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Co-authored-by: vsibirsk <57763370+vsibirsk@users.noreply.github.com>
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‎stps/sig-virt/multiarch_support.md‎

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@@ -55,9 +55,9 @@ This STP serves as the **overall roadmap for testing**, detailing the scope, app
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This test plan checks if VMs schedules and live migrates correctly on a mixed architecture cluster
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**In Scope:**
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- Create VMs for both AMD and ARM and confirm the cluster automatically places them on respective architecture node.
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- Test VM creation using both DataSources and Qcow2 images and ensure they always land on the right nodes.
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- Verify that VMs can Live Migrate between nodes of the same type (x86 to x86 and ARM to ARM) without stopping.
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- Create VMs for both AMD64 and ARM64 arch types and confirm the cluster automatically schedules them on respective architecture node.
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- Test VM creation using both golden image DataSources and custom Qcow2 images and ensure they always land on the right nodes.
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- Verify that VMs can Live Migrate between nodes of the same type (`amd64` to `amd64` and `arm64` to `arm64`) without issues.
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**Out of Scope (Testing Scope Exclusions)**
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**Note:** Replace example rows with your actual out-of-scope items.
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- Verify Live Migration: Successfully migrate running VMs between same-arch nodes (x86 to x86, ARM to ARM).
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- Verify Multi-Method Provisioning: Achieve 100% success rate for VM creation using both DataSources and Qcow2 images across both architectures.
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- Verify Multi-Method Provisioning: Achieve 100% success rate for VM creation using both golden image DataSources and custom Qcow2 images across both architectures.
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#### **3. Test Strategy**
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| Item | Description | Applicable (Y/N or N/A) | Comments |
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| :----------------------------- | :----------------------------------------------------------------------------------------------------------------- | :---------------------- | :------- |
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| Functional Testing | Yes | | |
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| Automation Testing | Yes | | |
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| Performance Testing | N/A | | |
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| Security Testing | N/A | | |
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| Usability Testing | Yes | | |
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| Compatibility Testing | N/A | | |
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| Regression Testing | Yes | | |
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| Upgrade Testing | N/A | | |
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| Backward Compatibility Testing | N/A | | |
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| Functional Testing | | Yes | |
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| Automation Testing | | Yes | |
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| Performance Testing | | N/A | |
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| Security Testing | | N/A | |
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| Usability Testing | | Yes | |
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| Compatibility Testing | | N/A | |
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| Regression Testing | | Yes | |
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| Upgrade Testing | | N/A | |
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| Backward Compatibility Testing | | N/A | |
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| Dependencies | Dependent on deliverables from other components/products? Identify what is tested by which team. | | |
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| Cross Integrations | Does the feature affect other features/require testing by other components? Identify what is tested by which team. | | |
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| Monitoring | Yes | | |
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| Cloud Testing | N/A | | |
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| Monitoring | | Yes | |
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| Cloud Testing | | N/A | |
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#### **4. Test Environment**
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| **OCP & OpenShift Virtualization Version(s)** | OCP 4.21, CNV-4.21 | OCP 4.21 and OpenShift Virtualization 4.21 |
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| **CPU Virtualization** | Multi-arch cluster | 3 amd64 control-plane, 2 amd64 workers, and 2 arm64 workers |
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| **Compute Resources** | N/A | [e.g., Minimum per worker node: 8 vCPUs, 32GB RAM] |
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| **Special Hardware** | N/A | [e.g., Specific NICs for SR-IOV, GPU etc.] |
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| **Special Hardware** | N/A | [e.g., Specific NICs for SR-IOV, GPU etc.] |
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| **Storage** | io2-csi storage class | AWS EBS io2 CSI driver |
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| **Network** | N/A | [e.g., OVN-Kubernetes (default), Secondary Networks, Network Plugins, IPv4, IPv6, dual-stack] |
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| **Required Operators** | N/A | [e.g., NMState Operator] |
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| **Platform** | N/A | [e.g., Bare metal, AWS, Azure, GCP etc.] |
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| **Platform** | AWS | AWS for Arm nodes. |
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| **Special Configurations** | N/A | [e.g., Disconnected/air-gapped cluster, Proxy environment, FIPS mode enabled] |
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#### **4.1. Testing Tools & Frameworks**
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for this feature. **Note:** Only list tools that are **new** or **different** from standard testing infrastructure.
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Leave empty if using standard tools.
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| Category | Tools/Frameworks |
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| :----------------- | :--------------- |
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| **Test Framework** | |
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| **CI/CD** | |
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| **Other Tools** | |
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| Category | Tools/Frameworks |
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| :----------------- | :---------------- |
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| **Test Framework** | MultiArch cluster |
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| **CI/CD** | |
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| **Other Tools** | |
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#### **5. Entry Criteria**
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The following conditions must be met before testing can begin:
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- [ ] Requirements and design documents are **approved and merged**
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- [V] Test environment can be **set up and configured** (see Section II.4 - Test Environment)
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- [ ] Test environment can be **set up and configured** (see Section II.4 - Test Environment)
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- [ ] Multi-CPU architecture support enabled in openshift-virtualization repo
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#### **6. Risks**
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**Note:** Empty "Specific Risk" cells mean this must be filled. "N/A" means explicitly not applicable
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with justification.
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| Risk Category | Specific Risk for This Feature | Mitigation Strategy | Status |
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| :------------------- | :--------------------------------------------------------------------------------- | :--------------------------------------------------------------------------------------------- | :----- |
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| Timeline/Schedule | Code Freeze on Jan 12th | [Your specific mitigation, e.g., "Prioritize P1 scenarios, automate in parallel"] | [ ] |
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| Test Coverage | enable multi-arch cluster support is under WIP | PR https://github.com/RedHatQE/openshift-virtualization-tests/pull/3147 | [ ] |
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| Test Environment | [Describe environment risks, e.g., "Requires GPU hardware, limited availability"] | [Your mitigation, e.g., "Reserve GPU nodes early, schedule tests in advance"] | [ ] |
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| Untestable Aspects | [List what cannot be tested, e.g., "Production scale with 10k VMs"] | [Your mitigation, e.g., "Test at smaller scale, extrapolate results, prod monitoring"] | [ ] |
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| Resource Constraints | [Describe resource issues, e.g., "Only 1 QE assigned, feature spans 3 components"] | [Your mitigation, e.g., "Focus automation on critical paths, coordinate with dev for testing"] | [ ] |
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| Dependencies | [Describe dependency risks, e.g., "Depends on Storage team delivering feature X"] | [Your mitigation, e.g., "Coordinate with Storage QE, have backup test plan"] | [ ] |
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| Other | [Any other specific risks] | [Mitigation strategy] | [ ] |
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| Risk Category | Specific Risk for This Feature | Mitigation Strategy | Status |
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| :------------------- | :------------------------------------------------------------------------------------------------------------------------------------------- | :--------------------------------------------------------------------------------------------- | :----- |
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| Timeline/Schedule | Code Freeze on Jan 12th | [Your specific mitigation, e.g., "Prioritize P1 scenarios, automate in parallel"] | [ ] |
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| Test Coverage | enable multi-arch cluster support is under WIP | PR https://github.com/RedHatQE/openshift-virtualization-tests/pull/3147 | [ ] |
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| Test Environment | For testing Live Migration we need 2 ARM64 nodes and two AMD64 nodes on a cluster current jenkins job deploys cluster with single ARM64 node | https://issues.redhat.com/browse/CNV-73894 | [ ] |
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| Untestable Aspects | [List what cannot be tested, e.g., "Production scale with 10k VMs"] | [Your mitigation, e.g., "Test at smaller scale, extrapolate results, prod monitoring"] | [ ] |
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| Resource Constraints | [Describe resource issues, e.g., "Only 1 QE assigned, feature spans 3 components"] | [Your mitigation, e.g., "Focus automation on critical paths, coordinate with dev for testing"] | [ ] |
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| Dependencies | [Describe dependency risks, e.g., "Depends on Storage team delivering feature X"] | [Your mitigation, e.g., "Coordinate with Storage QE, have backup test plan"] | [ ] |
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| Other | [Any other specific risks] | [Mitigation strategy] | [ ] |
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#### **7. Known Limitations**
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