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Complete prerequisites first ([PRE-01](PRE-01) → [PRE-08](PRE-08) minimum) before running these tests. Go to prerequisites

Verify golden image import and PVC clone

Create and boot first VM from template (RHEL 9)

Masquerade uses OVN-K over eno2/br-ex — no bridge setup required

VM live migration (SNO: expected failure)

NOT POSSIBLE on SNO — live migration requires ≥2 nodes. Documented as an expected failure.

🚫 Not runnable in this environment

Not executable on SNO. Document the error and demonstrate VM restart as an alternative.

# Expected error:
virtctl migrate test-vm-rhel9 -n vmtest
# Error: no suitable destination node

# Alternative — Graceful Restart:
virtctl stop test-vm-rhel9 -n vmtest
# wait until Stopped...
virtctl start test-vm-rhel9 -n vmtest

# Measure time:
time (virtctl stop test-vm-rhel9 -n vmtest &&       oc wait vmi test-vm-rhel9 -n vmtest --for=delete --timeout=120s &&       virtctl start test-vm-rhel9 -n vmtest)

Create VM snapshots and perform restore

Test on local storage

Clone VM and use as template (Golden VM pattern)

Pod network (masquerade) and VM access via Service

Optimal for single-NIC — OVN-K over eno2/br-ex, no bridge setup required

VM directly reachable on LAN (OVN-K localnet) -- ⚠ HETZNER TOS VIOLATION

✗ NOT TESTABLE ON HETZNER -- TOS violation! OVN-K localnet works technically (verified 30.06.2026: ping successful), but any VM MAC that reaches eno2/the physical switch via this interface is detected and reported by Hetzner as an unauthorised MAC (server suspension threatened). Only the registered server MAC is permitted.

SR-IOV – high-performance networking (HW missing)

✗ NOT TESTABLE — SR-IOV requires a dedicated second NIC (Intel X710, Mellanox ConnectX). The sole NIC eno2 is consumed by OVN-K and cannot be used for SR-IOV VFs.

Test VLAN isolation — VMs in separate software bridges

Variant A uses pure software bridges br-net1/2/3 (port: []) — no VM MAC leaves eno2/the physical switch, no TOS risk. Variant B (on-premises, trunk port) is relevant only with your own switch.

Inter-VLAN routing via router VM (br-net1 ↔ br-net2)

purely internal software bridges br-net1/br-net2 (port: []) — no VM MAC leaves the node

VM with 3 Network Interfaces (Management + Data + Storage)

OVN-Kubernetes UserDefinedNetwork (Layer2 Overlay)

UserDefinedNetwork with Layer2 topology is a pure overlay (encapsulated Geneve tunnel within OVN-K) — explicitly NOT localnet, so no VM MAC leaves the node.

⚠️ DEDICATED NAMESPACE REQUIRED: see NOTE below.

Verify MetalLB Basic Functionality

2 Pools: internal-pool binds to br-net1 — external-pool binds to eno2, requires a 2nd public IP

Expose VM Services via MetalLB (SSH)

external-pool uses a provider-registered additional IP (e.g. Hetzner Additional IP); MetalLB speaker announces with the node's own MAC.

⚠️ SHARED RESOURCE: external-pool currently has only ONE IP — Clean up after this test (delete vm-ssh-lb) before starting TC-HCP-002

MetalLB BGP Mode with Router Peering

⚠️ NOT usable by default on the current SNO cluster: there is no customer-controlled router in the path for peering. Left for documentation purposes and future tests.

Multiple IP Pools and Namespace Isolation

MetalLB + Isolated Software Bridges: LB IPs per Bridge Interface

L2Advertisement explicitly binds to br-net1/br-net2 — ARP announcements stay node-internal.

Verify HyperShift Operator and MCE

Single-NIC OK — HyperShift pods use the OVN-K pod network.

⚠️ Check Pod/Node Capacity before starting TC-HCP-002 — see steps below.

Create Hosted Cluster with KubeVirt provider

⚠️ SNO EXAMPLE INSTALLATION: --control-plane-availability-policy SingleReplica is mandatory on a single-node cluster.

Scale NodePool and change VM flavour

⚠️ Be sure enough compute resources are available on the SNO node before starting this test.

Remove Hosted Cluster cleanly (destroy)

DataVolume import from multiple sources

Import over OVN-K — bandwidth is shared with OCP traffic on eno2/br-ex in this cluster

Create VM backup with OADP

Restore VM from OADP backup

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🧪 Test cases(24 of 50)

Test cases(24 of 50)