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# Flamenco 2.0
Development repo for Flamenco 2.0 (originally known as brender). Flamenco is a
Free and Open Source Job distribution system for render farms.
Warning: currently Flamenco is in beta stage, testing welcome!
## Developer installation
In order to install Flamenco, we recommend to set up a Python virtual environment.
```
$ sudo easy_install virtualenv
```
On Linux this might work better:
```
$ sudo apt-get install python-virtualenv
```
Once you have virtualenv installed, just fire up a shell and create your own environment. You may want to create this folder inside of the Flamenco folder:
```
$ cd Flamenco
$ virtualenv venv
New python executable in venv/bin/python
Installing distribute............done.
```
Now, whenever you want to work on a project, you only have to activate the
corresponding environment. On OS X and Linux, do the following:
```
$ . venv/bin/activate
```
Now you can just enter the following command to get Flask activated in your
virtualenv:
## Core dependencies
The project has been developed for `python2.7`. We will move to `python3`
eventually.
On Unix systems, to install python dependencies, you may need to install
`python-dev` package.
On OSX, in order to prevent some warnings, you might need to run:
```
$ ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future
```
Then we just install all the packages required (run this on all systems)
```
$ pip install -r requirements.txt
```
Databases are managed by `MySQL` or `SQLite` (for testing only, don't use in production).
### Grunt file for the Dashboard
In order to streamline UI development of the Dashboard, we use Jade templating
and Sass for the CSS generation. In oder to generate the templates and CSS needed
by the dashboard, you need to install [NodeJS](https://nodejs.org/en/) and run
the following commands.
#### OSX
```
cd flamenco/dashboard
npm install -g grunt-cli
npm install
grunt
```
#### Debian Linux Wheezy and Ubuntu 14.04
```
sudo aptitude install python3-pip libmysqlclient-dev build-essential python-dev libjpeg8 libjpeg8-dev libfreetype6 libfreetype6-dev zlib1g-dev python-pip
sudo pip install virtualenv
# install blender BAM using pip3
sudo pip3 install blender-bam
# install python deps (remember to `source bin/activate` first!)
pip install -r $FLAMENCODIR/requirements.txt
# dashboard dependencies
cd flamenco/dashboard
# this is needed only on wheezy distribution
sudo echo "deb http://ftp.us.debian.org/debian wheezy-backports main" >> /etc/apt/sources.list
sudo apt-get update
# On linux you can install NodeJS using the package manager.
sudo apt-get install nodejs nodejs-legacy curl
sudo curl -L --insecure https://www.npmjs.org/install.sh | bash
sudo npm install -g grunt-cli
sudo apt-get install ruby
sudo gem install sass
sudo npm install
grunt
```
## Running Flamenco
It's pretty simple. Move into each folder ( server, manager, dashboard, worker)
and run:
```
$ ./manage.py runserver # will start the different components
```
When running this command for the Manager for the first time, you will be
prompted for some configuration parameters.
If you now visit `http://localhost:8888` with your web browser you should see the dashboard!
It is also possible to configure the different applications. You may find a `config.py.example`, so you can rename it to `config.py` and edit it before run the application.
## Architecture
The important subfolders are:
* `server` containing the server files
* `worker` containing the worker files (render nodes)
* `manager` containing the manager files (manage clusters)
* `dashboard` containing the dashboard (web interface to talk to the server)
This structure explains also the naming conventions adopted to distinguish the
different parts of Flamenco.
Each folder contains an individual Flask application (except for the worker).
Server, Manager and Worker exchange JSON formatted messages between each other
via a REST API.
Dashboard connects to the Server only and accepts connections from clients (Browsers).
### About the web interface
Frameworks and tools used by the interface are:
* jQuery
* Bootstrap
* DataTables
### User and Developer documentation
The documentation is built with Sphinx and uses the readthedocs.org theme, so
make sure you have it installed. Instructions are available here:
`https://github.com/snide/sphinx_rtd_theme`
The `_build` contains the locally compiled documentation, which does not need
to be committed to the branch.