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ooi-ui-services

Ocean Observatories Initiative - User Interface Services

Services

The WSGI service endpoints are listed and defined below: Active Routes for Listing:

/arrays
/get_data
/organization
/parameters
/platform_deployments
    /platform_deployments?array_id=
/instrument_deployments
    /instrument_deployments?platform_deployment_id=
/streams
    /streams?instrument_id=
/platformlocation
    /platformlocation?reference_designator=
/display_name?reference_designator=

Active Routes for specific item deployment inspection:

/arrays/<string:array_code>
/parameters/<string:id>
/platform_deployments/<string:reference_designator>
/instrument_deployments/<string:reference_designator>
/streams/<string:stream_name>
/parameter/<string:stream_parameter_name>

POST routes:

/annotation
    'comment':
    'field_x':
    'field_y':
    'y-files':
    'instrument_name':
    'pos_x':
    'pos_y':
    'stream_name':
    'title': 'test'
    'user_name':

uFrame normalized routes:

/get_data/<instrument>/<sensor>

Configuration

Be sure to edit your ooiservices/app/config.yml file to the correct URLs and Database Connectors.

Service setup

Ensure you have the following:

sudo apt-get update -qq
sudo apt-get install -y python-dev
sudo apt-get install -y python-matplotlib
sudo apt-get install -y libhdf5-serial-dev
sudo apt-get install -y libnetcdf-dev

While in your virtualenv, run the requirement.txt file: pip install -r ooiservuces/requirements/dev.txt

Setup your PostgreSQL environment: install postgis...

Make sure you have the environment variables defiend:

PYTHONPATH=.

Setup the Database:

python ooiservices/manage.py deploy --password <admin-password> --psqluser <postgres authorized user --production
--password is required
--psqluser is optional, default is postgres
--production will create the ooiuiprod database instead of ooiuidev and ooiuitest

Note: Only works on *nix systems.  Windows users must create the desired database manually
and use rebuild_schema to deploy

Note: On all systems, rebuild_schema rebuilds the target schema within the active database connection 
(in config.yml or config_local.yml) with the option to save the existing users, 
add more admin user information, choose the target schema and schema owner.

Debugging Database Problems

If you attempt to deploy the database ooiservices/manage.py deploy and encounter an error "role postgres does not exist". You need to create the role postgres. You can do so by

psql postgres
CREATE ROLE postgres LOGIN SUPERUSER;

Run Redis

Ensure redis-server is installed, running and that the python env works

python
import redis
rs = redis.Redis("localhost")
rs.ping()

Should yield a 'True' response

Running the services instance

python ooiservices/manage.py runserver
celery worker -A ooiservices.app.tasks -B

Note: celery workers must be lauched in order to refresh the redis cache.

To run the project using uWSGI (Production)

Remember to modify WSGI.py and app.ini to your specific installation environment

sudo mkdir /tmp/ooi-ui-services
sudo chown ooiui:nginx /tmp/ooi-ui-services
sudo chmod 755 /tmp/ooi-ui-services

Launch as a background process

uwsgi --ini app.ini &

Service Tests

Test your initial setup by running from ooi-ui-services directory:

python ooiservices/manage.py test

Verify you are getting data by using a web browser and navigating to:

http://localhost:4000/arrays

This is the collection of services for the OOI UI.

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