flexpart-on-openstack

This is a project to create many (a dozen or more) virtual machines(instance) in cloud web services based on OpenStack, to calculate a flexpart model for predicting the spread of air pollution.

The main commands for working with OpenStack are described in the OpenStack Command file. Installation instructions for flexpart and its component - Flexpart Installing.

Features

• Create a new instance in OpenStack with certain hardware characteristics and OS
• Transfer setup_flexpart.sh script to this machine
• Setup flexpart and they all dependencies
• Download the weather forecast data to the instance according to the task
• Run the flexpart model and wait for the result
• After the completion of the calculation, transfer the result to the remote server
• Remove the virtual machine from OpenStack and free up resources for other tasks

Scripts

• Script to run a single instance in openstack: launch_instance
• Script to run multiple instances(100): run_multiple_instances
• Automatic configuration flexpart: setup_flexpart
• Download grib files: downloads_grib

Improving performance and speed of scripts

• All required scripts are located on ukrainian server or github mirror
• Create as OS image with flexpart properly installed
• Upload the forecast to a separate location with the ability to access from all instances

References

• Flexpart cite: http://flexpart.eu/
• Weather forecast site: https://www.ncei.noaa.gov/