ESGF Compute WPS

ESGF Compute WPS is a Django application providing access to computational resources through Web Processing Service (WPS) interface standard. The application provides a WPS 1.0.0 interface through PyWPS.

Intallation

Requirements:

• Conda
• Celery Worker w/Redis
• PostgreSQL database

git clone https://github.com/ESGF/esgf-compute-wps

cd esgf-compute-wps/

conda create -n esgf_wps -c conda-forge -c uvcdat esgf-compute-api cdms2 cdutil genutil pyzmq lxm

pip install -r requirements.txt

python compute/manage.py migrate

Quickstart

python compute/manage.py runserver 0.0.0.0:8000

Configuration

Environment variables

When starting the WPS Django application environment variables are checked first otherwise values are loaded from the Djago configuration file.

• OAUTH_CLIENT: OAuth2.0 Client value
• OAUTH_SECRET: OAuth2.0 Secret value
• CELERY_BROKER: Celery Broker URI
• CELERY_BACKEND: Celery Backend URI
• POSTGRES_HOST: PostgreSQL server address
• POSTGRES_PASSWORD: PostgresSQL password
• REDIS_HOST: Redis Host URI

Django settings

• OAUTH2_CALLBACK: Oauth2.0 callback URL
• HOSTNAME: Server hostname
• PORT: Server port
• CACHE_PATH: Server cache path
• OUTPUT_LOCAL_PATH: The path that data will be stored
• DAP: Enable/disable output as DAP url
• CA_PATH: Path to store MyProxyClient/OAuth2.0 trust certificates

Docker

Provided are several docker files and docker-compose files.

Standalone Django WPS server

You can access the demo page at http://0.0.0.0:8000

docker pull jasonb87/esgf_wps

docker run -d -p 8000:8000 esgf_wps