ChRIS_store

Backend for the ChRIS store. This is a Django-PostgreSQL project that houses descriptions of ChRIS plugin-apps and workflows for registering to a ChRIS CUBE instance.

ChRIS store development, testing and deployment

Abstract

This page describes how to quickly get the set of services comprising the backend up and running for development and how to run the automated tests. A production deployment of the ChRIS store backend services is also explained.

Preconditions

Install latest Docker and Docker Compose

Currently tested platforms:

• Ubuntu 18.04+ and MAC OS X 10.14+ and Fedora 31+ (Additional instructions for Fedora)
• Docker 18.06.0+
• Docker Compose 1.27.0+

On a Linux machine make sure to add your computer user to the docker group

Consult this page: https://docs.docker.com/engine/install/linux-postinstall/

TL;DR

If you read nothing else on this page, and just want to get an instance of the ChRIS store backend services up and running with no mess, no fuss:

git clone https://github.com/FNNDSC/ChRIS_store.git
cd ChRIS_store
./make.sh down ; ./make.sh up

The resulting instance uses the default Django development server and therefore is not suitable for production.

Production deployment on a single-machine Docker Swarm cluster

To get the production system up:

Start a local Docker Swarm cluster if not already started:

docker swarm init --advertise-addr 127.0.0.1

Fetch source code:

git clone https://github.com/FNNDSC/ChRIS_store
cd ChRIS_store

Create secrets directory:

mkdir swarm/prod/secrets

Now copy all the required secret configuration files into the secrets directory, please take a look at this wiki page to learn more about these files

Deploy ChRIS store backend containers:

./deploy.sh up

To tear down:

Remove ChRIS store backend containers:

cd ChRIS_store
./deploy.sh down

Remove the local Docker Swarm cluster if desired:

docker swarm leave --force

Development

Instantiate ChRIS Store dev environment

Start ChRIS Store services by running the make bash script from the repository source directory

git clone https://github.com/FNNDSC/ChRIS_store.git
./make.sh up

All the steps performed by the above script are properly documented in the script itself.

After running this script all the automated tests should have successfully run and a Django development server should be running in interactive mode in this terminal.

Rerun automated tests after modifying source code

Open another terminal and run the Unit and Integration tests within the container running the Django server:

To run only the Unit tests:

cd ChRIS_store
docker-compose -f docker-compose_dev.yml exec chris_store_dev python manage.py test --exclude-tag integration

To run only the Integration tests:

docker-compose -f docker-compose_dev.yml exec chris_store_dev python manage.py test --tag integration

To run all the tests:

docker-compose -f docker-compose_dev.yml exec chris_store_dev python manage.py test 

Check code coverage of the automated tests

Make sure the store_backend/ dir is world writable. Then type:

docker-compose -f docker-compose_dev.yml exec chris_store_dev coverage run --source=plugins,pipelines,users manage.py test
docker-compose -f docker-compose_dev.yml exec chris_store_dev coverage report

Using HTTPie to play with the REST API

A simple GET request:

http http://localhost:8010/api/v1/

A simple POST request to register a new plugin app in the store:

First save the plugin representation json file by running the plugin with the --savejson flag:

docker run --rm -v /tmp/json:/json fnndsc/pl-simplefsapp simplefsapp --savejson /json

Then upload the plugin representation json file to the ChRIS Store as part of the POST request:

http -a cubeadmin:cubeadmin1234 -f POST http://localhost:8010/api/v1/plugins/ dock_image=fnndsc/pl-simplefsapp descriptor_file@/tmp/json/SimpleFSApp.json public_repo=https://github.com/FNNDSC/pl-simplefsapp name=pl-simplefsapp

An unauthenticated POST request to create a new ChRIS store user account:

http POST http://localhost:8010/api/v1/users/ Content-Type:application/vnd.collection+json Accept:application/vnd.collection+json template:='{"data":[{"name":"email","value":"developer@babymri.org"}, {"name":"password","value":"newstoreuser1234"}, {"name":"username","value":"newstoreuser"}]}'

Destroy ChRIS Store dev environment

Stop and remove ChRIS Store services by running the make bash script from the repository source directory

./make.sh down

REST API Documentation

Available here.

Install Sphinx and the http extension (useful to document the REST API)

pip install Sphinx
pip install sphinxcontrib-httpdomain

Build the html documentation

cd docs/
make html

Learn More

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