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Informations about the package diagnostic

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Diagnostic

The library for diagnostic application.

Build Status

Why?

This library helps for developers and devops for setup any applications.

If developer correct configure all diagnostics (paths, services, etc...) the devops before run the instance with our application only run diagnostic and can sees all problems (if it exist).

Primary problem:

The developer can add any parameter or service to application. As an example - add redis service for use in runtime. And lost provide this information before release application. The devops (or developer) release new version application and the system not have any problems. But, we have a major issue because the redis only used in runtime and not processed in deploy process.

Devops add this instance to load balancer (if exist), and in next times the application not correct work ;(

Solution:

Before add the instance to load balancer (or processed scope), devops run diagnostic and can see all major problems.

Restrictions

If you want work with this mechanism you MUST add diagnostic check to all end points. As an example:

Attention: the devops (infrastructure team, release manager, developer) is not magic person and cannot see all required services by sky stars.

Configure and Run

For easy configure the diagnostic, you can use \FiveLab\Component\Diagnostic\Check\Definition\DefinitionCollectionBuilder:

Integrate with applications

Dependency Injection

You can easy integrate this library to Symfony application, or application with DependencyInjection support.

For integrate, you can add the compiler pass to your container builder:

Add add check services:

The tag diagnostic.check support next attributes:

Console commands

We provide console commands for easy integrate to any applications:

Development

For easy development you can use the Docker and Docker compose.

After success run and attach to container you must install vendors:

Before create the PR or merge into develop, please run next commands for validate code:


All versions of diagnostic with dependencies

PHP Build Version
Package Version
Requires php Version ^8.2
ext-json Version *
symfony/event-dispatcher Version ~5.4 | ~6.0 | ~7.0
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