qemu-img convert -f vmdk -O qcow2 disk.vmdk disk.qcow2 Here is where the repack’s logic happens. Use virt-customize (part of libguestfs-tools ) to make changes without fully mounting.
virt-sparsify --compress disk.qcow2 disk_sparsed.qcow2 This removes zeroed blocks and compresses the image, reducing its footprint for KT SO storage backends. If KT SO requires VMDK (for vSphere environments), convert back:
In the rapidly evolving landscape of telecommunications and network function virtualization (NFV), few tasks are as technically nuanced—or as critical for testing—as managing virtual KT SO repack operations. virtual kt so repack
virt-customize -a disk.qcow2 \ --delete /etc/ssh/ssh_host_* \ --run-command 'ssh-keygen -A'
By mastering the process outlined in this guide, you ensure that your virtual network functions deploy seamlessly within Korea Telecom’s Service Orchestrator, perform optimally, and maintain security integrity. Whether you are a lab engineer, a VNF developer, or an NFV consultant, repacking remains an indispensable arrow in your quiver. Have you performed a KT SO repack with a unique challenge? Share your experience or ask for troubleshooting tips in the comments below. qemu-img convert -f vmdk -O qcow2 disk
virt-customize -a disk.qcow2 \ --mkdir /opt/kt_agent \ --upload kt_monitor.sh:/opt/kt_agent/ \ --chmod 0755 /opt/kt_agent/kt_monitor.sh \ --run-command 'echo "@reboot root /opt/kt_agent/kt_monitor.sh" >> /etc/crontab'
For engineers working with Korea Telecom (KT) service orchestrators, lab environments, or virtualized network functions (VNFs), the term "repack" signals more than just a file conversion. It represents a process of transforming, optimizing, and re-encapsulating virtual appliances to ensure compatibility, security, and performance. If KT SO requires VMDK (for vSphere environments),
<Property ovf:key="kt_so_agent_enabled" ovf:type="boolean" ovf:value="true"> <Label>KT SO Monitoring</Label> <Description>Enable the repacked monitoring agent</Description> </Property> Update or regenerate the .mf (SHA1) file:
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