Symfony2+nginx external ENV vars aren't recognized by doctrine DB actions. fails with 'connection refused'.

[ghost]

I'm running Symfony2 2.6.6, nginx 1.7.12 on linux/64.

env VARS

SYMFONY__DATABASE__PASSWORD => "testtesttest"
SYMFONY__DATABASE__USER => "root"

have been set in shell & nginx.

As documented

"How to Set external Parameters in the Service Container":
 http://symfony.com/doc/current/cookbook/configuration/external_parameters.html

    "Now that you have declared an environment variable, it will be present in the PHP $_SERVER global variable. Symfony then automatically sets all $_SERVER variables prefixed with SYMFONY__ as parameters in the service container.

    You can now reference these parameters wherever you need them."

Verifying,

php -i | grep SYMFONY__DATABASE
    SYMFONY__DATABASE__PASSWORD => "testtesttest"
    SYMFONY__DATABASE__USER => "root"
    _SERVER["SYMFONY__DATABASE__PASSWORD"] => "testtesttest"
    _SERVER["SYMFONY__DATABASE__USER"] => "root"

setting symfony parameters

cat ./app/config/parameters.yml
    parameters:
        database_driver:   pdo_mysql
        database_host:     127.0.0.1
        database_port:     3306
        database_name:     test_01
        database_user:     "%database.user%"
        database_password: "%database.password%"
        mailer_transport:  smtp
        mailer_host:       ~
        mailer_user:       "%mailer.user%"
        mailer_password:   "%mailer.password%"
        locale:            en
        secret:            xxxx

symfony "at shell" should inherit the ENV-defined values

user <= "%database_user%" <= "%database.user%" <= SYMFONY__DATABASE__USER <= "root"
password <= "%database_password%" <= "%database.password%" <= SYMFONY__DATABASE__PASSWORD <= "testtesttest"

from site root, DB create with doctrine fails with "connection refused"

php app/console doctrine:database:create
    Could not create database for connection named `test_01`
    SQLSTATE[HY000] [2002] Connection refused

From shell, with mysql tools, there's no problem

mysqladmin -u root -p create test_01
    Enter password: 
    => "testtesttest"

mysqladmin -u root -p 
    ...
    +------------------------------+
    |          Databases           |
    +------------------------------+
    ...
    | test_01                      |
    +------------------------------+

Also, editing

./app/config/parameters.yml
    ...
-       database_user:     "%database.user%"
-       database_password: "%database.password%"
+       database_user:     root
+       database_password: "testtesttest"
    ...

All doctrine cmds, e.g.,

php app/console doctrine:database:drop --force
php app/console doctrine:database:create
php app/console doctrine:schema:create

now work without error

[ghost]

it's probably because of this: #7555

[jakzal]

Indeed. Closing as a duplicate.