile for backend service with required dependencies. - Create frontend using React with Vite and Tailwind CSS for styling. - Add API client for communicating with the backend. - Implement components for displaying VPS information and logs. - Set up Docker Compose for orchestrating backend and frontend services. - Add environment configuration files for backend and agent. - Implement CORS support in the backend for frontend communication.
110 lines
4.4 KiB
Python
110 lines
4.4 KiB
Python
#!/usr/bin/env python3
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"""
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VPS Monitor Agent — à déployer sur chaque VPS.
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Expose une API REST utilisée par le backend central pour interroger les conteneurs Docker.
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"""
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import os
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from datetime import datetime, timezone
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import docker
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from docker.errors import DockerException, NotFound
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from fastapi import Depends, FastAPI, HTTPException, Security
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.security import APIKeyHeader
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# ─── Config ───────────────────────────────────────────────────────────────────
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API_KEY = os.getenv("AGENT_API_KEY", "changeme-please")
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AGENT_PORT = int(os.getenv("AGENT_PORT", "8001"))
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# ─── App ──────────────────────────────────────────────────────────────────────
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app = FastAPI(title="VPS Monitor Agent", version="1.0.0", docs_url=None, redoc_url=None)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_methods=["GET", "POST"],
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allow_headers=["*"],
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)
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api_key_header = APIKeyHeader(name="X-API-Key", auto_error=True)
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def require_api_key(key: str = Security(api_key_header)) -> None:
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if key != API_KEY:
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raise HTTPException(status_code=403, detail="Clé API invalide")
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def get_docker_client():
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try:
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return docker.from_env()
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except DockerException as e:
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raise HTTPException(status_code=503, detail=f"Docker inaccessible : {e}")
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# ─── Routes ───────────────────────────────────────────────────────────────────
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@app.get("/health")
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def health():
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"""Vérification de disponibilité — sans authentification."""
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return {"status": "ok", "timestamp": datetime.now(timezone.utc).isoformat()}
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@app.get("/containers")
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def list_containers(_: None = Depends(require_api_key)):
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"""Retourne tous les conteneurs (actifs et arrêtés)."""
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client = get_docker_client()
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result = []
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for c in client.containers.list(all=True):
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image_tag = c.image.tags[0] if c.image.tags else c.image.short_id
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result.append({
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"id": c.short_id,
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"name": c.name.lstrip("/"),
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"status": c.status,
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"image": image_tag,
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"created": c.attrs.get("Created", ""),
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"compose_project": c.labels.get("com.docker.compose.project", ""),
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"compose_service": c.labels.get("com.docker.compose.service", ""),
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"ports": {
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host: [{"HostIp": b["HostIp"], "HostPort": b["HostPort"]} for b in bindings]
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for host, bindings in (c.ports or {}).items()
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if bindings
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},
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})
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return sorted(result, key=lambda x: x["name"])
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@app.get("/containers/{container_id}/logs")
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def get_logs(container_id: str, lines: int = 100, _: None = Depends(require_api_key)):
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"""Retourne les N dernières lignes de logs d'un conteneur."""
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client = get_docker_client()
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try:
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c = client.containers.get(container_id)
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raw = c.logs(tail=lines, timestamps=True)
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return {"logs": raw.decode("utf-8", errors="replace")}
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except NotFound:
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raise HTTPException(status_code=404, detail="Conteneur introuvable")
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@app.post("/containers/{container_id}/action")
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def container_action(container_id: str, action: str, _: None = Depends(require_api_key)):
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"""Effectue une action sur un conteneur : start, stop, restart."""
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if action not in ("start", "stop", "restart"):
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raise HTTPException(status_code=400, detail=f"Action invalide : {action}")
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client = get_docker_client()
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try:
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c = client.containers.get(container_id)
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getattr(c, action)()
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return {"status": "ok", "action": action, "container": container_id}
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except NotFound:
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raise HTTPException(status_code=404, detail="Conteneur introuvable")
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# ─── Entrée ───────────────────────────────────────────────────────────────────
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=AGENT_PORT)
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