mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-14 04:19:00 +00:00
79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Copyright (C) 2020 GNS3 Technologies Inc.
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import os
|
|
|
|
from fastapi import FastAPI
|
|
from fastapi.encoders import jsonable_encoder
|
|
from pydantic import ValidationError
|
|
|
|
from typing import List
|
|
from sqlalchemy import event
|
|
from sqlalchemy.engine import Engine
|
|
from sqlalchemy.exc import SQLAlchemyError
|
|
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
|
|
from gns3server.db.repositories.computes import ComputesRepository
|
|
from gns3server import schemas
|
|
|
|
from .models import Base
|
|
from gns3server.config import Config
|
|
|
|
import logging
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
async def connect_to_db(app: FastAPI) -> None:
|
|
|
|
db_path = os.path.join(Config.instance().config_dir, "gns3_controller.db")
|
|
db_url = os.environ.get("GNS3_DATABASE_URI", f"sqlite+aiosqlite:///{db_path}")
|
|
engine = create_async_engine(db_url, connect_args={"check_same_thread": False}, future=True)
|
|
try:
|
|
async with engine.connect() as conn:
|
|
await conn.run_sync(Base.metadata.create_all)
|
|
log.info(f"Successfully connected to database '{db_url}'")
|
|
app.state._db_engine = engine
|
|
except SQLAlchemyError as e:
|
|
log.fatal(f"Error while connecting to database '{db_url}: {e}")
|
|
|
|
|
|
@event.listens_for(Engine, "connect")
|
|
def set_sqlite_pragma(dbapi_connection, connection_record):
|
|
|
|
# Enable SQL foreign key support for SQLite
|
|
# https://docs.sqlalchemy.org/en/14/dialects/sqlite.html#foreign-key-support
|
|
cursor = dbapi_connection.cursor()
|
|
cursor.execute("PRAGMA foreign_keys=ON")
|
|
cursor.close()
|
|
|
|
|
|
async def get_computes(app: FastAPI) -> List[dict]:
|
|
|
|
computes = []
|
|
async with AsyncSession(app.state._db_engine) as db_session:
|
|
db_computes = await ComputesRepository(db_session).get_computes()
|
|
for db_compute in db_computes:
|
|
try:
|
|
compute = jsonable_encoder(
|
|
schemas.Compute.from_orm(db_compute), exclude_unset=True, exclude={"created_at", "updated_at"}
|
|
)
|
|
except ValidationError as e:
|
|
log.error(f"Could not load compute '{db_compute.compute_id}' from database: {e}")
|
|
continue
|
|
computes.append(compute)
|
|
return computes
|