mysql-in-docker
## Purpose
Last updated 2 years ago by ladeiko .
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$ cnpm install mysql-in-docker 
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mysql-in-docker

Purpose

Module starts mysql server inside docker container. This is helpful while testing.

Installation

NOTE: Docker required.

npm i mysql-in-docker --save

Usage

IMySqlInDockerOptions options

interface IMySqlInDockerOptions {

  // database name to create [optional]
  database?: string;

  // database user name to create [optional]
  user?: string;

  // database user password to create [optional]
  password?: string;

  // if true, then sequelize v3 will be used for models [optional]
  sequelizeV3?: boolean;

  // use mysql v8, by default v5 is used [optional]
  // NOTE: V8 is configured to use native authentication,
  //        because sequelize has issues with new auth method
  mysqlV8?: boolean;

  // path to folder(s)/file(s) with sequelize models [optional]
  models?: string | string[];

  // path with sql scripts [optional]
  // this path is used when you specify 'my-query.sql' in query instead of
  // sql query, module tries to locate 'my-query.sql' inside this folder
  scriptsDir?: string;

  // if true, all actions will be logged to console, default is false [optional]
  verbose?: boolean;

  // if specified, then it will be used to store mysql database after shutdown
  // note: should be accessible by docker
  storage?: string;
}

Methods

constructor(options?: IMySqlInDockerOptions)

Constructor

start()

Starts docker container with mysql server. If succeeded, then port, host, etc. properties become available.

stop()

Stops running docker container. After completion all port, host, etc. properties become unavailable.

execSql(query: string) => [RowDataPacket]

Returns method to be used to execute SQL queries. Query also can contain name of the file to be executed, e.g: my-query.sql. Returns rows.

model(name) => SequelizeModel | undefined

Return sequelize model by name, if they where loaded from specified path(s).

Properties

host: string | undefined

Returns domain or ip of running MySql server.

port: number | undefined

Returns port MySql server is listening to.

database: string | undefined

Returns name of database.

user: string | undefined

Returns mysql user.

password: string | undefined

Returns mysql password for user.

Example

const MySqlContainer  = require('mysql-in-docker');

async function main() {
  const options = {
    // See IMySqlInDockerOptions
  };

  // instantiate
  const container = new MySqlContainer(options);

  // boot
  await container.start();

  const port = container.port;
  const host = container.host;
  const database = container.database;
  const user = container.user;
  const password = container.password;

  // do some work
  ...

  // shutdown
  await container.stop();
}

or if you want to use storage:

const MySqlContainer  = require('mysql-in-docker');

async function main() {
  const options = {
    // See IMySqlInDockerOptions

    storage: '/my-path'

    // we should explicitly specify database, user and password
    //  to be able to use it after restore
    database: 'test',
    user: 'test',
    password: 'test',
  };

  // instantiate
  const container = new MySqlContainer(options);

  // boot
  await container.start();

  const port = container.port;
  const host = container.host;
  const database = container.database;
  const user = container.user;
  const password = container.password;

  // do some work
  ...

  // shutdown
  await container.stop();

  // Restore after some from the same storage
  await container.start();

  // Work with restored database
  ...

  // shutdown again
  await container.stop();
}

License

MIT. See LICENSE

Author

Siarhei Ladzeika sergey.ladeiko@gmail.com

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