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🛑 Warning: No longer maintained

This repo is no longer maintained. It is provided for archival / reference purposes only.

FabGIS

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'Fabric tasks for the busy FOSSGIS professional'

Welcome to the fabgis project! The purpose of this project is to commodotise the deployment of FOSSGIS services onto services. By commodotise we mean 'treat servers as expendible and rapidly replaceable entities that can be deployed either singularly or en masse'.

.. warning:: While we try our best to make stable and reliable tasks, there is the inherant danger that these tasks may break some configuration on a running server. Before using in any production environment, test, test and test again in a sandboxed environment. We take NO RESPONSIBILITY for any bad things that may happen on your system.

.. warning:: Yeah I know we are going a bit overboard with our warnings but please note that these scripts do not harden your server against intrusion / maximum security - that is YOUR RESPONSIBILITY.

To achieve this we use the wonderful fabric library (http://fabfile.org). If you want to get more familiar with fabric, there is a very nice article here: http://www.linuxjournal.com/content/fabric-system-administrators-best-friend which contains enough information to get you started.

What kind of services do we commodotise? Here are a few of the kinds of activities you can do with fabgis:

  • Install PostgreSQL and PostGIS (both 1.5 and 2.0). We support 1.5 because many DJANGO instances still rely on it.
  • Install QGIS (both 1.8 and master), built from source for optimium performance.
  • Install QGIS Server (both 1.8 and master), again built from source.
  • Backup and restore Postgresql databases (pulling a backup off the server and pushing a backup up to the server and restoring it).
  • Deploying a DJANGO application under apache.
  • Deploying a website under apache.
  • Deploying a UMN Mapserver instance.

We plan on supporting many other activities (tasks in fabric parlance).

Getting started

.. note:: All documentation here assumes that your host and target systems use Ubuntu. The procedures will probably work on other debian derivatives. Support for other operating systems is not yet available.

To get started, you need to install fabric and fabtools. This command will take care of that for you::

sudo pip install -r requirements.txt

We assume you have pip installed and that you are happy to install these as system packages. If not, consider deploying a venv in the fabgis root directory and activating it before trying any of the examples listed below.

Testing with Vagrant

You need to have a server to deploy to. The simplest use case is to deploy directly onto localhost. For testing we recommend and support using Vagrant since the testing will be in a sandbox that you can destroy and recreate from scratch (which is kinda the whole point of fabgis).

Vagrant will spin up a virtual machine and you can run your vagrant tasks in the Vagrant instance. A Vagrantfile is provided in this repository so that you can try out the tools provided by fabgis is a sandbox with no risk of damaging your production systems.

To start you need to install vagrant on your system::

wget -c http://files.vagrantup.com/packages/a7853fe7b7f08dbedbc934eb9230d33be6bf746f/vagrant_1.2.1_x86_64.deb
sudo dpkg -i vagrant_1.2.1_x86_64.deb

The download is around 20mb.

.. note:: Don't use the one in apt - it is old (at the time of writing anyway).

Some examples

Here is how we might create a new postgis 1.5 instance on the target host::

fab vagrant create_postgis_1_5_db:dbname=test