risotto/script/database_manager.py

import asyncpg
import asyncio
from risotto.config import get_config

VERSION_INIT = """
-- Création de la table Source
CREATE TABLE Source (
  SourceId SERIAL PRIMARY KEY,
  SourceName VARCHAR(255) NOT NULL UNIQUE,
  SourceURL TEXT
);

-- Création de la table Release
CREATE TABLE Release (
  ReleaseId SERIAL PRIMARY KEY,
  ReleaseName VARCHAR(255) NOT NULL,
  ReleaseSourceId INTEGER NOT NULL,
  ReleaseDistribution VARCHAR(20) CONSTRAINT releasedistribution_choice CHECK (ReleaseDistribution IN ('last', 'n-1', 'n-2')),
  UNIQUE (ReleaseName, ReleaseSourceId),
  UNIQUE (ReleaseDistribution, ReleaseSourceId),
  FOREIGN KEY (ReleaseSourceId) REFERENCES Source(SourceId)
);


-- Création de la table Servermodel
CREATE TABLE Servermodel (
  ServermodelId SERIAL PRIMARY KEY,
  ServermodelName VARCHAR(255) NOT NULL,
  ServermodelDescription VARCHAR(255) NOT NULL,
  ServermodelParentsId INTEGER [] DEFAULT '{}',
  ServermodelReleaseId INTEGER NOT NULL,
  ServermodelApplicationServiceId INTEGER NOT NULL,
  ServermodelUsers hstore,
  UNIQUE (ServermodelName, ServermodelReleaseId)
);

-- Création de la table ApplicationService
CREATE TABLE ApplicationService (
  ApplicationServiceId SERIAL PRIMARY KEY,
  ApplicationServiceName VARCHAR(255) NOT NULL,
  ApplicationServiceDescription VARCHAR(255) NOT NULL,
  ApplicationServiceReleaseId INTEGER NOT NULL,
  ApplicationServiceDependencies JSON,
  UNIQUE (ApplicationServiceName, ApplicationServiceReleaseId)
);

-- Server table creation
CREATE TABLE Server (
  ServerId SERIAL PRIMARY KEY,
  ServerName VARCHAR(255) NOT NULL,
  ServerDescription VARCHAR(255) NOT NULL,
  ServerServermodelId INTEGER NOT NULL
);

"""

async def main():
    db_conf = get_config().get('database')
    pool = await asyncpg.create_pool(database=db_conf.get('dbname'), user=db_conf.get('user'))
    async with pool.acquire() as connection:
        async with connection.transaction():
            returns = await connection.execute(VERSION_INIT)

if __name__ == '__main__':
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())
    # asyncio.run(main())