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A bundle that provides a simple /healthcheck route

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Health Check Bundle

A bundle that provides a simple /healthcheck route

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Install

Composer

composer require ekreative/health-check-bundle

AppKernel

Include the bundle in your AppKernel

public function registerBundles()
{
    $bundles = [
        ...
        new Ekreative\HealthCheckBundle\EkreativeHealthCheckBundle(),

Routing

ekreative_health_check:
    resource: '@EkreativeHealthCheckBundle/Resources/config/routes.xml'

Security

You should make sure /healthcheck does not require authentication

security:
    firewalls:
        healthcheck:
            pattern: ^/healthcheck
            security: false

Configuration

By default healthcheck will check that your default doctrine connection is working.

Doctrine

To check more than one doctrine connection you should add the configuration, listing the names of the connections

ekreative_health_check:
    doctrine:
        - 'default'
        - 'alternative'

You can also list doctrine connections that should be checked, but don't cause a failure

ekreative_health_check:
    optional_doctrine:
        - 'another.optional'

Its possible to disable the doctrine check

ekreative_health_check:
    doctrine_enabled: false

Timeout

Its recommended to change the default PDO connection timeout so that your health check will fail faster

Add this under connection setting

doctrine:
    dbal:
        connections:
            default:
                driver: pdo_mysql
                host: '%database_host%'
                options:
                    !php/const PDO::ATTR_TIMEOUT: 5

Redis

The bundle can also check that redis connections are working. You should add a list of service names to check

ekreative_health_check:
    redis:
        - 'redis'

You can also list redis connections that should be checked, but don't cause a failure

ekreative_health_check:
    optional_redis:
        - 'redis.optional'

Timeout

Its recommended to change the default Redis connection timeout so that your health check will fail faster. Its the third argument to connect call for \Redis.

services:
    redis:
        class: Redis
        calls:
            - [ connect, ['%redis_host%', '%redis_port%', 5]]

Redis

When you want redis to be optional, you might want to use the provided RedisFactory (or your own) that catches any exceptions on connect. Without this a Redis failure will cause the container to fail, resulting in a 500 error.

services:
    redis:
        class: Redis
        factory: Ekreative\HealthCheckBundle\DependencyInjection\RedisFactory::get
        arguments:
            $host: 'example.com'

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