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example workflow

Backend is created with Django

This project was bootstrapped with Geodjango Template

For Quickly Getting Started

Note: Depending upon your OS and Env installation will vary, This project tightly depends on Tensorflow with GPU support so accordingly build your development environment

Install Python3, pip and virtualenv first

Skip this, step if you already have one
sudo apt-get install python3
sudo apt-get install -y python3-pip
sudo apt install python3-virtualenv
Create your virtual env
virtualenv env
source ./env/bin/activate
Setup Basemodels (Ramp Supported Currently)
  • Install git lfs
sudo apt-get install git-lfs
  • Clone Ramp Basemodel
git clone https://github.com/radiantearth/model_ramp_baseline.git
  • Clone Ramp - Code Note: This clone location will be your RAMP_HOME
git clone https://github.com/kshitijrajsharma/ramp-code-fAIr.git ramp-code
  • Copy Basemodel checkpoint to ramp-code
cp -r model_ramp_baseline/data/input/checkpoint.tf ramp-code/ramp/checkpoint.tf
  • Remove basemodel repo we don't need it anymore
rm -rf model_ramp_baseline
  • Install numpy Numpy needs to be installed before gdal
pip install numpy==1.23.5
  • Install gdal and rasetrio Based on your env : You can either use conda / setup manually on your os for eg on ubuntu :
sudo add-apt-repository ppa:ubuntugis/ppa && sudo apt-get update
sudo apt-get install gdal-bin
sudo apt-get install libgdal-dev
export CPLUS_INCLUDE_PATH=/usr/include/gdal
export C_INCLUDE_PATH=/usr/include/gdal
pip install --global-option=build_ext --global-option="-I/usr/include/gdal" GDAL==`gdal-config --version`
  • Install Ramp - Dependecies
cd ramp-code && cd colab && make install
  • For Conda users : You may need to install rtree, gdal , rasterio & imagecodecs separately
conda install -c conda-forge rtree
conda install -c conda-forge gdal
conda install -c conda-forge rasterio
conda install -c conda-forge imagecodecs
Install necessary libraries for fAIr
pip install --upgrade setuptools
  • Install fAIr Utilities
pip install hot-fair-utilities==1.0.41

Remember In order to run fAIr , You need to configure your PC with tensorflow - GPU Support

You can check your GPU by :

import tensorflow as tf
print("Num GPUs Available: ", len(tf.config.experimental.list_physical_devices('GPU')))
  • Install psycopg2 Again based on your os/env you can do manual installation for eg : on ubuntu :
sudo apt-get install python3-psycopg2
  • Install redis server on your pc
sudo apt install redis
  • Finally installl pip dependencies
pip install -r requirements.txt

Make sure you have postgresql installed with postgis extension enabled

Configure .env:

Create .env in the root backend project , and add the credentials as provided on .env_sample , Export your secret key and database url to your env

Export your database url 
```
export DATABASE_URL=postgis://postgres:postgres@localhost:5432/ai
```

You will need more env variables (Such as Ramp home, Training Home) that can be found on ```.sample_env```

Now change your username, password and db name in settings.py accordingly to your database

python manage.py makemigrations login core
python manage.py migrate
python manage.py runserver

Now server will be available in your 8000 port on web, you can check out your localhost:8000/admin for admin panel

To login on admin panel, create your superuser and login with your credentials restarting the server

python manage.py createsuperuser

Authentication

fAIr uses oauth2.0 Authentication using osm-login-python

  1. Get your login Url Hit /api/v1/auth/login/
    • URL will give you login URL which you can use to provide your osm credentials and authorize fAIr
    • After successful login you will get access-token that you can use across all osm login required endpoints in fAIr
  2. Check authentication by getting back your data Hit /api/v1/auth/me/
    • URL requires access-token as header and in return you will see your osm username, id and image url

Start celery workers

  • Start celery workers
celery -A aiproject worker --loglevel=debug -n my_worker
  • Monitor using flower if you are using redis as result backend, api supports both options django / redis You can start flower to start monitoring your tasks
celery -A aiproject  --broker=redis://127.0.0.1:6379/0 flower

Run Tests

python manage.py test

Build fAIr with Docker for Development

  • Install all the required drivers for your graphics to access it from containers, and check your graphics and drivers with nvidia-smi . Up to now only nvidia is Supported
  • Follow docker_sample_env to create .env file in your dir
  • Build the Image
docker-compose up -d --build
  • Once the image is build, Open the API container terminal and run the migrations