Flowise/packages/server/src/DataSource.ts

122 lines
4.4 KiB
TypeScript

import 'reflect-metadata'
import path from 'path'
import * as fs from 'fs'
import { DataSource } from 'typeorm'
import { getUserHome } from './utils'
import { entities } from './database/entities'
import { sqliteMigrations } from './database/migrations/sqlite'
import { mysqlMigrations } from './database/migrations/mysql'
import { mariadbMigrations } from './database/migrations/mariadb'
import { postgresMigrations } from './database/migrations/postgres'
import logger from './utils/logger'
let appDataSource: DataSource
export const init = async (): Promise<void> => {
let homePath
let flowisePath = path.join(getUserHome(), '.flowise')
if (!fs.existsSync(flowisePath)) {
fs.mkdirSync(flowisePath)
}
switch (process.env.DATABASE_TYPE) {
case 'sqlite':
homePath = process.env.DATABASE_PATH ?? flowisePath
appDataSource = new DataSource({
type: 'sqlite',
database: path.resolve(homePath, 'database.sqlite'),
synchronize: false,
migrationsRun: false,
entities: Object.values(entities),
migrations: sqliteMigrations
})
break
case 'mysql':
appDataSource = new DataSource({
type: 'mysql',
host: process.env.DATABASE_HOST,
port: parseInt(process.env.DATABASE_PORT || '3306'),
username: process.env.DATABASE_USER,
password: process.env.DATABASE_PASSWORD,
database: process.env.DATABASE_NAME,
charset: 'utf8mb4',
synchronize: false,
migrationsRun: false,
entities: Object.values(entities),
migrations: mysqlMigrations,
ssl: getDatabaseSSLFromEnv()
})
break
case 'mariadb':
appDataSource = new DataSource({
type: 'mariadb',
host: process.env.DATABASE_HOST,
port: parseInt(process.env.DATABASE_PORT || '3306'),
username: process.env.DATABASE_USER,
password: process.env.DATABASE_PASSWORD,
database: process.env.DATABASE_NAME,
charset: 'utf8mb4',
synchronize: false,
migrationsRun: false,
entities: Object.values(entities),
migrations: mariadbMigrations,
ssl: getDatabaseSSLFromEnv()
})
break
case 'postgres':
appDataSource = new DataSource({
type: 'postgres',
host: process.env.DATABASE_HOST,
port: parseInt(process.env.DATABASE_PORT || '5432'),
username: process.env.DATABASE_USER,
password: process.env.DATABASE_PASSWORD,
database: process.env.DATABASE_NAME,
ssl: getDatabaseSSLFromEnv(),
synchronize: false,
migrationsRun: false,
entities: Object.values(entities),
migrations: postgresMigrations,
extra: {
idleTimeoutMillis: 120000
},
logging: ['error', 'warn', 'info', 'log'],
logger: 'advanced-console',
logNotifications: true,
poolErrorHandler: (err) => {
logger.error(`Database pool error: ${JSON.stringify(err)}`)
},
applicationName: 'Flowise'
})
break
default:
homePath = process.env.DATABASE_PATH ?? flowisePath
appDataSource = new DataSource({
type: 'sqlite',
database: path.resolve(homePath, 'database.sqlite'),
synchronize: false,
migrationsRun: false,
entities: Object.values(entities),
migrations: sqliteMigrations
})
break
}
}
export function getDataSource(): DataSource {
if (appDataSource === undefined) {
init()
}
return appDataSource
}
export const getDatabaseSSLFromEnv = () => {
if (process.env.DATABASE_SSL_KEY_BASE64) {
return {
rejectUnauthorized: process.env.DATABASE_REJECT_UNAUTHORIZED === 'true',
ca: Buffer.from(process.env.DATABASE_SSL_KEY_BASE64, 'base64')
}
} else if (process.env.DATABASE_SSL === 'true') {
return true
}
return undefined
}