mirror of
https://github.com/zvx-echo6/meshai.git
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76 lines
3.1 KiB
Python
76 lines
3.1 KiB
Python
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"""Mesh-free preview launcher for the MeshAI dashboard API.
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Stands up ONLY the FastAPI dashboard (NO MeshAI instance, NO mesh connector,
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NO broadcast loop) so the region-routing UI can be developed and tested without
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a live mesh radio.
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Usage:
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python3 scripts/preview_dashboard.py [config_dir]
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config_dir defaults to /tmp/meshai-region-preview/config.
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The directory may be empty — an empty/missing config.yaml yields safe defaults.
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The script sets app.state.config and app.state.config_path so all config-backed
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endpoints work. Endpoints that read other app.state attrs (notification_router,
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env_store, alert_engine, etc.) guard with getattr(..., None) already, so they
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return graceful empty/404 responses rather than crashing.
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Run vite separately for the frontend:
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cd dashboard-frontend && npm run dev
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Then hit the API at http://localhost:8082/api/...
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"""
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import sys
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from pathlib import Path
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# Resolve the config directory from the first CLI arg or use the default preview path.
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cfg_dir = Path(sys.argv[1]) if len(sys.argv) > 1 else Path("/tmp/meshai-region-preview/config")
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cfg_dir.mkdir(parents=True, exist_ok=True)
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# Ensure there is a minimal config.yaml so load_config doesn't error.
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_cfg_yaml = cfg_dir / "config.yaml"
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if not _cfg_yaml.exists():
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_cfg_yaml.write_text("# meshai preview config\n")
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# Import AFTER path is ready so relative imports resolve correctly.
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from meshai.dashboard.server import create_app
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from meshai.config_loader import load_config
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import uvicorn
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app = create_app()
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cfg = load_config(cfg_dir)
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app.state.config = cfg
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app.state.config_path = cfg_dir / "config.yaml"
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# Stub out attrs that endpoints guard with getattr(..., None) to avoid AttributeError
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# on first access in case FastAPI touches app.state eagerly.
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for _attr in ("notification_router", "env_store", "alert_engine", "health_engine",
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"data_store", "connector", "bus", "danger_correlator", "mesh_context",
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"broadcaster"):
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if not hasattr(app.state, _attr):
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setattr(app.state, _attr, None)
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# PREVIEW-ONLY: coverage is a restart-required section, so a normal deploy keeps
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# the running config stale until restart. In the preview we want create/delete/save
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# to reflect immediately, so reload the in-memory config from disk after any
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# /api/config write. (Prod keeps the restart-gated semantics; this hook is local.)
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@app.middleware("http")
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async def _reload_config_after_write(request, call_next):
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response = await call_next(request)
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try:
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if (request.method in ("PUT", "POST", "DELETE", "PATCH")
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and request.url.path.startswith("/api/config")):
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app.state.config = load_config(cfg_dir)
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except Exception:
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pass
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return response
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if __name__ == "__main__":
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print(f"[preview] config dir : {cfg_dir}")
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print(f"[preview] config path: {app.state.config_path}")
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print(f"[preview] listening : http://0.0.0.0:8082")
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print(f"[preview] regions API: http://localhost:8082/api/notifications/regions")
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print(f"[preview] matrix API : http://localhost:8082/api/notifications/region-routing")
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uvicorn.run(app, host="0.0.0.0", port=8082)
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