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我有一个关于与多个数据库相关的学说迁移的问题。根据这个问题和法师作为部署工具（但不仅限于法师，因为法师只自动执行手动操作）：Symfony：可能加载不同的参数.yml？

当我走这条路时，在上面链接发布的问题中提到，我如何在每个数据库上进行迁移？因为在我看来，更改 AppKernel 加载器只能通过请求的 URL 进行，这对于学说迁移不存在，因为您在 shell 上运行它。

有人有提示吗，如何使用这种设置（一个应用程序源，每个多个参数的多个数据库），因为它不是我的选择，为此构建多个全栈 symfony 应用程序，因为一个安装超过 1GB应用程序之间的唯一区别是用户数据，我不想将其保存在一个数据库中，因为备份策略和其他策略（每个客户轻松备份，而不是使用 customerid 从一个数据库中提取）

希望我确实解释得足够清楚，我的问题是什么 - 并且更希望我确实设定了这个问题本身并且有人有解决方案;-)

更新和解决方案

我最终得到了一个可行的解决方案，大多数任务都是自动运行的。

首先，你必须在 SymfonyApp 中定义一个文件夹结构（我的在下面）

_portals
    |-mySUBPORTAL
        |-app
            |-config
                |-parameters.yml.prod
                |-parameters.yml.stage
        |-bin
        |-var
            |-cache
                |-.gitkeep
            |-logs
                |-.gitkeep
            |-sessions
                |-.gitkeep
        |-vendor
            |-.gitkeep
        |-web
            |-.gitkeep
    |-createAppStructure.php

文件 createAppStructure.php（如果需要，可以是可选的或定制的）

createAppStructure.php

#!/usr/bin/php
<?php
error_reporting(E_ERROR | E_WARNING | E_PARSE);

/** Parameter Check */
if(!array_key_exists(1,$argv)) exit('Es muss das Environment angegeben werden (stage|prod)'."\r\n");

/** Funktionen */
function getFolders($path)
{
    $portalsDir = scandir($path);
    $portals=[];
    foreach($portalsDir as $portaldir)
    {
        if(!in_array($portaldir, [".",".."])) {
            if(is_dir($path.DIRECTORY_SEPARATOR.$portaldir)) {
                $portals[] = $path.DIRECTORY_SEPARATOR.$portaldir;
            }
        }
    }

    return $portals;
}


/** Alle Customers auslesen */
$env = $argv[1];
$basepath = dirname(__FILE__);
$portals = getFolders($basepath);



/** Alle Customers durchlaufen und Directory Struktur aufbauen */
$cmd = [];
$returnCode = 0;
foreach($portals as $customer)
{
    $cmd=[];
    /* Full Link Folders */
    $cmd['fulllink'][] = "cd $customer";
    $cmd['fulllink'][] = "ln -sf ../../src ./";
    $cmd['fulllink'][] = "ln -sf ../../tests ./";

    /* Root Struktur */
    $cmd['rootDir'][] = "cd $customer";
    $cmd['rootDir'][] = "ln -sf ../../composer.json ./";
    $cmd['rootDir'][] = "ln -sf ../../composer.lock ./";
    $cmd['rootDir'][] = "ln -sf ../../composer.phar ./";


    /* App Struktur bauen */
    $cmd['appDir'][] = "cd ".$customer.DIRECTORY_SEPARATOR."app/";
    $cmd['appDir'][] = "ln -sf ../../../app/AppDoc ./";
    $cmd['appDir'][] = "ln -sf ../../../../app/config/config.yml ./config/";
    $cmd['appDir'][] = "ln -sf ../../../../app/config/config_prod.yml ./config/";
    $cmd['appDir'][] = "ln -sf ../../../../app/config/config_dev.yml ./config/";
    $cmd['appDir'][] = "ln -sf ../../../../app/config/config_test.yml ./config/";
    $cmd['appDir'][] = "ln -sf ../../../../app/config/routing.yml ./config/";
    $cmd['appDir'][] = "ln -sf ../../../../app/config/routing_dev.yml ./config/";
    $cmd['appDir'][] = "ln -sf ../../../../app/config/parameters.yml.dist ./config/";
    $cmd['appDir'][] = "ln -sf ../../../../app/config/security.yml ./config/";
    $cmd['appDir'][] = "ln -sf ../../../../app/config/services.yml ./config/";
    $cmd['appDir'][] = "ln -sf ../../../app/db ./";
    $cmd['appDir'][] = "ln -sf ../../../app/DoctrineMigrations ./";
    $cmd['appDir'][] = "ln -sf ../../../app/Resources ./";
    $cmd['appDir'][] = "ln -sf ../../../app/.htaccess ./";
    $cmd['appDir'][] = "cp -f ../../../app/AppCache.php ./";
    $cmd['appDir'][] = "cp -f ../../../app/AppKernel.php ./";
    $cmd['appDir'][] = "cp -f ../../../app/autoload.php ./";
    $cmd['appDir'][] = "cp -f ./config/parameters.yml.".$env." ./config/parameters.yml";

    /* Bin Struktur */
    $cmd['binDir'][] = "cd ".$customer.DIRECTORY_SEPARATOR."bin/";
    $cmd['binDir'][] = "cp -f ../../../bin/console ./";
    $cmd['binDir'][] = "cp -f ../../../bin/symfony_requirements ./";
    $cmd['binDir'][] = "ln -sf ../../../bin/wkhtmltox ./";

    /* Var Struktur */
    $cmd['varDir'][] = "cd ".$customer.DIRECTORY_SEPARATOR."var/";
    $cmd['varDir'][] = "cp -f ../../../var/bootstrap.php.cache ./";
    $cmd['varDir'][] = "cp -f ../../../var/SymfonyRequirements.php ./";
    $cmd['varDir'][] = "ln -sf ../../../var/data ./";

    /* Vendor Structure */
    $cmd['vendorDir'][] = "cd $customer";
    $vendorDirs = getFolders(dirname(__FILE__).DIRECTORY_SEPARATOR.'../vendor');
    foreach($vendorDirs as $vendor) {
        $vendorName = end(explode("/", $vendor));
        if($vendorName!='composer') {
            $cmd['vendorDir'][] = "ln -sf $vendor ./vendor/";
        }
    }
    $cmd['vendorDir'][] = "cp -rpP ../../vendor/composer/ ./vendor/composer";

    /* Web Struktur */
    $cmd['webDir'][] = "cd ".$customer.DIRECTORY_SEPARATOR."web/";
    $cmd['webDir'][] = "ln -sf ../../../web/bundles ./";
    $cmd['webDir'][] = "ln -sf ../../../web/cache ./";
    $cmd['webDir'][] = "ln -sf ../../../web/logos ./";
    $cmd['webDir'][] = "cp -f ../../../web/.htaccess ./";
    $cmd['webDir'][] = "cp -f ../../../web/app.php ./";
    $cmd['webDir'][] = "cp -f ../../../web/app_dev.php ./";
    $cmd['webDir'][] = "cp -f ../../../web/config.php ./";
    $cmd['webDir'][] = "ln -sf ../../../web/apple-touch-icon.png ./";
    $cmd['webDir'][] = "ln -sf ../../../web/favicon.ico ./";
    $cmd['webDir'][] = "ln -sf ../../../web/robots.txt ./";


    /* Administrative Tasks */
    $cmd['administrative'][] = "cd $customer";
    $cmd['administrative'][] = "./composer.phar install";
    $cmd['administrative'][] = "bin/console --no-interaction doc:mig:mig";
    $cmd['administrative'][] = "bin/console cache:clear --no-warmup";
    $cmd['administrative'][] = "bin/console cache:warmup";


    /** Run Commands */
    $returnCode = 0;
    $output = [];
    foreach($cmd as $key => $command)
    {
        echo "Kommando wird ausgeführt => ".implode(" && ", $cmd[$key])." \r\n";
        exec(implode(" && ", $cmd[$key]), $output, $retval);
        echo "Rückgabecode: $retval"."\r\n";
        $returnCode = ($retval==1) ? 1 : $returnCode ;
        foreach($output as $line) {
            echo "Output: $line"."\r\n";
        }
    }

}

exit($returnCode);

?>

您必须在每次部署应用程序后运行此脚本 - 我确实使用 mage (Magallanes) 来部署我的应用程序。所以我确实添加了一个任务（execShell）并用法师启动这个脚本。但您也可以手动运行它。

创建结构后，您可以访问 _portals/mySUBPortal/，您将找到一个具有所有功能的完整 symfony 应用程序结构。复制了某些类型的文件（否则，由于使用了DIR或FILE，它将无法正常工作），而其他类型的文件是符号链接的。

通过这种设置，您可以拥有相同的 SymfonyApp 源，但不同的数据库和工作学说迁移......

不要忘记将自定义 VHOST (APACHE/NGINX) 放在 DOCUMENT_ROOT 位于 _PORTALS 内的位置。

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