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如何在一个 mysql db 容器上创建多个数据库?或者我是否必须为每个数据库创建 db 容器?当我尝试从 sql 文件脚本创建它时:

    @ClassRule public static MySQLContainer dbService = (MySQLContainer) new MySQLContainer()
        .withPassword("test")
        .withUsername("mysqlroot")
        .withDatabaseName("test")
        .withInitScript("init_mysql.sql")
        .withExposedPorts(DB_PORT)
        .withNetwork(network)
        .withNetworkAliases("dbService")
        ;

我收到一个错误:

Caused by: org.testcontainers.ext.ScriptUtils$ScriptStatementFailedException: Script execution failed (init_mysql.sql:2): CREATE DATABASE IF NOT EXISTS `b2c`
at org.testcontainers.jdbc.JdbcDatabaseDelegate.execute(JdbcDatabaseDelegate.java:49)
at org.testcontainers.delegate.AbstractDatabaseDelegate.execute(AbstractDatabaseDelegate.java:34)
at org.testcontainers.ext.ScriptUtils.executeDatabaseScript(ScriptUtils.java:331)
... 19 more
Caused by: java.sql.SQLSyntaxErrorException: Access denied for user 'mysqlroot'@'%' to database 'b2c'
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120)
    at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
    at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
    at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:782)
    at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:666)
    at org.testcontainers.jdbc.JdbcDatabaseDelegate.execute(JdbcDatabaseDelegate.java:42)
    ... 21 more

内容init_mysql.sql

CREATE TABLE bar (
    foo VARCHAR(255)
);
CREATE DATABASE  IF NOT EXISTS `b2c`;

我尝试了很多配置。对我来说,除了在容器创建时配置的专用数据库外,我似乎无法执行 sql。请帮忙。我有 6 个数据库,为每个数据库创建专用容器是浪费资源。

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1 回答 1

4

首先你需要用用户名启动你的 MySQLContainer root(为了有权限执行你的 init 脚本):

        new MySQLContainer<>(new DockerImageName(MYSQL_DOCKER_IMAGE))
            .withUsername("root")
            .withPassword("")
            .withEnv("MYSQL_ROOT_HOST", "%")
            .withInitScript("init_test_container_databases.sql")
            .withNetwork(NETWORK)
            .withNetworkAliases(MYSQL_NETWORK)
            .withStartupTimeout(Duration.ofSeconds(CONTAINER_STARTUP_TIMEOUT_SECONDS));

init_test_container_databases.sql脚本(在我的示例中,我创建了两个具有相同用户的数据库,将由我的应用程序使用):

CREATE DATABASE IF NOT EXISTS your_database_1;
CREATE DATABASE IF NOT EXISTS your_database_2;
CREATE USER 'your_username'@'%' IDENTIFIED BY 'your_password';
GRANT ALL PRIVILEGES ON *.* TO 'your_username'@'%';
于 2020-08-05T12:11:58.487 回答