Running OpenStack servers

os-server-running.py

#!/usr/bin/python3

import argparse
import datetime
import sys
import openstack


def _parser():
    parser = argparse.ArgumentParser(
        description='Find running instances',
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    parser.add_argument('hours', type=int,
                        help='Minimum number of hours the instance is running')
    return parser


def main():
    parser = _parser()
    args = parser.parse_args()
    conn = openstack.connect()

    servers = conn.compute.servers(**{'status': 'ACTIVE'})
    dt_now = datetime.datetime.now(datetime.timezone.utc)
    dt_hours = datetime.timedelta(hours=args.hours)
    for s in servers:
        dt_created_at = datetime.datetime.strptime(s.created_at, "%Y-%m-%dT%H:%M:%S%z")
        #print(dt_hours, dt_now, dt_created_at, dt_created_at + dt_hours)
        if (dt_created_at + dt_hours) < dt_now:
            print('{:20} {:40} since: {} (created at: {})'.format(s.name, s.id, dt_now - dt_created_at, dt_created_at))
    return 0


if __name__ == "__main__":
    rc = main()
    sys.exit(rc)