.. chill-doc documentation master file, created by
   sphinx-quickstart on Sun Sep 28 22:04:08 2014.
   You can adapt this file completely to your liking, but it should at least
   contain the root `toctree` directive.

.. Copyright (C)  2014-2019 Champs Libres Cooperative SCRLFS
   Permission is granted to copy, distribute and/or modify this document
   under the terms of the GNU Free Documentation License, Version 1.3
   or any later version published by the Free Software Foundation;
   with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
   A copy of the license is included in the section entitled "GNU
   Free Documentation License".

Installation & Usage
####################


Requirements
************

- This project use `docker  <https://docker.com>`_ to be run. As a developer, use `docker-compose <https://docs.docker.com/compose/overview/>`_ to bootstrap a dev environment in a glance. You do not need any other dependencies ;
- Make is used to automate scripts.

Installation in development mode
********************************

1. Get the code
===============

Clone or download the chill-app project and `cd` into the main directory.


.. code-block:: bash

   git clone https://gitlab.com/Chill-Projet/chill-app.git
   cd chill-app


As a developer, the code will stay on your computer and will be executed in docker container. To avoid permission problem, the code should be run with the same uid/gid from your current user. This is why we get your current user id with the command ``id -u`` in each following scripts.

2. Prepare composer download of sources
=======================================

As you are running in dev, you must configure an auth token for getting the source code. 

.. warning

   If you skip this part, the code will be downloaded from dist instead of source (with git repository). You will probably replace the source manually, but the next time you will run ```composer update```, your repository will be replaced and you might loose something.

1. Create a personal access token from https://gitlab.com/-/profile/personal_access_tokens, with the `read_api` scope.
2. add a file called ```.composer/auth.json```:

   .. code-block:: json

      {
        "gitlab-token": {
            "gitlab.com": "glXXX-XXXXXXXXXXXXXXXXXXXX"
        }
      }

2. Prepare your variables and environment
=========================================

Copy ```docker-compose.override.dev.yml``` into ```docker-compose.override.yml``` 

.. code-block:: bash

   cp docker-compose.override.dev.template.yml docker-compose.override.yml

Configure your environment variables, by creating a .env.local file and override the desired variables.

**Note**: If you intend to use the bundle ``Chill-Doc-Store``, you will need to configure and install an openstack object storage container with temporary url middleware. You will have to configure `secret keys <https://docs.openstack.org/swift/latest/api/temporary_url_middleware.html#secret-keys>`_.

3. Run the bootstrap script
===========================

This script can be run using `make`

.. code-block:: bash

   make init

This script will :

1. force docker-compose to, eventually, pull the base images and build the image used by this project ;
2. run an install script to download `composer <https://getcomposer.org>`_ ; 
3. install the php dependencies
4. build assets


4. Start the project
====================

.. code-block:: bash

   docker-compose up

**On the first run** (and after each upgrade), you must execute *post update commands* and run database migrations. With a container up and running, execute the following commands:

.. code-block:: bash

   make migrate

Chill will be available at ``http://localhost:8001.`` Currently, there isn't any user or data. To add fixtures, run

.. code-block:: bash

   docker-compose exec --user $(id -u) php bin/console doctrine:fixtures:load --purge-with-truncate

There are several users available:

- ``center a_social``
- ``center b_social``

The password is always ``password``.

Now, read `Operations` below.

Operations
**********

Build assets
============

run those commands: 

.. code-block:: bash

   make build-assets

How to execute the console ?
============================

.. code-block:: bash

   # if a container is running
   docker-compose exec --user $(id -u) php bin/console
   # if not 
   docker-compose run --user $(id -u) php bin/console

How to create the database schema (= run migrations) ?
======================================================

.. code-block:: bash

   # if a container is running
   docker-compose exec --user $(id -u) php bin/console doctrine:migrations:migrate
   # if not 
   docker-compose run --user $(id -u) php bin/console doctrine:migrations:migrate


How to read the email sent by the program ?
===========================================

Go at ``http://localhost:8005`` and you should have access to mailcatcher.

In case of you should click on a link in the email, be aware that you should remove the "s" from https.

How to load fixtures ? (development mode only)
==============================================

.. code-block:: bash

   # if a container is running
   docker-compose exec --user $(id -u) php bin/console doctrine:fixtures:load
   # if not 
   docker-compose run --user $(id -u) php bin/console doctrine:fixtures:load

How to open a terminal in the project
=====================================

.. code-block:: bash

   # if a container is running
   docker-compose exec --user $(id -u) php /bin/bash
   # if not 
   docker-compose run --user $(id -u) php /bin/bash

How to run composer ?
=====================

.. code-block:: bash

   # if a container is running
   docker-compose exec --user $(id -u) php ./composer.phar
   # if not 
   docker-compose run --user $(id -u) php ./composer.phar

How to access to PGADMIN ?
==========================

Pgadmin is installed with docker-compose.

You can access it at ``http://localhost:8002``.

Credentials:

- login: admin@chill.social
- password: password

How to run tests ?
==================

Tests reside inside the installed bundles. You must `cd` into that directory, download the required packages, and execute them from this place.

**Note**: some bundle require the fixture to be executed. See the dedicated _how-tos_.

Exemple, for running test inside `main` bundle: 

.. code-block:: bash

   # mount into the php image
   docker-compose run --user $(id -u) php /bin/bash
   # cd into main directory
   cd vendor/chill-project/main
   # download deps
   php ../../../composer.phar install
   # run tests
   /vendor/bin/phpunit

How to run webpack interactively
================================

Executing :code:`bash docker-node.sh` will open a terminal in a node container, with volumes mounted.

Build the documentation API
===========================

A basic configuration of `sami <https://github.com/FriendsOfPhp/Sami>`_ is embedded within the project. 

A configuration file for `phpDocumentor <https://www.phpdoc.org>`_ is present.

Error `An exception has been thrown during the rendering of a template ("Asset manifest file "/var/www/app/web/build/manifest.json" does not exist.").` on first run
====================================================================================================================================================================

Run :code:`make build-assets`

Running in production
*********************

Currently, to run this software in production, the *state of the art* is the following :

1. Run the software locally and tweak the configuration to your needs ;
2. Build the image and store them into a private container registry. This can be done using :code:`make build-and-push-image`.
   
   To be sure to target the correct container registry, you have to adapt the values ``IMAGE_NGINX`` and ``IMAGE_PHP`` date in the ``.env`` file.
3. Run the image on your production server, using docker-compose or eventually docker stack. You have to customize the variable set in docker-compose.

   See also the :ref:`running-production-tips-and-tricks` below.

.. warning::

   In production, you **must** set those variables:

   * ``APP_ENV`` to ``prod``
   * ``APP_DEBUG`` to ``false``

   There are security issues if you keep the same variable than for production.


.. _running-production-tips-and-tricks:

Tips and tricks
===============

Operation on database (backups, running custom sql, replication) are easier to set when run outside of a container. If you run into a container, take care of the volume where data are stored.

The PHP sessions are stored inside redis. This is useful if you distribute the traffic amongst different php server: they will share same sessions if a request goes into a different instance of the container.

When the PHP servers are shared across multiple instances, take care that some data is stored into redis: the same redis server should be reachable by all instances.

It is worth having an eye on the configuration of logstash container.


Design principles
*****************

Why the DB URL is set in environment, and not in parameters.yml ?
=================================================================

Because, at startup, a script does check the db is up and, if not, wait for a couple of seconds before running ``entrypoint.sh``. For avoiding double configuration, the configuration of the PHP app takes his configuration from environment also (and it will be standard in future releases, with symfony 4.0).