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A skeleton application for creating and processing background jobs.

jobserver 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

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# JobServer

JobServer is a skeleton repository used for creating and processing background jobs 
backed by [Tarantool](http://tarantool.org/). It contains configuration files and folders 
you will need for quick start from scratch.

## Installation

The recommended way to create a new application is through [Composer](http://getcomposer.org):

```sh
composer create-project tarantool/jobserver -s dev
```

## Quick start

First, create your own `docker-compose.override.yml` file by copying 
[docker-compose.override.yml.dist](docker-compose.override.yml.dist) (or 
[docker-compose.override.yml.full.dist](docker-compose.override.yml.full.dist) if you want to test the full setup 
including a Tarantool cluster with automatic failover and monitoring tools) and customize to your needs. 
Do the same for [.env.dist](.env.dist) and all `*.dist` files located in [app/config](app/config) and [res](res).

Then, browse to the project directory and execute this command:

```sh
docker-compose up -d
```

After the command has completed successfully, you'll have a running server ready to execute jobs.
If you open a log file in follow mode (`tail -f var/log/workers.log`), you'll see something like the following:

```sh
[2017-11-19 00:00:23] default:worker.DEBUG: Idling... [] []
[2017-11-19 00:00:24] default:worker.DEBUG: Idling... [] []
[2017-11-19 00:00:25] default:worker.DEBUG: Idling... [] []
```

Let's now try to add a task to the queue. This repository comes with a [demo job](src/UseCase/Greet/GreetHandler.php)
that writes a greeting to the log. By running the following command:

```sh
docker-compose exec worker ./jobserver queue:put default -H tarantool \
    '{"payload": {"service": "greet", "args": {"name": "foobar"}}}'
```

we add a task to the `default` queue with a job payload, 
where `greet` is a job name and `foobar` is an argument passing to a job callable.

Now in the log you will see that the job is executed:

```sh
[2017-11-19 00:00:32] jobserver.INFO: HELLO FOOBAR [] []
[2017-11-19 00:00:33] default:worker.DEBUG: Idling... [] []
[2017-11-19 00:00:34] default:worker.INFO: Task #0 was successfully processed. {"payload":{"args":{"name":"foobar"},"service":"greet"}} []
```

Also, you can run the job directly in the console, bypassing the queue:

```sh
docker-compose exec worker ./jobserver -vvv handler:greet foobar
```

To be able to run a job from the console, you need to write an adapter for the symfony command 
and register it in [app/config/commands.php](app/config/commands.php). This is how the adapter 
looks like for GreetHandler: [GreetCommand](src/UseCase/Greet/GreetCommand.php).

To see a list of all registered commands, run:

```sh
docker-compose exec worker ./jobserver
```

## Tarantool

To use a web interface for Tarantool, open your browser and access 
the [http://localhost:8001](http://localhost:8001/) address (make sure that 
Docker containers are running).

To get into Tarantool console as admin on a running Docker container, execute:

```sh
docker-compose exec tarantool tarantoolctl connect /var/run/tarantool/tarantool.sock
```

On a server:

```sh
sudo tarantoolctl enter jobserver_instance
```

On the server as a job queue user:

```sh
sudo tarantoolctl connect $TNT_JOBQUEUE_USER:$TNT_JOBQUEUE_PASSWORD@$TNT_JOBQUEUE_HOST:3301
```

## Monitoring

Open your browser and access:

* [Prometheus](http://localhost:9090/) 
 * [Alert manager](http://localhost:9093/)
 * [Grafana](http://localhost:3000/)

![Grafana](https://raw.githubusercontent.com/tarantool-php/jobserver/master/res/grafana/screenshot.png)

> *Make sure to use a copy of [docker-compose.override.yml.full.dist](docker-compose.override.yml.full.dist) 
> to have all monitoring containers running.*

## Testing

```sh
docker-compose exec worker vendor/bin/phpunit
```

## Debugging

To debug a job runner, first, stop the worker container

```sh
docker-compose stop worker
```

Then, start listening for php debug connections and then execute:

```sh
LOCAL_IP=<your-local-ip> docker-compose run --rm worker bash -c ' \
    TNT_JOBQUEUE_PASSWORD=jobserver \
    vendor/bin/jobqueue run default \
    --config app/config/jobqueue.php \
    --executors-config app/config/executors.php \
    --user jobserver \
    --host tarantool \
'
```

> *Check [this manual](https://confluence.jetbrains.com/display/PhpStorm/Simultaneous+debugging+sessions+with+PhpStorm) 
> to learn how to debug multiple processes (for example, the runner and background jobs) 
> simultaneously in PhpStorm.*

## License

The library is released under the MIT License. See the bundled [LICENSE](LICENSE) file for details.

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