4. Images should contain cloud-init, qemu-guest-agent and grow-part tools
4. Images should contain cloud-init, qemu-guest-agent and grow-part tools
5. OpenStack will resize instance after start. Image shouldn't contain any empty partitions or free space
5. OpenStack will resize instance after start. Image shouldn't contain any empty partitions or free space
## Add SWAP file to instance
By default VMs after creation do not have SWAP partition. If you need to add a SWAP file to your system you can download and run [script](https://gitlab.ics.muni.cz/cloud/cloud-tools/blob/master/swap.sh) that create SWAP file on your VM.