DevOps Commands:
- cinder create --display-name <name_of_volume> <size_in_gb> /* openstack volume manage command - cinder create --display-name volume1 50*/
- openstack volume create --image <image_jenkins-prod-release> --size 80 --bootable vol-jenkins-prod-release-1
- nova image-create --poll <uuid_of_instance> <a_meaningful_snapshot_name> /*Command to create snapshot of instance in openstack*/