Disk Resource Allocation REST API

Purpose

The objective of this module is to provide a REST API to perform Resource Allocation of the physical disks of a given node.

REST API

Endpoint: resources/disks/v1/<node>/disks/<diskX>

::

GET <node>/disks {

'disk0': 'free', 'disk1': 'jenes/mpi/cluster01/master0', 'disk2': 'free', 'disk3': 'free',

}

GET <node>/disks?free {

'number': 3, 'disks': ['disk0', disk2', 'disk3']

}

GET <node>/disks?used {

'number': 1, 'disks': ['disk1']

}

GET <node>/disks/<diskX> {

'status': 'free'

}

PUT <node>/disks/<diskX> {

'status': 'jenes/mpi/cluster01/master0'

}

KV Store

/resources/<node>/disks/<disk>/status

Deployment

Installation:

virtualenv venv
. venv/bin/activate
pip install -r requirements.txt
pip install gunicorn

Running the application in production using screen:

su - restuser
cd <install_dir>
. venv/bin/activate
FLASK_CONFIG=production gunicorn --workers=2 --bind=:5000 wsgi:application